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diff --git a/devel-docs/libgimpmath/html/api-index-full.html b/devel-docs/libgimpmath/html/api-index-full.html new file mode 100644 index 0000000..882a723 --- /dev/null +++ b/devel-docs/libgimpmath/html/api-index-full.html @@ -0,0 +1,438 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>Index: GIMP Math Library Reference Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="up" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="prev" href="libgimpmath-GimpMD5.html" title="GimpMD5"> +<link rel="next" href="api-index-2-4.html" title="Index of new symbols in GIMP 2.4"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"><span id="nav_index"><a class="shortcut" href="#idxC">C</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxD">D</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxI">I</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxM">M</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxP">P</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxR">R</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxS">S</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxT">T</a> + <span class="dim">|</span> + <a class="shortcut" href="#idxV">V</a></span></td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><img src="up-insensitive.png" width="16" height="16" border="0"></td> +<td><a accesskey="p" href="libgimpmath-GimpMD5.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="api-index-2-4.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="index"> +<div class="titlepage"><div><div><h1 class="title"> +<a name="api-index-full"></a>Index</h1></div></div></div> +<a name="idx"></a><a name="idxC"></a><h3 class="title">C</h3> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#CLAMP0255:CAPS" title="CLAMP0255()">CLAMP0255</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<a name="idxD"></a><h3 class="title">D</h3> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#gimp-deg-to-rad" title="gimp_deg_to_rad()">gimp_deg_to_rad</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<a name="idxI"></a><h3 class="title">I</h3> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-IS-PARAM-SPEC-MATRIX2:CAPS" title="GIMP_IS_PARAM_SPEC_MATRIX2()">GIMP_IS_PARAM_SPEC_MATRIX2</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-IS-PARAM-SPEC-MATRIX3:CAPS" title="GIMP_IS_PARAM_SPEC_MATRIX3()">GIMP_IS_PARAM_SPEC_MATRIX3</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<a name="idxM"></a><h3 class="title">M</h3> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2">GimpMatrix2</a>, struct in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-determinant" title="gimp_matrix2_determinant ()">gimp_matrix2_determinant</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-identity" title="gimp_matrix2_identity ()">gimp_matrix2_identity</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-invert" title="gimp_matrix2_invert ()">gimp_matrix2_invert</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-mult" title="gimp_matrix2_mult ()">gimp_matrix2_mult</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-transform-point" title="gimp_matrix2_transform_point ()">gimp_matrix2_transform_point</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3">GimpMatrix3</a>, struct in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-affine" title="gimp_matrix3_affine ()">gimp_matrix3_affine</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-determinant" title="gimp_matrix3_determinant ()">gimp_matrix3_determinant</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-equal" title="gimp_matrix3_equal ()">gimp_matrix3_equal</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-identity" title="gimp_matrix3_identity ()">gimp_matrix3_identity</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-invert" title="gimp_matrix3_invert ()">gimp_matrix3_invert</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-affine" title="gimp_matrix3_is_affine ()">gimp_matrix3_is_affine</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-diagonal" title="gimp_matrix3_is_diagonal ()">gimp_matrix3_is_diagonal</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-identity" title="gimp_matrix3_is_identity ()">gimp_matrix3_is_identity</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-simple" title="gimp_matrix3_is_simple ()">gimp_matrix3_is_simple</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-mult" title="gimp_matrix3_mult ()">gimp_matrix3_mult</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-rotate" title="gimp_matrix3_rotate ()">gimp_matrix3_rotate</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-scale" title="gimp_matrix3_scale ()">gimp_matrix3_scale</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-transform-point" title="gimp_matrix3_transform_point ()">gimp_matrix3_transform_point</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-translate" title="gimp_matrix3_translate ()">gimp_matrix3_translate</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-xshear" title="gimp_matrix3_xshear ()">gimp_matrix3_xshear</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-yshear" title="gimp_matrix3_yshear ()">gimp_matrix3_yshear</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4">GimpMatrix4</a>, struct in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-identity" title="gimp_matrix4_identity ()">gimp_matrix4_identity</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-mult" title="gimp_matrix4_mult ()">gimp_matrix4_mult</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-to-deg" title="gimp_matrix4_to_deg ()">gimp_matrix4_to_deg</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-transform-point" title="gimp_matrix4_transform_point ()">gimp_matrix4_transform_point</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#MAX255:CAPS" title="MAX255()">MAX255</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMD5.html#gimp-md5-get-digest" title="gimp_md5_get_digest ()">gimp_md5_get_digest</a>, function in <a class="link" href="libgimpmath-GimpMD5.html" title="GimpMD5">GimpMD5</a> +</dt> +<dd></dd> +<a name="idxP"></a><h3 class="title">P</h3> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-param-spec-matrix2" title="gimp_param_spec_matrix2 ()">gimp_param_spec_matrix2</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-param-spec-matrix3" title="gimp_param_spec_matrix3 ()">gimp_param_spec_matrix3</a>, function in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<a name="idxR"></a><h3 class="title">R</h3> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#gimp-rad-to-deg" title="gimp_rad_to_deg()">gimp_rad_to_deg</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#RINT:CAPS" title="RINT()">RINT</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#ROUND:CAPS" title="ROUND()">ROUND</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<a name="idxS"></a><h3 class="title">S</h3> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#SAFE-CLAMP:CAPS" title="SAFE_CLAMP()">SAFE_CLAMP</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#SIGNED-ROUND:CAPS" title="SIGNED_ROUND()">SIGNED_ROUND</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMath.html#SQR:CAPS" title="SQR()">SQR</a>, macro in <a class="link" href="libgimpmath-GimpMath.html" title="GimpMath">GimpMath</a> +</dt> +<dd></dd> +<a name="idxT"></a><h3 class="title">T</h3> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-MATRIX2:CAPS" title="GIMP_TYPE_MATRIX2">GIMP_TYPE_MATRIX2</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-MATRIX3:CAPS" title="GIMP_TYPE_MATRIX3">GIMP_TYPE_MATRIX3</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-PARAM-MATRIX2:CAPS" title="GIMP_TYPE_PARAM_MATRIX2">GIMP_TYPE_PARAM_MATRIX2</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-PARAM-MATRIX3:CAPS" title="GIMP_TYPE_PARAM_MATRIX3">GIMP_TYPE_PARAM_MATRIX3</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<a name="idxV"></a><h3 class="title">V</h3> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-VALUE-HOLDS-MATRIX2:CAPS" title="GIMP_VALUE_HOLDS_MATRIX2()">GIMP_VALUE_HOLDS_MATRIX2</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-VALUE-HOLDS-MATRIX3:CAPS" title="GIMP_VALUE_HOLDS_MATRIX3()">GIMP_VALUE_HOLDS_MATRIX3</a>, macro in <a class="link" href="libgimpmath-GimpMatrix.html" title="GimpMatrix">GimpMatrix</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2">GimpVector2</a>, struct in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add" title="gimp_vector2_add ()">gimp_vector2_add</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add-val" title="gimp_vector2_add_val ()">gimp_vector2_add_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product" title="gimp_vector2_cross_product ()">gimp_vector2_cross_product</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product-val" title="gimp_vector2_cross_product_val ()">gimp_vector2_cross_product_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product" title="gimp_vector2_inner_product ()">gimp_vector2_inner_product</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product-val" title="gimp_vector2_inner_product_val ()">gimp_vector2_inner_product_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length" title="gimp_vector2_length ()">gimp_vector2_length</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length-val" title="gimp_vector2_length_val ()">gimp_vector2_length_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul" title="gimp_vector2_mul ()">gimp_vector2_mul</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul-val" title="gimp_vector2_mul_val ()">gimp_vector2_mul_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg" title="gimp_vector2_neg ()">gimp_vector2_neg</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg-val" title="gimp_vector2_neg_val ()">gimp_vector2_neg_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-new" title="gimp_vector2_new ()">gimp_vector2_new</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normal" title="gimp_vector2_normal ()">gimp_vector2_normal</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize" title="gimp_vector2_normalize ()">gimp_vector2_normalize</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize-val" title="gimp_vector2_normalize_val ()">gimp_vector2_normalize_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normal-val" title="gimp_vector2_normal_val ()">gimp_vector2_normal_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate" title="gimp_vector2_rotate ()">gimp_vector2_rotate</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate-val" title="gimp_vector2_rotate_val ()">gimp_vector2_rotate_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-set" title="gimp_vector2_set ()">gimp_vector2_set</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub" title="gimp_vector2_sub ()">gimp_vector2_sub</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub-val" title="gimp_vector2_sub_val ()">gimp_vector2_sub_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3">GimpVector3</a>, struct in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add" title="gimp_vector3_add ()">gimp_vector3_add</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add-val" title="gimp_vector3_add_val ()">gimp_vector3_add_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product" title="gimp_vector3_cross_product ()">gimp_vector3_cross_product</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product-val" title="gimp_vector3_cross_product_val ()">gimp_vector3_cross_product_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product" title="gimp_vector3_inner_product ()">gimp_vector3_inner_product</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product-val" title="gimp_vector3_inner_product_val ()">gimp_vector3_inner_product_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length" title="gimp_vector3_length ()">gimp_vector3_length</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length-val" title="gimp_vector3_length_val ()">gimp_vector3_length_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul" title="gimp_vector3_mul ()">gimp_vector3_mul</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul-val" title="gimp_vector3_mul_val ()">gimp_vector3_mul_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg" title="gimp_vector3_neg ()">gimp_vector3_neg</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg-val" title="gimp_vector3_neg_val ()">gimp_vector3_neg_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-new" title="gimp_vector3_new ()">gimp_vector3_new</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize" title="gimp_vector3_normalize ()">gimp_vector3_normalize</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize-val" title="gimp_vector3_normalize_val ()">gimp_vector3_normalize_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate" title="gimp_vector3_rotate ()">gimp_vector3_rotate</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate-val" title="gimp_vector3_rotate_val ()">gimp_vector3_rotate_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-set" title="gimp_vector3_set ()">gimp_vector3_set</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub" title="gimp_vector3_sub ()">gimp_vector3_sub</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub-val" title="gimp_vector3_sub_val ()">gimp_vector3_sub_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector4" title="struct GimpVector4">GimpVector4</a>, struct in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()">gimp_vector_2d_to_3d</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d-val" title="gimp_vector_2d_to_3d_val ()">gimp_vector_2d_to_3d_val</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +<dt> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-3d-to-2d" title="gimp_vector_3d_to_2d ()">gimp_vector_3d_to_2d</a>, function in <a class="link" href="libgimpmath-GimpVector.html" title="GimpVector">GimpVector</a> +</dt> +<dd></dd> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
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GIMP Math Library"> +<link rel="prev" href="libgimpmath-GimpVector.html" title="GimpVector"> +<link rel="next" href="api-index-full.html" title="Index"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"> +<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> + <a href="#libgimpmath-GimpMD5.description" class="shortcut">Description</a></span> +</td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><a accesskey="u" href="pt01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="libgimpmath-GimpVector.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="api-index-full.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="refentry"> +<a name="libgimpmath-GimpMD5"></a><div class="titlepage"></div> +<div class="refnamediv"><table width="100%"><tr> +<td valign="top"> +<h2><span class="refentrytitle"><a name="libgimpmath-GimpMD5.top_of_page"></a>GimpMD5</span></h2> +<p>GimpMD5 — The MD5 message-digest algorithm</p> +</td> +<td class="gallery_image" valign="top" align="right"></td> +</tr></table></div> +<div class="refsect1"> +<a name="libgimpmath-GimpMD5.functions"></a><h2>Functions</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="functions_proto_type"> +<col class="functions_proto_name"> +</colgroup> +<tbody><tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMD5.html#gimp-md5-get-digest" title="gimp_md5_get_digest ()">gimp_md5_get_digest</a> <span class="c_punctuation">()</span> +</td> +</tr></tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMD5.description"></a><h2>Description</h2> +<p>The MD5 message-digest algorithm</p> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMD5.functions_details"></a><h2>Functions</h2> +<div class="refsect2"> +<a name="gimp-md5-get-digest"></a><h3>gimp_md5_get_digest ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_md5_get_digest (<em class="parameter"><code>const <span class="type">gchar</span> *buffer</code></em>, + <em class="parameter"><code><span class="type">gint</span> buffer_size</code></em>, + <em class="parameter"><code><span class="type">guchar</span> digest[16]</code></em>);</pre> +<div class="warning"><p><code class="literal">gimp_md5_get_digest</code> is deprecated and should not be used in newly-written code.</p></div> +<p>This function is deprecated! Use <code class="literal">GChecksum</code> from GLib instead.</p> +<p>Get the md5 hash of a buffer. The result is put in the 16 bytes +buffer <em class="parameter"><code>digest</code></em> +. For more information see RFC 1321.</p> +<div class="refsect3"> +<a name="gimp-md5-get-digest.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>buffer</p></td> +<td class="parameter_description"><p>byte buffer</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>buffer_size</p></td> +<td class="parameter_description"><p>buffer size (in bytes) or -1 if <em class="parameter"><code>buffer</code></em> +is nul-terminated.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>digest</p></td> +<td class="parameter_description"><p>16 bytes buffer receiving the hash code.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +</div> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
\ No newline at end of file diff --git a/devel-docs/libgimpmath/html/libgimpmath-GimpMath.html b/devel-docs/libgimpmath/html/libgimpmath-GimpMath.html new file mode 100644 index 0000000..9dfde99 --- /dev/null +++ b/devel-docs/libgimpmath/html/libgimpmath-GimpMath.html @@ -0,0 +1,340 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>GimpMath: GIMP Math Library Reference Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="up" href="pt01.html" title="Part I. GIMP Math Library"> +<link rel="prev" href="pt01.html" title="Part I. GIMP Math Library"> +<link rel="next" href="libgimpmath-GimpMatrix.html" title="GimpMatrix"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"> +<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> + <a href="#libgimpmath-GimpMath.description" class="shortcut">Description</a></span> +</td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><a accesskey="u" href="pt01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="pt01.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="libgimpmath-GimpMatrix.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="refentry"> +<a name="libgimpmath-GimpMath"></a><div class="titlepage"></div> +<div class="refnamediv"><table width="100%"><tr> +<td valign="top"> +<h2><span class="refentrytitle"><a name="libgimpmath-GimpMath.top_of_page"></a>GimpMath</span></h2> +<p>GimpMath — Mathematical definitions and macros.</p> +</td> +<td class="gallery_image" valign="top" align="right"></td> +</tr></table></div> +<div class="refsect1"> +<a name="libgimpmath-GimpMath.functions"></a><h2>Functions</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="functions_proto_type"> +<col class="functions_proto_name"> +</colgroup> +<tbody> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#RINT:CAPS" title="RINT()">RINT</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#ROUND:CAPS" title="ROUND()">ROUND</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#SIGNED-ROUND:CAPS" title="SIGNED_ROUND()">SIGNED_ROUND</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#SQR:CAPS" title="SQR()">SQR</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#MAX255:CAPS" title="MAX255()">MAX255</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#CLAMP0255:CAPS" title="CLAMP0255()">CLAMP0255</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#SAFE-CLAMP:CAPS" title="SAFE_CLAMP()">SAFE_CLAMP</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#gimp-deg-to-rad" title="gimp_deg_to_rad()">gimp_deg_to_rad</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMath.html#gimp-rad-to-deg" title="gimp_rad_to_deg()">gimp_rad_to_deg</a><span class="c_punctuation">()</span> +</td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMath.description"></a><h2>Description</h2> +<p>Mathematical definitions and macros for use both by the GIMP +application and plug-ins. These macros should be used rather than +the ones from <math.h> for enhanced portability.</p> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMath.functions_details"></a><h2>Functions</h2> +<div class="refsect2"> +<a name="RINT:CAPS"></a><h3>RINT()</h3> +<pre class="programlisting">#define RINT(x) rint(x) +</pre> +<p>This macro rounds its argument <em class="parameter"><code>x</code></em> + to an integer value in floating +point format. Use <a class="link" href="libgimpmath-GimpMath.html#RINT:CAPS" title="RINT()"><code class="function">RINT()</code></a> instead of <code class="function">rint()</code>.</p> +<div class="refsect3"> +<a name="RINT.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the value to be rounded</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="ROUND:CAPS"></a><h3>ROUND()</h3> +<pre class="programlisting">#define ROUND(x) ((int) ((x) + 0.5)) +</pre> +<p>This macro rounds its positive argument <em class="parameter"><code>x</code></em> + to the nearest integer.</p> +<div class="refsect3"> +<a name="ROUND.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the value to be rounded.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="SIGNED-ROUND:CAPS"></a><h3>SIGNED_ROUND()</h3> +<pre class="programlisting">#define SIGNED_ROUND(x) ((int) RINT (x)) +</pre> +<p>This macro rounds its argument <em class="parameter"><code>x</code></em> + to the nearest integer.</p> +<div class="refsect3"> +<a name="SIGNED-ROUND.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the value to be rounded.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="SQR:CAPS"></a><h3>SQR()</h3> +<pre class="programlisting">#define SQR(x) ((x) * (x)) +</pre> +<p>This macro squares its argument <em class="parameter"><code>x</code></em> +.</p> +<div class="refsect3"> +<a name="SQR.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the value to be squared.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="MAX255:CAPS"></a><h3>MAX255()</h3> +<pre class="programlisting">#define MAX255(a) ((a) | (((a) & 256) - (((a) & 256) >> 8))) +</pre> +<p>This macro limits it argument <em class="parameter"><code>a</code></em> +, an (0-511) int, to 255.</p> +<div class="refsect3"> +<a name="MAX255.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>a</p></td> +<td class="parameter_description"><p>the value to be limited.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="CLAMP0255:CAPS"></a><h3>CLAMP0255()</h3> +<pre class="programlisting">#define CLAMP0255(a) CLAMP(a,0,255) +</pre> +<p>This macro clamps its argument <em class="parameter"><code>a</code></em> +, an int32-range int, between 0 +and 255 inclusive.</p> +<div class="refsect3"> +<a name="CLAMP0255.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>a</p></td> +<td class="parameter_description"><p>the value to be clamped.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="SAFE-CLAMP:CAPS"></a><h3>SAFE_CLAMP()</h3> +<pre class="programlisting">#define SAFE_CLAMP(x, low, high) ((x) > (low) ? (x) < (high) ? (x) : (high) : (low)) +</pre> +<p>Ensures that <em class="parameter"><code>x</code></em> + is between the limits set by <em class="parameter"><code>low</code></em> + and <em class="parameter"><code>high</code></em> +, +even if <em class="parameter"><code>x</code></em> + is NaN. If <em class="parameter"><code>low</code></em> + is greater than <em class="parameter"><code>high</code></em> +, or if either +of them is NaN, the result is undefined.</p> +<div class="refsect3"> +<a name="SAFE-CLAMP.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the value to be limited.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>low</p></td> +<td class="parameter_description"><p>the lower limit.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>high</p></td> +<td class="parameter_description"><p>the upper limit.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-deg-to-rad"></a><h3>gimp_deg_to_rad()</h3> +<pre class="programlisting">#define gimp_deg_to_rad(angle) ((angle) * (2.0 * G_PI) / 360.0) +</pre> +<p>This macro converts its argument <em class="parameter"><code>angle</code></em> + from degree to radian.</p> +<div class="refsect3"> +<a name="gimp-deg-to-rad.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>angle</p></td> +<td class="parameter_description"><p>the angle to be converted.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-rad-to-deg"></a><h3>gimp_rad_to_deg()</h3> +<pre class="programlisting">#define gimp_rad_to_deg(angle) ((angle) * 360.0 / (2.0 * G_PI)) +</pre> +<p>This macro converts its argument <em class="parameter"><code>angle</code></em> + from radian to degree.</p> +<div class="refsect3"> +<a name="gimp-rad-to-deg.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>angle</p></td> +<td class="parameter_description"><p>the angle to be converted.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +</div> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
\ No newline at end of file diff --git a/devel-docs/libgimpmath/html/libgimpmath-GimpMatrix.html b/devel-docs/libgimpmath/html/libgimpmath-GimpMatrix.html new file mode 100644 index 0000000..f8dd89b --- /dev/null +++ b/devel-docs/libgimpmath/html/libgimpmath-GimpMatrix.html @@ -0,0 +1,1373 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>GimpMatrix: GIMP Math Library Reference Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="up" href="pt01.html" title="Part I. GIMP Math Library"> +<link rel="prev" href="libgimpmath-GimpMath.html" title="GimpMath"> +<link rel="next" href="libgimpmath-GimpVector.html" title="GimpVector"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"> +<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> + <a href="#libgimpmath-GimpMatrix.description" class="shortcut">Description</a></span> +</td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><a accesskey="u" href="pt01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="libgimpmath-GimpMath.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="libgimpmath-GimpVector.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="refentry"> +<a name="libgimpmath-GimpMatrix"></a><div class="titlepage"></div> +<div class="refnamediv"><table width="100%"><tr> +<td valign="top"> +<h2><span class="refentrytitle"><a name="libgimpmath-GimpMatrix.top_of_page"></a>GimpMatrix</span></h2> +<p>GimpMatrix — Utilities to set up and manipulate 3x3 +transformation matrices.</p> +</td> +<td class="gallery_image" valign="top" align="right"></td> +</tr></table></div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.functions"></a><h2>Functions</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="functions_proto_type"> +<col class="functions_proto_name"> +</colgroup> +<tbody> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-identity" title="gimp_matrix2_identity ()">gimp_matrix2_identity</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-mult" title="gimp_matrix2_mult ()">gimp_matrix2_mult</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-determinant" title="gimp_matrix2_determinant ()">gimp_matrix2_determinant</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-invert" title="gimp_matrix2_invert ()">gimp_matrix2_invert</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix2-transform-point" title="gimp_matrix2_transform_point ()">gimp_matrix2_transform_point</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-identity" title="gimp_matrix3_identity ()">gimp_matrix3_identity</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-mult" title="gimp_matrix3_mult ()">gimp_matrix3_mult</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-translate" title="gimp_matrix3_translate ()">gimp_matrix3_translate</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-scale" title="gimp_matrix3_scale ()">gimp_matrix3_scale</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-rotate" title="gimp_matrix3_rotate ()">gimp_matrix3_rotate</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-xshear" title="gimp_matrix3_xshear ()">gimp_matrix3_xshear</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-yshear" title="gimp_matrix3_yshear ()">gimp_matrix3_yshear</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-affine" title="gimp_matrix3_affine ()">gimp_matrix3_affine</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-transform-point" title="gimp_matrix3_transform_point ()">gimp_matrix3_transform_point</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-determinant" title="gimp_matrix3_determinant ()">gimp_matrix3_determinant</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-invert" title="gimp_matrix3_invert ()">gimp_matrix3_invert</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gboolean</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-identity" title="gimp_matrix3_is_identity ()">gimp_matrix3_is_identity</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gboolean</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-diagonal" title="gimp_matrix3_is_diagonal ()">gimp_matrix3_is_diagonal</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gboolean</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-affine" title="gimp_matrix3_is_affine ()">gimp_matrix3_is_affine</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gboolean</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-is-simple" title="gimp_matrix3_is_simple ()">gimp_matrix3_is_simple</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gboolean</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix3-equal" title="gimp_matrix3_equal ()">gimp_matrix3_equal</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-identity" title="gimp_matrix4_identity ()">gimp_matrix4_identity</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-mult" title="gimp_matrix4_mult ()">gimp_matrix4_mult</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-to-deg" title="gimp_matrix4_to_deg ()">gimp_matrix4_to_deg</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-matrix4-transform-point" title="gimp_matrix4_transform_point ()">gimp_matrix4_transform_point</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-IS-PARAM-SPEC-MATRIX2:CAPS" title="GIMP_IS_PARAM_SPEC_MATRIX2()">GIMP_IS_PARAM_SPEC_MATRIX2</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">GParamSpec</span> * +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-param-spec-matrix2" title="gimp_param_spec_matrix2 ()">gimp_param_spec_matrix2</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-VALUE-HOLDS-MATRIX2:CAPS" title="GIMP_VALUE_HOLDS_MATRIX2()">GIMP_VALUE_HOLDS_MATRIX2</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-IS-PARAM-SPEC-MATRIX3:CAPS" title="GIMP_IS_PARAM_SPEC_MATRIX3()">GIMP_IS_PARAM_SPEC_MATRIX3</a><span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">GParamSpec</span> * +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#gimp-param-spec-matrix3" title="gimp_param_spec_matrix3 ()">gimp_param_spec_matrix3</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpMatrix.html#GIMP-VALUE-HOLDS-MATRIX3:CAPS" title="GIMP_VALUE_HOLDS_MATRIX3()">GIMP_VALUE_HOLDS_MATRIX3</a><span class="c_punctuation">()</span> +</td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.other"></a><h2>Types and Values</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="other_proto_type"> +<col class="other_proto_name"> +</colgroup> +<tbody> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2">GimpMatrix2</a></td> +</tr> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3">GimpMatrix3</a></td> +</tr> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4">GimpMatrix4</a></td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-MATRIX2:CAPS" title="GIMP_TYPE_MATRIX2">GIMP_TYPE_MATRIX2</a></td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-PARAM-MATRIX2:CAPS" title="GIMP_TYPE_PARAM_MATRIX2">GIMP_TYPE_PARAM_MATRIX2</a></td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-MATRIX3:CAPS" title="GIMP_TYPE_MATRIX3">GIMP_TYPE_MATRIX3</a></td> +</tr> +<tr> +<td class="define_keyword">#define</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpMatrix.html#GIMP-TYPE-PARAM-MATRIX3:CAPS" title="GIMP_TYPE_PARAM_MATRIX3">GIMP_TYPE_PARAM_MATRIX3</a></td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.description"></a><h2>Description</h2> +<p>When doing image manipulation you will often need 3x3 +transformation matrices that define translation, rotation, scaling, +shearing and arbitrary perspective transformations using a 3x3 +matrix. Here you'll find a set of utility functions to set up those +matrices and to perform basic matrix manipulations and tests.</p> +<p>Each matrix class has a 2 dimensional gdouble coeff member. The +element for row r and column c of the matrix is coeffr.</p> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.functions_details"></a><h2>Functions</h2> +<div class="refsect2"> +<a name="gimp-matrix2-identity"></a><h3>gimp_matrix2_identity ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix2_identity (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix</code></em>);</pre> +<p>Sets the matrix to the identity matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix2-identity.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>A matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix2-mult"></a><h3>gimp_matrix2_mult ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix2_mult (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix2</code></em>);</pre> +<p>Multiplies two matrices and puts the result into the second one.</p> +<div class="refsect3"> +<a name="gimp-matrix2-mult.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix1</p></td> +<td class="parameter_description"><p>The first input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>matrix2</p></td> +<td class="parameter_description"><p>The second input matrix which will be overwritten by the result.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix2-determinant"></a><h3>gimp_matrix2_determinant ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_matrix2_determinant (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix</code></em>);</pre> +<p>Calculates the determinant of the given matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix2-determinant.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix2-determinant.returns"></a><h4>Returns</h4> +<p> The determinant.</p> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix2-invert"></a><h3>gimp_matrix2_invert ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix2_invert (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix</code></em>);</pre> +<p>Inverts the given matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix2-invert.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be inverted.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix2-transform-point"></a><h3>gimp_matrix2_transform_point ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix2_transform_point (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newx</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newy</code></em>);</pre> +<p>Transforms a point in 2D as specified by the transformation matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix2-transform-point.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The transformation matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>The source X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>The source Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newx</p></td> +<td class="parameter_description"><p>The transformed X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newy</p></td> +<td class="parameter_description"><p>The transformed Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-identity"></a><h3>gimp_matrix3_identity ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_identity (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Sets the matrix to the identity matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix3-identity.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>A matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-mult"></a><h3>gimp_matrix3_mult ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_mult (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix2</code></em>);</pre> +<p>Multiplies two matrices and puts the result into the second one.</p> +<div class="refsect3"> +<a name="gimp-matrix3-mult.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix1</p></td> +<td class="parameter_description"><p>The first input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>matrix2</p></td> +<td class="parameter_description"><p>The second input matrix which will be overwritten by the result.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-translate"></a><h3>gimp_matrix3_translate ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_translate (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>);</pre> +<p>Translates the matrix by x and y.</p> +<div class="refsect3"> +<a name="gimp-matrix3-translate.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be translated.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>Translation in X direction.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>Translation in Y direction.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-scale"></a><h3>gimp_matrix3_scale ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_scale (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>);</pre> +<p>Scales the matrix by x and y</p> +<div class="refsect3"> +<a name="gimp-matrix3-scale.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be scaled.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>X scale factor.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>Y scale factor.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-rotate"></a><h3>gimp_matrix3_rotate ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_rotate (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> theta</code></em>);</pre> +<p>Rotates the matrix by theta degrees.</p> +<div class="refsect3"> +<a name="gimp-matrix3-rotate.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be rotated.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>theta</p></td> +<td class="parameter_description"><p>The angle of rotation (in radians).</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-xshear"></a><h3>gimp_matrix3_xshear ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_xshear (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> amount</code></em>);</pre> +<p>Shears the matrix in the X direction.</p> +<div class="refsect3"> +<a name="gimp-matrix3-xshear.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be sheared.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>amount</p></td> +<td class="parameter_description"><p>X shear amount.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-yshear"></a><h3>gimp_matrix3_yshear ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_yshear (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> amount</code></em>);</pre> +<p>Shears the matrix in the Y direction.</p> +<div class="refsect3"> +<a name="gimp-matrix3-yshear.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be sheared.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>amount</p></td> +<td class="parameter_description"><p>Y shear amount.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-affine"></a><h3>gimp_matrix3_affine ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_affine (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> a</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> b</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> c</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> d</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> e</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> f</code></em>);</pre> +<p>Applies the affine transformation given by six values to <em class="parameter"><code>matrix</code></em> +. +The six values form define an affine transformation matrix as +illustrated below:</p> +<p> ( a c e ) + ( b d f ) + ( 0 0 1 )</p> +<div class="refsect3"> +<a name="gimp-matrix3-affine.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>a</p></td> +<td class="parameter_description"><p>the 'a' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>b</p></td> +<td class="parameter_description"><p>the 'b' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>c</p></td> +<td class="parameter_description"><p>the 'c' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>d</p></td> +<td class="parameter_description"><p>the 'd' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>e</p></td> +<td class="parameter_description"><p>the 'e' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>f</p></td> +<td class="parameter_description"><p>the 'f' coefficient</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-transform-point"></a><h3>gimp_matrix3_transform_point ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_transform_point (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newx</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newy</code></em>);</pre> +<p>Transforms a point in 2D as specified by the transformation matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix3-transform-point.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The transformation matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>The source X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>The source Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newx</p></td> +<td class="parameter_description"><p>The transformed X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newy</p></td> +<td class="parameter_description"><p>The transformed Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-determinant"></a><h3>gimp_matrix3_determinant ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_matrix3_determinant (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Calculates the determinant of the given matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix3-determinant.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-determinant.returns"></a><h4>Returns</h4> +<p> The determinant.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-invert"></a><h3>gimp_matrix3_invert ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix3_invert (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Inverts the given matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix3-invert.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be inverted.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-is-identity"></a><h3>gimp_matrix3_is_identity ()</h3> +<pre class="programlisting"><span class="returnvalue">gboolean</span> +gimp_matrix3_is_identity (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Checks if the given matrix is the identity matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix3-is-identity.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be tested.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-is-identity.returns"></a><h4>Returns</h4> +<p> <code class="literal">TRUE</code> if the matrix is the identity matrix, <code class="literal">FALSE</code> otherwise</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-is-diagonal"></a><h3>gimp_matrix3_is_diagonal ()</h3> +<pre class="programlisting"><span class="returnvalue">gboolean</span> +gimp_matrix3_is_diagonal (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Checks if the given matrix is diagonal.</p> +<div class="refsect3"> +<a name="gimp-matrix3-is-diagonal.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be tested.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-is-diagonal.returns"></a><h4>Returns</h4> +<p> <code class="literal">TRUE</code> if the matrix is diagonal, <code class="literal">FALSE</code> otherwise</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-is-affine"></a><h3>gimp_matrix3_is_affine ()</h3> +<pre class="programlisting"><span class="returnvalue">gboolean</span> +gimp_matrix3_is_affine (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Checks if the given matrix defines an affine transformation.</p> +<div class="refsect3"> +<a name="gimp-matrix3-is-affine.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be tested.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-is-affine.returns"></a><h4>Returns</h4> +<p> <code class="literal">TRUE</code> if the matrix defines an affine transformation, +<code class="literal">FALSE</code> otherwise</p> +</div> +<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-is-simple"></a><h3>gimp_matrix3_is_simple ()</h3> +<pre class="programlisting"><span class="returnvalue">gboolean</span> +gimp_matrix3_is_simple (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix</code></em>);</pre> +<p>Checks if we'll need to interpolate when applying this matrix as +a transformation.</p> +<div class="refsect3"> +<a name="gimp-matrix3-is-simple.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The matrix that is to be tested.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-is-simple.returns"></a><h4>Returns</h4> +<p> <code class="literal">TRUE</code> if all entries of the upper left 2x2 matrix are +either 0 or 1, <code class="literal">FALSE</code> otherwise</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix3-equal"></a><h3>gimp_matrix3_equal ()</h3> +<pre class="programlisting"><span class="returnvalue">gboolean</span> +gimp_matrix3_equal (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *matrix2</code></em>);</pre> +<p>Checks if two matrices are equal.</p> +<div class="refsect3"> +<a name="gimp-matrix3-equal.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix1</p></td> +<td class="parameter_description"><p>The first matrix</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>matrix2</p></td> +<td class="parameter_description"><p>The second matrix</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix3-equal.returns"></a><h4>Returns</h4> +<p> <code class="literal">TRUE</code> the matrices are equal, <code class="literal">FALSE</code> otherwise</p> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix4-identity"></a><h3>gimp_matrix4_identity ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix4_identity (<em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a> *matrix</code></em>);</pre> +<p>Sets the matrix to the identity matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix4-identity.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>A matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix4-mult"></a><h3>gimp_matrix4_mult ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix4_mult (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a> *matrix1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a> *matrix2</code></em>);</pre> +<p>Multiplies two matrices and puts the result into the second one.</p> +<div class="refsect3"> +<a name="gimp-matrix4-mult.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix1</p></td> +<td class="parameter_description"><p>The first input matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>matrix2</p></td> +<td class="parameter_description"><p>The second input matrix which will be overwritten by the result.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix4-to-deg"></a><h3>gimp_matrix4_to_deg ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_matrix4_to_deg (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *a</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *b</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *c</code></em>);</pre> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-matrix4-transform-point"></a><h3>gimp_matrix4_transform_point ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_matrix4_transform_point (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a> *matrix</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> z</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newx</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newy</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *newz</code></em>);</pre> +<p>Transforms a point in 3D as specified by the transformation matrix.</p> +<div class="refsect3"> +<a name="gimp-matrix4-transform-point.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>matrix</p></td> +<td class="parameter_description"><p>The transformation matrix.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>The source X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>The source Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>z</p></td> +<td class="parameter_description"><p>The source Z coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newx</p></td> +<td class="parameter_description"><p>The transformed X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newy</p></td> +<td class="parameter_description"><p>The transformed Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>newz</p></td> +<td class="parameter_description"><p>The transformed Z coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-matrix4-transform-point.returns"></a><h4>Returns</h4> +<p> The transformed W coordinate.</p> +</div> +<p class="since">Since: 2.10.16</p> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-IS-PARAM-SPEC-MATRIX2:CAPS"></a><h3>GIMP_IS_PARAM_SPEC_MATRIX2()</h3> +<pre class="programlisting">#define GIMP_IS_PARAM_SPEC_MATRIX2(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_MATRIX2)) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-param-spec-matrix2"></a><h3>gimp_param_spec_matrix2 ()</h3> +<pre class="programlisting"><span class="returnvalue">GParamSpec</span> * +gimp_param_spec_matrix2 (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>, + <em class="parameter"><code>const <span class="type">gchar</span> *nick</code></em>, + <em class="parameter"><code>const <span class="type">gchar</span> *blurb</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> *default_value</code></em>, + <em class="parameter"><code><span class="type">GParamFlags</span> flags</code></em>);</pre> +<p>Creates a param spec to hold a <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a> value. +See <code class="function">g_param_spec_internal()</code> for more information.</p> +<div class="refsect3"> +<a name="gimp-param-spec-matrix2.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>name</p></td> +<td class="parameter_description"><p>Canonical name of the param</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>nick</p></td> +<td class="parameter_description"><p>Nickname of the param</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>blurb</p></td> +<td class="parameter_description"><p>Brief description of param.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>default_value</p></td> +<td class="parameter_description"><p>Value to use if none is assigned.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>flags</p></td> +<td class="parameter_description"><p>a combination of <span class="type">GParamFlags</span></p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-param-spec-matrix2.returns"></a><h4>Returns</h4> +<p> a newly allocated <span class="type">GParamSpec</span> instance</p> +</div> +<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-VALUE-HOLDS-MATRIX2:CAPS"></a><h3>GIMP_VALUE_HOLDS_MATRIX2()</h3> +<pre class="programlisting">#define GIMP_VALUE_HOLDS_MATRIX2(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_MATRIX2)) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-IS-PARAM-SPEC-MATRIX3:CAPS"></a><h3>GIMP_IS_PARAM_SPEC_MATRIX3()</h3> +<pre class="programlisting">#define GIMP_IS_PARAM_SPEC_MATRIX3(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_MATRIX3)) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-param-spec-matrix3"></a><h3>gimp_param_spec_matrix3 ()</h3> +<pre class="programlisting"><span class="returnvalue">GParamSpec</span> * +gimp_param_spec_matrix3 (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>, + <em class="parameter"><code>const <span class="type">gchar</span> *nick</code></em>, + <em class="parameter"><code>const <span class="type">gchar</span> *blurb</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> *default_value</code></em>, + <em class="parameter"><code><span class="type">GParamFlags</span> flags</code></em>);</pre> +<p>Creates a param spec to hold a <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a> value. +See <code class="function">g_param_spec_internal()</code> for more information.</p> +<div class="refsect3"> +<a name="gimp-param-spec-matrix3.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>name</p></td> +<td class="parameter_description"><p>Canonical name of the param</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>nick</p></td> +<td class="parameter_description"><p>Nickname of the param</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>blurb</p></td> +<td class="parameter_description"><p>Brief description of param.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>default_value</p></td> +<td class="parameter_description"><p>Value to use if none is assigned.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>flags</p></td> +<td class="parameter_description"><p>a combination of <span class="type">GParamFlags</span></p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-param-spec-matrix3.returns"></a><h4>Returns</h4> +<p> a newly allocated <span class="type">GParamSpec</span> instance</p> +</div> +<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-VALUE-HOLDS-MATRIX3:CAPS"></a><h3>GIMP_VALUE_HOLDS_MATRIX3()</h3> +<pre class="programlisting">#define GIMP_VALUE_HOLDS_MATRIX3(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_MATRIX3)) +</pre> +</div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.other_details"></a><h2>Types and Values</h2> +<div class="refsect2"> +<a name="GimpMatrix2"></a><h3>struct GimpMatrix2</h3> +<pre class="programlisting">struct GimpMatrix2 { + gdouble coeff[2][2]; +}; +</pre> +<p>A two by two matrix.</p> +<div class="refsect3"> +<a name="GimpMatrix2.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody><tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpMatrix2.coeff"></a>coeff</code></em>[2][2];</p></td> +<td class="struct_member_description"><p>the coefficients</p></td> +<td class="struct_member_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="GimpMatrix3"></a><h3>struct GimpMatrix3</h3> +<pre class="programlisting">struct GimpMatrix3 { + gdouble coeff[3][3]; +}; +</pre> +<p>A three by three matrix.</p> +<div class="refsect3"> +<a name="GimpMatrix3.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody><tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpMatrix3.coeff"></a>coeff</code></em>[3][3];</p></td> +<td class="struct_member_description"><p>the coefficients</p></td> +<td class="struct_member_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="GimpMatrix4"></a><h3>struct GimpMatrix4</h3> +<pre class="programlisting">struct GimpMatrix4 { + gdouble coeff[4][4]; +}; +</pre> +<p>A four by four matrix.</p> +<div class="refsect3"> +<a name="GimpMatrix4.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody><tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpMatrix4.coeff"></a>coeff</code></em>[4][4];</p></td> +<td class="struct_member_description"><p>the coefficients</p></td> +<td class="struct_member_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-TYPE-MATRIX2:CAPS"></a><h3>GIMP_TYPE_MATRIX2</h3> +<pre class="programlisting">#define GIMP_TYPE_MATRIX2 (gimp_matrix2_get_type ()) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-TYPE-PARAM-MATRIX2:CAPS"></a><h3>GIMP_TYPE_PARAM_MATRIX2</h3> +<pre class="programlisting">#define GIMP_TYPE_PARAM_MATRIX2 (gimp_param_matrix2_get_type ()) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-TYPE-MATRIX3:CAPS"></a><h3>GIMP_TYPE_MATRIX3</h3> +<pre class="programlisting">#define GIMP_TYPE_MATRIX3 (gimp_matrix3_get_type ()) +</pre> +</div> +<hr> +<div class="refsect2"> +<a name="GIMP-TYPE-PARAM-MATRIX3:CAPS"></a><h3>GIMP_TYPE_PARAM_MATRIX3</h3> +<pre class="programlisting">#define GIMP_TYPE_PARAM_MATRIX3 (gimp_param_matrix3_get_type ()) +</pre> +</div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpMatrix.see-also"></a><h2>See Also</h2> +<p><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>, <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>, <a class="link" href="libgimpmath-GimpVector.html#GimpVector4" title="struct GimpVector4"><span class="type">GimpVector4</span></a></p> +</div> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
\ No newline at end of file diff --git a/devel-docs/libgimpmath/html/libgimpmath-GimpVector.html b/devel-docs/libgimpmath/html/libgimpmath-GimpVector.html new file mode 100644 index 0000000..5e08d9a --- /dev/null +++ b/devel-docs/libgimpmath/html/libgimpmath-GimpVector.html @@ -0,0 +1,2219 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>GimpVector: GIMP Math Library Reference Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="up" href="pt01.html" title="Part I. GIMP Math Library"> +<link rel="prev" href="libgimpmath-GimpMatrix.html" title="GimpMatrix"> +<link rel="next" href="libgimpmath-GimpMD5.html" title="GimpMD5"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"> +<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> + <a href="#libgimpmath-GimpVector.description" class="shortcut">Description</a></span> +</td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><a accesskey="u" href="pt01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="libgimpmath-GimpMatrix.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="libgimpmath-GimpMD5.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="refentry"> +<a name="libgimpmath-GimpVector"></a><div class="titlepage"></div> +<div class="refnamediv"><table width="100%"><tr> +<td valign="top"> +<h2><span class="refentrytitle"><a name="libgimpmath-GimpVector.top_of_page"></a>GimpVector</span></h2> +<p>GimpVector — Utilities to set up and manipulate vectors.</p> +</td> +<td class="gallery_image" valign="top" align="right"></td> +</tr></table></div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.functions"></a><h2>Functions</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="functions_proto_type"> +<col class="functions_proto_name"> +</colgroup> +<tbody> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-new" title="gimp_vector2_new ()">gimp_vector2_new</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-set" title="gimp_vector2_set ()">gimp_vector2_set</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length" title="gimp_vector2_length ()">gimp_vector2_length</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length-val" title="gimp_vector2_length_val ()">gimp_vector2_length_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul" title="gimp_vector2_mul ()">gimp_vector2_mul</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul-val" title="gimp_vector2_mul_val ()">gimp_vector2_mul_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normal" title="gimp_vector2_normal ()">gimp_vector2_normal</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normal-val" title="gimp_vector2_normal_val ()">gimp_vector2_normal_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize" title="gimp_vector2_normalize ()">gimp_vector2_normalize</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize-val" title="gimp_vector2_normalize_val ()">gimp_vector2_normalize_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg" title="gimp_vector2_neg ()">gimp_vector2_neg</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg-val" title="gimp_vector2_neg_val ()">gimp_vector2_neg_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add" title="gimp_vector2_add ()">gimp_vector2_add</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add-val" title="gimp_vector2_add_val ()">gimp_vector2_add_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub" title="gimp_vector2_sub ()">gimp_vector2_sub</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub-val" title="gimp_vector2_sub_val ()">gimp_vector2_sub_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product" title="gimp_vector2_inner_product ()">gimp_vector2_inner_product</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product-val" title="gimp_vector2_inner_product_val ()">gimp_vector2_inner_product_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product" title="gimp_vector2_cross_product ()">gimp_vector2_cross_product</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product-val" title="gimp_vector2_cross_product_val ()">gimp_vector2_cross_product_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate" title="gimp_vector2_rotate ()">gimp_vector2_rotate</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate-val" title="gimp_vector2_rotate_val ()">gimp_vector2_rotate_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-new" title="gimp_vector3_new ()">gimp_vector3_new</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-set" title="gimp_vector3_set ()">gimp_vector3_set</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length" title="gimp_vector3_length ()">gimp_vector3_length</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length-val" title="gimp_vector3_length_val ()">gimp_vector3_length_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul" title="gimp_vector3_mul ()">gimp_vector3_mul</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul-val" title="gimp_vector3_mul_val ()">gimp_vector3_mul_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize" title="gimp_vector3_normalize ()">gimp_vector3_normalize</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize-val" title="gimp_vector3_normalize_val ()">gimp_vector3_normalize_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg" title="gimp_vector3_neg ()">gimp_vector3_neg</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg-val" title="gimp_vector3_neg_val ()">gimp_vector3_neg_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add" title="gimp_vector3_add ()">gimp_vector3_add</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add-val" title="gimp_vector3_add_val ()">gimp_vector3_add_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub" title="gimp_vector3_sub ()">gimp_vector3_sub</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub-val" title="gimp_vector3_sub_val ()">gimp_vector3_sub_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product" title="gimp_vector3_inner_product ()">gimp_vector3_inner_product</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">gdouble</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product-val" title="gimp_vector3_inner_product_val ()">gimp_vector3_inner_product_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product" title="gimp_vector3_cross_product ()">gimp_vector3_cross_product</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product-val" title="gimp_vector3_cross_product_val ()">gimp_vector3_cross_product_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate" title="gimp_vector3_rotate ()">gimp_vector3_rotate</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate-val" title="gimp_vector3_rotate_val ()">gimp_vector3_rotate_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()">gimp_vector_2d_to_3d</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d-val" title="gimp_vector_2d_to_3d_val ()">gimp_vector_2d_to_3d_val</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="libgimpmath-GimpVector.html#gimp-vector-3d-to-2d" title="gimp_vector_3d_to_2d ()">gimp_vector_3d_to_2d</a> <span class="c_punctuation">()</span> +</td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.other"></a><h2>Types and Values</h2> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="other_proto_type"> +<col class="other_proto_name"> +</colgroup> +<tbody> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2">GimpVector2</a></td> +</tr> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3">GimpVector3</a></td> +</tr> +<tr> +<td class="datatype_keyword">struct</td> +<td class="function_name"><a class="link" href="libgimpmath-GimpVector.html#GimpVector4" title="struct GimpVector4">GimpVector4</a></td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.description"></a><h2>Description</h2> +<p>Utilities to set up and manipulate vectors.</p> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.functions_details"></a><h2>Functions</h2> +<div class="refsect2"> +<a name="gimp-vector2-new"></a><h3>gimp_vector2_new ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_new (<em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>);</pre> +<p>Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> of coordinates <em class="parameter"><code>x</code></em> + and <em class="parameter"><code>y</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector2-new.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-new.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-set"></a><h3>gimp_vector2_set ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_set (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>);</pre> +<p>Sets the X and Y coordinates of <em class="parameter"><code>vector</code></em> + to <em class="parameter"><code>x</code></em> + and <em class="parameter"><code>y</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector2-set.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-length"></a><h3>gimp_vector2_length ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector2_length (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>);</pre> +<p>Computes the length of a 2D vector.</p> +<div class="refsect3"> +<a name="gimp-vector2-length.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-length.returns"></a><h4>Returns</h4> +<p> the length of <em class="parameter"><code>vector</code></em> +(a positive gdouble).</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-length-val"></a><h3>gimp_vector2_length_val ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector2_length_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length" title="gimp_vector2_length ()"><code class="function">gimp_vector2_length()</code></a> but the +vector is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-length-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-length-val.returns"></a><h4>Returns</h4> +<p> the length of <em class="parameter"><code>vector</code></em> +(a positive gdouble).</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-mul"></a><h3>gimp_vector2_mul ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_mul (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre> +<p>Multiplies each component of the <em class="parameter"><code>vector</code></em> + by <em class="parameter"><code>factor</code></em> +. Note that this +is equivalent to multiplying the vectors length by <em class="parameter"><code>factor</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector2-mul.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>factor</p></td> +<td class="parameter_description"><p>a scalar.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-mul-val"></a><h3>gimp_vector2_mul_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_mul_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul" title="gimp_vector2_mul ()"><code class="function">gimp_vector2_mul()</code></a> but the vector is +passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-mul-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>factor</p></td> +<td class="parameter_description"><p>a scalar.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-mul-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-normal"></a><h3>gimp_vector2_normal ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_normal (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>);</pre> +<p>Compute a normalized perpendicular vector to <em class="parameter"><code>vector</code></em> +</p> +<div class="refsect3"> +<a name="gimp-vector2-normal.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-normal.returns"></a><h4>Returns</h4> +<p> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> perpendicular to <em class="parameter"><code>vector</code></em> +, with a length of 1.0.</p> +</div> +<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-normal-val"></a><h3>gimp_vector2_normal_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_normal_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normal" title="gimp_vector2_normal ()"><code class="function">gimp_vector2_normal()</code></a> but the vector +is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-normal-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-normal-val.returns"></a><h4>Returns</h4> +<p> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> perpendicular to <em class="parameter"><code>vector</code></em> +, with a length of 1.0.</p> +</div> +<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-normalize"></a><h3>gimp_vector2_normalize ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_normalize (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>);</pre> +<p>Normalizes the <em class="parameter"><code>vector</code></em> + so the length of the <em class="parameter"><code>vector</code></em> + is 1.0. The nul +vector will not be changed.</p> +<div class="refsect3"> +<a name="gimp-vector2-normalize.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-normalize-val"></a><h3>gimp_vector2_normalize_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_normalize_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize" title="gimp_vector2_normalize ()"><code class="function">gimp_vector2_normalize()</code></a> but the +vector is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-normalize-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-normalize-val.returns"></a><h4>Returns</h4> +<p> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> parallel to <em class="parameter"><code>vector</code></em> +, pointing in the same +direction but with a length of 1.0.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-neg"></a><h3>gimp_vector2_neg ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_neg (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>);</pre> +<p>Negates the <em class="parameter"><code>vector</code></em> + (i.e. negate all its coordinates).</p> +<div class="refsect3"> +<a name="gimp-vector2-neg.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-neg-val"></a><h3>gimp_vector2_neg_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_neg_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg" title="gimp_vector2_neg ()"><code class="function">gimp_vector2_neg()</code></a> but the vector +is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-neg-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-neg-val.returns"></a><h4>Returns</h4> +<p> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-add"></a><h3>gimp_vector2_add ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_add (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *result</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector2</code></em>);</pre> +<p>Computes the sum of two 2D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> is +stored in <em class="parameter"><code>result</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector2-add.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>result</p></td> +<td class="parameter_description"><p>destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-add-val"></a><h3>gimp_vector2_add_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_add_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add" title="gimp_vector2_add ()"><code class="function">gimp_vector2_add()</code></a> but the vectors +are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-add-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-add-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-sub"></a><h3>gimp_vector2_sub ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_sub (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *result</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector2</code></em>);</pre> +<p>Computes the difference of two 2D vectors (<em class="parameter"><code>vector1</code></em> + minus <em class="parameter"><code>vector2</code></em> +). +The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> is stored in <em class="parameter"><code>result</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector2-sub.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>result</p></td> +<td class="parameter_description"><p>the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-sub-val"></a><h3>gimp_vector2_sub_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_sub_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub" title="gimp_vector2_sub ()"><code class="function">gimp_vector2_sub()</code></a> but the vectors +are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-sub-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-sub-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-inner-product"></a><h3>gimp_vector2_inner_product ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector2_inner_product (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector2</code></em>);</pre> +<p>Computes the inner (dot) product of two 2D vectors. +This product is zero if and only if the two vectors are orthogonal.</p> +<div class="refsect3"> +<a name="gimp-vector2-inner-product.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-inner-product.returns"></a><h4>Returns</h4> +<p> The inner product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-inner-product-val"></a><h3>gimp_vector2_inner_product_val ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector2_inner_product_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product" title="gimp_vector2_inner_product ()"><code class="function">gimp_vector2_inner_product()</code></a> but the +vectors are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-inner-product-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-inner-product-val.returns"></a><h4>Returns</h4> +<p> The inner product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-cross-product"></a><h3>gimp_vector2_cross_product ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_cross_product (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector2</code></em>);</pre> +<p>Compute the cross product of two vectors. The result is a +<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> which is orthogonal to both <em class="parameter"><code>vector1</code></em> + and <em class="parameter"><code>vector2</code></em> +. If +<em class="parameter"><code>vector1</code></em> + and <em class="parameter"><code>vector2</code></em> + are parallel, the result will be the nul +vector.</p> +<p>Note that in 2D, this function is useful to test if two vectors are +parallel or not, or to compute the area spawned by two vectors.</p> +<div class="refsect3"> +<a name="gimp-vector2-cross-product.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-cross-product.returns"></a><h4>Returns</h4> +<p> The cross product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-cross-product-val"></a><h3>gimp_vector2_cross_product_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_cross_product_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product" title="gimp_vector2_cross_product ()"><code class="function">gimp_vector2_cross_product()</code></a> but the +vectors are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-cross-product-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-cross-product-val.returns"></a><h4>Returns</h4> +<p> The cross product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-rotate"></a><h3>gimp_vector2_rotate ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector2_rotate (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>);</pre> +<p>Rotates the <em class="parameter"><code>vector</code></em> + counterclockwise by <em class="parameter"><code>alpha</code></em> + radians.</p> +<div class="refsect3"> +<a name="gimp-vector2-rotate.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>alpha</p></td> +<td class="parameter_description"><p>an angle (in radians).</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector2-rotate-val"></a><h3>gimp_vector2_rotate_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="returnvalue">GimpVector2</span></a> +gimp_vector2_rotate_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate" title="gimp_vector2_rotate ()"><code class="function">gimp_vector2_rotate()</code></a> but the vector +is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector2-rotate-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>alpha</p></td> +<td class="parameter_description"><p>an angle (in radians).</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector2-rotate-val.returns"></a><h4>Returns</h4> +<p> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="struct GimpVector2"><span class="type">GimpVector2</span></a> representing <em class="parameter"><code>vector</code></em> +rotated by <em class="parameter"><code>alpha</code></em> +radians.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-new"></a><h3>gimp_vector3_new ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_new (<em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> z</code></em>);</pre> +<p>Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> of coordinate <em class="parameter"><code>x</code></em> +, <em class="parameter"><code>y</code></em> + and <em class="parameter"><code>z</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-new.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>z</p></td> +<td class="parameter_description"><p>the Z coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-new.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-set"></a><h3>gimp_vector3_set ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_set (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> y</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> z</code></em>);</pre> +<p>Sets the X, Y and Z coordinates of <em class="parameter"><code>vector</code></em> + to <em class="parameter"><code>x</code></em> +, <em class="parameter"><code>y</code></em> + and <em class="parameter"><code>z</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-set.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the X coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the Y coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>z</p></td> +<td class="parameter_description"><p>the Z coordinate.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-length"></a><h3>gimp_vector3_length ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector3_length (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>);</pre> +<p>Computes the length of a 3D vector.</p> +<div class="refsect3"> +<a name="gimp-vector3-length.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-length.returns"></a><h4>Returns</h4> +<p> the length of <em class="parameter"><code>vector</code></em> +(a positive gdouble).</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-length-val"></a><h3>gimp_vector3_length_val ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector3_length_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length" title="gimp_vector3_length ()"><code class="function">gimp_vector3_length()</code></a> but the vector +is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-length-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-length-val.returns"></a><h4>Returns</h4> +<p> the length of <em class="parameter"><code>vector</code></em> +(a positive gdouble).</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-mul"></a><h3>gimp_vector3_mul ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_mul (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre> +<p>Multiplies each component of the <em class="parameter"><code>vector</code></em> + by <em class="parameter"><code>factor</code></em> +. Note that +this is equivalent to multiplying the vectors length by <em class="parameter"><code>factor</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-mul.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>factor</p></td> +<td class="parameter_description"><p>a scalar.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-mul-val"></a><h3>gimp_vector3_mul_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_mul_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> factor</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul" title="gimp_vector3_mul ()"><code class="function">gimp_vector3_mul()</code></a> but the vector is +passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-mul-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>factor</p></td> +<td class="parameter_description"><p>a scalar.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-mul-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-normalize"></a><h3>gimp_vector3_normalize ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_normalize (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>);</pre> +<p>Normalizes the <em class="parameter"><code>vector</code></em> + so the length of the <em class="parameter"><code>vector</code></em> + is 1.0. The nul +vector will not be changed.</p> +<div class="refsect3"> +<a name="gimp-vector3-normalize.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-normalize-val"></a><h3>gimp_vector3_normalize_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_normalize_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize" title="gimp_vector3_normalize ()"><code class="function">gimp_vector3_normalize()</code></a> but the +vector is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-normalize-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-normalize-val.returns"></a><h4>Returns</h4> +<p> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> parallel to <em class="parameter"><code>vector</code></em> +, pointing in the same +direction but with a length of 1.0.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-neg"></a><h3>gimp_vector3_neg ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_neg (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>);</pre> +<p>Negates the <em class="parameter"><code>vector</code></em> + (i.e. negate all its coordinates).</p> +<div class="refsect3"> +<a name="gimp-vector3-neg.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-neg-val"></a><h3>gimp_vector3_neg_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_neg_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg" title="gimp_vector3_neg ()"><code class="function">gimp_vector3_neg()</code></a> but the vector +is passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-neg-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody><tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-neg-val.returns"></a><h4>Returns</h4> +<p> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-add"></a><h3>gimp_vector3_add ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_add (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *result</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector2</code></em>);</pre> +<p>Computes the sum of two 3D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> is +stored in <em class="parameter"><code>result</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-add.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>result</p></td> +<td class="parameter_description"><p>destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-add-val"></a><h3>gimp_vector3_add_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_add_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add" title="gimp_vector3_add ()"><code class="function">gimp_vector3_add()</code></a> but the vectors +are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-add-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-add-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-sub"></a><h3>gimp_vector3_sub ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_sub (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *result</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector2</code></em>);</pre> +<p>Computes the difference of two 3D vectors (<em class="parameter"><code>vector1</code></em> + minus <em class="parameter"><code>vector2</code></em> +). +The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> is stored in <em class="parameter"><code>result</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-sub.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>result</p></td> +<td class="parameter_description"><p>the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-sub-val"></a><h3>gimp_vector3_sub_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_sub_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub" title="gimp_vector3_sub ()"><code class="function">gimp_vector3_sub()</code></a> but the vectors +are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-sub-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-sub-val.returns"></a><h4>Returns</h4> +<p> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-inner-product"></a><h3>gimp_vector3_inner_product ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector3_inner_product (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector2</code></em>);</pre> +<p>Computes the inner (dot) product of two 3D vectors. This product +is zero if and only if the two vectors are orthogonal.</p> +<div class="refsect3"> +<a name="gimp-vector3-inner-product.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-inner-product.returns"></a><h4>Returns</h4> +<p> The inner product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-inner-product-val"></a><h3>gimp_vector3_inner_product_val ()</h3> +<pre class="programlisting"><span class="returnvalue">gdouble</span> +gimp_vector3_inner_product_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product" title="gimp_vector3_inner_product ()"><code class="function">gimp_vector3_inner_product()</code></a> but the +vectors are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-inner-product-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-inner-product-val.returns"></a><h4>Returns</h4> +<p> The inner product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-cross-product"></a><h3>gimp_vector3_cross_product ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_cross_product (<em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector1</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector2</code></em>);</pre> +<p>Compute the cross product of two vectors. The result is a +<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> which is orthogonal to both <em class="parameter"><code>vector1</code></em> + and <em class="parameter"><code>vector2</code></em> +. If +<em class="parameter"><code>vector1</code></em> + and <em class="parameter"><code>vector2</code></em> + and parallel, the result will be the nul +vector.</p> +<p>This function can be used to compute the normal of the plane +defined by <em class="parameter"><code>vector1</code></em> + and <em class="parameter"><code>vector2</code></em> +.</p> +<div class="refsect3"> +<a name="gimp-vector3-cross-product.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-cross-product.returns"></a><h4>Returns</h4> +<p> The cross product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-cross-product-val"></a><h3>gimp_vector3_cross_product_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_cross_product_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector1</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector2</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product" title="gimp_vector3_cross_product ()"><code class="function">gimp_vector3_cross_product()</code></a> but the +vectors are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-cross-product-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector1</p></td> +<td class="parameter_description"><p>the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vector2</p></td> +<td class="parameter_description"><p>the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-cross-product-val.returns"></a><h4>Returns</h4> +<p> The cross product.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-rotate"></a><h3>gimp_vector3_rotate ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector3_rotate (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> beta</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> gamma</code></em>);</pre> +<p>Rotates the <em class="parameter"><code>vector</code></em> + around the three axis (Z, Y, and X) by <em class="parameter"><code>alpha</code></em> +, +<em class="parameter"><code>beta</code></em> + and <em class="parameter"><code>gamma</code></em> +, respectively.</p> +<p>Note that the order of the rotation is very important. If you +expect a vector to be rotated around X, and then around Y, you will +have to call this function twice. Also, it is often wise to call +this function with only one of <em class="parameter"><code>alpha</code></em> +, <em class="parameter"><code>beta</code></em> + and <em class="parameter"><code>gamma</code></em> + non-zero.</p> +<div class="refsect3"> +<a name="gimp-vector3-rotate.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>alpha</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the Z axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>beta</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the Y axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>gamma</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the X axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector3-rotate-val"></a><h3>gimp_vector3_rotate_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector3_rotate_val (<em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vector</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> alpha</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> beta</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> gamma</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate" title="gimp_vector3_rotate ()"><code class="function">gimp_vector3_rotate()</code></a> but the vectors +are passed by value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector3-rotate-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>vector</p></td> +<td class="parameter_description"><p>a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a>.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>alpha</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the Z axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>beta</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the Y axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>gamma</p></td> +<td class="parameter_description"><p>the angle (in radian) of rotation around the X axis.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector3-rotate-val.returns"></a><h4>Returns</h4> +<p> the rotated vector.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector-2d-to-3d"></a><h3>gimp_vector_2d_to_3d ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector_2d_to_3d (<em class="parameter"><code><span class="type">gint</span> sx</code></em>, + <em class="parameter"><code><span class="type">gint</span> sy</code></em>, + <em class="parameter"><code><span class="type">gint</span> w</code></em>, + <em class="parameter"><code><span class="type">gint</span> h</code></em>, + <em class="parameter"><code><span class="type">gint</span> x</code></em>, + <em class="parameter"><code><span class="type">gint</span> y</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vp</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *p</code></em>);</pre> +<p>\"Compute screen (sx, sy) - (sx + w, sy + h) to 3D unit square +mapping. The plane to map to is given in the z field of p. The +observer is located at position vp (vp->z != 0.0).\"</p> +<p>In other words, this computes the projection of the point (<em class="parameter"><code>x</code></em> +, <em class="parameter"><code>y</code></em> +) +to the plane z = <em class="parameter"><code>p->z</code></em> + (parallel to XY), from the <em class="parameter"><code>vp</code></em> + point of view +through the screen (<em class="parameter"><code>sx</code></em> +, <em class="parameter"><code>sy</code></em> +)->(<em class="parameter"><code>sx</code></em> + + <em class="parameter"><code>w</code></em> +, <em class="parameter"><code>sy</code></em> + + <em class="parameter"><code>h</code></em> +)</p> +<div class="refsect3"> +<a name="gimp-vector-2d-to-3d.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>sx</p></td> +<td class="parameter_description"><p>the abscissa of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>sy</p></td> +<td class="parameter_description"><p>the ordinate of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>w</p></td> +<td class="parameter_description"><p>the width of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>h</p></td> +<td class="parameter_description"><p>the height of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the abscissa of the point in the screen rectangle to map.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the ordinate of the point in the screen rectangle to map.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vp</p></td> +<td class="parameter_description"><p>the position of the observer.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>p</p></td> +<td class="parameter_description"><p>the resulting point.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector-2d-to-3d-val"></a><h3>gimp_vector_2d_to_3d_val ()</h3> +<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="returnvalue">GimpVector3</span></a> +gimp_vector_2d_to_3d_val (<em class="parameter"><code><span class="type">gint</span> sx</code></em>, + <em class="parameter"><code><span class="type">gint</span> sy</code></em>, + <em class="parameter"><code><span class="type">gint</span> w</code></em>, + <em class="parameter"><code><span class="type">gint</span> h</code></em>, + <em class="parameter"><code><span class="type">gint</span> x</code></em>, + <em class="parameter"><code><span class="type">gint</span> y</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> vp</code></em>, + <em class="parameter"><code><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> p</code></em>);</pre> +<p>This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()"><code class="function">gimp_vector_2d_to_3d()</code></a> but the +position of the <em class="parameter"><code>observer</code></em> + and the resulting point <em class="parameter"><code>p</code></em> + are passed by +value rather than by reference.</p> +<div class="refsect3"> +<a name="gimp-vector-2d-to-3d-val.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>sx</p></td> +<td class="parameter_description"><p>the abscissa of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>sy</p></td> +<td class="parameter_description"><p>the ordinate of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>w</p></td> +<td class="parameter_description"><p>the width of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>h</p></td> +<td class="parameter_description"><p>the height of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the abscissa of the point in the screen rectangle to map.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the ordinate of the point in the screen rectangle to map.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vp</p></td> +<td class="parameter_description"><p>position of the observer.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>p</p></td> +<td class="parameter_description"><p>the resulting point.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="gimp-vector-2d-to-3d-val.returns"></a><h4>Returns</h4> +<p> the computed <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> point.</p> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="gimp-vector-3d-to-2d"></a><h3>gimp_vector_3d_to_2d ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +gimp_vector_3d_to_2d (<em class="parameter"><code><span class="type">gint</span> sx</code></em>, + <em class="parameter"><code><span class="type">gint</span> sy</code></em>, + <em class="parameter"><code><span class="type">gint</span> w</code></em>, + <em class="parameter"><code><span class="type">gint</span> h</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *x</code></em>, + <em class="parameter"><code><span class="type">gdouble</span> *y</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *vp</code></em>, + <em class="parameter"><code>const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="struct GimpVector3"><span class="type">GimpVector3</span></a> *p</code></em>);</pre> +<p>Convert the given 3D point to 2D (project it onto the viewing +plane, (sx, sy, 0) - (sx + w, sy + h, 0). The input is assumed to +be in the unit square (0, 0, z) - (1, 1, z). The viewpoint of the +observer is passed in vp.</p> +<p>This is basically the opposite of <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()"><code class="function">gimp_vector_2d_to_3d()</code></a>.</p> +<div class="refsect3"> +<a name="gimp-vector-3d-to-2d.parameters"></a><h4>Parameters</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="150px" class="parameters_name"> +<col class="parameters_description"> +<col width="200px" class="parameters_annotations"> +</colgroup> +<tbody> +<tr> +<td class="parameter_name"><p>sx</p></td> +<td class="parameter_description"><p>the abscissa of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>sy</p></td> +<td class="parameter_description"><p>the ordinate of the upper-left screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>w</p></td> +<td class="parameter_description"><p>the width of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>h</p></td> +<td class="parameter_description"><p>the height of the screen rectangle.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>x</p></td> +<td class="parameter_description"><p>the abscissa of the point in the screen rectangle to map (return value).</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>y</p></td> +<td class="parameter_description"><p>the ordinate of the point in the screen rectangle to map (return value).</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>vp</p></td> +<td class="parameter_description"><p>position of the observer.</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>p</p></td> +<td class="parameter_description"><p>the 3D point to project to the plane.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.other_details"></a><h2>Types and Values</h2> +<div class="refsect2"> +<a name="GimpVector2"></a><h3>struct GimpVector2</h3> +<pre class="programlisting">struct GimpVector2 { + gdouble x, y; +}; +</pre> +<p>A two dimensional vector.</p> +<div class="refsect3"> +<a name="GimpVector2.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector2.x"></a>x</code></em>;</p></td> +<td class="struct_member_description"><p>the x axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector2.y"></a>y</code></em>;</p></td> +<td class="struct_member_description"><p>the y axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="GimpVector3"></a><h3>struct GimpVector3</h3> +<pre class="programlisting">struct GimpVector3 { + gdouble x, y, z; +}; +</pre> +<p>A three dimensional vector.</p> +<div class="refsect3"> +<a name="GimpVector3.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector3.x"></a>x</code></em>;</p></td> +<td class="struct_member_description"><p>the x axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector3.y"></a>y</code></em>;</p></td> +<td class="struct_member_description"><p>the y axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector3.z"></a>z</code></em>;</p></td> +<td class="struct_member_description"><p>the z axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +<hr> +<div class="refsect2"> +<a name="GimpVector4"></a><h3>struct GimpVector4</h3> +<pre class="programlisting">struct GimpVector4 { + gdouble x, y, z, w; +}; +</pre> +<p>A four dimensional vector.</p> +<div class="refsect3"> +<a name="GimpVector4.members"></a><h4>Members</h4> +<div class="informaltable"><table class="informaltable" width="100%" border="0"> +<colgroup> +<col width="300px" class="struct_members_name"> +<col class="struct_members_description"> +<col width="200px" class="struct_members_annotations"> +</colgroup> +<tbody> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector4.x"></a>x</code></em>;</p></td> +<td class="struct_member_description"><p>the x axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector4.y"></a>y</code></em>;</p></td> +<td class="struct_member_description"><p>the y axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector4.z"></a>z</code></em>;</p></td> +<td class="struct_member_description"><p>the z axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +<tr> +<td class="struct_member_name"><p><span class="type">gdouble</span> <em class="structfield"><code><a name="GimpVector4.w"></a>w</code></em>;</p></td> +<td class="struct_member_description"><p>the w axis</p></td> +<td class="struct_member_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +</div> +</div> +<div class="refsect1"> +<a name="libgimpmath-GimpVector.see-also"></a><h2>See Also</h2> +<p><a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix2" title="struct GimpMatrix2"><span class="type">GimpMatrix2</span></a>, <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="struct GimpMatrix3"><span class="type">GimpMatrix3</span></a>, <a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="struct GimpMatrix4"><span class="type">GimpMatrix4</span></a></p> +</div> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
\ No newline at end of file diff --git a/devel-docs/libgimpmath/html/libgimpmath.devhelp2 b/devel-docs/libgimpmath/html/libgimpmath.devhelp2 new file mode 100644 index 0000000..29c58f6 --- /dev/null +++ b/devel-docs/libgimpmath/html/libgimpmath.devhelp2 @@ -0,0 +1,127 @@ +<?xml version="1.0" encoding="utf-8" standalone="no"?> +<book xmlns="http://www.devhelp.net/book" title="GIMP Math Library Reference Manual" link="index.html" author="" name="libgimpmath" version="2" language="c"> + <chapters> + <sub name="GIMP Math Library" link="pt01.html"> + <sub name="GimpMath" link="libgimpmath-GimpMath.html"/> + <sub name="GimpMatrix" link="libgimpmath-GimpMatrix.html"/> + <sub name="GimpVector" link="libgimpmath-GimpVector.html"/> + <sub name="GimpMD5" link="libgimpmath-GimpMD5.html"/> + </sub> + <sub name="Index" link="api-index-full.html"/> + <sub name="Index of new symbols in GIMP 2.4" link="api-index-2-4.html"/> + <sub name="Index of new symbols in GIMP 2.8" link="api-index-2-8.html"/> + 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link="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d-val"/> + <keyword type="function" name="gimp_vector_3d_to_2d ()" link="libgimpmath-GimpVector.html#gimp-vector-3d-to-2d"/> + <keyword type="struct" name="struct GimpVector2" link="libgimpmath-GimpVector.html#GimpVector2"/> + <keyword type="struct" name="struct GimpVector3" link="libgimpmath-GimpVector.html#GimpVector3"/> + <keyword type="struct" name="struct GimpVector4" link="libgimpmath-GimpVector.html#GimpVector4"/> + <keyword type="function" name="gimp_md5_get_digest ()" link="libgimpmath-GimpMD5.html#gimp-md5-get-digest" deprecated=""/> + <keyword type="member" name="GimpMatrix2.coeff" link="libgimpmath-GimpMatrix.html#GimpMatrix2.coeff"/> + <keyword type="member" name="GimpMatrix3.coeff" link="libgimpmath-GimpMatrix.html#GimpMatrix3.coeff"/> + <keyword type="member" name="GimpMatrix4.coeff" link="libgimpmath-GimpMatrix.html#GimpMatrix4.coeff"/> + <keyword type="member" name="GimpVector2.x" link="libgimpmath-GimpVector.html#GimpVector2.x"/> + <keyword type="member" name="GimpVector2.y" link="libgimpmath-GimpVector.html#GimpVector2.y"/> + <keyword type="member" name="GimpVector3.x" link="libgimpmath-GimpVector.html#GimpVector3.x"/> + <keyword type="member" name="GimpVector3.y" link="libgimpmath-GimpVector.html#GimpVector3.y"/> + <keyword type="member" name="GimpVector3.z" link="libgimpmath-GimpVector.html#GimpVector3.z"/> + <keyword type="member" name="GimpVector4.x" link="libgimpmath-GimpVector.html#GimpVector4.x"/> + <keyword type="member" name="GimpVector4.y" link="libgimpmath-GimpVector.html#GimpVector4.y"/> + <keyword type="member" name="GimpVector4.z" link="libgimpmath-GimpVector.html#GimpVector4.z"/> + <keyword type="member" name="GimpVector4.w" link="libgimpmath-GimpVector.html#GimpVector4.w"/> + </functions> +</book> diff --git a/devel-docs/libgimpmath/html/pt01.html b/devel-docs/libgimpmath/html/pt01.html new file mode 100644 index 0000000..d3f3c5b --- /dev/null +++ b/devel-docs/libgimpmath/html/pt01.html @@ -0,0 +1,47 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>Part I. GIMP Math Library: GIMP Math Library Reference Manual</title> +<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"> +<link rel="home" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="up" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="prev" href="index.html" title="GIMP Math Library Reference Manual"> +<link rel="next" href="libgimpmath-GimpMath.html" title="GimpMath"> +<meta name="generator" content="GTK-Doc V1.32 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> +<td width="100%" align="left" class="shortcuts"></td> +<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> +<td><img src="up-insensitive.png" width="16" height="16" border="0"></td> +<td><a accesskey="p" href="index.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="libgimpmath-GimpMath.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="part"> +<div class="titlepage"><div><div><h1 class="title"> +<a name="id-1.2"></a>Part I. GIMP Math Library</h1></div></div></div> +<div class="toc"> +<p><b>Table of Contents</b></p> +<dl class="toc"> +<dt> +<span class="refentrytitle"><a href="libgimpmath-GimpMath.html">GimpMath</a></span><span class="refpurpose"> — Mathematical definitions and macros.</span> +</dt> +<dt> +<span class="refentrytitle"><a href="libgimpmath-GimpMatrix.html">GimpMatrix</a></span><span class="refpurpose"> — Utilities to set up and manipulate 3x3 +transformation matrices.</span> +</dt> +<dt> +<span class="refentrytitle"><a href="libgimpmath-GimpVector.html">GimpVector</a></span><span class="refpurpose"> — Utilities to set up and manipulate vectors.</span> +</dt> +<dt> +<span class="refentrytitle"><a href="libgimpmath-GimpMD5.html">GimpMD5</a></span><span class="refpurpose"> — The MD5 message-digest algorithm</span> +</dt> +</dl> +</div> +</div> +<div class="footer"> +<hr>Generated by GTK-Doc V1.32</div> +</body> +</html>
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