devel-docs/libgimpwidgets/html/libgimpwidgets-GimpCairoUtils.html


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<a name="libgimpwidgets-GimpCairoUtils"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libgimpwidgets-GimpCairoUtils.top_of_page"></a>GimpCairo-utils</span></h2>
<p>GimpCairo-utils — Utility functions for cairo</p>
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<a name="libgimpwidgets-GimpCairoUtils.functions"></a><h2>Functions</h2>
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<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
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<td class="function_type">
<span class="returnvalue">gboolean</span>
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<td class="function_name">
<a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-set-focus-line-pattern" title="gimp_cairo_set_focus_line_pattern ()">gimp_cairo_set_focus_line_pattern</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">cairo_surface_t</span> *
</td>
<td class="function_name">
<a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-surface-create-from-pixbuf" title="gimp_cairo_surface_create_from_pixbuf ()">gimp_cairo_surface_create_from_pixbuf</a> <span class="c_punctuation">()</span>
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<div class="refsect1">
<a name="libgimpwidgets-GimpCairoUtils.description"></a><h2>Description</h2>
<p>Utility functions that make cairo easier to use with common
GIMP data types.</p>
</div>
<div class="refsect1">
<a name="libgimpwidgets-GimpCairoUtils.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-cairo-set-focus-line-pattern"></a><h3>gimp_cairo_set_focus_line_pattern ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_cairo_set_focus_line_pattern (<em class="parameter"><code><span class="type">cairo_t</span> *cr</code></em>,
                                   <em class="parameter"><code><a href="https://developer.gnome.org/gtk3/GtkWidget.html#GtkWidget-struct"><span class="type">GtkWidget</span></a> *widget</code></em>);</pre>
<p>Sets color and dash pattern for stroking a focus line on the given
<em class="parameter"><code>cr</code></em>
. The line pattern is taken from <em class="parameter"><code>widget</code></em>
.</p>
<div class="refsect3">
<a name="gimp-cairo-set-focus-line-pattern.parameters"></a><h4>Parameters</h4>
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<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
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<tr>
<td class="parameter_name"><p>cr</p></td>
<td class="parameter_description"><p>Cairo context</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>widget</p></td>
<td class="parameter_description"><p>widget to draw the focus indicator on</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-cairo-set-focus-line-pattern.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the widget style has a focus line pattern,
<code class="literal">FALSE</code> otherwise</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-6.html#api-index-2.6">2.6</a></p>
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<hr>
<div class="refsect2">
<a name="gimp-cairo-surface-create-from-pixbuf"></a><h3>gimp_cairo_surface_create_from_pixbuf ()</h3>
<pre class="programlisting"><span class="returnvalue">cairo_surface_t</span> *
gimp_cairo_surface_create_from_pixbuf (<em class="parameter"><code><span class="type">GdkPixbuf</span> *pixbuf</code></em>);</pre>
<p>Create a Cairo image surface from a GdkPixbuf.</p>
<p>You should avoid calling this function as there are probably more
efficient ways of achieving the result you are looking for.</p>
<div class="refsect3">
<a name="gimp-cairo-surface-create-from-pixbuf.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>pixbuf</p></td>
<td class="parameter_description"><p>a <span class="type">GdkPixbuf</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-cairo-surface-create-from-pixbuf.returns"></a><h4>Returns</h4>
<p> a <span class="type">cairo_surface_t</span>.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-6.html#api-index-2.6">2.6</a></p>
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