From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 07:54:39 +0200
Subject: Adding upstream version 4:24.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/basegfx/matrix/b3dhommatrix.hxx | 127 ++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 include/basegfx/matrix/b3dhommatrix.hxx

(limited to 'include/basegfx/matrix/b3dhommatrix.hxx')

diff --git a/include/basegfx/matrix/b3dhommatrix.hxx b/include/basegfx/matrix/b3dhommatrix.hxx
new file mode 100644
index 0000000000..29603f88eb
--- /dev/null
+++ b/include/basegfx/matrix/b3dhommatrix.hxx
@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <basegfx/point/b3dpoint.hxx>
+#include <basegfx/vector/b3dvector.hxx>
+#include <o3tl/cow_wrapper.hxx>
+#include <basegfx/basegfxdllapi.h>
+
+namespace basegfx
+{
+    class B3DTuple;
+    class Impl3DHomMatrix;
+
+    class BASEGFX_DLLPUBLIC B3DHomMatrix
+    {
+    public:
+        typedef o3tl::cow_wrapper< Impl3DHomMatrix, o3tl::ThreadSafeRefCountingPolicy > ImplType;
+
+    private:
+        ImplType                                     mpImpl;
+
+    public:
+        B3DHomMatrix();
+        B3DHomMatrix(const B3DHomMatrix& rMat);
+        B3DHomMatrix(B3DHomMatrix&& rMat);
+        ~B3DHomMatrix();
+
+        double get(sal_uInt16 nRow, sal_uInt16 nColumn) const;
+        void set(sal_uInt16 nRow, sal_uInt16 nColumn, double fValue);
+
+        // test if last line is default to see if last line needs to be
+        // involved in calculations
+        bool isLastLineDefault() const;
+
+        bool isIdentity() const;
+        /// Reset to the identity matrix
+        void identity();
+
+        /// Invert the matrix (if possible)
+        void invert();
+
+        /// Calc the matrix determinant
+        double determinant() const;
+
+        /// Rotation
+        void rotate(double fAngleX,double fAngleY,double fAngleZ);
+        void rotate(const B3DTuple& rRotation);
+
+        /// Translation
+        void translate(double fX, double fY, double fZ);
+        void translate(const B3DTuple& rTranslation);
+
+        /// Scaling
+        void scale(double fX, double fY, double fZ);
+        void scale(const B3DTuple& rScale);
+
+        // Shearing-Matrices
+        void shearXY(double fSx, double fSy);
+        void shearXZ(double fSx, double fSz);
+
+        // Projection matrices, used for converting between eye and
+        // clip coordinates
+        void frustum(double fLeft = -1.0, double fRight = 1.0,
+            double fBottom = -1.0, double fTop = 1.0,
+            double fNear = 0.001, double fFar = 1.0);
+
+        void ortho(double fLeft = -1.0, double fRight = 1.0,
+            double fBottom = -1.0, double fTop = 1.0,
+            double fNear = 0.0, double fFar = 1.0);
+
+        // build orientation matrix
+        void orientation(
+            const B3DPoint& rVRP = B3DPoint(0.0,0.0,1.0),
+            B3DVector aVPN = B3DVector(0.0,0.0,1.0),
+            B3DVector aVUV = B3DVector(0.0,1.0,0.0));
+
+        // addition, subtraction
+        B3DHomMatrix& operator+=(const B3DHomMatrix& rMat);
+        B3DHomMatrix& operator-=(const B3DHomMatrix& rMat);
+
+        // comparison
+        bool operator==(const B3DHomMatrix& rMat) const;
+        bool operator!=(const B3DHomMatrix& rMat) const;
+
+        // multiplication, division by constant value
+        B3DHomMatrix& operator*=(double fValue);
+        B3DHomMatrix& operator/=(double fValue);
+
+        // matrix multiplication (from the left)
+        B3DHomMatrix& operator*=(const B3DHomMatrix& rMat);
+
+        // assignment operator
+        B3DHomMatrix& operator=(const B3DHomMatrix& rMat);
+        B3DHomMatrix& operator=(B3DHomMatrix&& rMat);
+
+        // decomposition
+        void decompose(B3DTuple& rScale, B3DTuple& rTranslate, B3DTuple& rRotate, B3DTuple& rShear) const;
+    };
+
+    inline B3DHomMatrix operator*(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB)
+    {
+        B3DHomMatrix aMul(rMatB);
+        aMul *= rMatA;
+        return aMul;
+    }
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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