Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 265 insertions, 0 deletions

diff --git a/drawinglayer/inc/texture/texture.hxx b/drawinglayer/inc/texture/texture.hxx
new file mode 100644
index 000000000..9cfb2d6d5
--- /dev/null
+++ b/drawinglayer/inc/texture/texture.hxx
@@ -0,0 +1,265 @@
+/* -*- 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 <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/utils/gradienttools.hxx>
+#include <vector>
+#include <functional>
+
+namespace drawinglayer::texture
+{
+        class GeoTexSvx
+        {
+        public:
+            GeoTexSvx();
+            virtual ~GeoTexSvx();
+
+            // compare operator
+            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const;
+            bool operator!=(const GeoTexSvx& rGeoTexSvx) const { return !operator==(rGeoTexSvx); }
+
+            // virtual base methods
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const;
+            virtual void modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const;
+        };
+
+        /// helper class for processing equal number of matrices and colors
+        /// for texture processing
+        struct B2DHomMatrixAndBColor
+        {
+            basegfx::B2DHomMatrix   maB2DHomMatrix;
+            basegfx::BColor         maBColor;
+        };
+
+        class GeoTexSvxGradient : public GeoTexSvx
+        {
+        protected:
+            basegfx::ODFGradientInfo            maGradientInfo;
+            basegfx::B2DRange                   maDefinitionRange;
+            basegfx::BColor                     maStart;
+            basegfx::BColor                     maEnd;
+            double                              mfBorder;
+
+        public:
+            GeoTexSvxGradient(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                double fBorder);
+            virtual ~GeoTexSvxGradient() override;
+
+            // compare operator
+            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
+
+            // virtual base methods
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) = 0;
+        };
+
+        class GeoTexSvxGradientLinear final : public GeoTexSvxGradient
+        {
+            double                  mfUnitMinX;
+            double                  mfUnitWidth;
+            double                  mfUnitMaxY;
+
+        public:
+            GeoTexSvxGradientLinear(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::B2DRange& rOutputRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fAngle);
+            virtual ~GeoTexSvxGradientLinear() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxGradientAxial final : public GeoTexSvxGradient
+        {
+            double                  mfUnitMinX;
+            double                  mfUnitWidth;
+
+        public:
+            GeoTexSvxGradientAxial(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::B2DRange& rOutputRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fAngle);
+            virtual ~GeoTexSvxGradientAxial() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxGradientRadial final : public GeoTexSvxGradient
+        {
+        public:
+            GeoTexSvxGradientRadial(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fOffsetX,
+                double fOffsetY);
+            virtual ~GeoTexSvxGradientRadial() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxGradientElliptical final : public GeoTexSvxGradient
+        {
+        public:
+            GeoTexSvxGradientElliptical(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fOffsetX,
+                double fOffsetY,
+                double fAngle);
+            virtual ~GeoTexSvxGradientElliptical() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxGradientSquare final : public GeoTexSvxGradient
+        {
+        public:
+            GeoTexSvxGradientSquare(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fOffsetX,
+                double fOffsetY,
+                double fAngle);
+            virtual ~GeoTexSvxGradientSquare() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxGradientRect final : public GeoTexSvxGradient
+        {
+        public:
+            GeoTexSvxGradientRect(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::BColor& rStart,
+                const basegfx::BColor& rEnd,
+                sal_uInt32 nSteps,
+                double fBorder,
+                double fOffsetX,
+                double fOffsetY,
+                double fAngle);
+            virtual ~GeoTexSvxGradientRect() override;
+
+            virtual void appendTransformationsAndColors(
+                std::vector< B2DHomMatrixAndBColor >& rEntries,
+                basegfx::BColor& rOuterColor) override;
+            virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
+        };
+
+        class GeoTexSvxHatch final : public GeoTexSvx
+        {
+            basegfx::B2DRange                   maOutputRange;
+            basegfx::B2DHomMatrix               maTextureTransform;
+            basegfx::B2DHomMatrix               maBackTextureTransform;
+            double                              mfDistance;
+            double                              mfAngle;
+            sal_uInt32                          mnSteps;
+
+            bool                                mbDefinitionRangeEqualsOutputRange : 1;
+
+        public:
+            GeoTexSvxHatch(
+                const basegfx::B2DRange& rDefinitionRange,
+                const basegfx::B2DRange& rOutputRange,
+                double fDistance,
+                double fAngle);
+            virtual ~GeoTexSvxHatch() override;
+
+            // compare operator
+            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
+
+            void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices);
+            double getDistanceToHatch(const basegfx::B2DPoint& rUV) const;
+            const basegfx::B2DHomMatrix& getBackTextureTransform() const;
+        };
+
+        // This class applies a tiling to the unit range. The given range
+        // will be repeated inside the unit range in X and Y and for each
+        // tile a matrix will be created (by appendTransformations) that
+        // represents the needed transformation to map a filling in unit
+        // coordinates to that tile.
+        // When offsetX is given, every 2nd line will be offsetted by the
+        // given percentage value (offsetX has to be 0.0 <= offsetX <= 1.0).
+        // Accordingly to offsetY. If both are given, offsetX is preferred
+        // and offsetY is ignored.
+        class GeoTexSvxTiled final : public GeoTexSvx
+        {
+            basegfx::B2DRange               maRange;
+            double                          mfOffsetX;
+            double                          mfOffsetY;
+
+        public:
+            GeoTexSvxTiled(
+                const basegfx::B2DRange& rRange,
+                double fOffsetX = 0.0,
+                double fOffsetY = 0.0);
+            virtual ~GeoTexSvxTiled() override;
+
+            // compare operator
+            virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
+
+            // Iterate over created tiles with callback provided.
+            void iterateTiles(std::function<void(double fPosX, double fPosY)> aFunc) const;
+
+            void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices) const;
+            sal_uInt32 getNumberOfTiles() const;
+        };
+} // end of namespace drawinglayer::texture
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */