Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

4 files changed, 411 insertions, 0 deletions

diff --git a/drawinglayer/inc/processor3d/defaultprocessor3d.hxx b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
new file mode 100644
index 000000000..f23a826a6
--- /dev/null
+++ b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
@@ -0,0 +1,146 @@
+/* -*- 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 <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+#include <svtools/optionsdrawinglayer.hxx>
+
+// predefines
+
+namespace basegfx {
+    class B3DPolygon;
+    class B3DPolyPolygon;
+}
+
+namespace drawinglayer::attribute {
+    class SdrSceneAttribute;
+    class SdrLightingAttribute;
+    class MaterialAttribute3D;
+}
+
+namespace drawinglayer::primitive3d {
+    class PolygonHairlinePrimitive3D;
+    class PolyPolygonMaterialPrimitive3D;
+    class GradientTexturePrimitive3D;
+    class HatchTexturePrimitive3D;
+    class BitmapTexturePrimitive3D;
+    class TransformPrimitive3D;
+    class ModifiedColorPrimitive3D;
+}
+
+namespace drawinglayer::texture {
+    class GeoTexSvx;
+}
+
+
+namespace drawinglayer
+{
+    namespace processor3d
+    {
+        /** DefaultProcessor3D class
+
+            This processor renders all fed primitives to a 2D raster where for all
+            primitives the two basic methods rasterconvertB3DPolygon for hairlines and
+            rasterconvertB3DPolyPolygon for filled geometry is called. It is a baseclass to
+            e.g. base a Z-Buffer supported renderer on the 3D primitive processing.
+         */
+        class DefaultProcessor3D : public BaseProcessor3D
+        {
+        protected:
+            /// read-only scene infos (normal handling, etc...)
+            const attribute::SdrSceneAttribute&                 mrSdrSceneAttribute;
+
+            /// read-only light infos (lights, etc...)
+            const attribute::SdrLightingAttribute&              mrSdrLightingAttribute;
+
+            /// renderer range. Need to be correctly set by the derived implementations
+            /// normally the (0, 0, W, H) range from mpBZPixelRaster
+            basegfx::B2DRange                                   maRasterRange;
+
+            /// the modifiedColorPrimitive stack
+            basegfx::BColorModifierStack                        maBColorModifierStack;
+
+            /// the current active texture
+            std::shared_ptr< texture::GeoTexSvx >             mpGeoTexSvx;
+
+            /// the current active transparence texture
+            std::shared_ptr< texture::GeoTexSvx >             mpTransparenceGeoTexSvx;
+
+            /// SvtOptionsDrawinglayer incarnation to react on diverse settings
+            const SvtOptionsDrawinglayer                        maDrawinglayerOpt;
+
+            /// counter for entered transparence textures
+            sal_uInt32                                          mnTransparenceCounter;
+
+            bool                                                mbModulate : 1;
+            bool                                                mbFilter : 1;
+            bool                                                mbSimpleTextureActive : 1;
+
+
+            // rendering support
+
+            void impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence);
+            void impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive);
+            void impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive);
+            void impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate);
+            void impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive) const;
+            void impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive) const;
+            void impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate);
+
+
+            // rasterconversions for filled and non-filled polygons. These NEED to be
+            // implemented from derivations
+
+            virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const = 0;
+            virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const = 0;
+
+            // the processing method for a single, known primitive
+            virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive) override;
+
+        public:
+            DefaultProcessor3D(
+                const geometry::ViewInformation3D& rViewInformation,
+                const attribute::SdrSceneAttribute& rSdrSceneAttribute,
+                const attribute::SdrLightingAttribute& rSdrLightingAttribute);
+            virtual ~DefaultProcessor3D() override;
+
+            /// data read access
+            const attribute::SdrSceneAttribute& getSdrSceneAttribute() const { return mrSdrSceneAttribute; }
+            const attribute::SdrLightingAttribute& getSdrLightingAttribute() const { return mrSdrLightingAttribute; }
+
+            /// data read access renderer stuff
+            const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
+            const std::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
+            const std::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
+            sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
+            bool getModulate() const { return mbModulate; }
+            bool getFilter() const { return mbFilter; }
+            bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
+
+            /// access to Drawinglayer configuration options
+            const SvtOptionsDrawinglayer& getOptionsDrawinglayer() const { return maDrawinglayerOpt; }
+        };
+    } // end of namespace processor3d
+} // end of namespace drawinglayer
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/inc/processor3d/geometry2dextractor.hxx b/drawinglayer/inc/processor3d/geometry2dextractor.hxx
new file mode 100644
index 000000000..ae3050fb2
--- /dev/null
+++ b/drawinglayer/inc/processor3d/geometry2dextractor.hxx
@@ -0,0 +1,70 @@
+/* -*- 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 <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+
+
+namespace drawinglayer
+{
+    namespace processor3d
+    {
+        /** Geometry2DExtractingProcessor class
+
+            This processor extracts the 2D geometry (projected geometry) of all fed primitives.
+            It is e.g. used as sub-processor for contour extraction where 3D geometry is only
+            useful as 2D projected geometry.
+         */
+        class Geometry2DExtractingProcessor final : public BaseProcessor3D
+        {
+        private:
+            /// result holding vector (2D)
+            primitive2d::Primitive2DContainer                  maPrimitive2DSequence;
+
+            /// object transformation for scene for 2d definition
+            basegfx::B2DHomMatrix                           maObjectTransformation;
+
+            /// the modifiedColorPrimitive stack
+            basegfx::BColorModifierStack                    maBColorModifierStack;
+
+            /*  as tooling, the process() implementation takes over API handling and calls this
+                virtual render method when the primitive implementation is BasePrimitive3D-based.
+             */
+            virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) override;
+
+        public:
+            Geometry2DExtractingProcessor(
+                const geometry::ViewInformation3D& rViewInformation,
+                const basegfx::B2DHomMatrix& rObjectTransformation);
+
+            // data read access
+            const primitive2d::Primitive2DContainer& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
+            const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+        };
+    } // end of namespace processor3d
+} // end of namespace drawinglayer
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/inc/processor3d/shadow3dextractor.hxx b/drawinglayer/inc/processor3d/shadow3dextractor.hxx
new file mode 100644
index 000000000..37c1c0f0e
--- /dev/null
+++ b/drawinglayer/inc/processor3d/shadow3dextractor.hxx
@@ -0,0 +1,99 @@
+/* -*- 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 <drawinglayer/drawinglayerdllapi.h>
+
+#include <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+namespace basegfx { class B3DPolyPolygon; }
+namespace basegfx { class B3DPolygon; }
+
+
+namespace drawinglayer
+{
+    namespace processor3d
+    {
+        /** Shadow3DExtractingProcessor class
+
+            This processor extracts the 2D shadow geometry (projected geometry) of all fed primitives.
+            It is used to create the shadow of 3D objects which consists of 2D geometry. It needs quite
+            some data to do so since we do not only offer flat projected 2D shadow, but also projections
+            dependent on the light source
+         */
+        class Shadow3DExtractingProcessor final : public BaseProcessor3D
+        {
+        private:
+            /// result holding vector (2D) and target vector for stacking (inited to &maPrimitive2DSequence)
+            primitive2d::Primitive2DContainer                  maPrimitive2DSequence;
+            primitive2d::Primitive2DContainer*                 mpPrimitive2DSequence;
+
+            /// object transformation for scene for 2d definition
+            basegfx::B2DHomMatrix                           maObjectTransformation;
+
+            /// prepared data (transformations) for 2D/3D shadow calculations
+            basegfx::B3DHomMatrix                           maWorldToEye;
+            basegfx::B3DHomMatrix                           maEyeToView;
+            basegfx::B3DVector                              maLightNormal;
+            basegfx::B3DVector                              maShadowPlaneNormal;
+            basegfx::B3DPoint                               maPlanePoint;
+            double                                          mfLightPlaneScalar;
+
+            /// flag if shadow plane projection preparation led to valid results
+            bool                                            mbShadowProjectionIsValid : 1;
+
+            /// flag if conversion is switched on
+            bool                                            mbConvert : 1;
+
+            /// flag if conversion shall use projection
+            bool                                            mbUseProjection : 1;
+
+            /// local helpers
+            basegfx::B2DPolygon impDoShadowProjection(const basegfx::B3DPolygon& rSource);
+            basegfx::B2DPolyPolygon impDoShadowProjection(const basegfx::B3DPolyPolygon& rSource);
+
+            /*  as tooling, the process() implementation takes over API handling and calls this
+                virtual render method when the primitive implementation is BasePrimitive3D-based.
+             */
+            virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) override;
+
+        public:
+            Shadow3DExtractingProcessor(
+                const geometry::ViewInformation3D& rViewInformation,
+                const basegfx::B2DHomMatrix& rObjectTransformation,
+                const basegfx::B3DVector& rLightNormal,
+                double fShadowSlant,
+                const basegfx::B3DRange& rContained3DRange);
+            virtual ~Shadow3DExtractingProcessor() override;
+
+            /// data read access
+            const primitive2d::Primitive2DContainer& getPrimitive2DSequence() const;
+            const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+            const basegfx::B3DHomMatrix& getWorldToEye() const { return maWorldToEye; }
+        };
+    } // end of namespace processor3d
+} // end of namespace drawinglayer
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx b/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx
new file mode 100644
index 000000000..9a0b422ac
--- /dev/null
+++ b/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx
@@ -0,0 +1,96 @@
+/* -*- 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 <processor3d/defaultprocessor3d.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <memory>
+
+namespace basegfx {
+    class BZPixelRaster;
+}
+
+namespace drawinglayer {
+    namespace attribute {
+        class SdrSceneAttribute;
+        class SdrLightingAttribute;
+        class MaterialAttribute3D;
+    }
+}
+
+class ZBufferRasterConverter3D;
+class RasterPrimitive3D;
+
+namespace drawinglayer
+{
+    namespace processor3d
+    {
+        /**
+            This 3D renderer derived from DefaultProcessor3D renders all fed primitives to a 2D
+            raster bitmap using a Z-Buffer based approach. It is able to supersample and to handle
+            transparent content.
+         */
+        class ZBufferProcessor3D final : public DefaultProcessor3D
+        {
+        private:
+            /// inverse of EyeToView for rasterconversion with evtl. Phong shading
+            basegfx::B3DHomMatrix maInvEyeToView;
+
+            /// The raster converter for Z-Buffer
+            std::unique_ptr<ZBufferRasterConverter3D> mpZBufferRasterConverter3D;
+
+            /*  AA value. Defines how many oversamples will be used in X and Y. Values 0, 1
+                will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create
+              */
+            sal_uInt16 mnAntiAlialize;
+
+            /*  remembered RasterPrimitive3D's which need to be painted back to front
+                for transparent 3D parts
+             */
+            std::unique_ptr<std::vector< RasterPrimitive3D >> mpRasterPrimitive3Ds;
+
+            sal_uInt32 mnStartLine;
+            sal_uInt32 mnStopLine;
+
+            // rasterconversions for filled and non-filled polygons
+
+            virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const override;
+            virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const override;
+
+        public:
+            ZBufferProcessor3D(
+                const geometry::ViewInformation3D& rViewInformation3D,
+                const attribute::SdrSceneAttribute& rSdrSceneAttribute,
+                const attribute::SdrLightingAttribute& rSdrLightingAttribute,
+                const basegfx::B2DRange& rVisiblePart,
+                sal_uInt16 nAntiAlialize,
+                double fFullViewSizeX,
+                double fFullViewSizeY,
+                basegfx::BZPixelRaster& rBZPixelRaster,
+                sal_uInt32 nStartLine,
+                sal_uInt32 nStopLine);
+            virtual ~ZBufferProcessor3D() override;
+
+            void finish();
+        };
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */