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, 137 insertions, 0 deletions

diff --git a/drawinglayer/inc/processor3d/defaultprocessor3d.hxx b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
new file mode 100644
index 000000000..aace2ef87
--- /dev/null
+++ b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
@@ -0,0 +1,137 @@
+/* -*- 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>
+
+// 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::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;
+
+            /// 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; }
+        };
+
+} // end of namespace drawinglayer::processor3d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */