diff options
Diffstat (limited to '')
| -rw-r--r-- | drawinglayer/inc/processor3d/defaultprocessor3d.hxx | 137 | ||||
| -rw-r--r-- | drawinglayer/inc/processor3d/geometry2dextractor.hxx | 66 | ||||
| -rw-r--r-- | drawinglayer/inc/processor3d/shadow3dextractor.hxx | 95 | ||||
| -rw-r--r-- | drawinglayer/inc/processor3d/zbufferprocessor3d.hxx | 93 |
4 files changed, 391 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: */ diff --git a/drawinglayer/inc/processor3d/geometry2dextractor.hxx b/drawinglayer/inc/processor3d/geometry2dextractor.hxx new file mode 100644 index 000000000..e490ecfc5 --- /dev/null +++ b/drawinglayer/inc/processor3d/geometry2dextractor.hxx @@ -0,0 +1,66 @@ +/* -*- 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 <drawinglayer/primitive2d/Primitive2DContainer.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/color/bcolormodifier.hxx> + + +namespace drawinglayer::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 drawinglayer::processor3d + + +/* 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..9fa877fec --- /dev/null +++ b/drawinglayer/inc/processor3d/shadow3dextractor.hxx @@ -0,0 +1,95 @@ +/* -*- 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 <drawinglayer/primitive2d/Primitive2DContainer.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::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 drawinglayer::processor3d + +/* 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..4207a6fcd --- /dev/null +++ b/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx @@ -0,0 +1,93 @@ +/* -*- 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::attribute { + class SdrSceneAttribute; + class SdrLightingAttribute; + class MaterialAttribute3D; +} + + +class ZBufferRasterConverter3D; +class RasterPrimitive3D; + +namespace drawinglayer::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 + */ + mutable std::vector< RasterPrimitive3D > maRasterPrimitive3Ds; + + 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: */ |