137 lines
6.2 KiB
C++
137 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <drawinglayer/processor3d/baseprocessor3d.hxx>
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/color/bcolormodifier.hxx>
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// predefines
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namespace basegfx {
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class B3DPolygon;
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class B3DPolyPolygon;
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}
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namespace drawinglayer::attribute {
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class SdrSceneAttribute;
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class SdrLightingAttribute;
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class MaterialAttribute3D;
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}
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namespace drawinglayer::primitive3d {
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class PolygonHairlinePrimitive3D;
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class PolyPolygonMaterialPrimitive3D;
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class GradientTexturePrimitive3D;
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class HatchTexturePrimitive3D;
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class BitmapTexturePrimitive3D;
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class TransformPrimitive3D;
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class ModifiedColorPrimitive3D;
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}
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namespace drawinglayer::texture {
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class GeoTexSvx;
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}
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namespace drawinglayer::processor3d
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{
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/** DefaultProcessor3D class
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This processor renders all fed primitives to a 2D raster where for all
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primitives the two basic methods rasterconvertB3DPolygon for hairlines and
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rasterconvertB3DPolyPolygon for filled geometry is called. It is a baseclass to
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e.g. base a Z-Buffer supported renderer on the 3D primitive processing.
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*/
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class DefaultProcessor3D : public BaseProcessor3D
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{
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protected:
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/// read-only scene infos (normal handling, etc...)
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const attribute::SdrSceneAttribute& mrSdrSceneAttribute;
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/// read-only light infos (lights, etc...)
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const attribute::SdrLightingAttribute& mrSdrLightingAttribute;
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/// renderer range. Need to be correctly set by the derived implementations
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/// normally the (0, 0, W, H) range from mpBZPixelRaster
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basegfx::B2DRange maRasterRange;
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/// the modifiedColorPrimitive stack
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basegfx::BColorModifierStack maBColorModifierStack;
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/// the current active texture
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std::shared_ptr< texture::GeoTexSvx > mpGeoTexSvx;
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/// the current active transparence texture
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std::shared_ptr< texture::GeoTexSvx > mpTransparenceGeoTexSvx;
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/// counter for entered transparence textures
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sal_uInt32 mnTransparenceCounter;
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bool mbModulate : 1;
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bool mbFilter : 1;
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bool mbSimpleTextureActive : 1;
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// rendering support
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void impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence);
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void impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive);
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void impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive);
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void impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate);
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void impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive) const;
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void impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive) const;
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void impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate);
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// rasterconversions for filled and non-filled polygons. These NEED to be
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// implemented from derivations
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virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const = 0;
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virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const = 0;
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// the processing method for a single, known primitive
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virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive) override;
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public:
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DefaultProcessor3D(
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const geometry::ViewInformation3D& rViewInformation,
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const attribute::SdrSceneAttribute& rSdrSceneAttribute,
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const attribute::SdrLightingAttribute& rSdrLightingAttribute);
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virtual ~DefaultProcessor3D() override;
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/// data read access
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const attribute::SdrSceneAttribute& getSdrSceneAttribute() const { return mrSdrSceneAttribute; }
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const attribute::SdrLightingAttribute& getSdrLightingAttribute() const { return mrSdrLightingAttribute; }
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/// data read access renderer stuff
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const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
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const std::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
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const std::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
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sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
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bool getModulate() const { return mbModulate; }
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bool getFilter() const { return mbFilter; }
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bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
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};
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} // end of namespace drawinglayer::processor3d
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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