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| -rw-r--r-- | drawinglayer/source/processor3d/geometry2dextractor.cxx | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/drawinglayer/source/processor3d/geometry2dextractor.cxx b/drawinglayer/source/processor3d/geometry2dextractor.cxx new file mode 100644 index 000000000..568496bb9 --- /dev/null +++ b/drawinglayer/source/processor3d/geometry2dextractor.cxx @@ -0,0 +1,153 @@ +/* -*- 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 . + */ + +#include <processor3d/geometry2dextractor.hxx> +#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx> +#include <drawinglayer/primitive3d/transformprimitive3d.hxx> +#include <drawinglayer/primitive3d/modifiedcolorprimitive3d.hxx> +#include <drawinglayer/primitive3d/polygonprimitive3d.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx> +#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> +#include <primitive3d/textureprimitive3d.hxx> + + +using namespace com::sun::star; + + +namespace drawinglayer::processor3d +{ + // as tooling, the process() implementation takes over API handling and calls this + // virtual render method when the primitive implementation is BasePrimitive3D-based. + void Geometry2DExtractingProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) + { + // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch + switch(rCandidate.getPrimitive3DID()) + { + case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D : + { + // transform group. Remember current transformations + const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate); + const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D()); + + // create new transformation; add new object transform from right side + const geometry::ViewInformation3D aNewViewInformation3D( + aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(), + aLastViewInformation3D.getOrientation(), + aLastViewInformation3D.getProjection(), + aLastViewInformation3D.getDeviceToView(), + aLastViewInformation3D.getViewTime(), + aLastViewInformation3D.getExtendedInformationSequence()); + updateViewInformation(aNewViewInformation3D); + + // let break down recursively + process(rPrimitive.getChildren()); + + // restore transformations + updateViewInformation(aLastViewInformation3D); + break; + } + case PRIMITIVE3D_ID_MODIFIEDCOLORPRIMITIVE3D : + { + // ModifiedColorPrimitive3D; push, process and pop + const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate = static_cast< const primitive3d::ModifiedColorPrimitive3D& >(rCandidate); + const primitive3d::Primitive3DContainer& rSubSequence = rModifiedCandidate.getChildren(); + + if(!rSubSequence.empty()) + { + maBColorModifierStack.push(rModifiedCandidate.getColorModifier()); + process(rModifiedCandidate.getChildren()); + maBColorModifierStack.pop(); + } + break; + } + case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D : + { + // PolygonHairlinePrimitive3D + const primitive3d::PolygonHairlinePrimitive3D& rPrimitive = static_cast< const primitive3d::PolygonHairlinePrimitive3D& >(rCandidate); + basegfx::B2DPolygon a2DHairline(basegfx::utils::createB2DPolygonFromB3DPolygon(rPrimitive.getB3DPolygon(), getViewInformation3D().getObjectToView())); + + if(a2DHairline.count()) + { + a2DHairline.transform(getObjectTransformation()); + const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor())); + const primitive2d::Primitive2DReference xRef(new primitive2d::PolygonHairlinePrimitive2D(a2DHairline, aModifiedColor)); + maPrimitive2DSequence.push_back(xRef); + } + break; + } + case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D : + { + // PolyPolygonMaterialPrimitive3D + const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate); + basegfx::B2DPolyPolygon a2DFill(basegfx::utils::createB2DPolyPolygonFromB3DPolyPolygon(rPrimitive.getB3DPolyPolygon(), getViewInformation3D().getObjectToView())); + + if(a2DFill.count()) + { + a2DFill.transform(getObjectTransformation()); + const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(rPrimitive.getMaterial().getColor())); + const primitive2d::Primitive2DReference xRef(new primitive2d::PolyPolygonColorPrimitive2D(a2DFill, aModifiedColor)); + maPrimitive2DSequence.push_back(xRef); + } + break; + } + case PRIMITIVE3D_ID_GRADIENTTEXTUREPRIMITIVE3D : + case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D : + case PRIMITIVE3D_ID_BITMAPTEXTUREPRIMITIVE3D : + case PRIMITIVE3D_ID_TRANSPARENCETEXTUREPRIMITIVE3D : + case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D : + { + // TexturePrimitive3D: Process children, do not try to decompose + const primitive3d::TexturePrimitive3D& rTexturePrimitive = static_cast< const primitive3d::TexturePrimitive3D& >(rCandidate); + const primitive3d::Primitive3DContainer& aChildren(rTexturePrimitive.getChildren()); + + if(!aChildren.empty()) + { + process(aChildren); + } + break; + } + case PRIMITIVE3D_ID_SHADOWPRIMITIVE3D : + { + // accept but ignore labels and shadow; these should be extracted separately + break; + } + default : + { + // process recursively + process(rCandidate.get3DDecomposition(getViewInformation3D())); + break; + } + } + } + + Geometry2DExtractingProcessor::Geometry2DExtractingProcessor( + const geometry::ViewInformation3D& rViewInformation, + const basegfx::B2DHomMatrix& rObjectTransformation) + : BaseProcessor3D(rViewInformation), + maObjectTransformation(rObjectTransformation), + maBColorModifierStack() + { + } + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |