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| -rw-r--r-- | drawinglayer/source/processor2d/contourextractor2d.cxx | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/contourextractor2d.cxx b/drawinglayer/source/processor2d/contourextractor2d.cxx new file mode 100644 index 000000000..8abec2f50 --- /dev/null +++ b/drawinglayer/source/processor2d/contourextractor2d.cxx @@ -0,0 +1,195 @@ +/* -*- 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 <drawinglayer/processor2d/contourextractor2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <drawinglayer/primitive2d/polygonprimitive2d.hxx> +#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> +#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <drawinglayer/primitive2d/metafileprimitive2d.hxx> +#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx> +#include <drawinglayer/primitive2d/maskprimitive2d.hxx> +#include <drawinglayer/primitive2d/transformprimitive2d.hxx> +#include <drawinglayer/primitive2d/sceneprimitive2d.hxx> + + +using namespace com::sun::star; + + +namespace drawinglayer::processor2d +{ + ContourExtractor2D::ContourExtractor2D( + const geometry::ViewInformation2D& rViewInformation, + bool bExtractFillOnly) + : BaseProcessor2D(rViewInformation), + maExtractedContour(), + mbExtractFillOnly(bExtractFillOnly) + { + } + + ContourExtractor2D::~ContourExtractor2D() + { + } + + void ContourExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) + { + switch(rCandidate.getPrimitive2DID()) + { + case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D : + { + if(!mbExtractFillOnly) + { + // extract hairline in world coordinates + const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate)); + basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon()); + aLocalPolygon.transform(getViewInformation2D().getObjectTransformation()); + + if(aLocalPolygon.isClosed()) + { + // line polygons need to be represented as open polygons to differentiate them + // from filled polygons + basegfx::utils::openWithGeometryChange(aLocalPolygon); + } + + maExtractedContour.emplace_back(aLocalPolygon); + } + break; + } + case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D : + { + // extract fill in world coordinates + const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate)); + basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon()); + aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation()); + maExtractedContour.push_back(aLocalPolyPolygon); + break; + } + case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D : + { + // extract BoundRect from bitmaps in world coordinates + const primitive2d::BitmapPrimitive2D& rBitmapCandidate(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate)); + basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rBitmapCandidate.getTransform()); + basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon()); + aPolygon.transform(aLocalTransform); + maExtractedContour.emplace_back(aPolygon); + break; + } + case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D : + { + // extract BoundRect from MetaFiles in world coordinates + const primitive2d::MetafilePrimitive2D& rMetaCandidate(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate)); + basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rMetaCandidate.getTransform()); + basegfx::B2DPolygon aPolygon(basegfx::utils::createUnitPolygon()); + aPolygon.transform(aLocalTransform); + maExtractedContour.emplace_back(aPolygon); + break; + } + case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D : + { + // sub-transparence group. Look at children + const primitive2d::TransparencePrimitive2D& rTransCandidate(static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate)); + process(rTransCandidate.getChildren()); + break; + } + case PRIMITIVE2D_ID_MASKPRIMITIVE2D : + { + // extract mask in world coordinates, ignore content + const primitive2d::MaskPrimitive2D& rMaskCandidate(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate)); + basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask()); + aMask.transform(getViewInformation2D().getObjectTransformation()); + maExtractedContour.push_back(aMask); + break; + } + case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D : + { + // remember current ViewInformation2D + const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate)); + const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D()); + + // create new local ViewInformation2D + const geometry::ViewInformation2D aViewInformation2D( + getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(), + getViewInformation2D().getViewTransformation(), + getViewInformation2D().getViewport(), + getViewInformation2D().getVisualizedPage(), + getViewInformation2D().getViewTime(), + getViewInformation2D().getExtendedInformationSequence()); + updateViewInformation(aViewInformation2D); + + // process content + process(rTransformCandidate.getChildren()); + + // restore transformations + updateViewInformation(aLastViewInformation2D); + + break; + } + case PRIMITIVE2D_ID_SCENEPRIMITIVE2D : + { + // 2D Scene primitive containing 3D stuff; extract 2D contour in world coordinates + const primitive2d::ScenePrimitive2D& rScenePrimitive2DCandidate(static_cast< const primitive2d::ScenePrimitive2D& >(rCandidate)); + const primitive2d::Primitive2DContainer xExtracted2DSceneGeometry(rScenePrimitive2DCandidate.getGeometry2D()); + const primitive2d::Primitive2DContainer xExtracted2DSceneShadow(rScenePrimitive2DCandidate.getShadow2D()); + + // process content + if(!xExtracted2DSceneGeometry.empty()) + { + process(xExtracted2DSceneGeometry); + } + + // process content + if(!xExtracted2DSceneShadow.empty()) + { + process(xExtracted2DSceneShadow); + } + + break; + } + case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D : + case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D : + case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D : + { + // ignorable primitives + break; + } + case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D : + case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D : + { + // primitives who's BoundRect will be added in world coordinates + basegfx::B2DRange aRange(rCandidate.getB2DRange(getViewInformation2D())); + if (!aRange.isEmpty()) + { + aRange.transform(getViewInformation2D().getObjectTransformation()); + maExtractedContour.emplace_back(basegfx::utils::createPolygonFromRect(aRange)); + } + break; + } + default : + { + // process recursively + process(rCandidate); + break; + } + } + } + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |