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Diffstat (limited to 'drawinglayer/source/processor2d/vclmetafileprocessor2d.hxx')
-rw-r--r-- | drawinglayer/source/processor2d/vclmetafileprocessor2d.hxx | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/vclmetafileprocessor2d.hxx b/drawinglayer/source/processor2d/vclmetafileprocessor2d.hxx new file mode 100644 index 000000000..6b66a160b --- /dev/null +++ b/drawinglayer/source/processor2d/vclmetafileprocessor2d.hxx @@ -0,0 +1,217 @@ +/* -*- 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 <stack> + +#include "vclprocessor2d.hxx" +#include <com/sun/star/i18n/XBreakIterator.hpp> +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <vcl/pdfextoutdevdata.hxx> // vcl::PDFExtOutDevData support + +class GDIMetaFile; +namespace tools +{ +class Rectangle; +} +class Gradient; +class SvtGraphicFill; +class SvtGraphicStroke; + +namespace drawinglayer::attribute +{ +class FillGradientAttribute; +class LineAttribute; +class StrokeAttribute; +class LineStartEndAttribute; +} + +namespace drawinglayer::primitive2d +{ +class GraphicPrimitive2D; +class ControlPrimitive2D; +class TextHierarchyFieldPrimitive2D; +class TextHierarchyLinePrimitive2D; +class TextHierarchyBulletPrimitive2D; +class TextHierarchyParagraphPrimitive2D; +class TextHierarchyBlockPrimitive2D; +class TextSimplePortionPrimitive2D; +class PolygonHairlinePrimitive2D; +class PolygonStrokePrimitive2D; +class PolygonStrokeArrowPrimitive2D; +class PolyPolygonGraphicPrimitive2D; +class PolyPolygonHatchPrimitive2D; +class PolyPolygonGradientPrimitive2D; +class PolyPolygonColorPrimitive2D; +class MaskPrimitive2D; +class UnifiedTransparencePrimitive2D; +class TransparencePrimitive2D; +class ObjectInfoPrimitive2D; +class StructureTagPrimitive2D; +} + +namespace basegfx +{ +class BColor; +} + +namespace drawinglayer::processor2d +{ +/** VclMetafileProcessor2D class + + This processor derived from VclProcessor2D is the base class for rendering + all fed primitives to a classical VCL-Metafile, including all over the + time grown extra data in comments and PDF exception data creations. Also + printing needs some exception stuff. + + All in all it is needed to emulate the old ::paint output from the old + Drawinglayer as long as exporters and/or filters still use the Metafile + and the extra-data added to it (which can be seen mostly as 'extensions' + or simply as 'hacks'). + */ +class VclMetafileProcessor2D : public VclProcessor2D +{ +private: + tools::Rectangle impDumpToMetaFile(const primitive2d::Primitive2DContainer& rContent, + GDIMetaFile& o_rContentMetafile); + void + impConvertFillGradientAttributeToVCLGradient(Gradient& o_rVCLGradient, + const attribute::FillGradientAttribute& rFiGrAtt, + bool bIsTransparenceGradient) const; + void impStartSvtGraphicFill(SvtGraphicFill const* pSvtGraphicFill); + void impEndSvtGraphicFill(SvtGraphicFill const* pSvtGraphicFill); + std::unique_ptr<SvtGraphicStroke> + impTryToCreateSvtGraphicStroke(const basegfx::B2DPolygon& rB2DPolygon, + const basegfx::BColor* pColor, + const attribute::LineAttribute* pLineAttribute, + const attribute::StrokeAttribute* pStrokeAttribute, + const attribute::LineStartEndAttribute* pStart, + const attribute::LineStartEndAttribute* pEnd); + void impStartSvtGraphicStroke(SvtGraphicStroke const* pSvtGraphicStroke); + void impEndSvtGraphicStroke(SvtGraphicStroke const* pSvtGraphicStroke); + void popStructureElement(vcl::PDFWriter::StructElement eElem); + void popListItem(); + void popList(); + + void processGraphicPrimitive2D(const primitive2d::GraphicPrimitive2D& rGraphicPrimitive); + void processControlPrimitive2D(const primitive2d::ControlPrimitive2D& rControlPrimitive); + void processTextHierarchyFieldPrimitive2D( + const primitive2d::TextHierarchyFieldPrimitive2D& rFieldPrimitive); + void processTextHierarchyLinePrimitive2D( + const primitive2d::TextHierarchyLinePrimitive2D& rLinePrimitive); + void processTextHierarchyBulletPrimitive2D( + const primitive2d::TextHierarchyBulletPrimitive2D& rBulletPrimitive); + void processTextHierarchyParagraphPrimitive2D( + const primitive2d::TextHierarchyParagraphPrimitive2D& rParagraphPrimitive); + void processTextHierarchyBlockPrimitive2D( + const primitive2d::TextHierarchyBlockPrimitive2D& rBlockPrimitive); + void processTextSimplePortionPrimitive2D( + const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate); + void processPolygonHairlinePrimitive2D( + const primitive2d::PolygonHairlinePrimitive2D& rHairlinePrimitive); + void + processPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rStrokePrimitive); + void processPolygonStrokeArrowPrimitive2D( + const primitive2d::PolygonStrokeArrowPrimitive2D& rStrokeArrowPrimitive); + void processPolyPolygonGraphicPrimitive2D( + const primitive2d::PolyPolygonGraphicPrimitive2D& rBitmapCandidate); + void processPolyPolygonHatchPrimitive2D( + const primitive2d::PolyPolygonHatchPrimitive2D& rHatchCandidate); + void processPolyPolygonGradientPrimitive2D( + const primitive2d::PolyPolygonGradientPrimitive2D& rGradientCandidate); + void processPolyPolygonColorPrimitive2D( + const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate); + void processMaskPrimitive2D(const primitive2d::MaskPrimitive2D& rMaskCandidate); + void processUnifiedTransparencePrimitive2D( + const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate); + void processTransparencePrimitive2D( + const primitive2d::TransparencePrimitive2D& rTransparenceCandidate); + void + processObjectInfoPrimitive2D(const primitive2d::ObjectInfoPrimitive2D& rObjectInfoPrimitive2D); + void processStructureTagPrimitive2D( + const primitive2d::StructureTagPrimitive2D& rStructureTagCandidate); + void processPrimitive2DOnPixelProcessor(const primitive2d::BasePrimitive2D& rCandidate); + VclPtr<VirtualDevice> CreateBufferDevice(const basegfx::B2DRange& rCandidateRange, + geometry::ViewInformation2D& rViewInfo, + tools::Rectangle& rRectLogic, Size& rSizePixel) const; + + /// Convert the fWidth to the same space as its coordinates. + double getTransformedLineWidth(double fWidth) const; + + /// the current clipping tools::PolyPolygon from MaskPrimitive2D + basegfx::B2DPolyPolygon maClipPolyPolygon; + + /// the target MetaFile + GDIMetaFile* mpMetaFile; + + /* do not allow embedding SvtGraphicFills into each other, + use a counter to prevent that + */ + sal_uInt32 mnSvtGraphicFillCount; + + /// same for SvtGraphicStroke + sal_uInt32 mnSvtGraphicStrokeCount; + + /* hold the last unified transparence value to have it handy + on SvtGraphicStroke creation + */ + double mfCurrentUnifiedTransparence; + + /* break iterator support + made static so it only needs to be fetched once, even with many single + constructed VclMetafileProcessor2D. It's still incarnated on demand, + but exists for OOo runtime now by purpose. + */ + static css::uno::Reference<css::i18n::XBreakIterator> mxBreakIterator; + + /* vcl::PDFExtOutDevData support + For the first step, some extra actions at vcl::PDFExtOutDevData need to + be emulated with the VclMetafileProcessor2D. These are potentially temporarily + since PDF export may use PrimitiveSequences one day directly. + */ + vcl::PDFExtOutDevData* mpPDFExtOutDevData; + + // Remember the current OutlineLevel. This is used when tagged PDF export + // is used to create/write valid structured list entries using PDF statements + // like '/L', '/LI', 'LBody' instead of simple '/P' (Paragraph). + // The value -1 means 'no OutlineLevel' and values >= 0 express the level. + sal_Int16 mnCurrentOutlineLevel; + bool mbInListItem; + bool mbBulletPresent; + + std::stack<vcl::PDFWriter::StructElement> maListElements; + + primitive2d::StructureTagPrimitive2D const* mpCurrentStructureTag = nullptr; + +protected: + /* the local processor for BasePrimitive2D-Implementation based primitives, + called from the common process()-implementation + */ + virtual void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) override; + +public: + /// constructor/destructor + VclMetafileProcessor2D(const geometry::ViewInformation2D& rViewInformation, + OutputDevice& rOutDev); + virtual ~VclMetafileProcessor2D() override; +}; +} // end of namespace processor2d::drawinglayer + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |