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Diffstat (limited to 'include/drawinglayer/processor2d/vclmetafileprocessor2d.hxx')
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1 files changed, 151 insertions, 0 deletions
diff --git a/include/drawinglayer/processor2d/vclmetafileprocessor2d.hxx b/include/drawinglayer/processor2d/vclmetafileprocessor2d.hxx new file mode 100644 index 000000000000..fa85105939c8 --- /dev/null +++ b/include/drawinglayer/processor2d/vclmetafileprocessor2d.hxx @@ -0,0 +1,151 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLMETAFILEPROCESSOR2D_HXX +#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLMETAFILEPROCESSOR2D_HXX + +#include <drawinglayer/drawinglayerdllapi.h> + +#include <drawinglayer/processor2d/vclprocessor2d.hxx> +#include <com/sun/star/i18n/XBreakIterator.hpp> +#include <basegfx/polygon/b2dpolypolygon.hxx> + +////////////////////////////////////////////////////////////////////////////// +// vcl::PDFExtOutDevData support + +#include <vcl/pdfextoutdevdata.hxx> + +////////////////////////////////////////////////////////////////////////////// +// predefines + +class GDIMetaFile; +class Rectangle; +class Gradient; +class SvtGraphicFill; +class SvtGraphicStroke; + +namespace drawinglayer { namespace attribute { + class FillGradientAttribute; + class LineAttribute; + class StrokeAttribute; + class LineStartEndAttribute; +}} + +namespace basegfx { + class BColor; +} + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace processor2d + { + /** VclMetafileProcessor2D class + + This processor derived from VclProcessor2D is the base class for rendering + all feeded 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 DRAWINGLAYER_DLLPUBLIC VclMetafileProcessor2D : public VclProcessor2D + { + private: + /// local helper(s) + Rectangle impDumpToMetaFile( + const primitive2d::Primitive2DSequence& rContent, + GDIMetaFile& o_rContentMetafile); + void impConvertFillGradientAttributeToVCLGradient( + Gradient& o_rVCLGradient, + const attribute::FillGradientAttribute& rFiGrAtt, + bool bIsTransparenceGradient); + void impStartSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill); + void impEndSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill); + 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* pSvtGraphicStroke); + void impEndSvtGraphicStroke(SvtGraphicStroke* pSvtGraphicStroke); + + /// Convert the fWidth to the same space as its coordinates. + double getTransformedLineWidth( double fWidth ) const; + + /// the current clipping 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 ::com::sun::star::uno::Reference< ::com::sun::star::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; + + protected: + /* the local processor for BasePrinitive2D-Implementation based primitives, + called from the common process()-implementation + */ + virtual void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate); + + public: + /// constructor/destructor + VclMetafileProcessor2D( + const geometry::ViewInformation2D& rViewInformation, + OutputDevice& rOutDev); + virtual ~VclMetafileProcessor2D(); + }; + } // end of namespace processor2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLMETAFILEPROCESSOR2D_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |