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Diffstat (limited to 'cppcanvas/source/inc/implrenderer.hxx')
| -rw-r--r-- | cppcanvas/source/inc/implrenderer.hxx | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/cppcanvas/source/inc/implrenderer.hxx b/cppcanvas/source/inc/implrenderer.hxx new file mode 100644 index 000000000000..8c1f7941abc4 --- /dev/null +++ b/cppcanvas/source/inc/implrenderer.hxx @@ -0,0 +1,187 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _CPPCANVAS_IMPLRENDERER_HXX +#define _CPPCANVAS_IMPLRENDERER_HXX + +#include <sal/types.h> + +#ifndef BOOST_SHARED_PTR_HPP_INCLUDED +#include <boost/shared_ptr.hpp> +#endif +#include <cppcanvas/renderer.hxx> +#include <cppcanvas/canvas.hxx> + +#include <canvasgraphichelper.hxx> +#include <action.hxx> + +#include <vector> + +class GDIMetaFile; +class VirtualDevice; +class Gradient; +class BitmapEx; +class MapMode; +class Size; + +namespace basegfx { + class B2DPolyPolygon; + class B2DPolygon; +} + +namespace cppcanvas +{ + + namespace internal + { + struct OutDevState; + struct ActionFactoryParameters; + + // state stack of OutputDevice, to correctly handle + // push/pop actions + typedef ::std::vector< OutDevState > VectorOfOutDevStates; + + class ImplRenderer : public virtual Renderer, protected CanvasGraphicHelper + { + public: + ImplRenderer( const CanvasSharedPtr& rCanvas, + const GDIMetaFile& rMtf, + const Parameters& rParms ); + ImplRenderer( const CanvasSharedPtr& rCanvas, + const BitmapEx& rBmpEx, + const Parameters& rParms ); + + virtual ~ImplRenderer(); + + virtual bool draw() const; + virtual bool drawSubset( sal_Int32 nStartIndex, + sal_Int32 nEndIndex ) const; + virtual ::basegfx::B2DRange getSubsetArea( sal_Int32 nStartIndex, + sal_Int32 nEndIndex ) const; + + + // element of the Renderer's action vector. Need to be + // public, since some functors need it, too. + struct MtfAction + { + MtfAction( const ActionSharedPtr& rAction, + sal_Int32 nOrigIndex ) : + mpAction( rAction ), + mnOrigIndex( nOrigIndex ) + { + } + + ActionSharedPtr mpAction; + sal_Int32 mnOrigIndex; + }; + + // prefetched and prepared canvas actions + // (externally not visible) + typedef ::std::vector< MtfAction > ActionVector; + + + private: + // default: disabled copy/assignment + ImplRenderer(const ImplRenderer&); + ImplRenderer& operator=( const ImplRenderer& ); + + void updateClipping( const ::basegfx::B2DPolyPolygon& rClipPoly, + const ActionFactoryParameters& rParms, + bool bIntersect ); + + void updateClipping( const ::Rectangle& rClipRect, + const ActionFactoryParameters& rParms, + bool bIntersect ); + + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XCanvasFont > createFont( double& o_rFontRotation, + const ::Font& rFont, + const ActionFactoryParameters& rParms ) const; + bool createActions( GDIMetaFile& rMtf, + const ActionFactoryParameters& rParms, + bool bSubsettableActions ); + bool createFillAndStroke( const ::basegfx::B2DPolyPolygon& rPolyPoly, + const ActionFactoryParameters& rParms ); + bool createFillAndStroke( const ::basegfx::B2DPolygon& rPoly, + const ActionFactoryParameters& rParms ); + void skipContent( GDIMetaFile& rMtf, + const char* pCommentString, + sal_Int32& io_rCurrActionIndex ) const; + + bool isActionContained( GDIMetaFile& rMtf, + const char* pCommentString, + USHORT nType ) const; + + void createGradientAction( const ::PolyPolygon& rPoly, + const ::Gradient& rGradient, + const ActionFactoryParameters& rParms, + bool bIsPolygonRectangle, + bool bSubsettableActions ); + + void createTextAction( const ::Point& rStartPoint, + const String rString, + int nIndex, + int nLength, + const sal_Int32* pCharWidths, + const ActionFactoryParameters& rParms, + bool bSubsettable ); + + bool getSubsetIndices( sal_Int32& io_rStartIndex, + sal_Int32& io_rEndIndex, + ActionVector::const_iterator& o_rRangeBegin, + ActionVector::const_iterator& o_rRangeEnd ) const; + + + ActionVector maActions; + }; + + + /// Common parameters when creating actions + struct ActionFactoryParameters + { + ActionFactoryParameters( VectorOfOutDevStates& rStates, + const CanvasSharedPtr& rCanvas, + ::VirtualDevice& rVDev, + const Renderer::Parameters& rParms, + sal_Int32& io_rCurrActionIndex ) : + mrStates(rStates), + mrCanvas(rCanvas), + mrVDev(rVDev), + mrParms(rParms), + mrCurrActionIndex(io_rCurrActionIndex) + {} + + VectorOfOutDevStates& mrStates; + const CanvasSharedPtr& mrCanvas; + ::VirtualDevice& mrVDev; + const Renderer::Parameters& mrParms; + sal_Int32& mrCurrActionIndex; + }; + } +} + +#endif /* _CPPCANVAS_IMPLRENDERER_HXX */ |