00001 /* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */ 00002 /* AbiWord 00003 * Copyright (C) 2008 Dominic Lachowicz 00004 * 00005 * This program is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU General Public License 00007 * as published by the Free Software Foundation; either version 2 00008 * of the License, or (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00018 * 02110-1301 USA. 00019 */ 00020 00021 #ifndef GR_CAIROIMAGE_H 00022 #define GR_CAIROIMAGE_H 00023 00024 #include <cairo.h> 00025 00026 #include "gr_CairoGraphics.h" 00027 #include "ut_bytebuf.h" 00028 #include "gr_UnixImage.h" 00029 #include <librsvg/rsvg.h> 00030 00031 // we need to add this define because of deprecations 00032 #define __RSVG_RSVG_H_INSIDE__ 00033 #include <librsvg/rsvg-cairo.h> 00034 #undef __RSVG_RSVG_H_INSIDE__ 00035 00036 class GR_RSVGVectorImage : public GR_CairoVectorImage { 00037 public: 00038 00039 GR_RSVGVectorImage(const char* name); 00040 virtual ~GR_RSVGVectorImage(); 00041 00042 virtual bool convertToBuffer(UT_ConstByteBufPtr & ppBB) const; 00043 virtual bool convertFromBuffer(const UT_ConstByteBufPtr & pBB, 00044 const std::string& mimetype, 00045 UT_sint32 iDisplayWidth, 00046 UT_sint32 iDisplayHeight); 00047 virtual void cairoSetSource(cairo_t *cr); 00048 virtual void scaleImageTo(GR_Graphics * pG, const UT_Rect & rec); 00049 00050 virtual bool hasAlpha(void) const; 00051 virtual bool isTransparentAt(UT_sint32 x, UT_sint32 y); 00052 virtual GR_Image * createImageSegment(GR_Graphics *pG, const UT_Rect &rec); 00053 00054 private: 00055 void reset(); 00056 void setupScale(UT_sint32 w, UT_sint32 h); 00057 void createSurface(cairo_t* cairo); 00058 void createImageSurface(); 00059 void renderToSurface(cairo_surface_t* surf); 00060 void renderToCairo(cairo_t *cr); 00061 00062 UT_ByteBufPtr m_data; 00063 RsvgDimensionData m_size; 00064 cairo_t* m_graphics; 00065 cairo_surface_t* m_surface; 00066 cairo_surface_t* m_image_surface; 00067 RsvgHandle* m_svg; 00068 double m_scaleX; 00069 double m_scaleY; 00070 bool m_needsNewSurface; 00071 GR_UnixImage * m_rasterImage; 00072 }; 00073 00074 #endif