| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _CAIROCANVAS_XLIB_CAIRO_HXX |
| #define _CAIROCANVAS_XLIB_CAIRO_HXX |
| |
| #include "cairo_cairo.hxx" |
| |
| struct SystemEnvData; |
| struct SystemGraphicsData; |
| |
| namespace cairo { |
| |
| /// Holds all X11-output relevant data |
| struct X11SysData |
| { |
| X11SysData(); |
| explicit X11SysData( const SystemGraphicsData& ); |
| explicit X11SysData( const SystemEnvData& ); |
| |
| void* pDisplay; // the relevant display connection |
| long hDrawable; // a drawable |
| void* pVisual; // the visual in use |
| int nScreen; // the current screen of the drawable |
| int nDepth; // depth of said visual |
| long aColormap; // the colormap being used |
| void* pRenderFormat; // render format for drawable |
| }; |
| |
| /// RAII wrapper for a pixmap |
| struct X11Pixmap |
| { |
| void* mpDisplay; // the relevant display connection |
| long mhDrawable; // a drawable |
| |
| X11Pixmap( long hDrawable, void* pDisplay ) : |
| mpDisplay(pDisplay), |
| mhDrawable(hDrawable) |
| {} |
| |
| ~X11Pixmap(); |
| |
| void clear() { mpDisplay=NULL; mhDrawable=0; } |
| }; |
| |
| typedef boost::shared_ptr<X11Pixmap> X11PixmapSharedPtr; |
| |
| class X11Surface : public Surface |
| { |
| const X11SysData maSysData; |
| X11PixmapSharedPtr mpPixmap; |
| CairoSurfaceSharedPtr mpSurface; |
| |
| X11Surface( const X11SysData& rSysData, const X11PixmapSharedPtr& rPixmap, const CairoSurfaceSharedPtr& pSurface ); |
| |
| public: |
| /// takes over ownership of passed cairo_surface |
| explicit X11Surface( const CairoSurfaceSharedPtr& pSurface ); |
| /// create surface on subarea of given drawable |
| X11Surface( const X11SysData& rSysData, int x, int y, int width, int height ); |
| /// create surface for given bitmap data |
| X11Surface( const X11SysData& rSysData, const BitmapSystemData& rBmpData ); |
| |
| // Surface interface |
| virtual CairoSharedPtr getCairo() const; |
| virtual CairoSurfaceSharedPtr getCairoSurface() const { return mpSurface; } |
| virtual SurfaceSharedPtr getSimilar( Content aContent, int width, int height ) const; |
| |
| virtual boost::shared_ptr<VirtualDevice> createVirtualDevice() const; |
| |
| virtual void Resize( int width, int height ); |
| |
| virtual void flush() const; |
| |
| int getDepth() const; |
| X11PixmapSharedPtr getPixmap() const { return mpPixmap; } |
| void* getRenderFormat() const { return maSysData.pRenderFormat; } |
| long getDrawable() const { return mpPixmap ? mpPixmap->mhDrawable : maSysData.hDrawable; } |
| }; |
| } |
| |
| #endif |