1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _CAIROCANVAS_CAIRO_HXX 25 #define _CAIROCANVAS_CAIRO_HXX 26 27 #include <sal/config.h> 28 #include <boost/shared_ptr.hpp> 29 30 struct SystemEnvData; 31 struct BitmapSystemData; 32 struct SystemGraphicsData; 33 class VirtualDevice; 34 class OutputDevice; 35 class Window; 36 class Size; 37 38 #include <cairo.h> //cannot be inside a namespace, otherwise Quartz fails to compile. 39 40 namespace cairo { 41 typedef cairo_t Cairo; 42 typedef cairo_matrix_t Matrix; 43 typedef cairo_format_t Format; 44 typedef cairo_content_t Content; 45 typedef cairo_pattern_t Pattern; 46 47 typedef boost::shared_ptr<cairo_surface_t> CairoSurfaceSharedPtr; 48 typedef boost::shared_ptr<Cairo> CairoSharedPtr; 49 50 const SystemEnvData* GetSysData(const Window *pOutputWindow); 51 52 /** Cairo surface interface 53 54 For each cairo-supported platform, there's an implementation of 55 this interface 56 */ 57 struct Surface 58 { 59 public: ~Surfacecairo::Surface60 virtual ~Surface() {} 61 62 // Query methods 63 virtual CairoSharedPtr getCairo() const = 0; 64 virtual CairoSurfaceSharedPtr getCairoSurface() const = 0; 65 virtual boost::shared_ptr<Surface> getSimilar( Content aContent, int width, int height ) const = 0; 66 67 /// factory for VirDev on this surface 68 virtual boost::shared_ptr<VirtualDevice> createVirtualDevice() const = 0; 69 70 /// Resize the surface (possibly destroying content) 71 virtual void Resize( int width, int height ) = 0; 72 73 /// Flush all pending output to surface 74 virtual void flush() const = 0; 75 }; 76 77 typedef boost::shared_ptr<Surface> SurfaceSharedPtr; 78 79 /// Create Surface from given cairo surface 80 SurfaceSharedPtr createSurface( const CairoSurfaceSharedPtr& rSurface ); 81 /// Create surface with given dimensions 82 SurfaceSharedPtr createSurface( const OutputDevice& rRefDevice, 83 int x, int y, int width, int height ); 84 /// Create Surface for given bitmap data 85 SurfaceSharedPtr createBitmapSurface( const OutputDevice& rRefDevice, 86 const BitmapSystemData& rData, 87 const Size& rSize ); 88 89 /// Check whether cairo will work on given window 90 bool IsCairoWorking( OutputDevice* ); 91 } 92 93 #endif 94