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_CANVAS_HXX_ 25 #define _CAIROCANVAS_CANVAS_HXX_ 26 27 #include <rtl/ref.hxx> 28 29 #include <com/sun/star/uno/XComponentContext.hpp> 30 #include <com/sun/star/beans/XPropertySet.hpp> 31 #include <com/sun/star/lang/XInitialization.hpp> 32 #include <com/sun/star/lang/XServiceInfo.hpp> 33 #include <com/sun/star/lang/XServiceName.hpp> 34 #include <com/sun/star/awt/XWindowListener.hpp> 35 #include <com/sun/star/util/XUpdatable.hpp> 36 #include <com/sun/star/rendering/XSpriteCanvas.hpp> 37 #include <com/sun/star/rendering/XIntegerBitmap.hpp> 38 #include <com/sun/star/rendering/XGraphicDevice.hpp> 39 #include <com/sun/star/rendering/XBufferController.hpp> 40 41 #include <cppuhelper/compbase7.hxx> 42 #include <comphelper/uno3.hxx> 43 44 #include <canvas/base/spritecanvasbase.hxx> 45 #include <canvas/base/basemutexhelper.hxx> 46 #include <canvas/base/bufferedgraphicdevicebase.hxx> 47 48 #include <basegfx/vector/b2isize.hxx> 49 50 #include "cairo_devicehelper.hxx" 51 #include "cairo_repainttarget.hxx" 52 #include "cairo_surfaceprovider.hxx" 53 #include "cairo_spritecanvashelper.hxx" 54 55 #define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas.Cairo" 56 #define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas.Cairo" 57 58 namespace cairocanvas 59 { 60 typedef ::cppu::WeakComponentImplHelper7< ::com::sun::star::rendering::XBitmapCanvas, 61 ::com::sun::star::rendering::XIntegerBitmap, 62 ::com::sun::star::rendering::XGraphicDevice, 63 ::com::sun::star::lang::XMultiServiceFactory, 64 ::com::sun::star::util::XUpdatable, 65 ::com::sun::star::beans::XPropertySet, 66 ::com::sun::star::lang::XServiceName > GraphicDeviceBase_Base; 67 typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >, 68 DeviceHelper, 69 ::osl::MutexGuard, 70 ::cppu::OWeakObject > CanvasBase_Base; 71 72 /** Mixin SurfaceProvider 73 74 Have to mixin the SurfaceProvider before deriving from 75 ::canvas::CanvasBase, as this template should already 76 implement some of those interface methods. 77 78 The reason why this appears kinda convoluted is the fact that 79 we cannot specify non-IDL types as WeakComponentImplHelperN 80 template args, and furthermore, don't want to derive 81 ::canvas::CanvasBase directly from 82 SurfaceProvider (because derivees of 83 ::canvas::CanvasBase have to explicitely forward the 84 XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) 85 anyway). 86 */ 87 class CanvasBaseSurfaceProvider_Base : public CanvasBase_Base, 88 public SurfaceProvider 89 { 90 }; 91 92 typedef ::canvas::IntegerBitmapBase< CanvasBaseSurfaceProvider_Base, 93 CanvasHelper, 94 ::osl::MutexGuard, 95 ::cppu::OWeakObject > CanvasBaseT; 96 97 /** Product of this component's factory. 98 99 The Canvas object combines the actual Window canvas with 100 the XGraphicDevice interface. This is because there's a 101 one-to-one relation between them, anyway, since each window 102 can have exactly one canvas and one associated 103 XGraphicDevice. And to avoid messing around with circular 104 references, this is implemented as one single object. 105 */ 106 class Canvas : public CanvasBaseT, 107 public RepaintTarget 108 { 109 public: 110 Canvas( const ::com::sun::star::uno::Sequence< 111 ::com::sun::star::uno::Any >& aArguments, 112 const ::com::sun::star::uno::Reference< 113 ::com::sun::star::uno::XComponentContext >& rxContext ); 114 115 void initialize(); 116 117 /// For resource tracking 118 ~Canvas(); 119 120 #if defined __SUNPRO_CC 121 using CanvasBaseT::disposing; 122 #endif 123 124 /// Dispose all internal references 125 virtual void SAL_CALL disposing(); 126 127 // Forwarding the XComponent implementation to the 128 // cppu::ImplHelper templated base 129 // Classname Base doing refcounting Base implementing the XComponent interface 130 // | | | 131 // V V V 132 DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas, GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase ); 133 134 // XServiceName 135 virtual ::rtl::OUString SAL_CALL getServiceName( ) throw (::com::sun::star::uno::RuntimeException); 136 137 // RepaintTarget 138 virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface, 139 const ::com::sun::star::rendering::ViewState& viewState, 140 const ::com::sun::star::rendering::RenderState& renderState ); 141 142 // SurfaceProvider 143 virtual SurfaceSharedPtr getSurface(); 144 virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA ); 145 virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ); 146 virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ); 147 virtual OutputDevice* getOutputDevice(); 148 149 private: 150 ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > maArguments; 151 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > mxComponentContext; 152 }; 153 154 typedef ::rtl::Reference< Canvas > CanvasRef; 155 } 156 157 #endif 158