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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef _CAIROCANVAS_CANVAS_HXX_
21 : #define _CAIROCANVAS_CANVAS_HXX_
22 :
23 : #include <rtl/ref.hxx>
24 :
25 : #include <com/sun/star/uno/XComponentContext.hpp>
26 : #include <com/sun/star/beans/XPropertySet.hpp>
27 : #include <com/sun/star/lang/XInitialization.hpp>
28 : #include <com/sun/star/lang/XServiceInfo.hpp>
29 : #include <com/sun/star/lang/XServiceName.hpp>
30 : #include <com/sun/star/awt/XWindowListener.hpp>
31 : #include <com/sun/star/util/XUpdatable.hpp>
32 : #include <com/sun/star/rendering/XSpriteCanvas.hpp>
33 : #include <com/sun/star/rendering/XIntegerBitmap.hpp>
34 : #include <com/sun/star/rendering/XGraphicDevice.hpp>
35 : #include <com/sun/star/rendering/XBufferController.hpp>
36 :
37 : #include <cppuhelper/compbase7.hxx>
38 : #include <comphelper/uno3.hxx>
39 :
40 : #include <canvas/base/spritecanvasbase.hxx>
41 : #include <canvas/base/disambiguationhelper.hxx>
42 : #include <canvas/base/bufferedgraphicdevicebase.hxx>
43 :
44 : #include <basegfx/vector/b2isize.hxx>
45 :
46 : #include "cairo_devicehelper.hxx"
47 : #include "cairo_repainttarget.hxx"
48 : #include "cairo_surfaceprovider.hxx"
49 : #include "cairo_spritecanvashelper.hxx"
50 :
51 : #define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas.Cairo"
52 : #define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas.Cairo"
53 :
54 : namespace cairocanvas
55 : {
56 : typedef ::cppu::WeakComponentImplHelper7< ::com::sun::star::rendering::XBitmapCanvas,
57 : ::com::sun::star::rendering::XIntegerBitmap,
58 : ::com::sun::star::rendering::XGraphicDevice,
59 : ::com::sun::star::lang::XMultiServiceFactory,
60 : ::com::sun::star::util::XUpdatable,
61 : ::com::sun::star::beans::XPropertySet,
62 : ::com::sun::star::lang::XServiceName > GraphicDeviceBase_Base;
63 : typedef ::canvas::GraphicDeviceBase< ::canvas::DisambiguationHelper< GraphicDeviceBase_Base >,
64 : DeviceHelper,
65 : ::osl::MutexGuard,
66 : ::cppu::OWeakObject > CanvasBase_Base;
67 :
68 : /** Mixin SurfaceProvider
69 :
70 : Have to mixin the SurfaceProvider before deriving from
71 : ::canvas::CanvasBase, as this template should already
72 : implement some of those interface methods.
73 :
74 : The reason why this appears kinda convoluted is the fact that
75 : we cannot specify non-IDL types as WeakComponentImplHelperN
76 : template args, and furthermore, don't want to derive
77 : ::canvas::CanvasBase directly from
78 : SurfaceProvider (because derivees of
79 : ::canvas::CanvasBase have to explicitly forward the
80 : XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
81 : anyway).
82 : */
83 0 : class CanvasBaseSurfaceProvider_Base : public CanvasBase_Base,
84 : public SurfaceProvider
85 : {
86 : };
87 :
88 : typedef ::canvas::IntegerBitmapBase< CanvasBaseSurfaceProvider_Base,
89 : CanvasHelper,
90 : ::osl::MutexGuard,
91 : ::cppu::OWeakObject > CanvasBaseT;
92 :
93 : /** Product of this component's factory.
94 :
95 : The Canvas object combines the actual Window canvas with
96 : the XGraphicDevice interface. This is because there's a
97 : one-to-one relation between them, anyway, since each window
98 : can have exactly one canvas and one associated
99 : XGraphicDevice. And to avoid messing around with circular
100 : references, this is implemented as one single object.
101 : */
102 : class Canvas : public CanvasBaseT,
103 : public RepaintTarget
104 : {
105 : public:
106 : Canvas( const ::com::sun::star::uno::Sequence<
107 : ::com::sun::star::uno::Any >& aArguments,
108 : const ::com::sun::star::uno::Reference<
109 : ::com::sun::star::uno::XComponentContext >& rxContext );
110 :
111 : void initialize();
112 :
113 : /// For resource tracking
114 : ~Canvas();
115 :
116 : /// Dispose all internal references
117 : virtual void disposeThis();
118 :
119 : // Forwarding the XComponent implementation to the
120 : // cppu::ImplHelper templated base
121 : // Classname Base doing refcounting Base implementing the XComponent interface
122 : // | | |
123 : // V V V
124 0 : DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas, GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase );
125 :
126 : // XServiceName
127 : virtual OUString SAL_CALL getServiceName( ) throw (::com::sun::star::uno::RuntimeException);
128 :
129 : // RepaintTarget
130 : virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
131 : const ::com::sun::star::rendering::ViewState& viewState,
132 : const ::com::sun::star::rendering::RenderState& renderState );
133 :
134 : // SurfaceProvider
135 : virtual SurfaceSharedPtr getSurface();
136 : virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA );
137 : virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap );
138 : virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent );
139 : virtual OutputDevice* getOutputDevice();
140 :
141 : private:
142 : ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > maArguments;
143 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > mxComponentContext;
144 : };
145 :
146 : typedef ::rtl::Reference< Canvas > CanvasRef;
147 : }
148 :
149 : #endif
150 :
151 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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