canvas/source/cairo/cairo_canvasbitmap.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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 INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX
  21 #define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX
  22
  23 #include <cppuhelper/compbase4.hxx>
  24
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26 #include <com/sun/star/rendering/XBitmapCanvas.hpp>
  27 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
  28 #include <com/sun/star/beans/XFastPropertySet.hpp>
  29 #include <comphelper/uno3.hxx>
  30
  31 #include <basegfx/vector/b2isize.hxx>
  32
  33 #include <boost/shared_ptr.hpp>
  34
  35 #include <canvas/base/basemutexhelper.hxx>
  36 #include <canvas/base/integerbitmapbase.hxx>
  37
  38 #include "cairo_canvashelper.hxx"
  39 #include "cairo_repainttarget.hxx"
  40 #include "cairo_spritecanvas.hxx"
  41
  42
  43 /* Definition of CanvasBitmap class */
  44
  45 namespace cairocanvas
  46 {
  47     typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XBitmapCanvas,
  48                                               ::com::sun::star::rendering::XIntegerBitmap,
  49                                               ::com::sun::star::lang::XServiceInfo,
  50                                               ::com::sun::star::beans::XFastPropertySet >   CanvasBitmapBase_Base;
  51     class CanvasBitmapSpriteSurface_Base :
  52         public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
  53         public SurfaceProvider
  54     {
  55     };
  56
  57     typedef ::canvas::IntegerBitmapBase<
  58         canvas::BitmapCanvasBase2<
  59             CanvasBitmapSpriteSurface_Base,
  60             CanvasHelper,
  61             ::osl::MutexGuard,
  62             ::cppu::OWeakObject> > CanvasBitmap_Base;
  63
  64     class CanvasBitmap : public CanvasBitmap_Base,
  65                          public RepaintTarget
  66     {
  67     public:
  68         /** Create a canvas bitmap for the given surface
  69
  70             @param rSize
  71             Size of the bitmap
  72
  73             @param rDevice
  74             Reference device, with which bitmap should be compatible
  75         */
  76         CanvasBitmap( const ::basegfx::B2ISize& rSize,
  77                       const SurfaceProviderRef& rDevice,
  78                       ::com::sun::star::rendering::XGraphicDevice* pDevice,
  79                       bool                      bHasAlpha );
  80
  81         /// Dispose all internal references
  82         virtual void disposeThis() SAL_OVERRIDE;
  83
  84         // Forwarding the XComponent implementation to the
  85         // cppu::ImplHelper templated base
  86         //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
  87         //                                       |                 |                            |
  88         //                                       V                 V                            V
  89         DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase )
  90
  91         // XServiceInfo
  92         virtual OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  93         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  94         virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  95
  96         // SurfaceProvider
  97         virtual ::cairo::SurfaceSharedPtr getSurface() SAL_OVERRIDE;
  98         virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent = CAIRO_CONTENT_COLOR_ALPHA ) SAL_OVERRIDE;
  99         virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) SAL_OVERRIDE;
 100         virtual ::cairo::SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ) SAL_OVERRIDE;
 101         virtual OutputDevice* getOutputDevice() SAL_OVERRIDE;
 102
 103         // RepaintTarget
 104         virtual bool repaint( const ::cairo::SurfaceSharedPtr&                pSurface,
 105                               const ::com::sun::star::rendering::ViewState&   viewState,
 106                               const ::com::sun::star::rendering::RenderState& renderState ) SAL_OVERRIDE;
 107
 108         // XFastPropertySet
 109         // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
 110         // handle values have these meanings:
 111         // 0 ... get pointer to BitmapEx
 112         // 1 ... get X pixmap handle to rgb content
 113         // 2 ... get X pitmap handle to alpha mask
 114         // returned any contains either BitmapEx pointer or array of three Any value
 115         //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
 116         //     2nd the pixmap handle
 117         //     3rd the pixmap depth
 118         virtual ::com::sun::star::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle)  throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 119         virtual void SAL_CALL setFastPropertyValue(sal_Int32, const ::com::sun::star::uno::Any&)  throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE {}
 120
 121     private:
 122         SurfaceProviderRef        mpSurfaceProvider;
 123         ::cairo::SurfaceSharedPtr mpBufferSurface;
 124         ::cairo::CairoSharedPtr   mpBufferCairo;
 125
 126         const ::basegfx::B2ISize  maSize;
 127         const bool                mbHasAlpha;
 128     };
 129 }
 130
 131 #endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */