canvas/source/cairo/cairo_spritedevicehelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_canvas.hxx"
  33
  34 #include <canvas/debug.hxx>
  35 #include <canvas/verbosetrace.hxx>
  36 #include <canvas/canvastools.hxx>
  37
  38 #include <osl/mutex.hxx>
  39 #include <cppuhelper/compbase1.hxx>
  40
  41 #include <com/sun/star/lang/NoSupportException.hpp>
  42
  43 #include <toolkit/helper/vclunohelper.hxx>
  44 #include <basegfx/tools/canvastools.hxx>
  45 #include <basegfx/tools/unopolypolygon.hxx>
  46
  47 #include <vcl/syschild.hxx>
  48 #include <vcl/canvastools.hxx>
  49
  50 #include "cairo_spritecanvas.hxx"
  51 #include "cairo_canvasbitmap.hxx"
  52 #include "cairo_devicehelper.hxx"
  53 #include "cairo_cairo.hxx"
  54
  55 using namespace ::cairo;
  56 using namespace ::com::sun::star;
  57
  58 namespace cairocanvas
  59 {
  60
  61     SpriteDeviceHelper::SpriteDeviceHelper() :
  62         mpSpriteCanvas( NULL ),
  63         mpBufferSurface(),
  64         maSize(),
  65         mbFullScreen( false )
  66     {}
  67
  68     void SpriteDeviceHelper::init( Window&                   rOutputWindow,
  69                                    SpriteCanvas&                         rSpriteCanvas,
  70                                    const ::basegfx::B2ISize& rSize,
  71                                    bool                      bFullscreen )
  72     {
  73         DeviceHelper::init(rSpriteCanvas,
  74                            rOutputWindow);
  75
  76         mpSpriteCanvas = &rSpriteCanvas;
  77         mbFullScreen = bFullscreen;
  78
  79         setSize( rSize );
  80     }
  81
  82     void SpriteDeviceHelper::disposing()
  83     {
  84         // release all references
  85         mpBufferSurface.reset();
  86         mpSpriteCanvas = NULL;
  87     }
  88
  89     ::sal_Int32 SpriteDeviceHelper::createBuffers( ::sal_Int32 /*nBuffers*/ )
  90     {
  91         // TODO(F3): implement XBufferStrategy interface. For now, we
  92         // _always_ will have exactly one backbuffer
  93         return 1;
  94     }
  95
  96     void SpriteDeviceHelper::destroyBuffers()
  97     {
  98         // TODO(F3): implement XBufferStrategy interface. For now, we
  99         // _always_ will have exactly one backbuffer
 100     }
 101
 102     ::sal_Bool SpriteDeviceHelper::showBuffer( bool, ::sal_Bool )
 103     {
 104         OSL_ENSURE(false,"Not supposed to be called, handled by SpriteCanvas");
 105         return sal_False;
 106     }
 107
 108     ::sal_Bool SpriteDeviceHelper::switchBuffer( bool, ::sal_Bool )
 109     {
 110         OSL_ENSURE(false,"Not supposed to be called, handled by SpriteCanvas");
 111         return sal_False;
 112     }
 113
 114     uno::Any SpriteDeviceHelper::isAccelerated() const
 115     {
 116         return ::com::sun::star::uno::makeAny(true);
 117     }
 118
 119     uno::Any SpriteDeviceHelper::getDeviceHandle() const
 120     {
 121         return DeviceHelper::getDeviceHandle();
 122     }
 123
 124     uno::Any SpriteDeviceHelper::getSurfaceHandle() const
 125     {
 126         return DeviceHelper::getSurfaceHandle();
 127     }
 128
 129     void SpriteDeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
 130     {
 131         OSL_TRACE("SpriteDeviceHelper::setSize(): device size %d x %d", rSize.getX(), rSize.getY() );
 132
 133         if( !mpSpriteCanvas )
 134             return; // disposed
 135
 136         DeviceHelper::setSize(rSize);
 137
 138         if( mpBufferSurface && maSize != rSize )
 139             mpBufferSurface.reset();
 140         if( !mpBufferSurface )
 141             mpBufferSurface = getWindowSurface()->getSimilar(
 142                 CAIRO_CONTENT_COLOR,
 143                 rSize.getX(), rSize.getY() );
 144
 145         if( maSize != rSize )
 146             maSize = rSize;
 147
 148         mpSpriteCanvas->setSizePixel( maSize );
 149     }
 150
 151     const ::basegfx::B2ISize& SpriteDeviceHelper::getSizePixel()
 152     {
 153         return maSize;
 154     }
 155
 156     void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
 157     {
 158         setSize( ::basegfx::B2ISize(rBounds.Width, rBounds.Height) );
 159     }
 160
 161     SurfaceSharedPtr SpriteDeviceHelper::getSurface()
 162     {
 163         return mpBufferSurface;
 164     }
 165
 166     SurfaceSharedPtr SpriteDeviceHelper::getBufferSurface()
 167     {
 168         return mpBufferSurface;
 169     }
 170
 171     SurfaceSharedPtr SpriteDeviceHelper::getWindowSurface()
 172     {
 173         return DeviceHelper::getSurface();
 174     }
 175
 176     SurfaceSharedPtr SpriteDeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, Content aContent )
 177     {
 178         if( mpBufferSurface )
 179             return mpBufferSurface->getSimilar( aContent, rSize.getX(), rSize.getY() );
 180
 181         return SurfaceSharedPtr();
 182     }
 183
 184     SurfaceSharedPtr SpriteDeviceHelper::createSurface( BitmapSystemData& rData, const Size& rSize )
 185     {
 186         if( getOutputDevice() )
 187             return createBitmapSurface( *getOutputDevice(), rData, rSize );
 188
 189         return SurfaceSharedPtr();
 190     }
 191
 192
 193     /** SpriteDeviceHelper::flush  Flush the platform native window
 194      *
 195      * Flushes the window by using the internally stored mpSysData.
 196      *
 197      **/
 198     void SpriteDeviceHelper::flush()
 199     {
 200         SurfaceSharedPtr pWinSurface=getWindowSurface();
 201         if( pWinSurface )
 202             pWinSurface->flush();
 203     }
 204 }