canvas/source/cairo/cairo_canvascustomsprite.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 <tools/diagnose_ex.h>
  37
  38 #include <rtl/logfile.hxx>
  39 #include <rtl/math.hxx>
  40
  41 #include <canvas/canvastools.hxx>
  42
  43 #include <basegfx/matrix/b2dhommatrix.hxx>
  44 #include <basegfx/point/b2dpoint.hxx>
  45
  46 #include "cairo_canvascustomsprite.hxx"
  47 #include "cairo_spritecanvas.hxx"
  48
  49
  50 using namespace ::cairo;
  51 using namespace ::com::sun::star;
  52
  53 namespace cairocanvas
  54 {
  55     CanvasCustomSprite::CanvasCustomSprite( const ::com::sun::star::geometry::RealSize2D&       rSpriteSize,
  56                                             const SpriteCanvasRef&                          rRefDevice ) :
  57         mpSpriteCanvas( rRefDevice ),
  58         maSize( ::canvas::tools::roundUp( rSpriteSize.Width ),
  59                 ::canvas::tools::roundUp( rSpriteSize.Height ) )
  60     {
  61         ENSURE_OR_THROW( rRefDevice.get(),
  62                           "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" );
  63
  64         OSL_TRACE("sprite size: %d, %d",
  65                   ::canvas::tools::roundUp( rSpriteSize.Width ),
  66                   ::canvas::tools::roundUp( rSpriteSize.Height ));
  67
  68         mpBufferSurface = mpSpriteCanvas->createSurface( maSize );
  69
  70         maCanvasHelper.init( maSize,
  71                              *rRefDevice,
  72                              rRefDevice.get() );
  73         maCanvasHelper.setSurface( mpBufferSurface, true );
  74
  75         maSpriteHelper.init( rSpriteSize,
  76                              rRefDevice );
  77         maSpriteHelper.setSurface( mpBufferSurface );
  78
  79         // clear sprite to 100% transparent
  80         maCanvasHelper.clear();
  81     }
  82
  83     void SAL_CALL CanvasCustomSprite::disposing()
  84     {
  85         ::osl::MutexGuard aGuard( m_aMutex );
  86
  87         mpSpriteCanvas.clear();
  88         mpBufferSurface.reset();
  89
  90         // forward to parent
  91         CanvasCustomSpriteBaseT::disposing();
  92     }
  93
  94     void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo,
  95                                      bool                  bBufferedUpdate ) const
  96     {
  97         ::osl::MutexGuard aGuard( m_aMutex );
  98
  99         redraw( pCairo, maSpriteHelper.getPosPixel(), bBufferedUpdate );
 100     }
 101
 102     void CanvasCustomSprite::redraw( const CairoSharedPtr&      pCairo,
 103                                      const ::basegfx::B2DPoint& rOrigOutputPos,
 104                                      bool                       bBufferedUpdate ) const
 105     {
 106         ::osl::MutexGuard aGuard( m_aMutex );
 107
 108         maSpriteHelper.redraw( pCairo,
 109                                rOrigOutputPos,
 110                                mbSurfaceDirty,
 111                                bBufferedUpdate );
 112
 113         mbSurfaceDirty = false;
 114     }
 115
 116     bool CanvasCustomSprite::repaint( const SurfaceSharedPtr&       pSurface,
 117                                       const rendering::ViewState&       viewState,
 118                                       const rendering::RenderState&     renderState )
 119     {
 120         return maCanvasHelper.repaint( pSurface, viewState, renderState );
 121     }
 122
 123     SurfaceSharedPtr CanvasCustomSprite::getSurface()
 124     {
 125         return mpBufferSurface;
 126     }
 127
 128     SurfaceSharedPtr CanvasCustomSprite::createSurface( const ::basegfx::B2ISize& rSize, Content aContent )
 129     {
 130         return mpSpriteCanvas->createSurface(rSize,aContent);
 131     }
 132
 133     SurfaceSharedPtr CanvasCustomSprite::createSurface( ::Bitmap& rBitmap )
 134     {
 135         return mpSpriteCanvas->createSurface(rBitmap);
 136     }
 137
 138     SurfaceSharedPtr CanvasCustomSprite::changeSurface( bool bHasAlpha, bool bCopyContent )
 139     {
 140         if( !bHasAlpha && !bCopyContent )
 141         {
 142             OSL_TRACE("replacing sprite background surface");
 143
 144             mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR );
 145             maSpriteHelper.setSurface( mpBufferSurface );
 146
 147             return mpBufferSurface;
 148         }
 149
 150         return SurfaceSharedPtr();
 151     }
 152
 153     OutputDevice* CanvasCustomSprite::getOutputDevice()
 154     {
 155         return mpSpriteCanvas->getOutputDevice();
 156     }
 157
 158 #define IMPLEMENTATION_NAME "CairoCanvas.CanvasCustomSprite"
 159 #define SERVICE_NAME "com.sun.star.rendering.CanvasCustomSprite"
 160
 161     ::rtl::OUString SAL_CALL CanvasCustomSprite::getImplementationName() throw( uno::RuntimeException )
 162     {
 163         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
 164     }
 165
 166     sal_Bool SAL_CALL CanvasCustomSprite::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
 167     {
 168         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
 169     }
 170
 171     uno::Sequence< ::rtl::OUString > SAL_CALL CanvasCustomSprite::getSupportedServiceNames()  throw( uno::RuntimeException )
 172     {
 173         uno::Sequence< ::rtl::OUString > aRet(1);
 174         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
 175
 176         return aRet;
 177     }
 178 }