office-gobmx/cppcanvas/source/wrapper/implbitmap.cxx

126 lines
4.4 KiB
C++

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cppcanvas.hxx"
#include "implbitmap.hxx"
#include "implbitmapcanvas.hxx"
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <canvas/canvastools.hxx>
using namespace ::com::sun::star;
namespace cppcanvas
{
namespace internal
{
ImplBitmap::ImplBitmap( const CanvasSharedPtr& rParentCanvas,
const uno::Reference< rendering::XBitmap >& rBitmap ) :
CanvasGraphicHelper( rParentCanvas ),
mxBitmap( rBitmap ),
mpBitmapCanvas()
{
OSL_ENSURE( mxBitmap.is(), "ImplBitmap::ImplBitmap: no valid bitmap" );
uno::Reference< rendering::XBitmapCanvas > xBitmapCanvas( rBitmap,
uno::UNO_QUERY );
if( xBitmapCanvas.is() )
mpBitmapCanvas.reset( new ImplBitmapCanvas(
uno::Reference< rendering::XBitmapCanvas >(rBitmap,
uno::UNO_QUERY) ) );
}
ImplBitmap::~ImplBitmap()
{
}
bool ImplBitmap::draw() const
{
CanvasSharedPtr pCanvas( getCanvas() );
OSL_ENSURE( pCanvas.get() != NULL &&
pCanvas->getUNOCanvas().is(),
"ImplBitmap::draw: invalid canvas" );
if( pCanvas.get() == NULL ||
!pCanvas->getUNOCanvas().is() )
{
return false;
}
// TODO(P1): implement caching
pCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
pCanvas->getViewState(),
getRenderState() );
return true;
}
bool ImplBitmap::drawAlphaModulated( double nAlphaModulation ) const
{
CanvasSharedPtr pCanvas( getCanvas() );
OSL_ENSURE( pCanvas.get() != NULL &&
pCanvas->getUNOCanvas().is(),
"ImplBitmap::drawAlphaModulated(): invalid canvas" );
if( pCanvas.get() == NULL ||
!pCanvas->getUNOCanvas().is() )
{
return false;
}
rendering::RenderState aLocalState( getRenderState() );
uno::Sequence<rendering::ARGBColor> aCol(1);
aCol[0] = rendering::ARGBColor( nAlphaModulation, 1.0, 1.0, 1.0 );
aLocalState.DeviceColor =
pCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace()->convertFromARGB(aCol);
// TODO(P1): implement caching
pCanvas->getUNOCanvas()->drawBitmapModulated( mxBitmap,
pCanvas->getViewState(),
aLocalState );
return true;
}
BitmapCanvasSharedPtr ImplBitmap::getBitmapCanvas() const
{
return mpBitmapCanvas;
}
uno::Reference< rendering::XBitmap > ImplBitmap::getUNOBitmap() const
{
return mxBitmap;
}
}
}