office-gobmx/drawinglayer/source/processor2d/vclhelperbufferdevice.hxx
2010-03-18 18:44:00 +01:00

70 lines
2.5 KiB
C++

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#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
#include <vcl/virdev.hxx>
//////////////////////////////////////////////////////////////////////////////
// predefines
namespace basegfx { class B2DRange; }
//////////////////////////////////////////////////////////////////////////////
// support methods for vcl direct gradient renderering
namespace drawinglayer
{
class impBufferDevice
{
OutputDevice& mrOutDev;
VirtualDevice maContent;
VirtualDevice* mpMask;
VirtualDevice* mpAlpha;
Rectangle maDestPixel;
public:
impBufferDevice(
OutputDevice& rOutDev,
const basegfx::B2DRange& rRange,
bool bAddOffsetToMapping);
~impBufferDevice();
void paint(double fTrans = 0.0);
bool isVisible() const { return !maDestPixel.IsEmpty(); }
VirtualDevice& getContent() { return maContent; }
VirtualDevice& getMask();
VirtualDevice& getTransparence();
};
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
// eof