1*4f506f19SAndrew Rist /**************************************************************
2cdf0e10cSrcweir  *
3*4f506f19SAndrew Rist  * Licensed to the Apache Software Foundation (ASF) under one
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21*4f506f19SAndrew Rist 
22*4f506f19SAndrew Rist 
23cdf0e10cSrcweir 
24cdf0e10cSrcweir #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
25cdf0e10cSrcweir #define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
26cdf0e10cSrcweir 
27cdf0e10cSrcweir #include <vcl/virdev.hxx>
28cdf0e10cSrcweir 
29cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
30cdf0e10cSrcweir // predefines
31cdf0e10cSrcweir 
32cdf0e10cSrcweir namespace basegfx { class B2DRange; }
33cdf0e10cSrcweir 
34cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
35cdf0e10cSrcweir // support methods for vcl direct gradient renderering
36cdf0e10cSrcweir 
37cdf0e10cSrcweir namespace drawinglayer
38cdf0e10cSrcweir {
39cdf0e10cSrcweir 	class impBufferDevice
40cdf0e10cSrcweir 	{
41cdf0e10cSrcweir 		OutputDevice&						mrOutDev;
42cdf0e10cSrcweir 		VirtualDevice						maContent;
43cdf0e10cSrcweir 		VirtualDevice*						mpMask;
44cdf0e10cSrcweir 		VirtualDevice*						mpAlpha;
45cdf0e10cSrcweir 		Rectangle							maDestPixel;
46cdf0e10cSrcweir 
47cdf0e10cSrcweir 	public:
48cdf0e10cSrcweir 		impBufferDevice(
49cdf0e10cSrcweir 			OutputDevice& rOutDev,
50cdf0e10cSrcweir 			const basegfx::B2DRange& rRange,
51cdf0e10cSrcweir 			bool bAddOffsetToMapping);
52cdf0e10cSrcweir 		~impBufferDevice();
53cdf0e10cSrcweir 
54cdf0e10cSrcweir 		void paint(double fTrans = 0.0);
55cdf0e10cSrcweir 		bool isVisible() const { return !maDestPixel.IsEmpty(); }
56cdf0e10cSrcweir 		VirtualDevice& getContent() { return maContent; }
57cdf0e10cSrcweir 		VirtualDevice& getMask();
58cdf0e10cSrcweir 		VirtualDevice& getTransparence();
59cdf0e10cSrcweir 	};
60cdf0e10cSrcweir } // end of namespace drawinglayer
61cdf0e10cSrcweir 
62cdf0e10cSrcweir //////////////////////////////////////////////////////////////////////////////
63cdf0e10cSrcweir 
64cdf0e10cSrcweir #endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
65cdf0e10cSrcweir 
66cdf0e10cSrcweir // eof
67