--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/egl/sfopenvg/riPixelPipe.h	Wed May 12 11:20:41 2010 +0100
@@ -0,0 +1,155 @@
+#ifndef __RIPIXELPIPE_H
+#define __RIPIXELPIPE_H
+
+/*------------------------------------------------------------------------
+ *
+ * OpenVG 1.1 Reference Implementation
+ * -----------------------------------
+ *
+ * Copyright (c) 2007 The Khronos Group Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions: 
+ *
+ * The above copyright notice and this permission notice shall be included 
+ * in all copies or substantial portions of the Materials. 
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ *//**
+ * \file
+ * \brief	Paint and PixelPipe classes.
+ * \note	
+ *//*-------------------------------------------------------------------*/
+
+#ifndef __RIMATH_H
+#include "riMath.h"
+#endif
+
+#ifndef __RIIMAGE_H
+#include "riImage.h"
+#endif
+
+//=======================================================================
+
+namespace OpenVGRI
+{
+
+/*-------------------------------------------------------------------*//*!
+* \brief	Storage and operations for VGPaint.
+* \param	
+* \return	
+* \note		
+*//*-------------------------------------------------------------------*/
+
+class Paint
+{
+public:
+	Paint();
+	~Paint();
+	void					addReference()							{ m_referenceCount++; }
+	int						removeReference()						{ m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
+
+	struct GradientStop
+	{
+		GradientStop() : offset(0.0f), color(0.0f, 0.0f, 0.0f, 0.0f, Color::sRGBA) {}
+		RIfloat		offset;
+		Color		color;
+	};
+
+	VGPaintType				m_paintType;
+	Color					m_paintColor;
+	Color					m_inputPaintColor;
+	VGColorRampSpreadMode	m_colorRampSpreadMode;
+	Array<GradientStop>		m_colorRampStops;
+	Array<GradientStop>		m_inputColorRampStops;
+	VGboolean				m_colorRampPremultiplied;
+	Vector2					m_inputLinearGradientPoint0;
+	Vector2					m_inputLinearGradientPoint1;
+	Vector2					m_inputRadialGradientCenter;
+	Vector2					m_inputRadialGradientFocalPoint;
+	RIfloat					m_inputRadialGradientRadius;
+	Vector2					m_linearGradientPoint0;
+	Vector2					m_linearGradientPoint1;
+	Vector2					m_radialGradientCenter;
+	Vector2					m_radialGradientFocalPoint;
+	RIfloat					m_radialGradientRadius;
+	VGTilingMode			m_patternTilingMode;
+	Image*					m_pattern;
+private:
+	Paint(const Paint&);						//!< Not allowed.
+	const Paint& operator=(const Paint&);		//!< Not allowed.
+
+	int						m_referenceCount;
+};
+
+/*-------------------------------------------------------------------*//*!
+* \brief	Encapsulates all information needed for painting a pixel.
+* \param	
+* \return	
+* \note		
+*//*-------------------------------------------------------------------*/
+	
+class PixelPipe
+{
+public:
+	PixelPipe();	//throws bad_alloc
+	~PixelPipe();
+
+	void	pixelPipe(int x, int y, RIfloat coverage, unsigned int sampleMask) const;	//rasterizer calls this function for each pixel
+
+	void	setDrawable(Drawable* drawable);
+	void	setBlendMode(VGBlendMode blendMode);
+	void	setMask(bool masking);
+	void	setImage(Image* image, VGImageMode imageMode);	//image = NULL disables drawImage functionality
+	void	setSurfaceToPaintMatrix(const Matrix3x3& surfaceToPaintMatrix);
+	void	setSurfaceToImageMatrix(const Matrix3x3& surfaceToImageMatrix);
+	void	setImageQuality(VGImageQuality imageQuality);
+	void	setTileFillColor(const Color& c);
+	void	setPaint(const Paint* paint);
+    void    setColorTransform(bool enable, RIfloat values[8]);
+
+private:
+	void	linearGradient(RIfloat& g, RIfloat& rho, RIfloat x, RIfloat y) const;
+	void	radialGradient(RIfloat& g, RIfloat& rho, RIfloat x, RIfloat y) const;
+	Color	integrateColorRamp(RIfloat gmin, RIfloat gmax) const;
+	Color	colorRamp(RIfloat gradient, RIfloat rho) const;
+	Color	blend(const Color& s, RIfloat ar, RIfloat ag, RIfloat ab, const Color& d, VGBlendMode blendMode) const;
+    void    colorTransform(Color& c) const;
+
+	PixelPipe(const PixelPipe&);						//!< Not allowed.
+	const PixelPipe& operator=(const PixelPipe&);		//!< Not allowed.
+
+	Drawable*               m_drawable;
+	bool					m_masking;
+	Image*					m_image;
+	const Paint*			m_paint;
+	Paint					m_defaultPaint;
+	VGBlendMode				m_blendMode;
+	VGImageMode				m_imageMode;
+	VGImageQuality			m_imageQuality;
+	Color					m_tileFillColor;
+    bool                    m_colorTransform;
+    RIfloat                 m_colorTransformValues[8];
+	Matrix3x3				m_surfaceToPaintMatrix;
+	Matrix3x3				m_surfaceToImageMatrix;
+};
+
+//=======================================================================
+
+}	//namespace OpenVGRI
+
+//=======================================================================
+
+#endif /* __RIPIXELPIPE_H */