INTEGRATION: CWS aw033 (1.1.2); FILE ADDED

2008/08/19 16:43:44 cl 1.1.2.3: fixed license files
2008/05/27 19:05:14 thb 1.1.2.2: #i10000# Build breaker fixed
2008/05/14 09:12:00 aw 1.1.2.1: #i39532# aw033 progresses

1 files changed, 349 insertions, 0 deletions

diff --git a/basegfx/inc/basegfx/raster/rasterconvert3d.hxx b/basegfx/inc/basegfx/raster/rasterconvert3d.hxx
new file mode 100644
index 000000000000..6a2b550003e7
--- /dev/null
+++ b/basegfx/inc/basegfx/raster/rasterconvert3d.hxx
@@ -0,0 +1,349 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: rasterconvert3d.hxx,v $
+ *
+ * $Revision: 1.2 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_RASTER_RASTERCONVERT3D_HXX
+#define _BGFX_RASTER_RASTERCONVERT3D_HXX
+
+#include <sal/types.h>
+#include <vector>
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/vector/b3dvector.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/vector/b2dvector.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+namespace basegfx
+{
+    class B3DPolygon;
+    class B3DPolyPolygon;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// interpolators for double precision
+
+namespace basegfx
+{
+    class ip_single
+    {
+    private:
+        double                                      mfVal;
+        double                                      mfInc;
+
+    public:
+        ip_single()
+        :   mfVal(0.0),
+            mfInc(0.0)
+        {}
+
+        ip_single(double fVal, double fInc)
+        :   mfVal(fVal),
+            mfInc(fInc)
+        {}
+
+        double getVal() const { return mfVal; }
+        double getInc() const { return mfInc; }
+
+        void increment(double fStep) { mfVal += fStep * mfInc; }
+    };
+} // end of namespace basegfx
+
+namespace basegfx
+{
+    class ip_double
+    {
+    private:
+        ip_single                                   maX;
+        ip_single                                   maY;
+
+    public:
+        ip_double()
+        :   maX(),
+            maY()
+        {}
+
+        ip_double(double fXVal, double fXInc, double fYVal, double fYInc)
+        :   maX(fXVal, fXInc),
+            maY(fYVal, fYInc)
+        {}
+
+        const ip_single& getX() const { return maX; }
+        const ip_single& getY() const { return maY; }
+
+        void increment(double fStep) { maX.increment(fStep); maY.increment(fStep); }
+    };
+} // end of namespace basegfx
+
+namespace basegfx
+{
+    class ip_triple
+    {
+    private:
+        ip_single                                   maX;
+        ip_single                                   maY;
+        ip_single                                   maZ;
+
+    public:
+        ip_triple()
+        :   maX(),
+            maY(),
+            maZ()
+        {}
+
+        ip_triple(double fXVal, double fXInc, double fYVal, double fYInc, double fZVal, double fZInc)
+        :   maX(fXVal, fXInc),
+            maY(fYVal, fYInc),
+            maZ(fZVal, fZInc)
+        {}
+
+        const ip_single& getX() const { return maX; }
+        const ip_single& getY() const { return maY; }
+        const ip_single& getZ() const { return maZ; }
+
+        void increment(double fStep) { maX.increment(fStep); maY.increment(fStep); maZ.increment(fStep); }
+    };
+} // end of namespace basegfx
+
+//////////////////////////////////////////////////////////////////////////////
+// InterpolatorProvider3D to have a common source for allocating interpolators
+// which may then be addressed using the index to the vectors
+
+namespace basegfx
+{
+    #define SCANLINE_EMPTY_INDEX (0xffffffff)
+
+    class InterpolatorProvider3D
+    {
+    private:
+        ::std::vector< ip_triple >                  maColorInterpolators;
+        ::std::vector< ip_triple >                  maNormalInterpolators;
+        ::std::vector< ip_double >                  maTextureInterpolators;
+        ::std::vector< ip_triple >                  maInverseTextureInterpolators;
+
+    protected:
+        sal_uInt32 addColorInterpolator(const BColor& rA, const BColor& rB, double fInvYDelta)
+        {
+            B3DVector aDelta(rB.getRed() - rA.getRed(), rB.getGreen() - rA.getGreen(), rB.getBlue() - rA.getBlue());
+            aDelta *= fInvYDelta;
+            maColorInterpolators.push_back(ip_triple(rA.getRed(), aDelta.getX(), rA.getGreen(), aDelta.getY(), rA.getBlue(), aDelta.getZ()));
+            return (maColorInterpolators.size() - 1L);
+        }
+
+        sal_uInt32 addNormalInterpolator(const B3DVector& rA, const B3DVector& rB, double fInvYDelta)
+        {
+            B3DVector aDelta(rB.getX() - rA.getX(), rB.getY() - rA.getY(), rB.getZ() - rA.getZ());
+            aDelta *= fInvYDelta;
+            maNormalInterpolators.push_back(ip_triple(rA.getX(), aDelta.getX(), rA.getY(), aDelta.getY(), rA.getZ(), aDelta.getZ()));
+            return (maNormalInterpolators.size() - 1L);
+        }
+
+        sal_uInt32 addTextureInterpolator(const B2DPoint& rA, const B2DPoint& rB, double fInvYDelta)
+        {
+            B2DVector aDelta(rB.getX() - rA.getX(), rB.getY() - rA.getY());
+            aDelta *= fInvYDelta;
+            maTextureInterpolators.push_back(ip_double(rA.getX(), aDelta.getX(), rA.getY(), aDelta.getY()));
+            return (maTextureInterpolators.size() - 1L);
+        }
+
+        sal_uInt32 addInverseTextureInterpolator(const B2DPoint& rA, const B2DPoint& rB, double fZEyeA, double fZEyeB, double fInvYDelta)
+        {
+            const double fInvZEyeA(fTools::equalZero(fZEyeA) ? fZEyeA : 1.0 / fZEyeA);
+            const double fInvZEyeB(fTools::equalZero(fZEyeB) ? fZEyeB : 1.0 / fZEyeB);
+            const B2DPoint aInvA(rA * fInvZEyeA);
+            const B2DPoint aInvB(rB * fInvZEyeB);
+            double fZDelta(fInvZEyeB - fInvZEyeA);
+            B2DVector aDelta(aInvB.getX() - aInvA.getX(), aInvB.getY() - aInvA.getY());
+
+            fZDelta *= fInvYDelta;
+            aDelta *= fInvYDelta;
+
+            maInverseTextureInterpolators.push_back(ip_triple(aInvA.getX(), aDelta.getX(), aInvA.getY(), aDelta.getY(), fInvZEyeA, fZDelta));
+            return (maInverseTextureInterpolators.size() - 1L);
+        }
+
+        void reset()
+        {
+            maColorInterpolators.clear();
+            maNormalInterpolators.clear();
+            maTextureInterpolators.clear();
+            maInverseTextureInterpolators.clear();
+        }
+
+    public:
+        InterpolatorProvider3D() {}
+
+        ::std::vector< ip_triple >& getColorInterpolators() { return maColorInterpolators; }
+        ::std::vector< ip_triple >& getNormalInterpolators() { return maNormalInterpolators; }
+        ::std::vector< ip_double >& getTextureInterpolators() { return maTextureInterpolators; }
+        ::std::vector< ip_triple >& getInverseTextureInterpolators() { return maInverseTextureInterpolators; }
+    };
+} // end of namespace basegfx
+
+//////////////////////////////////////////////////////////////////////////////
+// RasterConversionLineEntry3D for Raterconversion of 3D PolyPolygons
+
+namespace basegfx
+{
+    class RasterConversionLineEntry3D
+    {
+    private:
+        ip_single                                   maX;
+        ip_single                                   maZ;
+        sal_Int32                                   mnY;
+        sal_uInt32                                  mnCount;
+
+        sal_uInt32                                  mnColorIndex;
+        sal_uInt32                                  mnNormalIndex;
+        sal_uInt32                                  mnTextureIndex;
+        sal_uInt32                                  mnInverseTextureIndex;
+
+    public:
+        RasterConversionLineEntry3D(const double& rfX, const double& rfDeltaX, const double& rfZ, const double& rfDeltaZ, sal_Int32 nY, sal_uInt32 nCount)
+        :   maX(rfX, rfDeltaX),
+            maZ(rfZ, rfDeltaZ),
+            mnY(nY),
+            mnCount(nCount),
+            mnColorIndex(SCANLINE_EMPTY_INDEX),
+            mnNormalIndex(SCANLINE_EMPTY_INDEX),
+            mnTextureIndex(SCANLINE_EMPTY_INDEX),
+            mnInverseTextureIndex(SCANLINE_EMPTY_INDEX)
+        {}
+
+        void setColorIndex(sal_uInt32 nIndex) { mnColorIndex = nIndex; }
+        void setNormalIndex(sal_uInt32 nIndex) { mnNormalIndex = nIndex; }
+        void setTextureIndex(sal_uInt32 nIndex) { mnTextureIndex = nIndex; }
+        void setInverseTextureIndex(sal_uInt32 nIndex) { mnInverseTextureIndex = nIndex; }
+
+        bool operator<(const RasterConversionLineEntry3D& rComp) const
+        {
+            if(mnY == rComp.mnY)
+            {
+                return maX.getVal() < rComp.maX.getVal();
+            }
+
+            return mnY < rComp.mnY;
+        }
+
+        bool decrementRasterConversionLineEntry3D(sal_uInt32 nStep)
+        {
+            if(nStep >= mnCount)
+            {
+                return false;
+            }
+            else
+            {
+                mnCount -= nStep;
+                return true;
+            }
+        }
+
+        void incrementRasterConversionLineEntry3D(sal_uInt32 nStep, InterpolatorProvider3D& rProvider)
+        {
+            const double fStep((double)nStep);
+            maX.increment(fStep);
+            maZ.increment(fStep);
+            mnY += nStep;
+
+            if(SCANLINE_EMPTY_INDEX != mnColorIndex)
+            {
+                rProvider.getColorInterpolators()[mnColorIndex].increment(fStep);
+            }
+
+            if(SCANLINE_EMPTY_INDEX != mnNormalIndex)
+            {
+                rProvider.getNormalInterpolators()[mnNormalIndex].increment(fStep);
+            }
+
+            if(SCANLINE_EMPTY_INDEX != mnTextureIndex)
+            {
+                rProvider.getTextureInterpolators()[mnTextureIndex].increment(fStep);
+            }
+
+            if(SCANLINE_EMPTY_INDEX != mnInverseTextureIndex)
+            {
+                rProvider.getInverseTextureInterpolators()[mnInverseTextureIndex].increment(fStep);
+            }
+        }
+
+        // data read access
+        const ip_single& getX() const { return maX; }
+        sal_Int32 getY() const { return mnY; }
+        const ip_single& getZ() const { return maZ; }
+        sal_uInt32 getColorIndex() const { return mnColorIndex; }
+        sal_uInt32 getNormalIndex() const { return mnNormalIndex; }
+        sal_uInt32 getTextureIndex() const { return mnTextureIndex; }
+        sal_uInt32 getInverseTextureIndex() const { return mnInverseTextureIndex; }
+    };
+} // end of namespace basegfx
+
+//////////////////////////////////////////////////////////////////////////////
+// the basic RaterConverter itself. Only one method needs to be overloaded. The
+// class itself is strictly virtual
+
+namespace basegfx
+{
+    class RasterConverter3D : public InterpolatorProvider3D
+    {
+    private:
+        // the line entries for an area conversion run
+        ::std::vector< RasterConversionLineEntry3D >            maLineEntries;
+
+        struct lineComparator
+        {
+            bool operator()(const RasterConversionLineEntry3D* pA, const RasterConversionLineEntry3D* pB)
+            {
+                OSL_ENSURE(pA && pB, "lineComparator: empty pointer (!)");
+                return pA->getX().getVal() < pB->getX().getVal();
+            }
+        };
+
+        void addArea(const B3DPolygon& rFill, const B3DHomMatrix* pViewToEye);
+        void addArea(const B3DPolyPolygon& rFill, const B3DHomMatrix* pViewToEye);
+        void addEdge(const B3DPolygon& rFill, sal_uInt32 a, sal_uInt32 b, const B3DHomMatrix* pViewToEye);
+
+        void rasterconvertB3DArea(sal_Int32 nStartLine, sal_Int32 nStopLine);
+        void rasterconvertB3DEdge(const B3DPolygon& rLine, sal_uInt32 nA, sal_uInt32 nB, sal_Int32 nStartLine, sal_Int32 nStopLine, sal_uInt16 nLineWidth);
+
+        virtual void processLineSpan(const RasterConversionLineEntry3D& rA, const RasterConversionLineEntry3D& rB, sal_Int32 nLine, sal_uInt32 nSpanCount) = 0;
+
+    public:
+        RasterConverter3D();
+        virtual ~RasterConverter3D();
+
+        void rasterconvertB3DPolyPolygon(const B3DPolyPolygon& rFill, const B3DHomMatrix* pViewToEye, sal_Int32 nStartLine, sal_Int32 nStopLine);
+        void rasterconvertB3DPolygon(const B3DPolygon& rLine, sal_Int32 nStartLine, sal_Int32 nStopLine, sal_uInt16 nLineWidth);
+    };
+} // end of namespace basegfx
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif /* _BGFX_RASTER_RASTERCONVERT3D_HXX */