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authorVladimir Glazounov <vg@openoffice.org>2008-08-19 22:57:05 +0000
committerVladimir Glazounov <vg@openoffice.org>2008-08-19 22:57:05 +0000
commit1c584ed09753ca4b8cb175e15c9e0ca328573705 (patch)
tree5ae2e3a3b67fa2eabded838edb65f3cce76230a5 /basegfx/inc/basegfx
parentf83e555c3497b6addb82b312bb22438ca433daf9 (diff)
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
Diffstat (limited to 'basegfx/inc/basegfx')
-rw-r--r--basegfx/inc/basegfx/raster/rasterconvert3d.hxx349
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diff --git a/basegfx/inc/basegfx/raster/rasterconvert3d.hxx b/basegfx/inc/basegfx/raster/rasterconvert3d.hxx
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+/*************************************************************************
+ *
+ * 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 */