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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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.
*
************************************************************************/
#include <basegfx/polygon/b3dpolygonclipper.hxx>
#include <osl/diagnose.h>
#include <basegfx/polygon/b3dpolygontools.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/polygon/b3dpolygontools.hxx>
#include <basegfx/range/b3drange.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/color/bcolor.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace basegfx
{
namespace
{
inline bool impIsInside(const B3DPoint& rCandidate, double fPlaneOffset, tools::B3DOrientation ePlaneOrthogonal)
{
if(tools::B3DORIENTATION_X == ePlaneOrthogonal)
{
return fTools::moreOrEqual(rCandidate.getX(), fPlaneOffset);
}
else if(tools::B3DORIENTATION_Y == ePlaneOrthogonal)
{
return fTools::moreOrEqual(rCandidate.getY(), fPlaneOffset);
}
else
{
return fTools::moreOrEqual(rCandidate.getZ(), fPlaneOffset);
}
}
inline double impGetCut(const B3DPoint& rCurrent, const B3DPoint& rNext, double fPlaneOffset, tools::B3DOrientation ePlaneOrthogonal)
{
if(tools::B3DORIENTATION_X == ePlaneOrthogonal)
{
return ((fPlaneOffset - rCurrent.getX())/(rNext.getX() - rCurrent.getX()));
}
else if(tools::B3DORIENTATION_Y == ePlaneOrthogonal)
{
return ((fPlaneOffset - rCurrent.getY())/(rNext.getY() - rCurrent.getY()));
}
else
{
return ((fPlaneOffset - rCurrent.getZ())/(rNext.getZ() - rCurrent.getZ()));
}
}
void impAppendCopy(B3DPolygon& rDest, const B3DPolygon& rSource, sal_uInt32 nIndex)
{
rDest.append(rSource.getB3DPoint(nIndex));
if(rSource.areBColorsUsed())
{
rDest.setBColor(rDest.count() - 1L, rSource.getBColor(nIndex));
}
if(rSource.areNormalsUsed())
{
rDest.setNormal(rDest.count() - 1L, rSource.getNormal(nIndex));
}
if(rSource.areTextureCoordinatesUsed())
{
rDest.setTextureCoordinate(rDest.count() - 1L, rSource.getTextureCoordinate(nIndex));
}
}
void impAppendInterpolate(B3DPolygon& rDest, const B3DPolygon& rSource, sal_uInt32 nIndA, sal_uInt32 nIndB, double fCut)
{
const B3DPoint aCurrPoint(rSource.getB3DPoint(nIndA));
const B3DPoint aNextPoint(rSource.getB3DPoint(nIndB));
rDest.append(interpolate(aCurrPoint, aNextPoint, fCut));
if(rSource.areBColorsUsed())
{
const BColor aCurrBColor(rSource.getBColor(nIndA));
const BColor aNextBColor(rSource.getBColor(nIndB));
rDest.setBColor(rDest.count() - 1L, interpolate(aCurrBColor, aNextBColor, fCut));
}
if(rSource.areNormalsUsed())
{
const B3DVector aCurrVector(rSource.getNormal(nIndA));
const B3DVector aNextVector(rSource.getNormal(nIndB));
rDest.setNormal(rDest.count() - 1L, interpolate(aCurrVector, aNextVector, fCut));
}
if(rSource.areTextureCoordinatesUsed())
{
const B2DPoint aCurrTxCo(rSource.getTextureCoordinate(nIndA));
const B2DPoint aNextTxCo(rSource.getTextureCoordinate(nIndB));
rDest.setTextureCoordinate(rDest.count() - 1L, interpolate(aCurrTxCo, aNextTxCo, fCut));
}
}
}
} // end of namespace basegfx
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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