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authorArmin Weiss <aw@openoffice.org>2003-10-28 10:26:57 +0000
committerArmin Weiss <aw@openoffice.org>2003-10-28 10:26:57 +0000
commit5c35c4ae404294fede343dc4668d0b57c580b485 (patch)
treeb46c73fca4ec3d4b3a8b330bfc2a412fd1eb6749 /basegfx/source/point/b2dhompoint.cxx
parent999a109d17bdce1000f7a69417de51668334c7fc (diff)
basegfx reorganization
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-rw-r--r--basegfx/source/point/b2dhompoint.cxx302
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diff --git a/basegfx/source/point/b2dhompoint.cxx b/basegfx/source/point/b2dhompoint.cxx
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+/*************************************************************************
+ *
+ * $RCSfile: b2dhompoint.cxx,v $
+ *
+ * $Revision: 1.1 $
+ *
+ * last change: $Author: aw $ $Date: 2003-10-28 11:26:13 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_POINT_B2DHOMPOINT_HXX
+#include <basegfx/inc/point/b2dhompoint.hxx>
+#endif
+
+#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
+#include <basegfx/inc/matrix/b2dhommatrix.hxx>
+#endif
+
+#ifndef _BGFX_NUMERIC_FTOOLS_HXX
+#include <basegfx/inc/numeric/ftools.hxx>
+#endif
+
+namespace basegfx
+{
+ namespace point
+ {
+ bool B2DHomPoint::implIsHomogenized() const
+ {
+ const double fOne(1.0);
+ return ::basegfx::numeric::fTools::equal(fOne, mfW);
+ }
+
+ void B2DHomPoint::implHomogenize()
+ {
+ const double fFactor(1.0 / mfW);
+ maTuple.setX(maTuple.getX() * fFactor);
+ maTuple.setY(maTuple.getY() * fFactor);
+ mfW = 1.0;
+ }
+
+ void B2DHomPoint::implTestAndHomogenize() const
+ {
+ if(!implIsHomogenized())
+ ((B2DHomPoint*)this)->implHomogenize();
+ }
+
+ B2DPoint B2DHomPoint::getB2DPoint() const
+ {
+ implTestAndHomogenize();
+ return B2DPoint(maTuple.getX(), maTuple.getY());
+ }
+
+ double B2DHomPoint::getX() const
+ {
+ implTestAndHomogenize();
+ return maTuple.getX();
+ }
+
+ double B2DHomPoint::getY() const
+ {
+ implTestAndHomogenize();
+ return maTuple.getY();
+ }
+
+ void B2DHomPoint::setX(double fX)
+ {
+ maTuple.setX(implIsHomogenized() ? fX : fX * mfW );
+ }
+
+ void B2DHomPoint::setY(double fY)
+ {
+ maTuple.setY(implIsHomogenized() ? fY : fY * mfW );
+ }
+
+ B2DHomPoint& B2DHomPoint::operator+=( const B2DHomPoint& rPnt )
+ {
+ maTuple.setX(getX() * rPnt.mfW + rPnt.getX() * mfW);
+ maTuple.setY(getY() * rPnt.mfW + rPnt.getY() * mfW);
+ mfW = mfW * rPnt.mfW;
+
+ return *this;
+ }
+
+ B2DHomPoint& B2DHomPoint::operator-=( const B2DHomPoint& rPnt )
+ {
+ maTuple.setX(getX() * rPnt.mfW - rPnt.getX() * mfW);
+ maTuple.setY(getY() * rPnt.mfW - rPnt.getY() * mfW);
+ mfW = mfW * rPnt.mfW;
+
+ return *this;
+ }
+
+ B2DHomPoint& B2DHomPoint::operator*=(double t)
+ {
+ if(!::basegfx::numeric::fTools::equalZero(t))
+ {
+ mfW /= t;
+ }
+
+ return *this;
+ }
+
+ B2DHomPoint& B2DHomPoint::operator*=( const matrix::B2DHomMatrix& rMat )
+ {
+ const double fTempX( rMat.get(0,0)*maTuple.getX() +
+ rMat.get(0,1)*maTuple.getY() +
+ rMat.get(0,2)*mfW );
+
+ const double fTempY( rMat.get(1,0)*maTuple.getX() +
+ rMat.get(1,1)*maTuple.getY() +
+ rMat.get(1,2)*mfW );
+
+ const double fTempZ( rMat.get(2,0)*maTuple.getX() +
+ rMat.get(2,1)*maTuple.getY() +
+ rMat.get(2,2)*mfW );
+ maTuple.setX( fTempX );
+ maTuple.setY( fTempY );
+ mfW = fTempZ;
+
+ return *this;
+ }
+
+ B2DHomPoint& B2DHomPoint::operator/=(double t)
+ {
+ mfW *= t;
+ return *this;
+ }
+
+ B2DHomPoint& B2DHomPoint::operator-(void)
+ {
+ mfW = -mfW;
+ return *this;
+ }
+
+ bool B2DHomPoint::operator==( const B2DHomPoint& rPnt ) const
+ {
+ implTestAndHomogenize();
+ return (maTuple == rPnt.maTuple);
+ }
+
+ bool B2DHomPoint::operator!=( const B2DHomPoint& rPnt ) const
+ {
+ implTestAndHomogenize();
+ return (maTuple != rPnt.maTuple);
+ }
+
+ B2DHomPoint& B2DHomPoint::operator=( const B2DHomPoint& rPnt )
+ {
+ maTuple = rPnt.maTuple;
+ mfW = rPnt.mfW;
+ return *this;
+ }
+
+ B2DHomPoint min(const B2DHomPoint& rVecA, const B2DHomPoint& rVecB)
+ {
+ B2DHomPoint aMin(
+ (rVecB.getX() < rVecA.getX()) ? rVecB.getX() : rVecA.getX(),
+ (rVecB.getY() < rVecA.getY()) ? rVecB.getY() : rVecA.getY());
+ return aMin;
+ }
+
+ B2DHomPoint max(const B2DHomPoint& rVecA, const B2DHomPoint& rVecB)
+ {
+ B2DHomPoint aMax(
+ (rVecB.getX() > rVecA.getX()) ? rVecB.getX() : rVecA.getX(),
+ (rVecB.getY() > rVecA.getY()) ? rVecB.getY() : rVecA.getY());
+ return aMax;
+ }
+ B2DHomPoint abs(const B2DHomPoint& rVec)
+ {
+ B2DHomPoint aAbs(
+ (0.0 > rVec.getX()) ? -rVec.getX() : rVec.getX(),
+ (0.0 > rVec.getY()) ? -rVec.getY() : rVec.getY());
+ return aAbs;
+ }
+
+ B2DHomPoint interpolate(B2DHomPoint& rOld1, B2DHomPoint& rOld2, double t)
+ {
+ B2DHomPoint aInt(
+ ((rOld2.getX() - rOld1.getX()) + t) + rOld1.getX(),
+ ((rOld2.getY() - rOld1.getY()) + t) + rOld1.getY());
+ return aInt;
+ }
+
+ B2DHomPoint average(B2DHomPoint& rOld1, B2DHomPoint& rOld2)
+ {
+ B2DHomPoint aAvg(
+ (rOld1.getX() + rOld2.getX()) * 0.5,
+ (rOld1.getY() + rOld2.getY()) * 0.5);
+ return aAvg;
+ }
+
+ B2DHomPoint average(B2DHomPoint& rOld1, B2DHomPoint& rOld2, B2DHomPoint& rOld3)
+ {
+ B2DHomPoint aAvg(
+ (rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0),
+ (rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0));
+ return aAvg;
+ }
+
+ B2DHomPoint operator+(const B2DHomPoint& rVecA, const B2DHomPoint& rVecB)
+ {
+ B2DHomPoint aSum(rVecA);
+ aSum += rVecB;
+ return aSum;
+ }
+
+ B2DHomPoint operator-(const B2DHomPoint& rVecA, const B2DHomPoint& rVecB)
+ {
+ B2DHomPoint aSub(rVecA);
+ aSub -= rVecB;
+ return aSub;
+ }
+
+ B2DHomPoint operator*(const B2DHomPoint& rVec, double t)
+ {
+ B2DHomPoint aNew(rVec);
+ aNew *= t;
+ return aNew;
+ }
+
+ B2DHomPoint operator*(double t, const B2DHomPoint& rVec)
+ {
+ B2DHomPoint aNew(rVec);
+ aNew *= t;
+ return aNew;
+ }
+
+ B2DHomPoint operator*( const matrix::B2DHomMatrix& rMat, const B2DHomPoint& rPoint )
+ {
+ B2DHomPoint aNew(rPoint);
+ return aNew*=rMat;
+ }
+
+ B2DHomPoint operator/(const B2DHomPoint& rVec, double t)
+ {
+ B2DHomPoint aNew(rVec);
+ aNew /= t;
+ return aNew;
+ }
+
+ B2DHomPoint operator/(double t, const B2DHomPoint& rVec)
+ {
+ B2DHomPoint aNew(rVec);
+ aNew /= t;
+ return aNew;
+ }
+ } // end of namespace point
+} // end of namespace basegfx
+
+// eof