1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_basegfx.hxx" 26 #include <basegfx/point/b2dhompoint.hxx> 27 #include <basegfx/matrix/b2dhommatrix.hxx> 28 #include <basegfx/numeric/ftools.hxx> 29 30 namespace basegfx 31 { implHomogenize()32 void B2DHomPoint::implHomogenize() 33 { 34 const double fFactor(1.0 / mfW); 35 maTuple.setX(maTuple.getX() * fFactor); 36 maTuple.setY(maTuple.getY() * fFactor); 37 mfW = 1.0; 38 } 39 operator *=(const B2DHomMatrix & rMat)40 B2DHomPoint& B2DHomPoint::operator*=( const B2DHomMatrix& rMat ) 41 { 42 const double fTempX( rMat.get(0,0)*maTuple.getX() + 43 rMat.get(0,1)*maTuple.getY() + 44 rMat.get(0,2)*mfW ); 45 46 const double fTempY( rMat.get(1,0)*maTuple.getX() + 47 rMat.get(1,1)*maTuple.getY() + 48 rMat.get(1,2)*mfW ); 49 50 const double fTempZ( rMat.get(2,0)*maTuple.getX() + 51 rMat.get(2,1)*maTuple.getY() + 52 rMat.get(2,2)*mfW ); 53 maTuple.setX( fTempX ); 54 maTuple.setY( fTempY ); 55 mfW = fTempZ; 56 57 return *this; 58 } 59 } // end of namespace basegfx 60 61 // eof 62