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/b3ipoint.hxx> 27 #include <basegfx/matrix/b3dhommatrix.hxx> 28 #include <basegfx/numeric/ftools.hxx> 29 30 namespace basegfx 31 { operator *=(const::basegfx::B3DHomMatrix & rMat)32 B3IPoint& B3IPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat ) 33 { 34 double fTempX( 35 rMat.get(0, 0) * mnX + 36 rMat.get(0, 1) * mnY + 37 rMat.get(0, 2) * mnZ + 38 rMat.get(0, 3)); 39 double fTempY( 40 rMat.get(1, 0) * mnX + 41 rMat.get(1, 1) * mnY + 42 rMat.get(1, 2) * mnZ + 43 rMat.get(1, 3)); 44 double fTempZ( 45 rMat.get(2, 0) * mnX + 46 rMat.get(2, 1) * mnY + 47 rMat.get(2, 2) * mnZ + 48 rMat.get(2, 3)); 49 50 if(!rMat.isLastLineDefault()) 51 { 52 const double fOne(1.0); 53 const double fTempM( 54 rMat.get(3, 0) * mnX + 55 rMat.get(3, 1) * mnY + 56 rMat.get(3, 2) * mnZ + 57 rMat.get(3, 3)); 58 59 if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM)) 60 { 61 fTempX /= fTempM; 62 fTempY /= fTempM; 63 fTempZ /= fTempM; 64 } 65 } 66 67 mnX = fround(fTempX); 68 mnY = fround(fTempY); 69 mnZ = fround(fTempZ); 70 71 return *this; 72 } 73 } // end of namespace basegfx 74 75 // eof 76