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 #ifndef INCLUDED_BASEBMP_TOOLS_HXX 25 #define INCLUDED_BASEBMP_TOOLS_HXX 26 27 #include <basegfx/range/b2irange.hxx> 28 #include <basegfx/point/b2ipoint.hxx> 29 #include <vigra/tuple.hxx> 30 #include <vigra/diff2d.hxx> 31 32 namespace basebmp 33 { topLeft(const basegfx::B2IRange & rRange)34 inline vigra::Diff2D topLeft( const basegfx::B2IRange& rRange ) 35 { return vigra::Diff2D(rRange.getMinX(),rRange.getMinY()); } 36 bottomRight(const basegfx::B2IRange & rRange)37 inline vigra::Diff2D bottomRight( const basegfx::B2IRange& rRange ) 38 { return vigra::Diff2D(rRange.getMaxX(),rRange.getMaxY()); } 39 40 template< class Iterator, class Accessor > 41 inline vigra::triple<Iterator,Iterator,Accessor> destIterRange(Iterator const & begin,Accessor const & accessor,const basegfx::B2IRange & rRange)42 destIterRange(Iterator const& begin, 43 Accessor const& accessor, 44 const basegfx::B2IRange& rRange) 45 { 46 return vigra::triple<Iterator,Iterator,Accessor>( 47 begin + topLeft(rRange), 48 begin + bottomRight(rRange), 49 accessor); 50 } 51 52 template< class Iterator, class Accessor > 53 inline vigra::triple<Iterator,Iterator,Accessor> srcIterRange(Iterator const & begin,Accessor const & accessor,const basegfx::B2IRange & rRange)54 srcIterRange(Iterator const& begin, 55 Accessor const& accessor, 56 const basegfx::B2IRange& rRange) 57 { 58 return vigra::triple<Iterator,Iterator,Accessor>( 59 begin + topLeft(rRange), 60 begin + bottomRight(rRange), 61 accessor); 62 } 63 64 template< class Iterator, class Accessor > 65 inline vigra::pair<Iterator,Accessor> srcIter(Iterator const & begin,Accessor const & accessor,const basegfx::B2IPoint & rPt)66 srcIter(Iterator const& begin, 67 Accessor const& accessor, 68 const basegfx::B2IPoint& rPt) 69 { 70 return vigra::pair<Iterator,Accessor>( 71 begin + vigra::Diff2D(rPt.getX(),rPt.getY()), 72 accessor); 73 } 74 75 template< class Iterator, class Accessor > 76 inline vigra::pair<Iterator,Accessor> destIter(Iterator const & begin,Accessor const & accessor,const basegfx::B2IPoint & rPt)77 destIter(Iterator const& begin, 78 Accessor const& accessor, 79 const basegfx::B2IPoint& rPt) 80 { 81 return vigra::pair<Iterator,Accessor>( 82 begin + vigra::Diff2D(rPt.getX(),rPt.getY()), 83 accessor); 84 } 85 } 86 87 #endif /* INCLUDED_BASEBMP_TOOLS_HXX */ 88