basegfx/source/range/b2drange.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <basegfx/range/b2drange.hxx>
  21 #include <basegfx/range/b2irange.hxx>
  22 #include <basegfx/numeric/ftools.hxx>
  23 #include <basegfx/matrix/b2dhommatrix.hxx>
  24
  25 namespace basegfx
  26 {
  27     B2DRange::B2DRange( const B2IRange& rRange ) :
  28         maRangeX(),
  29         maRangeY()
  30     {
  31         if( !rRange.isEmpty() )
  32         {
  33             maRangeX = MyBasicRange(rRange.getMinX());
  34             maRangeY = MyBasicRange(rRange.getMinY());
  35
  36             maRangeX.expand(rRange.getMaxX());
  37             maRangeY.expand(rRange.getMaxY());
  38         }
  39     }
  40
  41     void B2DRange::transform(const B2DHomMatrix& rMatrix)
  42     {
  43         if(!isEmpty() && !rMatrix.isIdentity())
  44         {
  45             const B2DRange aSource(*this);
  46             reset();
  47             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
  48             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
  49             expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
  50             expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
  51         }
  52     }
  53
  54     B2IRange fround(const B2DRange& rRange)
  55     {
  56         return rRange.isEmpty() ?
  57             B2IRange() :
  58             B2IRange(fround(rRange.getMinimum()),
  59                      fround(rRange.getMaximum()));
  60     }
  61 } // end of namespace basegfx
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */