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Diffstat (limited to 'basegfx/source/range/b2drange.cxx')
-rw-r--r-- | basegfx/source/range/b2drange.cxx | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/basegfx/source/range/b2drange.cxx b/basegfx/source/range/b2drange.cxx new file mode 100644 index 000000000..55b545933 --- /dev/null +++ b/basegfx/source/range/b2drange.cxx @@ -0,0 +1,83 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + +#include <basegfx/range/b2drange.hxx> +#include <basegfx/range/b2irange.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +namespace basegfx +{ + B2DRange::B2DRange( const B2IRange& rRange ) : + maRangeX(), + maRangeY() + { + if( !rRange.isEmpty() ) + { + maRangeX = MyBasicRange(rRange.getMinX()); + maRangeY = MyBasicRange(rRange.getMinY()); + + maRangeX.expand(rRange.getMaxX()); + maRangeY.expand(rRange.getMaxY()); + } + } + + void B2DRange::transform(const B2DHomMatrix& rMatrix) + { + if(!isEmpty() && !rMatrix.isIdentity()) + { + const B2DRange aSource(*this); + reset(); + expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY())); + expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY())); + expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY())); + expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY())); + } + } + + B2DRange& B2DRange::operator*=( const ::basegfx::B2DHomMatrix& rMat ) + { + transform(rMat); + return *this; + } + + const B2DRange& B2DRange::getUnitB2DRange() + { + static const B2DRange aUnitB2DRange(0.0, 0.0, 1.0, 1.0); + + return aUnitB2DRange; + } + + B2IRange fround(const B2DRange& rRange) + { + return rRange.isEmpty() ? + B2IRange() : + B2IRange(fround(rRange.getMinimum()), + fround(rRange.getMaximum())); + } + + B2DRange operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DRange& rB2DRange ) + { + B2DRange aRes( rB2DRange ); + aRes *= rMat; + return aRes; + } + +} // end of namespace basegfx + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |