81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/range/b2irange.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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namespace basegfx
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{
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B2DRange::B2DRange(const B2IRange& rRange)
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{
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if (!rRange.isEmpty())
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{
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maRangeX = basegfx::BasicRange<ValueType, TraitsType>(rRange.getMinX());
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maRangeY = basegfx::BasicRange<ValueType, TraitsType>(rRange.getMinY());
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maRangeX.expand(rRange.getMaxX());
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maRangeY.expand(rRange.getMaxY());
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}
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}
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void B2DRange::transform(const B2DHomMatrix& rMatrix)
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{
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if(!isEmpty() && !rMatrix.isIdentity())
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{
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const B2DRange aSource(*this);
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reset();
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expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
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expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
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expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
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expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
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}
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}
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B2DRange& B2DRange::operator*=(const basegfx::B2DHomMatrix& rMatrix)
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{
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transform(rMatrix);
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return *this;
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}
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const B2DRange& B2DRange::getUnitB2DRange()
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{
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static const B2DRange aUnitB2DRange(0.0, 0.0, 1.0, 1.0);
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return aUnitB2DRange;
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}
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B2IRange fround(const B2DRange& rRange)
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{
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return rRange.isEmpty() ?
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B2IRange() :
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B2IRange(fround(rRange.getMinimum()),
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fround(rRange.getMaximum()));
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}
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B2DRange operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DRange& rB2DRange )
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{
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B2DRange aRes( rB2DRange );
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aRes *= rMat;
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return aRes;
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}
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} // end of namespace basegfx
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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