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Diffstat (limited to 'drawinglayer/source/attribute/strokeattribute.cxx')
| -rw-r--r-- | drawinglayer/source/attribute/strokeattribute.cxx | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drawinglayer/source/attribute/strokeattribute.cxx b/drawinglayer/source/attribute/strokeattribute.cxx new file mode 100644 index 000000000000..3c2a5a2bc18f --- /dev/null +++ b/drawinglayer/source/attribute/strokeattribute.cxx @@ -0,0 +1,182 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <drawinglayer/attribute/strokeattribute.hxx> +#include <numeric> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace attribute + { + class ImpStrokeAttribute + { + public: + // refcounter + sal_uInt32 mnRefCount; + + // data definitions + ::std::vector< double > maDotDashArray; // array of double which defines the dot-dash pattern + double mfFullDotDashLen; // sum of maDotDashArray (for convenience) + + ImpStrokeAttribute( + const ::std::vector< double >& rDotDashArray, + double fFullDotDashLen) + : mnRefCount(0), + maDotDashArray(rDotDashArray), + mfFullDotDashLen(fFullDotDashLen) + { + } + + // data read access + const ::std::vector< double >& getDotDashArray() const { return maDotDashArray; } + double getFullDotDashLen() const + { + if(0.0 == mfFullDotDashLen && maDotDashArray.size()) + { + // calculate length on demand + const double fAccumulated(::std::accumulate(maDotDashArray.begin(), maDotDashArray.end(), 0.0)); + const_cast< ImpStrokeAttribute* >(this)->mfFullDotDashLen = fAccumulated; + } + + return mfFullDotDashLen; + } + + bool operator==(const ImpStrokeAttribute& rCandidate) const + { + return (getDotDashArray() == rCandidate.getDotDashArray() + && getFullDotDashLen() == rCandidate.getFullDotDashLen()); + } + + static ImpStrokeAttribute* get_global_default() + { + static ImpStrokeAttribute* pDefault = 0; + + if(!pDefault) + { + pDefault = new ImpStrokeAttribute( + std::vector< double >(), + 0.0); + + // never delete; start with RefCount 1, not 0 + pDefault->mnRefCount++; + } + + return pDefault; + } + }; + + StrokeAttribute::StrokeAttribute( + const ::std::vector< double >& rDotDashArray, + double fFullDotDashLen) + : mpStrokeAttribute(new ImpStrokeAttribute( + rDotDashArray, fFullDotDashLen)) + { + } + + StrokeAttribute::StrokeAttribute() + : mpStrokeAttribute(ImpStrokeAttribute::get_global_default()) + { + mpStrokeAttribute->mnRefCount++; + } + + StrokeAttribute::StrokeAttribute(const StrokeAttribute& rCandidate) + : mpStrokeAttribute(rCandidate.mpStrokeAttribute) + { + mpStrokeAttribute->mnRefCount++; + } + + StrokeAttribute::~StrokeAttribute() + { + if(mpStrokeAttribute->mnRefCount) + { + mpStrokeAttribute->mnRefCount--; + } + else + { + delete mpStrokeAttribute; + } + } + + bool StrokeAttribute::isDefault() const + { + return mpStrokeAttribute == ImpStrokeAttribute::get_global_default(); + } + + StrokeAttribute& StrokeAttribute::operator=(const StrokeAttribute& rCandidate) + { + if(rCandidate.mpStrokeAttribute != mpStrokeAttribute) + { + if(mpStrokeAttribute->mnRefCount) + { + mpStrokeAttribute->mnRefCount--; + } + else + { + delete mpStrokeAttribute; + } + + mpStrokeAttribute = rCandidate.mpStrokeAttribute; + mpStrokeAttribute->mnRefCount++; + } + + return *this; + } + + bool StrokeAttribute::operator==(const StrokeAttribute& rCandidate) const + { + if(rCandidate.mpStrokeAttribute == mpStrokeAttribute) + { + return true; + } + + if(rCandidate.isDefault() != isDefault()) + { + return false; + } + + return (*rCandidate.mpStrokeAttribute == *mpStrokeAttribute); + } + + const ::std::vector< double >& StrokeAttribute::getDotDashArray() const + { + return mpStrokeAttribute->getDotDashArray(); + } + + double StrokeAttribute::getFullDotDashLen() const + { + return mpStrokeAttribute->getFullDotDashLen(); + } + } // end of namespace attribute +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |