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Diffstat (limited to 'drawinglayer/source/attribute/strokeattribute.cxx')
-rw-r--r-- | drawinglayer/source/attribute/strokeattribute.cxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drawinglayer/source/attribute/strokeattribute.cxx b/drawinglayer/source/attribute/strokeattribute.cxx new file mode 100644 index 000000000..493c906ba --- /dev/null +++ b/drawinglayer/source/attribute/strokeattribute.cxx @@ -0,0 +1,124 @@ +/* -*- 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 <drawinglayer/attribute/strokeattribute.hxx> +#include <rtl/instance.hxx> +#include <numeric> + + +namespace drawinglayer::attribute +{ + class ImpStrokeAttribute + { + public: + // 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) + : maDotDashArray(rDotDashArray), + mfFullDotDashLen(fFullDotDashLen) + { + } + + ImpStrokeAttribute() + : maDotDashArray(std::vector< double >()), + mfFullDotDashLen(0.0) + { + } + + // data read access + const std::vector< double >& getDotDashArray() const { return maDotDashArray; } + double getFullDotDashLen() const + { + if(0.0 == mfFullDotDashLen && !maDotDashArray.empty()) + { + // 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()); + } + }; + + namespace + { + struct theGlobalDefault : + public rtl::Static< StrokeAttribute::ImplType, theGlobalDefault > {}; + } + + StrokeAttribute::StrokeAttribute( + const std::vector< double >& rDotDashArray, + double fFullDotDashLen) + : mpStrokeAttribute(ImpStrokeAttribute( + rDotDashArray, fFullDotDashLen)) + { + } + + StrokeAttribute::StrokeAttribute() + : mpStrokeAttribute(theGlobalDefault::get()) + { + } + + StrokeAttribute::StrokeAttribute(const StrokeAttribute&) = default; + + StrokeAttribute::StrokeAttribute(StrokeAttribute&&) = default; + + StrokeAttribute::~StrokeAttribute() = default; + + bool StrokeAttribute::isDefault() const + { + return mpStrokeAttribute.same_object(theGlobalDefault::get()); + } + + StrokeAttribute& StrokeAttribute::operator=(const StrokeAttribute&) = default; + + StrokeAttribute& StrokeAttribute::operator=(StrokeAttribute&&) = default; + + bool StrokeAttribute::operator==(const StrokeAttribute& rCandidate) const + { + // tdf#87509 default attr is always != non-default attr, even with same values + 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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |