182 lines
6 KiB
C++
182 lines
6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <drawinglayer/attribute/strokeattribute.hxx>
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#include <numeric>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace attribute
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{
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class ImpStrokeAttribute
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{
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public:
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// refcounter
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sal_uInt32 mnRefCount;
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// data definitions
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::std::vector< double > maDotDashArray; // array of double which defines the dot-dash pattern
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double mfFullDotDashLen; // sum of maDotDashArray (for convenience)
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ImpStrokeAttribute(
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const ::std::vector< double >& rDotDashArray,
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double fFullDotDashLen)
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: mnRefCount(0),
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maDotDashArray(rDotDashArray),
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mfFullDotDashLen(fFullDotDashLen)
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{
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}
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// data read access
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const ::std::vector< double >& getDotDashArray() const { return maDotDashArray; }
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double getFullDotDashLen() const
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{
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if(0.0 == mfFullDotDashLen && maDotDashArray.size())
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{
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// calculate length on demand
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const double fAccumulated(::std::accumulate(maDotDashArray.begin(), maDotDashArray.end(), 0.0));
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const_cast< ImpStrokeAttribute* >(this)->mfFullDotDashLen = fAccumulated;
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}
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return mfFullDotDashLen;
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}
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bool operator==(const ImpStrokeAttribute& rCandidate) const
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{
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return (getDotDashArray() == rCandidate.getDotDashArray()
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&& getFullDotDashLen() == rCandidate.getFullDotDashLen());
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}
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static ImpStrokeAttribute* get_global_default()
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{
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static ImpStrokeAttribute* pDefault = 0;
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if(!pDefault)
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{
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pDefault = new ImpStrokeAttribute(
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std::vector< double >(),
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0.0);
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// never delete; start with RefCount 1, not 0
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pDefault->mnRefCount++;
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}
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return pDefault;
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}
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};
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StrokeAttribute::StrokeAttribute(
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const ::std::vector< double >& rDotDashArray,
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double fFullDotDashLen)
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: mpStrokeAttribute(new ImpStrokeAttribute(
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rDotDashArray, fFullDotDashLen))
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{
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}
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StrokeAttribute::StrokeAttribute()
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: mpStrokeAttribute(ImpStrokeAttribute::get_global_default())
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{
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mpStrokeAttribute->mnRefCount++;
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}
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StrokeAttribute::StrokeAttribute(const StrokeAttribute& rCandidate)
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: mpStrokeAttribute(rCandidate.mpStrokeAttribute)
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{
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mpStrokeAttribute->mnRefCount++;
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}
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StrokeAttribute::~StrokeAttribute()
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{
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if(mpStrokeAttribute->mnRefCount)
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{
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mpStrokeAttribute->mnRefCount--;
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}
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else
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{
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delete mpStrokeAttribute;
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}
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}
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bool StrokeAttribute::isDefault() const
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{
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return mpStrokeAttribute == ImpStrokeAttribute::get_global_default();
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}
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StrokeAttribute& StrokeAttribute::operator=(const StrokeAttribute& rCandidate)
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{
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if(rCandidate.mpStrokeAttribute != mpStrokeAttribute)
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{
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if(mpStrokeAttribute->mnRefCount)
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{
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mpStrokeAttribute->mnRefCount--;
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}
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else
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{
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delete mpStrokeAttribute;
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}
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mpStrokeAttribute = rCandidate.mpStrokeAttribute;
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mpStrokeAttribute->mnRefCount++;
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}
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return *this;
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}
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bool StrokeAttribute::operator==(const StrokeAttribute& rCandidate) const
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{
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if(rCandidate.mpStrokeAttribute == mpStrokeAttribute)
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{
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return true;
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}
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if(rCandidate.isDefault() != isDefault())
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{
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return false;
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}
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return (*rCandidate.mpStrokeAttribute == *mpStrokeAttribute);
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}
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const ::std::vector< double >& StrokeAttribute::getDotDashArray() const
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{
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return mpStrokeAttribute->getDotDashArray();
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}
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double StrokeAttribute::getFullDotDashLen() const
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{
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return mpStrokeAttribute->getFullDotDashLen();
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}
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} // end of namespace attribute
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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