svx/source/sdr/attribute/sdrformtextoutlineattribute.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <svx/sdr/attribute/sdrformtextoutlineattribute.hxx>
  22 #include <drawinglayer/attribute/lineattribute.hxx>
  23 #include <drawinglayer/attribute/strokeattribute.hxx>
  24
  25 //////////////////////////////////////////////////////////////////////////////
  26
  27 namespace drawinglayer
  28 {
  29     namespace attribute
  30     {
  31         class ImpSdrFormTextOutlineAttribute
  32         {
  33         public:
  34             // refcounter
  35             sal_uInt32                          mnRefCount;
  36
  37             // one set of attributes for FormText (FontWork) outline visualisation
  38             LineAttribute                       maLineAttribute;
  39             StrokeAttribute                     maStrokeAttribute;
  40             sal_uInt8                           mnTransparence;
  41
  42             ImpSdrFormTextOutlineAttribute(
  43                 const LineAttribute& rLineAttribute,
  44                 const StrokeAttribute& rStrokeAttribute,
  45                 sal_uInt8 nTransparence)
  46             :   mnRefCount(0),
  47                 maLineAttribute(rLineAttribute),
  48                 maStrokeAttribute(rStrokeAttribute),
  49                 mnTransparence(nTransparence)
  50             {
  51             }
  52
  53             // data read access
  54             const LineAttribute& getLineAttribute() const { return maLineAttribute; }
  55             const StrokeAttribute& getStrokeAttribute() const { return maStrokeAttribute; }
  56             sal_uInt8 getTransparence() const { return mnTransparence; }
  57
  58             // compare operator
  59             bool operator==(const ImpSdrFormTextOutlineAttribute& rCandidate) const
  60             {
  61                 return (getLineAttribute() == rCandidate.getLineAttribute()
  62                     && getStrokeAttribute() == rCandidate.getStrokeAttribute()
  63                     && getTransparence() == rCandidate.getTransparence());
  64             }
  65
  66             static ImpSdrFormTextOutlineAttribute* get_global_default()
  67             {
  68                 static ImpSdrFormTextOutlineAttribute* pDefault = 0;
  69
  70                 if(!pDefault)
  71                 {
  72                     pDefault = new ImpSdrFormTextOutlineAttribute(
  73                         LineAttribute(),
  74                         StrokeAttribute(),
  75                         0);
  76
  77                     // never delete; start with RefCount 1, not 0
  78                     pDefault->mnRefCount++;
  79                 }
  80
  81                 return pDefault;
  82             }
  83         };
  84
  85         SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute(
  86             const LineAttribute& rLineAttribute,
  87             const StrokeAttribute& rStrokeAttribute,
  88             sal_uInt8 nTransparence)
  89         :   mpSdrFormTextOutlineAttribute(new ImpSdrFormTextOutlineAttribute(
  90                 rLineAttribute, rStrokeAttribute, nTransparence))
  91         {
  92         }
  93
  94         SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute()
  95         :   mpSdrFormTextOutlineAttribute(ImpSdrFormTextOutlineAttribute::get_global_default())
  96         {
  97             mpSdrFormTextOutlineAttribute->mnRefCount++;
  98         }
  99
 100         SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute(const SdrFormTextOutlineAttribute& rCandidate)
 101         :   mpSdrFormTextOutlineAttribute(rCandidate.mpSdrFormTextOutlineAttribute)
 102         {
 103             mpSdrFormTextOutlineAttribute->mnRefCount++;
 104         }
 105
 106         SdrFormTextOutlineAttribute::~SdrFormTextOutlineAttribute()
 107         {
 108             if(mpSdrFormTextOutlineAttribute->mnRefCount)
 109             {
 110                 mpSdrFormTextOutlineAttribute->mnRefCount--;
 111             }
 112             else
 113             {
 114                 delete mpSdrFormTextOutlineAttribute;
 115             }
 116         }
 117
 118         bool SdrFormTextOutlineAttribute::isDefault() const
 119         {
 120             return mpSdrFormTextOutlineAttribute == ImpSdrFormTextOutlineAttribute::get_global_default();
 121         }
 122
 123         SdrFormTextOutlineAttribute& SdrFormTextOutlineAttribute::operator=(const SdrFormTextOutlineAttribute& rCandidate)
 124         {
 125             if(rCandidate.mpSdrFormTextOutlineAttribute != mpSdrFormTextOutlineAttribute)
 126             {
 127                 if(mpSdrFormTextOutlineAttribute->mnRefCount)
 128                 {
 129                     mpSdrFormTextOutlineAttribute->mnRefCount--;
 130                 }
 131                 else
 132                 {
 133                     delete mpSdrFormTextOutlineAttribute;
 134                 }
 135
 136                 mpSdrFormTextOutlineAttribute = rCandidate.mpSdrFormTextOutlineAttribute;
 137                 mpSdrFormTextOutlineAttribute->mnRefCount++;
 138             }
 139
 140             return *this;
 141         }
 142
 143         bool SdrFormTextOutlineAttribute::operator==(const SdrFormTextOutlineAttribute& rCandidate) const
 144         {
 145             if(rCandidate.mpSdrFormTextOutlineAttribute == mpSdrFormTextOutlineAttribute)
 146             {
 147                 return true;
 148             }
 149
 150             if(rCandidate.isDefault() != isDefault())
 151             {
 152                 return false;
 153             }
 154
 155             return (*rCandidate.mpSdrFormTextOutlineAttribute == *mpSdrFormTextOutlineAttribute);
 156         }
 157
 158         const LineAttribute& SdrFormTextOutlineAttribute::getLineAttribute() const
 159         {
 160             return mpSdrFormTextOutlineAttribute->getLineAttribute();
 161         }
 162
 163         const StrokeAttribute& SdrFormTextOutlineAttribute::getStrokeAttribute() const
 164         {
 165             return mpSdrFormTextOutlineAttribute->getStrokeAttribute();
 166         }
 167
 168         sal_uInt8 SdrFormTextOutlineAttribute::getTransparence() const
 169         {
 170             return mpSdrFormTextOutlineAttribute->getTransparence();
 171         }
 172     } // end of namespace attribute
 173 } // end of namespace drawinglayer
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */