ImageManager/ImageRequest.cpp

   1 /* Copyright (C) 2003-2006 Jesper K. Pedersen <blackie@kde.org>
   2
   3    This program is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU General Public
   5    License as published by the Free Software Foundation; either
   6    version 2 of the License, or (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; see the file COPYING.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18 #include "ImageRequest.h"
  19
  20 ImageManager::ImageRequest::ImageRequest( const QString& fileName,
  21                                           const QSize& size, int angle,
  22                                           ImageManager::ImageClient* client )
  23     : _null( false ),
  24       _fileName( fileName ),
  25       _width( size.width() ),
  26       _height( size.height() ),
  27       _client( client ),
  28       _angle( angle ),
  29       _priority( ThumbnailVisible ),
  30       _loadedOK( false ),
  31       _dontUpScale( false )
  32 {
  33 }
  34
  35 bool ImageManager::ImageRequest::loadedOK() const
  36 {
  37     return _loadedOK;
  38 }
  39
  40 bool ImageManager::ImageRequest::isNull() const
  41 {
  42     return _null;
  43 }
  44
  45 QString ImageManager::ImageRequest::fileName() const
  46 {
  47     // We need a lock here to avoid a race condition in Operator T() of QDeepCopy
  48     QMutexLocker dummy( &_fileNameLock );
  49     return _fileName;
  50 }
  51
  52 int ImageManager::ImageRequest::width() const
  53 {
  54     return _width;
  55 }
  56
  57 int ImageManager::ImageRequest::height() const
  58 {
  59     return _height;
  60 }
  61
  62 bool ImageManager::ImageRequest::operator<( const ImageRequest& other ) const
  63 {
  64     const QString fileA = fileName();
  65     const QString fileB = other.fileName();
  66
  67     if (  fileA != fileB )
  68         return fileA < fileB;
  69     else if ( _width != other._width )
  70         return _width < other._width;
  71     else if ( _height != other._height )
  72         return _height < other._height;
  73     else
  74         return _angle < other._angle;
  75 }
  76
  77 bool ImageManager::ImageRequest::operator==( const ImageRequest& other ) const
  78 {
  79     // Compare all atributes but the pixmap.
  80     return ( _null == other._null && fileName() == other.fileName() &&
  81              _width == other._width && _height == other._height &&
  82              _angle == other._angle && _client == other._client &&
  83              _priority == other._priority );
  84 }
  85
  86 ImageManager::ImageClient* ImageManager::ImageRequest::client() const
  87 {
  88     return _client;
  89 }
  90
  91 int ImageManager::ImageRequest::angle() const
  92 {
  93     return _angle;
  94 }
  95
  96 QSize ImageManager::ImageRequest::fullSize() const
  97 {
  98     return _fullSize;
  99 }
 100
 101 void ImageManager::ImageRequest::setFullSize( const QSize& size )
 102 {
 103     _fullSize = size;
 104 }
 105
 106 void ImageManager::ImageRequest::setLoadedOK( bool ok )
 107 {
 108     _loadedOK = ok;
 109 }
 110
 111 ImageManager::Priority ImageManager::ImageRequest::priority() const
 112 {
 113     return _priority;
 114 }
 115
 116 void ImageManager::ImageRequest::setPriority( const Priority prio )
 117 {
 118     _priority = prio;
 119 }
 120
 121 bool ImageManager::ImageRequest::stillNeeded() const
 122 {
 123     return true;
 124 }
 125
 126 bool ImageManager::ImageRequest::doUpScale() const
 127 {
 128     return !_dontUpScale;
 129 }
 130
 131 void ImageManager::ImageRequest::setUpScale( bool b )
 132 {
 133     _dontUpScale = !b;
 134 }