ImageManager/ImageDecoder.h

   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 #ifndef IMAGEDECODER_H
  19 #define IMAGEDECODER_H
  20
  21 #include <q3ptrlist.h>
  22 class QSize;
  23 class QImage;
  24
  25 namespace ImageManager
  26 {
  27
  28 class ImageDecoder {
  29 public:
  30         static bool decode( QImage *img, const QString& imageFile, QSize* fullSize, int dim=-1 );
  31         static bool mightDecode( const QString& imageFile );
  32
  33         virtual ~ImageDecoder();
  34
  35 protected:
  36         ImageDecoder();
  37         virtual bool _decode( QImage *img, const QString& imageFile, QSize* fullSize, int dim=-1 ) = 0;
  38         virtual bool _mightDecode( const QString& imageFile ) = 0;
  39
  40 private:
  41         static Q3PtrList<ImageDecoder>* decoders();
  42 };
  43 }
  44
  45 #endif /* IMAGEDECODER_H */
  46