gwenview/lib/iodevicejpegsourcemanager.h

   1 // vim: set tabstop=4 shiftwidth=4 noexpandtab:
   2 /*
   3 Gwenview: an image viewer
   4 Copyright 2008 Aurélien Gâteau <aurelien.gateau@free.fr>
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
  19
  20 */
  21 #ifndef IODEVICEJPEGSOURCEMANAGER_H
  22 #define IODEVICEJPEGSOURCEMANAGER_H
  23
  24 // Qt
  25
  26 // KDE
  27
  28 // Local
  29
  30 class QIODevice;
  31 struct jpeg_decompress_struct;
  32
  33 namespace Gwenview {
  34
  35 /**
  36  * This namespace provides a function which makes it possible to decode JPEG
  37  * files with libjpeg from a QIODevice instance.
  38  *
  39  * To use it, simply call setup() to initialize your jpeg_decompress_struct
  40  * with QIODevice-ready callbacks. The device should be opened for reading.
  41  */
  42 namespace IODeviceJpegSourceManager {
  43
  44 void setup(jpeg_decompress_struct* cinfo, QIODevice* ioDevice);
  45
  46 } // namespace
  47 } // namespace
  48
  49 #endif /* IODEVICEJPEGSOURCEMANAGER_H */