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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date : 2005-06-14
+ * Description : A JPEG IO file for DImg framework
+ *
+ * Copyright (C) 2005 by Renchi Raju <[email protected]>, Gilles Caulier
+ * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * ============================================================ */
+
+#ifndef JPEGLOADER_H
+#define JPEGLOADER_H
+
+// C ansi includes.
+
+extern "C"
+{
+#include <setjmp.h>
+#include <jpeglib.h>
+}
+
+// TQt includes.
+
+#include <tqstring.h>
+
+// Local includes.
+
+#include "dimgloader.h"
+#include "digikam_export.h"
+
+namespace Digikam
+{
+class DImg;
+
+class DIGIKAM_EXPORT JPEGLoader : public DImgLoader
+{
+
+public:
+
+ JPEGLoader(DImg* image);
+
+ bool load(const TQString& filePath, DImgLoaderObserver *observer);
+ bool save(const TQString& filePath, DImgLoaderObserver *observer);
+
+ virtual bool hasAlpha() const { return false; }
+ virtual bool sixteenBit() const { return false; }
+ virtual bool isReadOnly() const { return false; };
+
+private:
+
+ // To manage Errors/Warnings handling provide by libjpeg
+
+ struct dimg_jpeg_error_mgr : public jpeg_error_mgr
+ {
+ jmp_buf setjmp_buffer;
+ };
+
+ static void dimg_jpeg_error_exit(j_common_ptr cinfo);
+ static void dimg_jpeg_emit_message(j_common_ptr cinfo, int msg_level);
+ static void dimg_jpeg_output_message(j_common_ptr cinfo);
+
+};
+
+} // NameSpace Digikam
+
+#endif /* JPEGLOADER_H */