Move JPEG decoding into a standalone class (these should have been checked in with r4757. Oops.)

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4758 3789f03b-4d11-0410-bbf8-ca57d06f2519

1 files changed, 60 insertions, 0 deletions

diff --git a/common/rfb/JpegDecompressor.h b/common/rfb/JpegDecompressor.h
new file mode 100644
index 00000000..ed367786
--- /dev/null
+++ b/common/rfb/JpegDecompressor.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 2000-2003 Constantin Kaplinsky.  All Rights Reserved.
+ * Copyright (C) 2004-2005 Cendio AB. All rights reserved.
+ * Copyright (C) 2011 D. R. Commander.  All Rights Reserved.
+ * 
+ * This 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 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software 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.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+//
+// JpegDecompressor decompresses a JPEG image into RGB output
+// an underlying MemOutStream
+//
+
+#ifndef __RFB_JPEGDECOMPRESSOR_H__
+#define __RFB_JPEGDECOMPRESSOR_H__
+
+#include <rfb/PixelFormat.h>
+#include <rfb/Rect.h>
+
+struct jpeg_decompress_struct;
+
+struct JPEG_ERROR_MGR;
+struct JPEG_SRC_MGR;
+
+namespace rfb {
+
+  class JpegDecompressor {
+
+  public:
+
+    JpegDecompressor(void);
+    virtual ~JpegDecompressor();
+
+    void decompress(const rdr::U8 *, int, rdr::U8 *, int, const Rect&,
+                    const PixelFormat&);
+
+  private:
+
+    struct jpeg_decompress_struct *dinfo;
+
+    struct JPEG_ERROR_MGR *err;
+    struct JPEG_SRC_MGR *src;
+
+  };
+
+} // end of namespace rfb
+
+#endif