Fix and extend imageviewer png support. FS#11641 by me

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28413 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 77 insertions, 0 deletions

diff --git a/apps/plugins/imageviewer/png/tinf.h b/apps/plugins/imageviewer/png/tinf.h
new file mode 100644
index 0000000000..645bdb7d5a
--- /dev/null
+++ b/apps/plugins/imageviewer/png/tinf.h
@@ -0,0 +1,77 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Original source:
+ * Copyright (c) 2003 by Joergen Ibsen / Jibz
+ *
+ * Rockbox adaptation:
+ * Copyright (c) 2010 by Marcin Bukat
+ *
+ * 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
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/*
+ * tinf  -  tiny inflate library (inflate, gzip, zlib)
+ *
+ * version 1.00
+ *
+ * Copyright (c) 2003 by Joergen Ibsen / Jibz
+ * All Rights Reserved
+ *
+ * http://www.ibsensoftware.com/
+ */
+
+/* removed from original file:
+ * tinf_gzip_uncompress() prototype
+ * tinf_init() prototype
+ */
+
+#ifndef TINF_H_INCLUDED
+#define TINF_H_INCLUDED
+
+/* calling convention */
+#ifndef TINFCC
+ #ifdef __WATCOMC__
+  #define TINFCC __cdecl
+ #else
+  #define TINFCC
+ #endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define TINF_OK             0
+#define TINF_DATA_ERROR    (-3)
+
+/* function prototypes */
+
+int TINFCC tinf_uncompress(void *dest, unsigned int *destLen,
+                           const void *source, unsigned int sourceLen);
+
+int TINFCC tinf_zlib_uncompress(void *dest, unsigned int *destLen,
+                                const void *source, unsigned int sourceLen);
+
+unsigned int TINFCC tinf_adler32(const void *data, unsigned int length);
+
+unsigned int TINFCC tinf_crc32(const void *data, unsigned int length);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* TINF_H_INCLUDED */