Merge image related changes from the render branch. This includes the image

tile cache code in imbuf, but it is not hooked up to the render engine.


Imbuf module: some small refactoring and removing a lot of unused or old code
(about 6.5k lines).

* Added a ImFileType struct with callbacks to make adding an file format type,
  or making changes to the API easier.
* Move imbuf init/exit code into IMB_init()/IMB_exit() functions.
* Increased mipmap levels from 10 to 20, you run into this limit already with
  a 2k image.
* Removed hamx, amiga, anim5 format support.
* Removed colormap saving, only simple colormap code now for reading tga.
* Removed gen_dynlibtiff.py, editing this is almost as much work as just
  editing the code directly.
* Functions removed that were only used for sequencer plugin API:
  IMB_anim_nextpic, IMB_clever_double, IMB_antialias, IMB_gamwarp,
  IMB_scalefieldImBuf, IMB_scalefastfieldImBuf, IMB_onethird, IMB_halflace,
  IMB_dit0, IMB_dit2, IMB_cspace
* Write metadata info into OpenEXR images. Can be viewed with the command
  line utility 'exrheader'

For the image tile cache code, see this page:
http://wiki.blender.org/index.php/Dev:2.5/Source/Imaging/ImageTileCache

1 files changed, 0 insertions, 581 deletions

diff --git a/source/blender/imbuf/intern/hamx.c b/source/blender/imbuf/intern/hamx.c
deleted file mode 100644
index 57672f54999..00000000000
--- a/source/blender/imbuf/intern/hamx.c
+++ /dev/null
@@ -1,581 +0,0 @@
-/**
- *
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * 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 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
- * All rights reserved.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- * hamx.c
- *
- * $Id$
- */
-
-#include "BLI_blenlib.h"
-
-#include "imbuf.h"
-#include "imbuf_patch.h"
-#include "IMB_imbuf_types.h"
-#include "IMB_imbuf.h"
-
-#include "IMB_allocimbuf.h"
-#include "IMB_filter.h"
-#include "IMB_ham.h"
-#include "IMB_hamx.h"
-
-#ifdef WIN32
-#include <io.h>
-#include "BLI_winstuff.h"
-#endif
-
-/* actually hard coded endianness */
-#define GET_BIG_LONG(x) (((uchar *) (x))[0] << 24 | ((uchar *) (x))[1] << 16 | ((uchar *) (x))[2] << 8 | ((uchar *) (x))[3])
-#define GET_LITTLE_LONG(x) (((uchar *) (x))[3] << 24 | ((uchar *) (x))[2] << 16 | ((uchar *) (x))[1] << 8 | ((uchar *) (x))[0])
-#define SWAP_L(x) (((x << 24) & 0xff000000) | ((x << 8) & 0xff0000) | ((x >> 8) & 0xff00) | ((x >> 24) & 0xff))
-#define SWAP_S(x) (((x << 8) & 0xff00) | ((x >> 8) & 0xff))
-
-/* more endianness... should move to a separate file... */
-#if defined(__sgi) || defined (__sparc) || defined (__sparc__) || defined (__PPC__) || defined (__ppc__) || defined (__hppa__) || defined (__BIG_ENDIAN__)
-#define GET_ID GET_BIG_LONG
-#define LITTLE_LONG SWAP_LONG
-#else
-#define GET_ID GET_LITTLE_LONG
-#define LITTLE_LONG ENDIAN_NOP
-#endif
-
-#ifndef ABS
-#define ABS(x)	((x) < 0 ? -(x) : (x))
-#endif
-
-static uchar hamx_array_char[] = {
-	0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF,
-	0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF, 0x00,0x00,0xFF,0xFF,
-	0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF,
-	0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF, 0x00,0xFF,0x00,0xFF,
-	0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00,
-	0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00, 0x00,0xFF,0xFF,0x00,
-	
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-	
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-	0x00,0xA0,0x00,0x00, 0x00,0xA0,0x00,0x30, 0x00,0xA0,0x00,0x60, 0x00,0xA0,0x00,0x90, 0x00,0xA0,0x00,0xC0, 0x00,0xA0,0x00,0xF0,
-	0x00,0xA0,0x20,0x00, 0x00,0xA0,0x20,0x30, 0x00,0xA0,0x20,0x60, 0x00,0xA0,0x20,0x90, 0x00,0xA0,0x20,0xC0, 0x00,0xA0,0x20,0xF0,
-	0x00,0xA0,0x40,0x00, 0x00,0xA0,0x40,0x30, 0x00,0xA0,0x40,0x60, 0x00,0xA0,0x40,0x90, 0x00,0xA0,0x40,0xC0, 0x00,0xA0,0x40,0xF0,
-	0x00,0xA0,0x60,0x00, 0x00,0xA0,0x60,0x30, 0x00,0xA0,0x60,0x60, 0x00,0xA0,0x60,0x90, 0x00,0xA0,0x60,0xC0, 0x00,0xA0,0x60,0xF0,
-	0x00,0xA0,0x90,0x00, 0x00,0xA0,0x90,0x30, 0x00,0xA0,0x90,0x60, 0x00,0xA0,0x90,0x90, 0x00,0xA0,0x90,0xC0, 0x00,0xA0,0x90,0xF0,
-	0x00,0xA0,0xB0,0x00, 0x00,0xA0,0xB0,0x30, 0x00,0xA0,0xB0,0x60, 0x00,0xA0,0xB0,0x90, 0x00,0xA0,0xB0,0xC0, 0x00,0xA0,0xB0,0xF0,
-	0x00,0xA0,0xD0,0x00, 0x00,0xA0,0xD0,0x30, 0x00,0xA0,0xD0,0x60, 0x00,0xA0,0xD0,0x90, 0x00,0xA0,0xD0,0xC0, 0x00,0xA0,0xD0,0xF0,
-	0x00,0xA0,0xF0,0x00, 0x00,0xA0,0xF0,0x30, 0x00,0xA0,0xF0,0x60, 0x00,0xA0,0xF0,0x90, 0x00,0xA0,0xF0,0xC0, 0x00,0xA0,0xF0,0xF0,
-	0x00,0xF0,0x00,0x00, 0x00,0xF0,0x00,0x30, 0x00,0xF0,0x00,0x60, 0x00,0xF0,0x00,0x90, 0x00,0xF0,0x00,0xC0, 0x00,0xF0,0x00,0xF0,
-	0x00,0xF0,0x20,0x00, 0x00,0xF0,0x20,0x30, 0x00,0xF0,0x20,0x60, 0x00,0xF0,0x20,0x90, 0x00,0xF0,0x20,0xC0, 0x00,0xF0,0x20,0xF0,
-	0x00,0xF0,0x40,0x00, 0x00,0xF0,0x40,0x30, 0x00,0xF0,0x40,0x60, 0x00,0xF0,0x40,0x90, 0x00,0xF0,0x40,0xC0, 0x00,0xF0,0x40,0xF0,
-	0x00,0xF0,0x60,0x00, 0x00,0xF0,0x60,0x30, 0x00,0xF0,0x60,0x60, 0x00,0xF0,0x60,0x90, 0x00,0xF0,0x60,0xC0, 0x00,0xF0,0x60,0xF0,
-	0x00,0xF0,0x90,0x00, 0x00,0xF0,0x90,0x30, 0x00,0xF0,0x90,0x60, 0x00,0xF0,0x90,0x90, 0x00,0xF0,0x90,0xC0, 0x00,0xF0,0x90,0xF0,
-	0x00,0xF0,0xB0,0x00, 0x00,0xF0,0xB0,0x30, 0x00,0xF0,0xB0,0x60, 0x00,0xF0,0xB0,0x90, 0x00,0xF0,0xB0,0xC0, 0x00,0xF0,0xB0,0xF0,
-	0x00,0xF0,0xD0,0x00, 0x00,0xF0,0xD0,0x30, 0x00,0xF0,0xD0,0x60, 0x00,0xF0,0xD0,0x90, 0x00,0xF0,0xD0,0xC0, 0x00,0xF0,0xD0,0xF0,
-	0x00,0xF0,0xF0,0x00, 0x00,0xF0,0xF0,0x30, 0x00,0xF0,0xF0,0x60, 0x00,0xF0,0xF0,0x90, 0x00,0xF0,0xF0,0xC0, 0x00,0xF0,0xF0,0xF0,
-	
-	0x00,0x10,0x10,0x10, 0x00,0x20,0x20,0x20, 0x00,0x30,0x30,0x30, 0x00,0x40,0x40,0x40,
-	0x00,0x50,0x50,0x50, 0x00,0x60,0x60,0x60, 0x00,0x70,0x70,0x70, 0x00,0x80,0x80,0x80,
-	0x00,0x90,0x90,0x90, 0x00,0xA0,0xA0,0xA0, 0x00,0xB0,0xB0,0xB0, 0x00,0xC0,0xC0,0xC0,
-	0x00,0xD0,0xD0,0xD0, 0x00,0xE0,0xE0,0xE0
-};
-
-static int * hamx_array = (int *) (hamx_array_char);
-
-static uchar cmap_hamx[] = {
-	0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x30, 0x00,0x00,0x00,0x60, 0x00,0x00,0x00,0x90, 0x00,0x00,0x00,0xC0, 0x00,0x00,0x00,0xF0,
-	0x00,0x00,0x20,0x00, 0x00,0x00,0x20,0x30, 0x00,0x00,0x20,0x60, 0x00,0x00,0x20,0x90, 0x00,0x00,0x20,0xC0, 0x00,0x00,0x20,0xF0,
-	0x00,0x00,0x40,0x00, 0x00,0x00,0x40,0x30, 0x00,0x00,0x40,0x60, 0x00,0x00,0x40,0x90, 0x00,0x00,0x40,0xC0, 0x00,0x00,0x40,0xF0,
-	0x00,0x00,0x60,0x00, 0x00,0x00,0x60,0x30, 0x00,0x00,0x60,0x60, 0x00,0x00,0x60,0x90, 0x00,0x00,0x60,0xC0, 0x00,0x00,0x60,0xF0,
-	0x00,0x00,0x90,0x00, 0x00,0x00,0x90,0x30, 0x00,0x00,0x90,0x60, 0x00,0x00,0x90,0x90, 0x00,0x00,0x90,0xC0, 0x00,0x00,0x90,0xF0,
-	0x00,0x00,0xB0,0x00, 0x00,0x00,0xB0,0x30, 0x00,0x00,0xB0,0x60, 0x00,0x00,0xB0,0x90, 0x00,0x00,0xB0,0xC0, 0x00,0x00,0xB0,0xF0,
-	0x00,0x00,0xD0,0x00, 0x00,0x00,0xD0,0x30, 0x00,0x00,0xD0,0x60, 0x00,0x00,0xD0,0x90, 0x00,0x00,0xD0,0xC0, 0x00,0x00,0xD0,0xF0,
-	0x00,0x00,0xF0,0x00, 0x00,0x00,0xF0,0x30, 0x00,0x00,0xF0,0x60, 0x00,0x00,0xF0,0x90, 0x00,0x00,0xF0,0xC0, 0x00,0x00,0xF0,0xF0,
-	0x00,0x50,0x00,0x00, 0x00,0x50,0x00,0x30, 0x00,0x50,0x00,0x60, 0x00,0x50,0x00,0x90, 0x00,0x50,0x00,0xC0, 0x00,0x50,0x00,0xF0,
-	0x00,0x50,0x20,0x00, 0x00,0x50,0x20,0x30, 0x00,0x50,0x20,0x60, 0x00,0x50,0x20,0x90, 0x00,0x50,0x20,0xC0, 0x00,0x50,0x20,0xF0,
-	0x00,0x50,0x40,0x00, 0x00,0x50,0x40,0x30, 0x00,0x50,0x40,0x60, 0x00,0x50,0x40,0x90, 0x00,0x50,0x40,0xC0, 0x00,0x50,0x40,0xF0,
-	0x00,0x50,0x60,0x00, 0x00,0x50,0x60,0x30, 0x00,0x50,0x60,0x60, 0x00,0x50,0x60,0x90, 0x00,0x50,0x60,0xC0, 0x00,0x50,0x60,0xF0,
-	0x00,0x50,0x90,0x00, 0x00,0x50,0x90,0x30, 0x00,0x50,0x90,0x60, 0x00,0x50,0x90,0x90, 0x00,0x50,0x90,0xC0, 0x00,0x50,0x90,0xF0,
-	0x00,0x50,0xB0,0x00, 0x00,0x50,0xB0,0x30, 0x00,0x50,0xB0,0x60, 0x00,0x50,0xB0,0x90, 0x00,0x50,0xB0,0xC0, 0x00,0x50,0xB0,0xF0,
-	0x00,0x50,0xD0,0x00, 0x00,0x50,0xD0,0x30, 0x00,0x50,0xD0,0x60, 0x00,0x50,0xD0,0x90, 0x00,0x50,0xD0,0xC0, 0x00,0x50,0xD0,0xF0,
-	0x00,0x50,0xF0,0x00, 0x00,0x50,0xF0,0x30, 0x00,0x50,0xF0,0x60, 0x00,0x50,0xF0,0x90, 0x00,0x50,0xF0,0xC0, 0x00,0x50,0xF0,0xF0,
-	0x00,0xA0,0x00,0x00, 0x00,0xA0,0x00,0x30, 0x00,0xA0,0x00,0x60, 0x00,0xA0,0x00,0x90, 0x00,0xA0,0x00,0xC0, 0x00,0xA0,0x00,0xF0,
-	0x00,0xA0,0x20,0x00, 0x00,0xA0,0x20,0x30, 0x00,0xA0,0x20,0x60, 0x00,0xA0,0x20,0x90, 0x00,0xA0,0x20,0xC0, 0x00,0xA0,0x20,0xF0,
-	0x00,0xA0,0x40,0x00, 0x00,0xA0,0x40,0x30, 0x00,0xA0,0x40,0x60, 0x00,0xA0,0x40,0x90, 0x00,0xA0,0x40,0xC0, 0x00,0xA0,0x40,0xF0,
-	0x00,0xA0,0x60,0x00, 0x00,0xA0,0x60,0x30, 0x00,0xA0,0x60,0x60, 0x00,0xA0,0x60,0x90, 0x00,0xA0,0x60,0xC0, 0x00,0xA0,0x60,0xF0,
-	0x00,0xA0,0x90,0x00, 0x00,0xA0,0x90,0x30, 0x00,0xA0,0x90,0x60, 0x00,0xA0,0x90,0x90, 0x00,0xA0,0x90,0xC0, 0x00,0xA0,0x90,0xF0,
-	0x00,0xA0,0xB0,0x00, 0x00,0xA0,0xB0,0x30, 0x00,0xA0,0xB0,0x60, 0x00,0xA0,0xB0,0x90, 0x00,0xA0,0xB0,0xC0, 0x00,0xA0,0xB0,0xF0,
-	0x00,0xA0,0xD0,0x00, 0x00,0xA0,0xD0,0x30, 0x00,0xA0,0xD0,0x60, 0x00,0xA0,0xD0,0x90, 0x00,0xA0,0xD0,0xC0, 0x00,0xA0,0xD0,0xF0,
-	0x00,0xA0,0xF0,0x00, 0x00,0xA0,0xF0,0x30, 0x00,0xA0,0xF0,0x60, 0x00,0xA0,0xF0,0x90, 0x00,0xA0,0xF0,0xC0, 0x00,0xA0,0xF0,0xF0,
-	0x00,0xF0,0x00,0x00, 0x00,0xF0,0x00,0x30, 0x00,0xF0,0x00,0x60, 0x00,0xF0,0x00,0x90, 0x00,0xF0,0x00,0xC0, 0x00,0xF0,0x00,0xF0,
-	0x00,0xF0,0x20,0x00, 0x00,0xF0,0x20,0x30, 0x00,0xF0,0x20,0x60, 0x00,0xF0,0x20,0x90, 0x00,0xF0,0x20,0xC0, 0x00,0xF0,0x20,0xF0,
-	0x00,0xF0,0x40,0x00, 0x00,0xF0,0x40,0x30, 0x00,0xF0,0x40,0x60, 0x00,0xF0,0x40,0x90, 0x00,0xF0,0x40,0xC0, 0x00,0xF0,0x40,0xF0,
-	0x00,0xF0,0x60,0x00, 0x00,0xF0,0x60,0x30, 0x00,0xF0,0x60,0x60, 0x00,0xF0,0x60,0x90, 0x00,0xF0,0x60,0xC0, 0x00,0xF0,0x60,0xF0,
-	0x00,0xF0,0x90,0x00, 0x00,0xF0,0x90,0x30, 0x00,0xF0,0x90,0x60, 0x00,0xF0,0x90,0x90, 0x00,0xF0,0x90,0xC0, 0x00,0xF0,0x90,0xF0,
-	0x00,0xF0,0xB0,0x00, 0x00,0xF0,0xB0,0x30, 0x00,0xF0,0xB0,0x60, 0x00,0xF0,0xB0,0x90, 0x00,0xF0,0xB0,0xC0, 0x00,0xF0,0xB0,0xF0,
-	0x00,0xF0,0xD0,0x00, 0x00,0xF0,0xD0,0x30, 0x00,0xF0,0xD0,0x60, 0x00,0xF0,0xD0,0x90, 0x00,0xF0,0xD0,0xC0, 0x00,0xF0,0xD0,0xF0,
-	0x00,0xF0,0xF0,0x00, 0x00,0xF0,0xF0,0x30, 0x00,0xF0,0xF0,0x60, 0x00,0xF0,0xF0,0x90, 0x00,0xF0,0xF0,0xC0, 0x00,0xF0,0xF0,0xF0,
-	0x00,0x10,0x10,0x10, 0x00,0x20,0x20,0x20, 0x00,0x30,0x30,0x30, 0x00,0x40,0x40,0x40, 0x00,0x50,0x50,0x50, 0x00,0x60,0x60,0x60,
-	0x00,0x70,0x70,0x70, 0x00,0x80,0x80,0x80, 0x00,0x90,0x90,0x90, 0x00,0xA0,0xA0,0xA0, 0x00,0xB0,0xB0,0xB0, 0x00,0xC0,0xC0,0xC0,
-	0x00,0xD0,0xD0,0xD0, 0x00,0xE0,0xE0,0xE0
-};
-
-
-float adat_gamma = 1.0;
-float adat_distort = 1.0;
-
-/*
- * 
- * New version:
- * 
- * 32 brighntesses	Y			 15 with direct access (black and white are specials)
- * 16 colors		H ue		
- * 7 intensities	S aturation
- * 
- * Total 3584 'different' colors. First 512 colors free.
- * 
- * 
- */
-
-void imb_convhamx(struct ImBuf *ibuf, unsigned char *coltab, short *deltab)
-{
-	short r,g,b,lr,lg,lb,dr,dg,db,col,fout,type,step;
-	int i;
-	uchar *rect;
-
-	/*
-		b 	= 0000 xxxx
-		g	= 0001 xxxx
-		r	= 0010 xxxx
-		cmap  >=  48
-	*/
-
-	for (step = 0 ; step < 2 ; step ++){
-		rect =  (uchar *) ibuf->rect;
-		rect += 4*step;
-		i = ((ibuf->x * ibuf->y) + 2 - step - 1) / 2;
-
-		lb = coltab[1];
-		lg = coltab[2];
-		lr = coltab[3];
-		type = col = 0;
-
-		for ( ;i>0;i--){
-			b = rect[2] >> 4;
-			g = rect[1] >> 4;
-			r = rect[0] >> 4;
-
-			if ((b-lb) | (g-lg) | (r-lr)){
-				col = ((b<<8) + (g<<4) + r) << 1;
-				fout = deltab[col + 1];
-				col = deltab[col];
-				type = 0;
-				dr = quadr[lr-r] ;
-				dg = quadr[lg-g] ;
-				db = quadr[lb-b];
-
-				if ((dr+dg)<=fout) {
-					fout = dr+dg ;
-					type = 1;
-				}
-				if ((dg+db)<=fout) {
-					fout = dg+db;
-					type = 2;
-				}
-				if ((dr+db)<=fout) {
-					fout = dr+db;
-					type = 4;
-				}
-
-				switch(type){
-				case 1:
-					lb = b ;
-					col = b;
-					break;
-				case 4:
-					lg = g ;
-					col = g+16;
-					break;
-				case 2:
-					lr = r ;
-					col = r + 32;
-					break;
-				default:
-					/*printf("%04x %5d %5d  ", (b<<8) + (g<<4) + r, col, fout);*/
-					
-					lb = coltab[col*4 + 1];
-					lg = coltab[col*4 + 2];
-					lr = coltab[col*4 + 3];
-					/*printf("%01x%01x%01x %01x%01x%01x\n", b, g, r, lb, lg, lr);*/
-					col += 48;
-				}
-			}
-			rect[3] = col;
-			rect += 8;
-		}
-	}
-}
-
-static short dec_hamx(struct ImBuf * ibuf, unsigned char *body, int cmap[])
-{
-	int todo,i;
-	int j,step,col;
-	unsigned int *rect;
-
-	for (step = 0 ; step < 2 ; step ++){
-		rect = ibuf->rect;
-		rect += step;
-		todo = (ibuf->x * ibuf->y + 2 - step - 1) / 2;
-		col = cmap[0];
-		while (todo>0){
-			i = *body++;
-
-			if (i & 128){			/* fill */
-
-				i = 257-i;
-				todo -= i;
-				j = *(body++);
-
-				col = ((col & hamx_array[j]) | hamx_array[j + 256]);
-
-				do{
-					*rect = col;
-					rect += 2;
-				}while (--i);
-			} else{				/* copy */
-				i++;
-				todo-=i;
-
-				do{
-					j = *(body++);
-					*rect = col = ((col & hamx_array[j]) | hamx_array[j + 256]);
-					rect += 2;
-				}while (--i);
-			}
-		}
-		if (todo) return (0);
-	}
-	return(1);
-}
-
-
-struct ImBuf *imb_loadanim(int *iffmem, int flags)
-{
-	int chunk, totlen, len, *mem, cmaplen = 0;
-	unsigned int *cmap = NULL;
-	uchar *body = 0;
-	struct Adat adat;
-	struct ImBuf *ibuf=0;
-	static int is_flipped = FALSE;
-	
-	mem=iffmem;
-	if (GET_ID(mem) != FORM) return (0);
-	if (GET_ID(mem + 2) != ANIM) return (0);
-	totlen= (GET_BIG_LONG(mem + 1) + 1) & ~1;
-	mem += 3;
-	totlen -= 4;
-	adat.w = 0;
-	adat.xorig = 0;
-	adat.yorig = 0;
-	adat.gamma = adat_gamma;
-	adat.distort = adat_distort;
-	
-	while(totlen > 0){
-		chunk = GET_ID(mem);
-		len = (GET_BIG_LONG(mem + 1) + 1) & ~1;
-		mem += 2;
-
-		totlen -= len+8;
-		switch (chunk){
-		case ADAT:
-			if (len > sizeof(struct Adat)){
-				memcpy(&adat,mem,sizeof(struct Adat));
-			} else{
-				memcpy(&adat,mem,len);
-			}
-			adat.w = BIG_SHORT(adat.w);
-			adat.h = BIG_SHORT(adat.h);
-			adat.type = BIG_SHORT(adat.type);
-			adat.xorig = BIG_SHORT(adat.xorig);
-			adat.yorig = BIG_SHORT(adat.yorig);
-			break;
-		case CMAP:
-			cmap = (unsigned int *) mem;
-			cmaplen = len;
-			break;
-		case BODY:
-			body = (uchar *) mem;
-			break;
-		}
-		mem = (int *)((uchar *)mem +len);
-	}
-
-	if (body == 0) return (0);
-	if (adat.w == 0) return (0);
-
-	adat_gamma = adat.gamma;
-	adat_distort = adat.distort;
-
-	if (flags & IB_test) ibuf=IMB_allocImBuf(adat.w, adat.h, 24, 0, 0);
-	else ibuf=IMB_allocImBuf(adat.w, adat.h, 24, IB_rect, 0);
-	if (ibuf==0) return (0);
-
-	ibuf->ftype = (Anim | adat.type);
-	ibuf->profile = IB_PROFILE_SRGB;
-	ibuf->xorig = adat.xorig;
-	ibuf->yorig = adat.yorig;
-	ibuf->flags = flags;
-	
-	if (cmaplen){
-		ibuf->cmap = malloc(cmaplen);
-		memcpy(ibuf->cmap, cmap, cmaplen);
-		ibuf->maxcol = cmaplen >> 2;
-	}
-
-	if (flags & IB_test){
-		if (flags & IB_freem) free(iffmem);
-		return(ibuf);
-	}
-
-	switch (adat.type){
-	case HAMX:
-		if (flags & IB_rect){
-			if (!is_flipped) {
-				int i;
-				unsigned int * t;
-				t = (unsigned int *) hamx_array_char;
-				for (i = 0; i < sizeof(hamx_array_char) / sizeof(int) ; i++) {
-					t[i] = SWAP_LONG(t[i]);
-				}
-				
-				t = (unsigned int *) cmap_hamx;
-			
-				for (i = 0; i < sizeof(cmap_hamx) / sizeof(int) ; i++) {
-					t[i] = SWAP_LONG(t[i]);
-				}
-				
-				is_flipped= TRUE;
-			}
-
-			if (dec_hamx(ibuf,body,(int*) cmap_hamx) == 0){
-				IMB_freeImBuf(ibuf);
-				ibuf = 0;
-			}
-			if (flags & IB_ttob) IMB_flipy(ibuf);
-		}
-		break;
-	default:
-		IMB_freeImBuf(ibuf);
-		ibuf = 0;
-	}
-	
-	if (flags & IB_freem) free(iffmem);
-
-	return (ibuf);
-}
-
-
-static unsigned char *makebody_anim(int bytes,
-							 unsigned char *buf,
-							 unsigned char *rect)
-{
-	register uchar last,this;
-	register int copy;
-	register uchar *rectstart,*temp;
-
-	bytes--;
-	rectstart = rect;
-	last = *rect++;
-	this = *rect++;
-	copy = last^this;
-	while (bytes>0){
-		if (copy){
-			do{
-				last = this;
-				this = *rect++;
-				if (last == this){
-					if (this == rect[-3]){		/* three the same? */
-						bytes --;					/* init bytes */
-						break;
-					}
-				}
-			}while (--bytes != 0);
-
-			copy = rect-rectstart;
-			copy --;
-			if (bytes) copy -= 2;
-
-			temp = rect;
-			rect = rectstart;
-
-			while (copy){
-				last = copy;
-				if (copy>MAXDAT) last = MAXDAT;
-				copy -= last;
-				*buf++ = last-1;
-				do{
-					*buf++ = *rect++;
-				}while(--last != 0);
-			}
-			rectstart = rect;
-			rect = temp;
-			last = this;
-
-			copy = FALSE;
-		} else {
-			while (*rect++ == this){		/* seek first different byte */
-				if (--bytes == 0) break;	/* or end of line */
-			}
-			rect --;
-			copy = rect-rectstart;
-			rectstart = rect;
-			bytes --;
-			this = *rect++;
-
-			while (copy){
-				if (copy>MAXRUN){
-					*buf++ = -(MAXRUN-1);
-					*buf++ = last;
-					copy -= MAXRUN;
-				} else {
-					*buf++ = -(copy-1);
-					*buf++ = last;
-					break;
-				}
-			}
-			copy=TRUE;
-		}
-	}
-	return (buf);
-}
-
-
-short imb_enc_anim(struct ImBuf *ibuf, int file)
-{
-	int step, size, i, skip, steps = 0;
-	uchar *buf1, *crect, *_buf1, *_buf2, *bufend;
-	short ok = TRUE;
-
-	if (ibuf == 0) return (0);
-	if (file < 0 ) return (0);
-	if (ibuf->rect == 0) return(0);
-
-	/* add dither */
-
-	switch(ibuf->ftype){
-	case AN_hamx:
-		ibuf->cmap = (unsigned int *) cmap_hamx;
-		ibuf->mincol = 0;
-		ibuf->maxcol = sizeof(cmap_hamx) / 4;
-		imb_converttoham(ibuf);
-		steps = 2;
-		break;
-	}
-	if (steps == 0) return 0;
-
-	size = ((ibuf->x + 1)* (ibuf->y + 1)) / steps + 1024;
-	if ((_buf1  = malloc(size)) == 0) return(0);
-	if ((_buf2  = malloc(size)) == 0){
-		free(_buf1);
-		return(0);
-	}
-
-	skip = 4 * steps;
-	for (step = 0 ; step < steps ; step ++){
-		crect = (uchar *) ibuf->rect;
-		crect += 4 * step;
-		size = (ibuf->x * ibuf->y + steps - step - 1) / steps;
-		buf1 = _buf1;
-		if ((ibuf->ftype == AN_hamx) || (ibuf->ftype == AN_yuvx)){
-			crect += 3;
-			for (i = size ; i>0 ; i--){
-				*(buf1 ++) = *crect;
-				crect += skip;
-			}
-		} else{
-			for (i = size ; i>0 ; i--){
-				*(buf1 ++) = crect[1] + (crect[2] >> 2) + (crect[3] >> 5);
-				crect += skip;
-			}
-		}
-		bufend = makebody_anim(size,_buf2,_buf1);
-		if (bufend == 0){
-			ok = FALSE;
-			break;
-		}
-		size = bufend - _buf2;
-		if (write(file, _buf2, size) != size){
-			ok = FALSE;
-			break;
-		}
-	}
-	free(_buf1);
-	free(_buf2);
-	return (ok);
-}