diff options
Diffstat (limited to 'source/blender/imbuf/intern/hamx.c')
-rw-r--r-- | source/blender/imbuf/intern/hamx.c | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/hamx.c b/source/blender/imbuf/intern/hamx.c new file mode 100644 index 00000000000..b297548fde6 --- /dev/null +++ b/source/blender/imbuf/intern/hamx.c @@ -0,0 +1,593 @@ +/** + * + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/BL DUAL LICENSE BLOCK ***** + * hamx.c + * + * $Id$ + */ + +#include "BLI_blenlib.h" +#ifdef WIN32 +#include "BLI_winstuff.h" +#include <io.h> +#endif + + +#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" + +/* 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 (__PPC__) || defined (__ppc__) || 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, + + 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 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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 +}; + +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; + +/* + * + * Nieuwe versie: + * + * 32 helderheden Y 15 direct te bereiken (zwart & wit zijn specials) + * 16 kleuren H ue + * 7 intensiteiten S aturation + * + * Totaal 3584 'verschillende' kleuren. Eerste 512 kleuren vrij. + * + * + */ + +void imb_convhamx(struct ImBuf *ibuf, unsigned char coltab[][4], short *deltab) +/* struct ImBuf *ibuf; */ +/* uchar coltab[][4]; */ +/* 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[0][1]; + lg = coltab[0][2]; + lr = coltab[0][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][1]; + lg = coltab[col][2]; + lr = coltab[col][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[]) +/* struct ImBuf * ibuf; */ +/* uchar *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; + 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->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 *buf; */ +/* register uchar *rect; */ +/* int bytes; */ +{ + 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]){ /* drie dezelfde? */ + bytes --; /* bytes goed zetten */ + 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){ /* zoek naar eerste afwijkende byte */ + if (--bytes == 0) break; /* of einde regel */ + } + 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) +/* struct ImBuf *ibuf; */ +/* int file; */ +{ + int step, steps, size, i, skip; + 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); + + /* dither toevoegen */ + + 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; + } + + 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); +} |