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iff.h

/* Copyright (c) 1999, Not a Number / NeoGeo b.v. 
 * $Id: iff.h,v 1.7 2003/05/14 13:25:47 ton Exp $
 * 
 * All rights reserved.
 * 
 * Contact:      info@blender.org   
 * Information:  http://www.blender.org
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef IFF_H
#define IFF_H

#include <sys/types.h>
#include "util.h"

#define IB_rect               (1 << 0)
#define IB_planes       (1 << 1)
#define IB_cmap               (1 << 2)
#define IB_test               (1 << 7)

#define IB_fields       (1 << 11)
#define IB_yuv                (1 << 12)
#define IB_zbuf               (1 << 13)
#define IB_rgba               (1 << 14)

#define AMI     (1 << 31)
#define Anim      (1 << 29)
#define TGA     (1 << 28)
#define JPG       (1 << 27)

#define RAWTGA    (TGA | 1)

#define JPG_STD   (JPG | (0 << 8))
#define JPG_VID   (JPG | (1 << 8))
#define JPG_JST   (JPG | (2 << 8))
#define JPG_MAX   (JPG | (3 << 8))
#define JPG_MSK   (0xffffff00)

#define AM_ham        (0x0800 | AMI)
#define AM_hbrite   (0x0080 | AMI)
#define AM_lace       (0x0004 | AMI)
#define AM_hires    (0x8000 | AMI)
#define AM_hblace   (AM_hbrite | AM_lace)
#define AM_hilace   (AM_hires | AM_lace)
#define AM_hamlace  (AM_ham | AM_lace)

#define RGB888    1
#define RGB555    2
#define DYUV      3
#define CLUT8     4
#define CLUT7     5
#define CLUT4     6
#define CLUT3     7
#define RL7 8
#define RL3 9
#define MPLTE     10

#define DYUV1     0
#define C233      1
#define YUVX      2
#define HAMX      3
#define TANX      4

#define AN_c233               (Anim | C233)
#define AN_yuvx               (Anim | YUVX)
#define AN_hamx               (Anim | HAMX)
#define AN_tanx               (Anim | TANX)

#define IS_amiga(x)           (x->ftype & AMI)
#define IS_ham(x)       ((x->ftype & AM_ham) == AM_ham)
#define IS_hbrite(x)    ((x->ftype & AM_hbrite) == AM_hbrite)
#define IS_lace(x)            ((x->ftype & AM_lace) == AM_lace)
#define IS_hires(x)           ((x->ftype & AM_hires) == AM_hires)
#define IS_hblace(x)    ((x->ftype & AM_hblace) == AM_hblace)
#define IS_hilace(x)    ((x->ftype & AM_hilace) == AM_hilace)
#define IS_hamlace(x)   ((x->ftype & AM_hamlace) == AM_hamlace)

#define IS_anim(x)            (x->ftype & Anim)
#define IS_hamx(x)            (x->ftype == AN_hamx)

#define IS_tga(x)       (x->ftype & TGA)
#define IS_tim(x)       (x->ftype & TIM)

#define IMAGIC    0732
#define IS_iris(x)            (x->ftype == IMAGIC)

#define IS_jpg(x)       (x->ftype & JPG)
#define IS_stdjpg(x)    ((x->ftype & JPG_MSK) == JPG_STD)
#define IS_vidjpg(x)    ((x->ftype & JPG_MSK) == JPG_VID)
#define IS_jstjpg(x)    ((x->ftype & JPG_MSK) == JPG_JST)
#define IS_maxjpg(x)    ((x->ftype & JPG_MSK) == JPG_MAX)

#define AN_INIT an_stringdec = stringdec; an_stringenc = stringenc;

00116 typedef struct ImBuf{
00117       short x,y;        /* width in pixels, height in scanlines */
00118       short skipx;            /* width in ints to get to the next scanline */
00119       unsigned char     depth;            /* active amount of bits/bitplanes */
00120       unsigned char     cbits;            /* amount of active bits in cmap */
00121       unsigned short    mincol;
00122       unsigned short    maxcol;
00123       int   type;       /* 0=abgr, 1=bitplanes */
00124       int   ftype;
00125       unsigned int      *cmap;            /* int array van kleuren */
00126       unsigned int      *rect;            /* databuffer */
00127       unsigned int      **planes;   /* bitplanes */
00128       int   flags;
00129       int   mall;       /* what is malloced internal, and can be freed */
00130       short xorig, yorig;
00131       char  name[1023];
00132       char  namenull;
00133       int   userflags;
00134       int   *zbuf;
00135       void *userdata;
00136       unsigned char *encodedbuffer;
00137       unsigned int   encodedsize;
00138       unsigned int   encodedbuffersize;
} ImBuf;

extern struct ImBuf *allocImBuf(short,short,uchar,uint,uchar);
extern struct ImBuf *dupImBuf(struct ImBuf *);
extern void freeImBuf(struct ImBuf*);

extern short converttocmap(struct ImBuf* ibuf);

extern short saveiff(struct ImBuf *,char *,int);

extern struct ImBuf *loadiffmem(int *,int);
extern struct ImBuf *loadifffile(int,int);
extern struct ImBuf *loadiffname(char *,int);
extern struct ImBuf *testiffname(char *,int);

extern struct ImBuf *onehalf(struct ImBuf *);
extern struct ImBuf *onethird(struct ImBuf *);
extern struct ImBuf *halflace(struct ImBuf *);
extern struct ImBuf *half_x(struct ImBuf *);
extern struct ImBuf *half_y(struct ImBuf *);
extern struct ImBuf *double_x(struct ImBuf *);
extern struct ImBuf *double_y(struct ImBuf *);
extern struct ImBuf *double_fast_x(struct ImBuf *);
extern struct ImBuf *double_fast_y(struct ImBuf *);

extern int ispic(char *);

extern void dit2(struct ImBuf *, short, short);
extern void dit0(struct ImBuf *, short, short);

extern struct ImBuf *scaleImBuf(struct ImBuf *, short, short);
extern struct ImBuf *scalefastImBuf(struct ImBuf *, short, short);
extern struct ImBuf *scalefieldImBuf(struct ImBuf *, short, short);
extern struct ImBuf *scalefastfieldImBuf(struct ImBuf *, short, short);

/* Not sure if needed or not... was in the release version of this header.
I think its old but figured I'd leave it for a bit just incase.
mein@cs.umn.edu
extern void floyd(struct ImBuf *, short, short);
extern void dit3(struct ImBuf *, short, short);
extern void dit4(struct ImBuf *, short, short);
extern void (*ditherfunc)(struct ImBuf *, short, short);
extern long getdither();
*/

extern void de_interlace(struct ImBuf *ib);
extern void interlace(struct ImBuf *ib);
extern void gamwarp(struct ImBuf *ibuf, double gamma);

extern void rectop(struct ImBuf *dbuf, struct ImBuf *sbuf,
               int destx, int desty, int srcx,
               int srcy, int width, int height,
               void (*operation)(unsigned int *, unsigned int*, int, int),
               int value);

#endif /* IFF_H */


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