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FishMarket 1.0
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myreadpict.h
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C/C++ Source or Header
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1992-05-06
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2KB
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81 lines
/* myreadpict.h */
#ifndef MYREADPICT_H
#define MYREADPICT_H
#ifndef ILBM_H
#include <iff/ilbm.h>
#endif
#ifndef GRAPHICS_GFX_H
#include <graphics/gfx.h>
#endif
#define EXDepth 6 /* Maximum depth (6=HAM) */
#define maxColorReg 32
#define maxCycles 8
#define RNG_NORATE 36 /* Dpaint uses this rate to mean non-active */
typedef struct {
ULONG ViewModes;
} CamgChunk;
typedef struct {
WORD pad1; /* future exp - store 0 here */
WORD rate; /* 60/sec=16384, 30/sec=8192, 1/sec=16384/60=273 */
WORD active; /* lo bit 0=no cycle, 1=yes; next bit 1=rvs */
UBYTE low; /* range lower */
UBYTE high; /* range upper */
} CrngChunk;
typedef struct {
WORD direction; /* 0=don't cycle, 1=forward, -1=backwards */
UBYTE start; /* range lower */
UBYTE end; /* range upper */
LONG seconds; /* seconds between cycling */
LONG microseconds; /* msecs between cycling */
WORD pad; /* future exp - store 0 here */
} CcrtChunk;
#define GetCAMG(context, camg) \
IFFReadBytes(context, (BYTE *)camg, sizeof(CamgChunk))
#define ID_CRNG MakeID('C','R','N','G')
#define GetCRNG(context, crng) \
IFFReadBytes(context, (BYTE *)crng, sizeof(CrngChunk))
#define ID_CCRT MakeID('C','C','R','T')
#define GetCCRT(context, ccrt) \
IFFReadBytes(context, (BYTE *)ccrt, sizeof(CcrtChunk))
typedef struct {
ClientFrame clientFrame;
UBYTE foundBMHD;
UBYTE nColorRegs;
BitMapHeader bmHdr;
Color4 colorMap[maxColorReg];
/* If you want to read any other property chunks, e.g. GRAB or CAMG, add
* fields to this record to store them. */
UBYTE foundCAMG;
CamgChunk camgChunk;
UBYTE cycleCnt;
CrngChunk crngChunks[maxCycles]; /* I'll convert CCRT to this */
} ILBMFrame;
typedef UBYTE *UBytePtr;
#ifdef FDwAT
extern IFFP myReadPicture(LONG, ILBMFrame *);
extern struct BitMap *getBitMap(ILBMFrame *);
#else
extern IFFP myReadPicture();
extern struct BitMap *getBitMap();
#endif
#endif MYREADPICT_H