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-
- /*
- * whirlgif.h
- *
- * Copyright (C) 1995,1996 by Kevin Kadow
- * Copyright (C) 1990,1991,1992 by Mark Podlipec.
- * All rights reserved.
- *
- * This software may be freely copied, modified and redistributed
- * without fee provided that this copyright notice is preserved
- * intact on all copies and modified copies.
- *
- * There is no warranty or other guarantee of fitness of this software.
- * It is provided solely "as is". The author(s) disclaim(s) all
- * responsibility and liability with respect to this software's usage
- * or its effect upon hardware or computer systems.
- *
- */
-
- /* Default amount of inter-frame time */
- #define DEFAULT_TIME 10
- /* If set to 1, Netscape 'loop' code will be added by default */
- #define DEFAULT_LOOP 0
- /* If set to 1, use the colormaps from all images, not just the first */
- #define DEFAULT_USE_COLORMAP 0
-
- #include <stdio.h>
-
-
- #define BIGSTRING 256
- #define LONG int
- #define ULONG unsigned int
- #define BYTE char
- #define UBYTE unsigned char
- #define SHORT short
- #define USHORT unsigned short
- #define WORD short int
- #define UWORD unsigned short int
-
- #ifndef TRUE
- #define TRUE 1
- #endif
- #ifndef FALSE
- #define FALSE 0
- #endif
-
- /* Used in calculating the transparent color */
- #define TRANS_NONE 1
- #define TRANS_RGB 2
- #define TRANS_MAP 3
-
- #define DISP_NONE 0
- #define DISP_NOT 1
- #define DISP_BACK 2
- #define DISP_PREV 4
- /* set default disposal method here to any of the DISP_XXXX values */
- #define DEFAULT_DISPOSAL DISP_NONE
-
- typedef struct
- {
- int type;
- UBYTE valid;
- UBYTE map;
- UBYTE red;
- UBYTE green;
- UBYTE blue;
- } Transparency;
-
- typedef struct
- {
- Transparency trans;
- int left;
- int top;
- unsigned int time;
- unsigned short disposal;
- } Global;
-
- typedef struct
- {
- int width;
- int height;
- UBYTE m;
- UBYTE cres;
- UBYTE pixbits;
- UBYTE bc;
- } GIF_Screen_Hdr;
-
- typedef union
- {
- struct
- {
- UBYTE red;
- UBYTE green;
- UBYTE blue;
- UBYTE pad;
- } cmap;
- ULONG pixel;
- } GIF_Color;
-
- typedef struct
- {
- int left;
- int top;
- int width;
- int height;
- UBYTE m;
- UBYTE i;
- UBYTE pixbits;
- UBYTE reserved;
- } GIF_Image_Hdr;
-
- typedef struct
- {
- UBYTE valid;
- UBYTE data;
- UBYTE first;
- UBYTE res;
- int last;
- } GIF_Table;
-
-
-