2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
20 //Prototypes for IFF library functions
22 int iff_read_bitmap(char *ifilename,grs_bitmap *bm,int bitmap_type,ubyte *palette);
23 //reads an IFF file into a grs_bitmap structure. fills in palette if not null
24 //returns error codes - see IFF.H. see GR.H for bitmap_type
25 //MEM DETAILS: This routines assumes that you already have the grs_bitmap
26 //structure allocated, but that you don't have the data for this bitmap
27 //allocated. In other words, do this:
28 // grs_bitmap * MyPicture;
29 // MALLOC( MyPicture, grs_bitmap, 1);
30 // iff_read_bitmap( filename, MyPicture, BM_LINEAR, NULL );
31 // ...do whatever with your bitmap ...
32 // gr_free_bitmap( MyPicture );
35 //like iff_read_bitmap(), but reads into a bitmap that already exists,
36 //without allocating memory for the bitmap.
37 int iff_read_into_bitmap(char *ifilename,grs_bitmap *bm,byte *palette);
39 //read in animator brush (.abm) file
40 //fills in array of pointers, and n_bitmaps.
41 //returns iff error codes. max_bitmaps is size of array.
42 int iff_read_animbrush(char *ifilename,grs_bitmap **bm,int max_bitmaps,int *n_bitmaps,ubyte *palette);
45 extern ubyte iff_transparent_color;
46 extern ubyte iff_has_transparency; // 0=no transparency, 1=iff_transparent_color is valid
48 int iff_write_bitmap(char *ofilename,grs_bitmap *bm,ubyte *palette);
49 //writes an IFF file from a grs_bitmap structure. writes palette if not null
50 //returns error codes - see IFF.H.
52 //function to return pointer to error message
53 char *iff_errormsg(int error_number);
56 //Error codes for read & write routines
58 #define IFF_NO_ERROR 0 //everything is fine, have a nice day
59 #define IFF_NO_MEM 1 //not enough mem for loading or processing
60 #define IFF_UNKNOWN_FORM 2 //IFF file, but not a bitmap
61 #define IFF_NOT_IFF 3 //this isn't even an IFF file
62 #define IFF_NO_FILE 4 //cannot find or open file
63 #define IFF_BAD_BM_TYPE 5 //tried to save invalid type, like BM_RGB15
64 #define IFF_CORRUPT 6 //bad data in file
65 #define IFF_FORM_ANIM 7 //this is an anim, with non-anim load rtn
66 #define IFF_FORM_BITMAP 8 //this is not an anim, with anim load rtn
67 #define IFF_TOO_MANY_BMS 9 //anim read had more bitmaps than room for
68 #define IFF_UNKNOWN_MASK 10 //unknown masking type
69 #define IFF_READ_ERROR 11 //error reading from file
70 #define IFF_BM_MISMATCH 12 //bm being loaded doesn't match bm loaded into