|
|
1.1 ! root 1: /* Copyright (c) 1989, 1990 AT&T --- All Rights Reserved. */ ! 2: /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T. */ ! 3: /* The copyright notice does not imply actual or intended publication. */ ! 4: /* AUTHORS: */ ! 5: /* H. S. Baird - ATT-BL MH - first versions */ ! 6: ! 7: /* pic.h - picture files. See man page for picfile(5). ! 8: They have an ascii header, terminated by \n\n; see PIC_hdr for its data fields. ! 9: The rest is binary scanner data. Each `PIC_hdr.bpl' bytes holds one scan-line's ! 10: pixels, 1 bit/pixel. A `1' bit means black. The order of the bytes in a line ! 11: is left-to-right across the page. The low-order bit in a byte is the left-most. ! 12: Conventionally, X-coordinates start at 0, at the left of the page, and ! 13: increase to the right. Y-coordinates start at 0 at the top of the page, ! 14: and increase down. ! 15: NOTE: must be preceded by #include "Coord.h" ! 16: */ ! 17: ! 18: typedef struct PIC_hdr { ! 19: /* Contents of picfile ASCII header (or other structure) */ ! 20: char type[40]; /* "rle" "dump" "binary" "ccitt-g4" "imdir" etc */ ! 21: Bbx bx; /* WINDOW (bounding box) */ ! 22: short res_x; /* resolution in pixels/inch (x,y may differ) */ ! 23: short res_y; ! 24: char *parms; /* PARMS= string */ ! 25: char *misc; /* all other unexpected header lines, catenated */ ! 26: /* the following are used by I/O routines */ ! 27: FILE *fp; ! 28: long seek; /* current seek address */ ! 29: int bpl; /* bytes per line (in file) */ ! 30: unsigned char *line; /* one line of picture (malloc space) */ ! 31: unsigned char *pline; /* prior line of picture (malloc space) */ ! 32: Scoor cy; /* index no. of *line */ ! 33: } PIC_hdr; ! 34: #define Init_PIC_hdr {"",Init_Bbx,0,0,NULL,NULL,NULL,0L,0,NULL,NULL,0} ! 35: #if MAIN ! 36: PIC_hdr empty_PIC_hdr = Init_PIC_hdr; ! 37: #else ! 38: extern PIC_hdr empty_PIC_hdr; ! 39: #endif ! 40: ! 41: /* these functions are in /usr/hsb/ocr/piclib.c */ ! 42: PIC_hdr *alloc_PIC_hdr(); ! 43: int PIC_get_hdr(); ! 44: PIC_put_hdr(); ! 45: err_PIC_line(); ! 46: PIC_skip(); ! 47: int PIC_rline(); ! 48: int PIC_wline(); ! 49: char *PIC_hdr_toa();
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.