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/* Copyright (c) 1991 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* Definitions for resolution line in image file. |
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* |
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* Include after <stdio.h>, <string.h>, and <time.h> |
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* |
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* True image orientation is defined by an xy coordinate system |
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* whose origin is at the lower left corner of the image, with |
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* x increasing to the right and y increasing in the upward direction. |
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* indicating that the scanlines are in English text order (PIXSTANDARD). |
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*/ |
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#include "copyright.h" |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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/* flags for scanline ordering */ |
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#define XDECR 1 |
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#define YDECR 2 |
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|
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/* structure for image dimensions */ |
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typedef struct { |
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int or; /* orientation (from flags above) */ |
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int rt; /* orientation (from flags above) */ |
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int xr, yr; /* x and y resolution */ |
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} RESOLU; |
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/* macros to get scanline length and number */ |
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#define scanlen(rs) ((rs)->or & YMAJOR ? (rs)->xr : (rs)->yr) |
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#define numscans(rs) ((rs)->or & YMAJOR ? (rs)->yr : (rs)->xr) |
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#define scanlen(rs) ((rs)->rt & YMAJOR ? (rs)->xr : (rs)->yr) |
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#define numscans(rs) ((rs)->rt & YMAJOR ? (rs)->yr : (rs)->xr) |
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|
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/* resolution string buffer and its size */ |
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#define RESOLU_BUFLEN 32 |
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#define fprtresolu(sl,ns,fp) fprintf(fp,PIXSTDFMT,ns,sl) |
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#define fscnresolu(sl,ns,fp) (fscanf(fp,PIXSTDFMT,ns,sl)==2) |
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extern char *resolu2str(); |
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#ifdef NOPROTO |
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/* defined in resolu.c */ |
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extern void fputresolu(); |
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extern int fgetresolu(); |
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extern char *resolu2str(); |
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extern int str2resolu(); |
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/* defined in header.c */ |
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extern void newheader(); |
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extern int isheadid(); |
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extern int headidval(); |
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extern int dateval(); |
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extern int isdate(); |
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extern void fputdate(); |
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extern void fputnow(); |
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extern void printargs(); |
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extern int isformat(); |
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extern int formatval(); |
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extern void fputformat(); |
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extern int getheader(); |
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extern int globmatch(); |
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extern int checkheader(); |
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|
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#else |
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/* defined in resolu.c */ |
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extern void fputresolu(int ord, int sl, int ns, FILE *fp); |
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extern int fgetresolu(int *sl, int *ns, FILE *fp); |
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extern char * resolu2str(char *buf, RESOLU *rp); |
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extern int str2resolu(RESOLU *rp, char *buf); |
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/* defined in header.c */ |
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extern void newheader(char *t, FILE *fp); |
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extern int isheadid(char *s); |
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extern int headidval(char *r, char *s); |
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extern int dateval(time_t *t, char *s); |
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extern int isdate(char *s); |
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extern void fputdate(time_t t, FILE *fp); |
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extern void fputnow(FILE *fp); |
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extern void printargs(int ac, char **av, FILE *fp); |
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extern int isformat(char *s); |
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extern int formatval(char *r, char *s); |
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extern void fputformat(char *s, FILE *fp); |
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extern int getheader(FILE *fp, int (*f)(), char *p); |
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extern int globmatch(char *pat, char *str); |
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extern int checkheader(FILE *fin, char *fmt, FILE *fout); |
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#endif |
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#ifdef __cplusplus |
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} |
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#endif |
