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root/radiance/ray/src/px/ra_t16.c
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Comparing ray/src/px/ra_t16.c (file contents):
Revision 2.5 by greg, Sun Feb 27 10:17:20 1994 UTC vs.
Revision 2.12 by greg, Sat Jun 7 05:09:46 2025 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1991 Regents of the University of California */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   *  ra_t16.c - program to convert between RADIANCE and
6   *              Targa 16, 24 and 32-bit images.
# Line 11 | Line 8 | static char SCCSid[] = "$SunId$ LBL";
8   *      11/2/88         Adapted from ra_t8.c
9   */
10  
14 – #include  <stdio.h>
15 –
16 – #ifdef MSDOS
17 – #include  <fcntl.h>
18 – #endif
19 –
11   #include  <math.h>
12 <
12 > #include  "platform.h"
13 > #include  "rtio.h"
14 > #include  "rtmisc.h"
15   #include  "color.h"
23 –
16   #include  "resolu.h"
25 –
17   #include  "random.h"
27 –
18   #include  "targa.h"
19  
20   #define  goodpic(h)     (((h)->dataType==IM_RGB || (h)->dataType==IM_CRGB) \
# Line 32 | Line 22 | static char SCCSid[] = "$SunId$ LBL";
22  
23   #define  taralloc(h)    (unsigned char *)emalloc((h)->x*(h)->y*(h)->dataBits/8)
24  
25 < #define  readtarga(h,d,f)       ((h)->dataBits==16 ? readt16(h,d,f) : \
26 <                                        readt24(h,d,f))
25 > #define  readtarga(h,d,f)       ((h)->dataBits==16 ? \
26 >                        readt16(h,(unsigned short*)d,f) : readt24(h,d,f))
27  
28 < #define  writetarga(h,d,f)      ((h)->dataBits==16 ? writet16(h,d,f) : \
29 <                                        writet24(h,d,f))
28 > #define  writetarga(h,d,f)      ((h)->dataBits==16 ? \
29 >                        writet16(h,(unsigned short*)d,f) : writet24(h,d,f))
30  
41 – extern char     *ecalloc(), *emalloc();
42 –
31   double  gamcor = 2.2;                   /* gamma correction */
44 –
32   int  bradj = 0;                         /* brightness adjustment */
46 –
47 – char  *progname;
48 –
33   char  msg[128];
34  
35 + static int getint2(FILE *fp);
36 + static void putint2(int i, FILE *fp);
37 + static void quiterr(char *err);
38 + static int getthead(struct hdStruct *hp, char *ip, FILE *fp);
39 + static int putthead(struct hdStruct *hp, char *ip, FILE *fp);
40 + static void tg2ra(struct hdStruct *hp);
41 + static void ra2tg(struct hdStruct *hp);
42 + static void writet24(struct hdStruct *h, unsigned char *d, FILE *fp);
43 + static void writet16(struct hdStruct *h, unsigned short *d, FILE *fp);
44 + static void readt24(struct hdStruct *h, unsigned char *data, FILE *fp);
45 + static void readt16(struct hdStruct *h, unsigned short *data, FILE *fp);
46  
47 < main(argc, argv)
48 < int  argc;
49 < char  *argv[];
47 >
48 > int
49 > main(int  argc, char  *argv[])
50   {
51          struct hdStruct  head;
52          int  reverse = 0;
53          int  i;
54 < #ifdef MSDOS
55 <        extern int  _fmode;
56 <        _fmode = O_BINARY;
57 <        setmode(fileno(stdin), O_BINARY);
58 <        setmode(fileno(stdout), O_BINARY);
64 < #endif
65 <        progname = argv[0];
54 >        
55 >        SET_DEFAULT_BINARY();
56 >        SET_FILE_BINARY(stdin);
57 >        SET_FILE_BINARY(stdout);
58 >        fixargv0(argv[0]);
59  
60          head.dataBits = 16;
61          for (i = 1; i < argc; i++)
# Line 144 | Line 137 | userr:
137   }
138  
139  
140 < int
141 < getint2(fp)                     /* get a 2-byte positive integer */
142 < register FILE   *fp;
140 > static int
141 > getint2(                        /* get a 2-byte positive integer */
142 >        register FILE   *fp
143 > )
144   {
145          register int  b1, b2;
146  
# Line 157 | Line 151 | register FILE  *fp;
151   }
152  
153  
154 < putint2(i, fp)                  /* put a 2-byte positive integer */
155 < register int  i;
156 < register FILE   *fp;
154 > static void
155 > putint2(                        /* put a 2-byte positive integer */
156 >        register int  i,
157 >        register FILE   *fp
158 > )
159   {
160          putc(i&0xff, fp);
161          putc(i>>8&0xff, fp);
162   }
163  
164  
165 < quiterr(err)            /* print message and exit */
166 < char  *err;
165 > static void
166 > quiterr(                /* print message and exit */
167 >        char  *err
168 > )
169   {
170          fprintf(stderr, "%s: %s\n", progname, err);
171          exit(1);
172   }
173  
174  
175 < eputs(s)
176 < char *s;
175 > void
176 > eputs(
177 >        char *s
178 > )
179   {
180          fputs(s, stderr);
181   }
182  
183  
184 < quit(code)
185 < int code;
184 > void
185 > quit(
186 >        int code
187 > )
188   {
189          exit(code);
190   }
191  
192  
193 < getthead(hp, ip, fp)            /* read header from input */
194 < struct hdStruct  *hp;
195 < char  *ip;
196 < register FILE  *fp;
193 > static int
194 > getthead(               /* read header from input */
195 >        struct hdStruct  *hp,
196 >        char  *ip,
197 >        register FILE  *fp
198 > )
199   {
200          int     nidbytes;
201  
# Line 221 | Line 225 | register FILE  *fp;
225   }
226  
227  
228 < putthead(hp, ip, fp)            /* write header to output */
229 < struct hdStruct  *hp;
230 < char  *ip;
231 < register FILE  *fp;
228 > static int
229 > putthead(               /* write header to output */
230 >        struct hdStruct  *hp,
231 >        char  *ip,
232 >        register FILE  *fp
233 > )
234   {
235          if (ip != NULL)
236                  putc(strlen(ip), fp);
# Line 249 | Line 255 | register FILE  *fp;
255   }
256  
257  
258 < tg2ra(hp)                       /* targa file to RADIANCE file */
259 < struct hdStruct  *hp;
258 > static void
259 > tg2ra(                  /* targa file to RADIANCE file */
260 >        struct hdStruct  *hp
261 > )
262   {
263          COLR  *scanline;
264          unsigned char  *tarData;
# Line 291 | Line 299 | struct hdStruct  *hp;
299                  if (fwritecolrs(scanline, hp->x, stdout) < 0)
300                          quiterr("error writing RADIANCE file");
301          }
302 <        free((char *)scanline);
303 <        free((char *)tarData);
302 >        free((void *)scanline);
303 >        free((void *)tarData);
304   }
305  
306  
307 < ra2tg(hp)                       /* convert radiance to targa file */
308 < struct hdStruct  *hp;
307 > static void
308 > ra2tg(                  /* convert radiance to targa file */
309 >        struct hdStruct  *hp
310 > )
311   {
312          register int    i, j;
313          unsigned char  *tarData;
# Line 340 | Line 350 | struct hdStruct  *hp;
350                                                  /* write out targa data */
351          writetarga(hp, tarData, stdout);
352  
353 <        free((char *)inl);
354 <        free((char *)tarData);
353 >        free((void *)inl);
354 >        free((void *)tarData);
355   }
356  
357  
358 < writet24(h, d, fp)              /* write out 24-bit targa data */
359 < struct hdStruct  *h;
360 < unsigned char  *d;
361 < FILE  *fp;
358 > static void
359 > writet24(               /* write out 24-bit targa data */
360 >        struct hdStruct  *h,
361 >        unsigned char  *d,
362 >        FILE  *fp
363 > )
364   {
365          if (h->dataType == IM_RGB) {            /* uncompressed */
366                  if (fwrite((char *)d, 3*h->x, h->y, fp) != h->y)
# Line 359 | Line 371 | FILE  *fp;
371   }
372  
373  
374 < writet16(h, d, fp)              /* write out 16-bit targa data */
375 < struct hdStruct  *h;
376 < register unsigned short  *d;
377 < FILE  *fp;
374 > static void
375 > writet16(               /* write out 16-bit targa data */
376 >        struct hdStruct  *h,
377 >        register unsigned short  *d,
378 >        FILE  *fp
379 > )
380   {
381          register int  cnt;
382  
# Line 377 | Line 391 | FILE  *fp;
391   }
392  
393  
394 < readt24(h, data, fp)            /* read in 24-bit targa data */
395 < register struct hdStruct  *h;
396 < unsigned char  *data;
397 < FILE  *fp;
394 > static void
395 > readt24(                /* read in 24-bit targa data */
396 >        register struct hdStruct  *h,
397 >        unsigned char  *data,
398 >        FILE  *fp
399 > )
400   {
401          register int  cnt, c;
402          register unsigned char  *dp;
# Line 418 | Line 434 | readerr:
434   }
435  
436  
437 < readt16(h, data, fp)            /* read in 16-bit targa data */
438 < register struct hdStruct  *h;
439 < unsigned short  *data;
440 < FILE  *fp;
437 > static void
438 > readt16(                /* read in 16-bit targa data */
439 >        register struct hdStruct  *h,
440 >        unsigned short  *data,
441 >        FILE  *fp
442 > )
443   {
444          register int  cnt, c;
445          register unsigned short  *dp;

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