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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ AU"; |
2 |
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static const char RCSid[] = "$Id$"; |
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#endif |
4 |
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/* |
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rad2pict - Convert an Radiance image to APPLE pict format. |
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|
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School of Architecture, Auckland University, Private Bag |
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Auckland, New Zealand |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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/* Convert an Radiance image to APPLE pict format. |
5 |
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* |
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* Orginally Iris to PICT by Paul Haeberli - 1990 |
7 |
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* Hacked into Rad to PICT by Russell Street 1990 |
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* |
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* History: |
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* V 1 -- Does basic conversion |
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* V 1.1 (2/11/91) -- Added options for Gamma |
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* -- verbose option |
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* -- man page |
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* -- better about allocating buffers |
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* V 1.2 (19/11/91) -- Revised to handle opening "The Radiance Way" |
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* -- Added exposure level adjustment |
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*/ |
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|
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#include <math.h> |
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|
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#include "rtio.h" |
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#include "platform.h" |
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#include "pict.h" |
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#include "color.h" |
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#include "resolu.h" |
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|
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char cbuf[8192*5]; |
28 |
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char pbuf[8192]; |
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int outbytes; |
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FILE *outf, *inf; |
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char **gargv; |
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int outbytes; /* This had better be 32 bits! */ |
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char *progname; |
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int verbose = 0; |
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float gamcor = 2.0; |
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int bradj = 0; |
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|
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putpic(int, int); |
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static void putrect(int xorg, int yorg, int xsize, int ysize); |
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static void putfprect(int xorg, int yorg, int xsize, int ysize); |
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static void putalong(long l); |
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static void putashort(short s); |
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static void putbyte(int b); |
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static void putbytes(unsigned char *buf, int n ); |
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static void putpict(int xsize, int ysize); |
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static void getrow(FILE *in, char *cbuf, int xsize); |
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static int packbits(unsigned char *ibits, unsigned char *pbits, int nbits); |
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static void usage(void); |
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|
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putrect(xorg,yorg,xsize,ysize) |
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int xorg, yorg, xsize, ysize; |
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|
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/* First some utility routines */ |
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static void |
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putrect( |
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int xorg, |
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int yorg, |
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int xsize, |
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int ysize |
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) |
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{ |
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putashort(yorg); |
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putashort(xorg); |
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putashort(xsize); |
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} |
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|
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putfprect(xorg,yorg,xsize,ysize) |
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int xorg, yorg, xsize, ysize; |
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static void |
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putfprect( |
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int xorg, |
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int yorg, |
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int xsize, |
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int ysize |
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) |
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{ |
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putalong(yorg<<16); |
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putalong(xorg<<16); |
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putalong(xsize<<16); |
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} |
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|
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putalong(l) |
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long l; |
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static void |
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putalong( |
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long l |
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) |
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{ |
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putbyte((l>>24)&0xff); |
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putbyte((l>>16)&0xff); |
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putbyte((l>>0)&0xff); |
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} |
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|
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putashort(s) |
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short s; |
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static void |
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putashort( |
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short s |
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) |
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{ |
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putbyte((s>>8)&0xff); |
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putbyte((s>>0)&0xff); |
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} |
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|
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putbyte(b) |
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unsigned char b; |
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static void |
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putbyte( |
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int b |
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) |
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{ |
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char c[1]; |
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|
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c[0] = b; |
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if(!fwrite(c,1,1,outf)) { |
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fprintf(stderr,"%s: error on write\n", gargv[0]); |
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if (putc(b,stdout) == EOF && ferror(stdout)) { |
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fprintf(stderr,"%s: error on write\n", progname); |
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exit(1); |
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} |
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outbytes++; |
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} |
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|
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putbytes(buf,n) |
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unsigned char *buf; |
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int n; |
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static void |
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putbytes( |
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unsigned char *buf, |
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int n |
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) |
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{ |
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if(!fwrite(buf,n,1,outf)) { |
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fprintf(stderr,"topict: error on write\n"); |
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if(!fwrite(buf,n,1,stdout)) { |
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fprintf(stderr,"%s: error on write\n", progname); |
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exit(1); |
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} |
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outbytes+=n; |
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} |
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|
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main(argc,argv) |
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int argc; |
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char **argv; |
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int |
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main( |
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int argc, |
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char **argv |
123 |
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) |
124 |
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{ |
125 |
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int xsize, ysize; |
126 |
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int i, picsize; |
127 |
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int ssizepos, lsizepos; |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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progname = argv[0]; |
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|
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gargv = argv; |
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for (i = 1; i < argc ; i++) |
134 |
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if (argv[i][0] == '-') |
135 |
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switch (argv[i][1]) { |
136 |
> |
case 'g': gamcor = atof(argv[++i]); |
137 |
> |
break; |
138 |
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|
139 |
< |
if( argc<3 ) { |
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fprintf(stderr, "Usage: %s inimage out.pict\n", gargv[0]); |
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exit(1); |
142 |
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} |
139 |
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case 'e': if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
140 |
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usage(); |
141 |
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else |
142 |
> |
bradj = atoi(argv[++i]); |
143 |
> |
break; |
144 |
|
|
145 |
< |
if( (inf=fopen(gargv[1],"rb")) == NULL ) { |
146 |
< |
fprintf(stderr,"%s: can't open input file %s\n",gargv[0], gargv[1]); |
145 |
> |
case 'v': ; |
146 |
> |
verbose = 1; |
147 |
> |
break; |
148 |
> |
|
149 |
> |
case 'r': fprintf(stderr, "Sorry. Get a Macintosh :-)\n"); |
150 |
> |
exit(1); |
151 |
> |
|
152 |
> |
case '-': i++; |
153 |
> |
goto outofparse; |
154 |
> |
break; /* NOTREACHED */ |
155 |
> |
|
156 |
> |
default: |
157 |
> |
usage(); |
158 |
> |
break; |
159 |
> |
} |
160 |
> |
else |
161 |
> |
break; |
162 |
> |
|
163 |
> |
outofparse: |
164 |
> |
|
165 |
> |
if (i < argc - 2) |
166 |
> |
usage(); |
167 |
> |
|
168 |
> |
if (i <= argc - 1 && freopen(argv[i], "r", stdin) == NULL) { |
169 |
> |
fprintf(stderr, "%s: can not open input \"%s\"\n", |
170 |
> |
progname, argv[i]); |
171 |
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exit(1); |
172 |
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} |
173 |
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|
174 |
< |
if( (outf=fopen(gargv[2],"wb")) == NULL ) { |
175 |
< |
fprintf(stderr,"%s: can't open output file %s\n", gargv[0], gargv[1]); |
174 |
> |
if (i <= argc - 2 && freopen(argv[i+1], "w", stdout) == NULL) { |
175 |
> |
fprintf(stderr, "%s: can not open input \"%s\"\n", |
176 |
> |
progname, argv[i+1]); |
177 |
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exit(1); |
178 |
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} |
179 |
+ |
|
180 |
+ |
#ifdef DEBUG |
181 |
+ |
fprintf(stderr, "Input file: %s\n", i <= argc - 1 ? argv[i] : "stdin"); |
182 |
+ |
fprintf(stderr, "Outut file: %s\n", i <= argc - 2 ? argv[i+1] : "stdout" ); |
183 |
+ |
fprintf(stderr, "Gamma: %f\n", gamcor); |
184 |
+ |
fprintf(stderr, "Brightness adjust: %d\n", bradj); |
185 |
+ |
fprintf(stderr, "Verbose: %s\n", verbose ? "on" : "off"); |
186 |
+ |
#endif |
187 |
|
|
106 |
– |
if (checkheader(inf, COLRFMT, NULL) < 0 || |
107 |
– |
fgetresolu(&xsize, &ysize, inf) != (YMAJOR|YDECR)) { |
108 |
– |
fprintf(stderr, "%s: not a radiance picture\n", argv[1]); |
109 |
– |
exit(1); |
110 |
– |
} |
188 |
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|
189 |
< |
setcolrgam(2.0); |
189 |
> |
/* OK. Now we read the size of the Radiance picture */ |
190 |
> |
if (checkheader(stdin, COLRFMT, NULL) < 0 || |
191 |
> |
fgetresolu(&xsize, &ysize, stdin) < 0 /* != (YMAJOR|YDECR) */ ) { |
192 |
> |
fprintf(stderr, "%s: not a radiance picture\n", progname); |
193 |
> |
exit(1); |
194 |
> |
} |
195 |
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|
196 |
+ |
/* Set the gamma correction */ |
197 |
+ |
|
198 |
+ |
setcolrgam(gamcor); |
199 |
+ |
|
200 |
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for(i=0; i<HEADER_SIZE; i++) |
201 |
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putbyte(0); |
202 |
+ |
|
203 |
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ssizepos = outbytes; |
204 |
< |
putashort(0); /* low 16 bits of file size less HEADER_SIZE */ |
204 |
> |
putashort(0); /* low 16 bits of file size less HEADER_SIZE */ |
205 |
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putrect(0,0,xsize,ysize); /* bounding box of picture */ |
206 |
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putashort(PICT_picVersion); |
207 |
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putashort(0x02ff); /* version 2 pict */ |
208 |
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putashort(PICT_reservedHeader); /* reserved header opcode */ |
209 |
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|
210 |
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lsizepos = outbytes; |
211 |
< |
putalong(0); /* full size of the file */ |
212 |
< |
putfprect(0,0,xsize,ysize); /* fixed point bounding box of picture */ |
213 |
< |
putalong(0); /* reserved */ |
211 |
> |
putalong(0); /* full size of the file */ |
212 |
> |
putfprect(0,0,xsize,ysize); /* fixed point bounding box of picture */ |
213 |
> |
putalong(0); /* reserved */ |
214 |
|
|
215 |
< |
putashort(PICT_clipRgn); /* the clip region */ |
215 |
> |
putashort(PICT_clipRgn); /* the clip region */ |
216 |
|
putashort(10); |
217 |
|
putrect(0,0,xsize,ysize); |
218 |
|
|
219 |
< |
putpict(xsize, ysize); |
219 |
> |
if (verbose) |
220 |
> |
fprintf(stderr, "%s: The picture is %d by %d, with a gamma of %f\n", |
221 |
> |
progname, xsize, ysize, gamcor); |
222 |
|
|
223 |
+ |
|
224 |
+ |
putpict(xsize, ysize); /* Here is where all the work is done */ |
225 |
+ |
|
226 |
|
putashort(PICT_EndOfPicture); /* end of pict */ |
227 |
|
|
228 |
|
picsize = outbytes-HEADER_SIZE; |
229 |
< |
fseek(outf,ssizepos,0); |
229 |
> |
fseek(stdout,ssizepos,0); |
230 |
|
putashort(picsize&0xffff); |
231 |
< |
fseek(outf,lsizepos,0); |
231 |
> |
fseek(stdout,lsizepos,0); |
232 |
|
putalong(picsize); |
233 |
|
|
234 |
< |
fclose(outf); |
234 |
> |
fclose(stdout); |
235 |
> |
fclose(stdin); |
236 |
> |
|
237 |
|
exit(0); |
238 |
+ |
return 0; /* lint fodder */ |
239 |
|
} |
240 |
|
|
241 |
< |
putpict(xsize, ysize) |
242 |
< |
int xsize; |
243 |
< |
int ysize; |
241 |
> |
static void |
242 |
> |
putpict( |
243 |
> |
int xsize, |
244 |
> |
int ysize |
245 |
> |
) |
246 |
|
{ |
247 |
< |
int y; |
248 |
< |
int nbytes, rowbytes; |
247 |
> |
int y; |
248 |
> |
int nbytes, rowbytes; |
249 |
> |
char *cbuf, *pbuf; |
250 |
|
|
251 |
+ |
cbuf = (char *)malloc(4 * xsize); |
252 |
+ |
|
253 |
+ |
if (cbuf == NULL) { |
254 |
+ |
fprintf(stderr, "%s: not enough memory\n", progname); |
255 |
+ |
exit(1); |
256 |
+ |
} |
257 |
+ |
|
258 |
+ |
pbuf = (char *)malloc(4 * xsize); |
259 |
+ |
|
260 |
+ |
if (pbuf == NULL) { |
261 |
+ |
fprintf(stderr, "%s: not enough memory\n", progname); |
262 |
+ |
exit(1); |
263 |
+ |
} |
264 |
+ |
|
265 |
|
putashort(PICT_Pack32BitsRect); /* 32 bit rgb */ |
266 |
|
rowbytes = 4*xsize; |
267 |
|
putalong(0x000000ff); /* base address */ |
268 |
|
|
269 |
+ |
|
270 |
|
if(rowbytes&1) |
271 |
|
rowbytes++; |
272 |
< |
putashort(rowbytes|0x8000); /* rowbytes */ |
272 |
> |
putashort(rowbytes|0x8000); /* rowbytes */ |
273 |
|
putrect(0,0,xsize,ysize); /* bounds */ |
274 |
|
putashort(0); /* version */ |
275 |
|
|
282 |
|
putashort(32); /* pixelsize */ |
283 |
|
putashort(3); /* cmpcount */ |
284 |
|
|
285 |
+ |
|
286 |
|
putashort(8); /* cmpsize */ |
287 |
|
putalong(0); /* planebytes */ |
288 |
|
putalong(0); /* pmtable */ |
289 |
|
putalong(0); /* pmreserved */ |
290 |
|
|
291 |
+ |
|
292 |
|
putrect(0,0,xsize,ysize); /* scr rect */ |
293 |
|
putrect(0,0,xsize,ysize); /* dest rect */ |
294 |
|
|
295 |
+ |
|
296 |
|
putashort(0x40); /* transfer mode */ |
297 |
+ |
|
298 |
|
for(y=0; y<ysize; y++) { |
299 |
< |
getrow(inf, cbuf, xsize); |
299 |
> |
getrow(stdin, cbuf, xsize); |
300 |
|
|
301 |
|
nbytes = packbits(cbuf,pbuf,24*xsize); |
302 |
|
if(rowbytes>250) |
304 |
|
else |
305 |
|
putbyte(nbytes); |
306 |
|
putbytes(pbuf,nbytes); |
307 |
< |
} |
307 |
> |
} |
308 |
|
|
309 |
|
if(outbytes&1) |
310 |
|
putbyte(0); |
311 |
+ |
|
312 |
+ |
free(cbuf); |
313 |
+ |
free(pbuf); |
314 |
|
} |
315 |
|
|
316 |
< |
int getrow(FILE *in, char *mybuff, int xsize) |
316 |
> |
static void |
317 |
> |
getrow( |
318 |
> |
FILE *in, |
319 |
> |
char *cbuf, |
320 |
> |
int xsize |
321 |
> |
) |
322 |
|
{ |
323 |
< |
COLOR color; |
324 |
< |
COLR *scanin = (COLR*) malloc(xsize * sizeof(COLR)); |
323 |
> |
extern char *tempbuffer(); /* defined in color.c */ |
324 |
> |
COLR *scanin = NULL; |
325 |
|
int x; |
326 |
|
|
327 |
< |
if (scanin == NULL) { |
328 |
< |
printf("scanin null"); |
327 |
> |
if ((scanin = (COLR *)tempbuffer(xsize*sizeof(COLR))) == NULL) { |
328 |
> |
fprintf(stderr, "%s: not enough memory\n", progname); |
329 |
> |
exit(1); |
330 |
|
} |
331 |
|
|
206 |
– |
|
332 |
|
if (freadcolrs(scanin, xsize, in) < 0) { |
333 |
< |
fprintf(stderr, " read error\n"); |
334 |
< |
exit(1); |
335 |
< |
} |
333 |
> |
fprintf(stderr, "%s: read error\n", progname); |
334 |
> |
exit(1); |
335 |
> |
} |
336 |
|
|
337 |
< |
colrs_gambs(scanin, xsize); |
337 |
> |
if (bradj) /* Adjust exposure level */ |
338 |
> |
shiftcolrs(scanin, xsize, bradj); |
339 |
> |
|
340 |
> |
|
341 |
> |
colrs_gambs(scanin, xsize); /* Gamma correct it */ |
342 |
|
|
343 |
|
for (x = 0; x < xsize; x++) { |
344 |
< |
colr_color(color, scanin[x]); |
345 |
< |
cbuf[xsize * 0 + x] = color[RED] * 255; |
346 |
< |
cbuf[xsize * 1 + x] = color[GRN] * 255; |
347 |
< |
cbuf[xsize * 2 + x] = color[BLU] * 255; |
348 |
< |
} |
220 |
< |
free(scanin); |
344 |
> |
cbuf[x] = scanin[x][RED]; |
345 |
> |
cbuf[xsize + x] = scanin[x][GRN]; |
346 |
> |
cbuf[2*xsize + x] = scanin[x][BLU]; |
347 |
> |
} |
348 |
> |
|
349 |
|
} |
350 |
|
|
351 |
< |
packbits(ibits,pbits,nbits) |
352 |
< |
unsigned char *ibits, *pbits; |
353 |
< |
int nbits; |
351 |
> |
|
352 |
> |
static int |
353 |
> |
packbits( |
354 |
> |
unsigned char *ibits, |
355 |
> |
unsigned char *pbits, |
356 |
> |
int nbits |
357 |
> |
) |
358 |
|
{ |
227 |
– |
int bytes; |
359 |
|
unsigned char *sptr; |
360 |
|
unsigned char *ibitsend; |
361 |
|
unsigned char *optr = pbits; |
363 |
|
|
364 |
|
nbytes = ((nbits-1)/8)+1; |
365 |
|
ibitsend = ibits+nbytes; |
366 |
< |
while (ibits<ibitsend) { |
366 |
> |
while(ibits<ibitsend) { |
367 |
|
sptr = ibits; |
368 |
|
ibits += 2; |
369 |
|
while((ibits<ibitsend)&&((ibits[-2]!=ibits[-1])||(ibits[-1]!=ibits[0]))) |
370 |
|
ibits++; |
371 |
< |
if(ibits != ibitsend) { |
371 |
> |
if(ibits != ibitsend) { |
372 |
|
ibits -= 2; |
373 |
|
} |
374 |
|
count = ibits-sptr; |
394 |
|
} |
395 |
|
} |
396 |
|
return optr-pbits; |
397 |
+ |
} |
398 |
+ |
|
399 |
+ |
static void |
400 |
+ |
usage(void) |
401 |
+ |
{ |
402 |
+ |
fprintf(stderr, "Usage: %s [-v] [-g gamma] [infile [outfile]]\n", |
403 |
+ |
progname); |
404 |
+ |
exit(2); |
405 |
|
} |