1 |
< |
/* Copyright (c) 1990 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
27 |
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|
28 |
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#include "color.h" |
29 |
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#include "view.h" |
30 |
– |
#include "pic.h" |
30 |
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#include "x11raster.h" |
31 |
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#include "random.h" |
32 |
+ |
#include "resolu.h" |
33 |
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|
34 |
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#define FONTNAME "8x13" /* text font we'll use */ |
35 |
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|
36 |
< |
#define CTRL(c) ('c'-'@') |
36 |
> |
#define CTRL(c) ((c)-'@') |
37 |
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|
38 |
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#define BORWIDTH 5 /* border width */ |
39 |
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|
40 |
+ |
#define ICONSIZ (8*10) /* maximum icon dimension (even 8) */ |
41 |
+ |
|
42 |
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#define ourscreen DefaultScreen(thedisplay) |
41 |
– |
#define ourblack BlackPixel(thedisplay,ourscreen) |
42 |
– |
#define ourwhite WhitePixel(thedisplay,ourscreen) |
43 |
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#define ourroot RootWindow(thedisplay,ourscreen) |
44 |
– |
#define ourgc DefaultGC(thedisplay,ourscreen) |
44 |
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|
45 |
+ |
#define revline(x0,y0,x1,y1) XDrawLine(thedisplay,wind,revgc,x0,y0,x1,y1) |
46 |
+ |
|
47 |
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#define redraw(x,y,w,h) patch_raster(wind,(x)-xoff,(y)-yoff,x,y,w,h,ourras) |
48 |
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|
49 |
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double gamcor = 2.2; /* gamma correction */ |
51 |
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int dither = 1; /* dither colors? */ |
52 |
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int fast = 0; /* keep picture in Pixmap? */ |
53 |
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|
54 |
+ |
char *dispname = NULL; /* our display name */ |
55 |
+ |
|
56 |
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Window wind = 0; /* our output window */ |
57 |
+ |
unsigned long ourblack=0, ourwhite=1; /* black and white for this visual */ |
58 |
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Font fontid; /* our font */ |
59 |
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|
60 |
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int maxcolors = 0; /* maximum colors */ |
70 |
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|
71 |
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COLR *scanline; /* scan line buffer */ |
72 |
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|
73 |
< |
int xmax, ymax; /* picture resolution */ |
73 |
> |
RESOLU inpres; /* input resolution and ordering */ |
74 |
> |
int xmax, ymax; /* picture dimensions */ |
75 |
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int width, height; /* window size */ |
76 |
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char *fname = NULL; /* input file name */ |
77 |
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FILE *fin = stdin; /* input file */ |
80 |
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|
81 |
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double exposure = 1.0; /* exposure compensation used */ |
82 |
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|
83 |
< |
XRASTER *ourras; /* our stored image */ |
83 |
> |
int wrongformat = 0; /* input in another format? */ |
84 |
> |
|
85 |
> |
GC ourgc; /* standard graphics context */ |
86 |
> |
GC revgc; /* graphics context with GXinvert */ |
87 |
> |
|
88 |
> |
int *ourrank; /* our visual class ranking */ |
89 |
> |
XVisualInfo ourvis; /* our visual */ |
90 |
> |
XRASTER *ourras; /* our stored image */ |
91 |
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unsigned char *ourdata; /* our image data */ |
92 |
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|
93 |
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struct { |
96 |
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|
97 |
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char *geometry = NULL; /* geometry specification */ |
98 |
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|
99 |
+ |
char icondata[ICONSIZ*ICONSIZ/8]; /* icon bitmap data */ |
100 |
+ |
int iconwidth = 0, iconheight = 0; |
101 |
+ |
|
102 |
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char *progname; |
103 |
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|
104 |
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char errmsg[128]; |
105 |
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|
106 |
+ |
extern BYTE clrtab[256][3]; /* global color map */ |
107 |
+ |
|
108 |
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extern long ftell(); |
109 |
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|
110 |
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extern char *malloc(), *calloc(); |
111 |
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|
95 |
– |
extern double atof(), pow(), log(); |
96 |
– |
|
112 |
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Display *thedisplay; |
113 |
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|
114 |
+ |
|
115 |
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main(argc, argv) |
116 |
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int argc; |
117 |
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char *argv[]; |
118 |
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{ |
119 |
+ |
extern char *getenv(); |
120 |
+ |
char *gv; |
121 |
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int headline(); |
122 |
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int i; |
123 |
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|
124 |
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progname = argv[0]; |
125 |
+ |
if ((gv = getenv("GAMMA")) != NULL) |
126 |
+ |
gamcor = atof(gv); |
127 |
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|
128 |
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for (i = 1; i < argc; i++) |
129 |
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if (argv[i][0] == '-') |
138 |
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maxcolors = 2; |
139 |
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break; |
140 |
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case 'd': |
141 |
< |
dither = !dither; |
141 |
> |
if (argv[i][2] == 'i') |
142 |
> |
dispname = argv[++i]; |
143 |
> |
else |
144 |
> |
dither = !dither; |
145 |
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break; |
146 |
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case 'f': |
147 |
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fast = !fast; |
152 |
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scale = atoi(argv[++i]); |
153 |
|
break; |
154 |
|
case 'g': |
155 |
< |
if (!strcmp(argv[i], "-geometry")) |
155 |
> |
if (argv[i][2] == 'e') |
156 |
|
geometry = argv[++i]; |
157 |
|
else |
158 |
|
gamcor = atof(argv[++i]); |
169 |
|
fname = argv[i]; |
170 |
|
fin = fopen(fname, "r"); |
171 |
|
if (fin == NULL) { |
172 |
< |
sprintf(errmsg, "can't open file \"%s\"", fname); |
172 |
> |
sprintf(errmsg, "cannot open file \"%s\"", fname); |
173 |
|
quiterr(errmsg); |
174 |
|
} |
175 |
|
} else if (i != argc) |
176 |
|
goto userr; |
177 |
|
/* get header */ |
178 |
< |
getheader(fin, headline); |
178 |
> |
getheader(fin, headline, NULL); |
179 |
|
/* get picture dimensions */ |
180 |
< |
if (fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
181 |
< |
quiterr("bad picture size"); |
180 |
> |
if (wrongformat || !fgetsresolu(&inpres, fin)) |
181 |
> |
quiterr("bad picture format"); |
182 |
> |
xmax = scanlen(&inpres); |
183 |
> |
ymax = numscans(&inpres); |
184 |
|
/* set view parameters */ |
185 |
|
if (gotview && setview(&ourview) != NULL) |
186 |
|
gotview = 0; |
193 |
|
getevent(); /* main loop */ |
194 |
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userr: |
195 |
|
fprintf(stderr, |
196 |
< |
"Usage: %s [-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
196 |
> |
"Usage: %s [-display disp][-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
197 |
|
progname); |
198 |
|
quit(1); |
199 |
|
} |
202 |
|
headline(s) /* get relevant info from header */ |
203 |
|
char *s; |
204 |
|
{ |
205 |
< |
static char *altname[] = {"rview","rpict","pinterp",VIEWSTR,NULL}; |
181 |
< |
register char **an; |
205 |
> |
char fmt[32]; |
206 |
|
|
207 |
|
if (isexpos(s)) |
208 |
|
exposure *= exposval(s); |
209 |
< |
else |
210 |
< |
for (an = altname; *an != NULL; an++) |
211 |
< |
if (!strncmp(*an, s, strlen(*an))) { |
212 |
< |
if (sscanview(&ourview, s+strlen(*an)) > 0) |
213 |
< |
gotview++; |
190 |
< |
return; |
191 |
< |
} |
209 |
> |
else if (isformat(s)) { |
210 |
> |
formatval(fmt, s); |
211 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
212 |
> |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
213 |
> |
gotview++; |
214 |
|
} |
215 |
|
|
216 |
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|
217 |
|
init() /* get data and open window */ |
218 |
|
{ |
219 |
< |
XSizeHints oursizhints; |
220 |
< |
register int i; |
219 |
> |
XWMHints ourxwmhints; |
220 |
> |
XSetWindowAttributes ourwinattr; |
221 |
> |
XSizeHints oursizhints; |
222 |
> |
register int i; |
223 |
|
|
224 |
|
if (fname != NULL) { |
225 |
|
scanpos = (long *)malloc(ymax*sizeof(long)); |
228 |
|
for (i = 0; i < ymax; i++) |
229 |
|
scanpos[i] = -1; |
230 |
|
} |
231 |
< |
if ((thedisplay = XOpenDisplay(NULL)) == NULL) |
232 |
< |
quiterr("can't open display; DISPLAY variable set?"); |
233 |
< |
wind = XCreateSimpleWindow(thedisplay, |
234 |
< |
ourroot, 0, 0, xmax, ymax, BORWIDTH, ourblack, ourwhite); |
231 |
> |
if ((thedisplay = XOpenDisplay(dispname)) == NULL) |
232 |
> |
quiterr("cannot open display"); |
233 |
> |
/* get best visual for default screen */ |
234 |
> |
getbestvis(); |
235 |
> |
/* store image */ |
236 |
> |
getras(); |
237 |
> |
/* open window */ |
238 |
> |
ourwinattr.border_pixel = ourblack; |
239 |
> |
ourwinattr.background_pixel = ourwhite; |
240 |
> |
ourwinattr.colormap = XCreateColormap(thedisplay, ourroot, |
241 |
> |
ourvis.visual, AllocNone); |
242 |
> |
wind = XCreateWindow(thedisplay, ourroot, 0, 0, xmax, ymax, BORWIDTH, |
243 |
> |
ourvis.depth, InputOutput, ourvis.visual, |
244 |
> |
CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
245 |
|
if (wind == 0) |
246 |
< |
quiterr("can't create window"); |
247 |
< |
if (maxcolors == 0) { /* get number of available colors */ |
248 |
< |
i = DisplayPlanes(thedisplay,ourscreen); |
249 |
< |
maxcolors = i > 8 ? 256 : 1<<i; |
250 |
< |
if (maxcolors > 4) maxcolors -= 2; |
251 |
< |
} |
246 |
> |
quiterr("cannot create window"); |
247 |
> |
XFreeColormap(thedisplay, ourwinattr.colormap); |
248 |
> |
width = xmax; |
249 |
> |
height = ymax; |
250 |
> |
ourgc = XCreateGC(thedisplay, wind, 0, 0); |
251 |
> |
XSetState(thedisplay, ourgc, ourblack, ourwhite, GXcopy, AllPlanes); |
252 |
> |
revgc = XCreateGC(thedisplay, wind, 0, 0); |
253 |
> |
XSetFunction(thedisplay, revgc, GXinvert); |
254 |
|
fontid = XLoadFont(thedisplay, FONTNAME); |
255 |
|
if (fontid == 0) |
256 |
< |
quiterr("can't get font"); |
256 |
> |
quiterr("cannot get font"); |
257 |
|
XSetFont(thedisplay, ourgc, fontid); |
222 |
– |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
258 |
|
XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, |
259 |
|
XC_diamond_cross)); |
260 |
+ |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
261 |
|
if (geometry != NULL) { |
262 |
|
bzero((char *)&oursizhints, sizeof(oursizhints)); |
263 |
|
i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
264 |
< |
&oursizhints.width, &oursizhints.height); |
264 |
> |
(unsigned *)&oursizhints.width, |
265 |
> |
(unsigned *)&oursizhints.height); |
266 |
|
if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
267 |
|
oursizhints.flags |= USSize; |
268 |
|
else { |
281 |
|
} |
282 |
|
XSetNormalHints(thedisplay, wind, &oursizhints); |
283 |
|
} |
284 |
< |
/* store image */ |
285 |
< |
getras(); |
284 |
> |
ourxwmhints.flags = InputHint|IconPixmapHint; |
285 |
> |
ourxwmhints.input = True; |
286 |
> |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
287 |
> |
wind, icondata, iconwidth, iconheight); |
288 |
> |
XSetWMHints(thedisplay, wind, &ourxwmhints); |
289 |
|
XSelectInput(thedisplay, wind, ButtonPressMask|ButtonReleaseMask |
290 |
|
|ButtonMotionMask|StructureNotifyMask |
291 |
|
|KeyPressMask|ExposureMask); |
307 |
|
} |
308 |
|
|
309 |
|
|
310 |
< |
eputs(s) |
311 |
< |
char *s; |
310 |
> |
static int |
311 |
> |
viscmp(v1,v2) /* compare visual to see which is better, descending */ |
312 |
> |
register XVisualInfo *v1, *v2; |
313 |
|
{ |
314 |
< |
fputs(s, stderr); |
314 |
> |
int bad1 = 0, bad2 = 0; |
315 |
> |
register int *rp; |
316 |
> |
|
317 |
> |
if (v1->class == v2->class) { |
318 |
> |
if (v1->class == TrueColor || v1->class == DirectColor) { |
319 |
> |
/* prefer 24-bit to 32-bit */ |
320 |
> |
if (v1->depth == 24 && v2->depth == 32) |
321 |
> |
return(-1); |
322 |
> |
if (v1->depth == 32 && v2->depth == 24) |
323 |
> |
return(1); |
324 |
> |
return(0); |
325 |
> |
} |
326 |
> |
/* don't be too greedy */ |
327 |
> |
if (maxcolors <= 1<<v1->depth && maxcolors <= 1<<v2->depth) |
328 |
> |
return(v1->depth - v2->depth); |
329 |
> |
return(v2->depth - v1->depth); |
330 |
> |
} |
331 |
> |
/* prefer Pseudo when < 24-bit */ |
332 |
> |
if ((v1->class == TrueColor || v1->class == DirectColor) && |
333 |
> |
v1->depth < 24) |
334 |
> |
bad1 = 1; |
335 |
> |
if ((v2->class == TrueColor || v2->class == DirectColor) && |
336 |
> |
v2->depth < 24) |
337 |
> |
bad2 = -1; |
338 |
> |
if (bad1 | bad2) |
339 |
> |
return(bad1+bad2); |
340 |
> |
/* otherwise, use class ranking */ |
341 |
> |
for (rp = ourrank; *rp != -1; rp++) { |
342 |
> |
if (v1->class == *rp) |
343 |
> |
return(-1); |
344 |
> |
if (v2->class == *rp) |
345 |
> |
return(1); |
346 |
> |
} |
347 |
> |
return(0); |
348 |
|
} |
349 |
|
|
350 |
|
|
351 |
< |
quit(code) |
278 |
< |
int code; |
351 |
> |
getbestvis() /* get the best visual for this screen */ |
352 |
|
{ |
353 |
< |
exit(code); |
353 |
> |
#ifdef DEBUG |
354 |
> |
static char vistype[][12] = { |
355 |
> |
"StaticGray", |
356 |
> |
"GrayScale", |
357 |
> |
"StaticColor", |
358 |
> |
"PseudoColor", |
359 |
> |
"TrueColor", |
360 |
> |
"DirectColor" |
361 |
> |
}; |
362 |
> |
#endif |
363 |
> |
static int rankings[3][6] = { |
364 |
> |
{TrueColor,DirectColor,PseudoColor,GrayScale,StaticGray,-1}, |
365 |
> |
{PseudoColor,GrayScale,StaticGray,-1}, |
366 |
> |
{PseudoColor,GrayScale,StaticGray,-1} |
367 |
> |
}; |
368 |
> |
XVisualInfo *xvi; |
369 |
> |
int vismatched; |
370 |
> |
register int i, j; |
371 |
> |
|
372 |
> |
if (greyscale) { |
373 |
> |
ourrank = rankings[2]; |
374 |
> |
if (maxcolors < 2) maxcolors = 256; |
375 |
> |
} else if (maxcolors >= 2 && maxcolors <= 256) |
376 |
> |
ourrank = rankings[1]; |
377 |
> |
else { |
378 |
> |
ourrank = rankings[0]; |
379 |
> |
maxcolors = 256; |
380 |
> |
} |
381 |
> |
/* find best visual */ |
382 |
> |
ourvis.screen = ourscreen; |
383 |
> |
xvi = XGetVisualInfo(thedisplay,VisualScreenMask,&ourvis,&vismatched); |
384 |
> |
if (xvi == NULL) |
385 |
> |
quiterr("no visuals for this screen!"); |
386 |
> |
#ifdef DEBUG |
387 |
> |
fprintf(stderr, "Supported visuals:\n"); |
388 |
> |
for (i = 0; i < vismatched; i++) |
389 |
> |
fprintf(stderr, "\ttype %s, depth %d\n", |
390 |
> |
vistype[xvi[i].class], xvi[i].depth); |
391 |
> |
#endif |
392 |
> |
for (i = 0, j = 1; j < vismatched; j++) |
393 |
> |
if (viscmp(&xvi[i],&xvi[j]) > 0) |
394 |
> |
i = j; |
395 |
> |
/* compare to least acceptable */ |
396 |
> |
for (j = 0; ourrank[j++] != -1; ) |
397 |
> |
; |
398 |
> |
ourvis.class = ourrank[--j]; |
399 |
> |
ourvis.depth = 1; |
400 |
> |
if (viscmp(&xvi[i],&ourvis) > 0) |
401 |
> |
quiterr("inadequate visuals on this screen"); |
402 |
> |
/* OK, we'll use it */ |
403 |
> |
copystruct(&ourvis, &xvi[i]); |
404 |
> |
#ifdef DEBUG |
405 |
> |
fprintf(stderr, "Selected visual type %s, depth %d\n", |
406 |
> |
vistype[ourvis.class], ourvis.depth); |
407 |
> |
#endif |
408 |
> |
/* make appropriate adjustments */ |
409 |
> |
if (ourvis.class == GrayScale || ourvis.class == StaticGray) |
410 |
> |
greyscale = 1; |
411 |
> |
if (ourvis.depth <= 8 && ourvis.colormap_size < maxcolors) |
412 |
> |
maxcolors = ourvis.colormap_size; |
413 |
> |
if (ourvis.class == StaticGray) { |
414 |
> |
ourblack = 0; |
415 |
> |
ourwhite = 255; |
416 |
> |
} else if (ourvis.class == PseudoColor) { |
417 |
> |
ourblack = BlackPixel(thedisplay,ourscreen); |
418 |
> |
ourwhite = WhitePixel(thedisplay,ourscreen); |
419 |
> |
if ((ourblack|ourwhite) & ~255L) { |
420 |
> |
ourblack = 0; |
421 |
> |
ourwhite = 1; |
422 |
> |
} |
423 |
> |
if (maxcolors > 4) |
424 |
> |
maxcolors -= 2; |
425 |
> |
} else { |
426 |
> |
ourblack = 0; |
427 |
> |
ourwhite = ourvis.red_mask|ourvis.green_mask|ourvis.blue_mask; |
428 |
> |
} |
429 |
> |
XFree((char *)xvi); |
430 |
|
} |
431 |
|
|
432 |
|
|
433 |
|
getras() /* get raster file */ |
434 |
|
{ |
286 |
– |
colormap ourmap; |
435 |
|
XVisualInfo vinfo; |
436 |
|
|
437 |
|
if (maxcolors <= 2) { /* monochrome */ |
438 |
|
ourdata = (unsigned char *)malloc(ymax*((xmax+7)/8)); |
439 |
|
if (ourdata == NULL) |
440 |
|
goto fail; |
441 |
< |
ourras = make_raster(thedisplay, ourscreen, 1, ourdata, |
441 |
> |
ourras = make_raster(thedisplay, &ourvis, 1, ourdata, |
442 |
|
xmax, ymax, 8); |
443 |
|
if (ourras == NULL) |
444 |
|
goto fail; |
445 |
|
getmono(); |
446 |
< |
} else if (XMatchVisualInfo(thedisplay,ourscreen,24,TrueColor,&vinfo)) { |
447 |
< |
ourdata = (unsigned char *)malloc(xmax*ymax*3); |
446 |
> |
} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
447 |
> |
ourdata = (unsigned char *)malloc(4*xmax*ymax); |
448 |
|
if (ourdata == NULL) |
449 |
|
goto fail; |
450 |
< |
ourras = make_raster(thedisplay, ourscreen, 24, ourdata, |
451 |
< |
xmax, ymax, 8); |
450 |
> |
ourras = make_raster(thedisplay, &ourvis, 32, |
451 |
> |
ourdata, xmax, ymax, 32); |
452 |
|
if (ourras == NULL) |
453 |
|
goto fail; |
454 |
|
getfull(); |
456 |
|
ourdata = (unsigned char *)malloc(xmax*ymax); |
457 |
|
if (ourdata == NULL) |
458 |
|
goto fail; |
459 |
< |
ourras = make_raster(thedisplay, ourscreen, 8, ourdata, |
459 |
> |
ourras = make_raster(thedisplay, &ourvis, 8, ourdata, |
460 |
|
xmax, ymax, 8); |
461 |
|
if (ourras == NULL) |
462 |
|
goto fail; |
463 |
< |
if (greyscale) |
464 |
< |
biq(dither,maxcolors,1,ourmap); |
463 |
> |
if (greyscale | ourvis.class == StaticGray) |
464 |
> |
getgrey(); |
465 |
|
else |
466 |
< |
ciq(dither,maxcolors,1,ourmap); |
467 |
< |
if (init_rcolors(ourras, ourmap[0], ourmap[1], ourmap[2]) == 0) |
466 |
> |
getmapped(); |
467 |
> |
if (ourvis.class != StaticGray && !init_rcolors(ourras,clrtab)) |
468 |
|
goto fail; |
469 |
|
} |
470 |
|
return; |
471 |
|
fail: |
472 |
< |
quit("could not create raster image"); |
472 |
> |
quiterr("could not create raster image"); |
473 |
|
} |
474 |
|
|
475 |
|
|
495 |
|
case MapNotify: |
496 |
|
map_rcolors(ourras, wind); |
497 |
|
if (fast) |
498 |
< |
make_rpixmap(ourras); |
498 |
> |
make_rpixmap(ourras, wind); |
499 |
|
break; |
500 |
|
case UnmapNotify: |
501 |
< |
unmap_rcolors(ourras); |
501 |
> |
if (!fast) |
502 |
> |
unmap_rcolors(ourras); |
503 |
|
break; |
504 |
|
case Expose: |
505 |
|
redraw(e.e.x, e.e.y, e.e.width, e.e.height); |
522 |
|
XColor cvx; |
523 |
|
int com, n; |
524 |
|
double comp; |
525 |
+ |
FLOAT hv[2]; |
526 |
|
FVECT rorg, rdir; |
527 |
|
|
528 |
|
n = XLookupString(ekey, buf, sizeof(buf), NULL, NULL); |
531 |
|
com = buf[0]; |
532 |
|
switch (com) { /* interpret command */ |
533 |
|
case 'q': |
534 |
< |
case CTRL(D): /* quit */ |
534 |
> |
case CTRL('D'): /* quit */ |
535 |
|
quit(0); |
536 |
|
case '\n': |
537 |
|
case '\r': |
545 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
546 |
|
break; |
547 |
|
case 'l': /* luminance */ |
548 |
< |
sprintf(buf, "%.0fn", bright(cval)*683.0/exposure); |
548 |
> |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
549 |
|
break; |
550 |
|
case 'c': /* color */ |
551 |
|
comp = pow(2.0, (double)scale); |
571 |
|
XStoreColor(thedisplay, ourras->cmap, &cvx); |
572 |
|
return(0); |
573 |
|
case 'p': /* position */ |
574 |
< |
sprintf(buf, "(%d,%d)", ekey->x-xoff, ymax-1-ekey->y+yoff); |
574 |
> |
pix2loc(hv, &inpres, ekey->x-xoff, ekey->y-yoff); |
575 |
> |
sprintf(buf, "(%d,%d)", (int)(hv[0]*inpres.xr), |
576 |
> |
(int)(hv[1]*inpres.yr)); |
577 |
|
XDrawImageString(thedisplay, wind, ourgc, ekey->x, ekey->y, |
578 |
|
buf, strlen(buf)); |
579 |
|
return(0); |
582 |
|
XBell(thedisplay, 0); |
583 |
|
return(-1); |
584 |
|
} |
585 |
< |
viewray(rorg, rdir, &ourview, |
586 |
< |
(ekey->x-xoff+.5)/xmax, |
587 |
< |
(ymax-1-ekey->y+yoff+.5)/ymax); |
585 |
> |
pix2loc(hv, &inpres, ekey->x-xoff, ekey->y-yoff); |
586 |
> |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
587 |
> |
return(-1); |
588 |
|
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
589 |
|
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
590 |
|
fflush(stdout); |
605 |
|
free_raster(ourras); |
606 |
|
getras(); |
607 |
|
/* fall through */ |
608 |
< |
case CTRL(R): /* redraw */ |
609 |
< |
case CTRL(L): |
608 |
> |
case CTRL('R'): /* redraw */ |
609 |
> |
case CTRL('L'): |
610 |
|
unmap_rcolors(ourras); |
611 |
|
XClearWindow(thedisplay, wind); |
612 |
|
map_rcolors(ourras, wind); |
613 |
|
if (fast) |
614 |
< |
make_rpixmap(ourras); |
614 |
> |
make_rpixmap(ourras, wind); |
615 |
|
redraw(0, 0, width, height); |
616 |
|
return(0); |
617 |
|
case ' ': /* clear */ |
632 |
|
XButtonReleasedEvent b; |
633 |
|
XPointerMovedEvent m; |
634 |
|
} e; |
635 |
< |
int nxo, nyo; |
635 |
> |
int mxo, myo; |
636 |
|
|
637 |
|
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e.u); |
638 |
|
while (e.u.type == MotionNotify) { |
639 |
< |
nxo = xoff + e.m.x - ebut->x; |
640 |
< |
nyo = yoff + e.m.y - ebut->y; |
641 |
< |
revbox(nxo, nyo, nxo+xmax, nyo+ymax); |
639 |
> |
mxo = e.m.x; |
640 |
> |
myo = e.m.y; |
641 |
> |
revline(ebut->x, ebut->y, mxo, myo); |
642 |
> |
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
643 |
> |
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
644 |
|
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e.u); |
645 |
< |
revbox(nxo, nyo, nxo+xmax, nyo+ymax); |
645 |
> |
revline(ebut->x, ebut->y, mxo, myo); |
646 |
> |
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
647 |
> |
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
648 |
|
} |
649 |
|
xoff += e.b.x - ebut->x; |
650 |
|
yoff += e.b.y - ebut->y; |
688 |
|
revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
689 |
|
int x0, y0, x1, y1; |
690 |
|
{ |
691 |
< |
static GC mygc = 0; |
691 |
> |
revline(x0, y0, x1, y0); |
692 |
> |
revline(x0, y1, x1, y1); |
693 |
> |
revline(x0, y0, x0, y1); |
694 |
> |
revline(x1, y0, x1, y1); |
695 |
> |
} |
696 |
|
|
537 |
– |
if (mygc == 0) { |
538 |
– |
mygc = XCreateGC(thedisplay, wind, 0, 0); |
539 |
– |
XSetFunction(thedisplay, mygc, GXinvert); |
540 |
– |
} |
541 |
– |
XDrawLine(thedisplay, wind, mygc, x0, y0, x1, y0); |
542 |
– |
XDrawLine(thedisplay, wind, mygc, x0, y1, x1, y1); |
543 |
– |
XDrawLine(thedisplay, wind, mygc, x0, y0, x0, y1); |
544 |
– |
XDrawLine(thedisplay, wind, mygc, x1, y0, x1, y1); |
545 |
– |
} /* end of revbox */ |
697 |
|
|
547 |
– |
|
698 |
|
avgbox(clr) /* average color over current box */ |
699 |
|
COLOR clr; |
700 |
|
{ |
701 |
+ |
static COLOR lc; |
702 |
+ |
static int ll, lr, lt, lb; |
703 |
|
int left, right, top, bottom; |
704 |
|
int y; |
705 |
|
double d; |
723 |
|
bottom = ymax; |
724 |
|
if (top >= bottom) |
725 |
|
return(-1); |
726 |
+ |
if (left == ll && right == lr && top == lt && bottom == lb) { |
727 |
+ |
copycolor(clr, lc); |
728 |
+ |
return(0); |
729 |
+ |
} |
730 |
|
for (y = top; y < bottom; y++) { |
731 |
|
if (getscan(y) == -1) |
732 |
|
return(-1); |
737 |
|
} |
738 |
|
d = 1.0/((right-left)*(bottom-top)); |
739 |
|
scalecolor(clr, d); |
740 |
+ |
ll = left; lr = right; lt = top; lb = bottom; |
741 |
+ |
copycolor(lc, clr); |
742 |
|
return(0); |
743 |
|
} |
744 |
|
|
747 |
|
{ |
748 |
|
register unsigned char *dp; |
749 |
|
register int x, err; |
750 |
< |
int y; |
593 |
< |
rgbpixel *inline; |
750 |
> |
int y, errp; |
751 |
|
short *cerr; |
752 |
|
|
753 |
< |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
754 |
< |
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
598 |
< |
quit("out of memory in getmono"); |
753 |
> |
if ((cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
754 |
> |
quiterr("out of memory in getmono"); |
755 |
|
dp = ourdata - 1; |
756 |
|
for (y = 0; y < ymax; y++) { |
757 |
< |
picreadline3(y, inline); |
757 |
> |
getscan(y); |
758 |
> |
add2icon(y, scanline); |
759 |
> |
normcolrs(scanline, xmax, scale); |
760 |
|
err = 0; |
761 |
|
for (x = 0; x < xmax; x++) { |
762 |
|
if (!(x&7)) |
763 |
|
*++dp = 0; |
764 |
< |
err += rgb_bright(&inline[x]) + cerr[x]; |
764 |
> |
errp = err; |
765 |
> |
err += normbright(scanline[x]) + cerr[x]; |
766 |
|
if (err > 127) |
767 |
|
err -= 255; |
768 |
|
else |
769 |
|
*dp |= 1<<(7-(x&07)); |
770 |
< |
cerr[x] = err >>= 1; |
770 |
> |
err /= 3; |
771 |
> |
cerr[x] = err + errp; |
772 |
|
} |
773 |
|
} |
614 |
– |
free((char *)inline); |
774 |
|
free((char *)cerr); |
775 |
|
} |
776 |
|
|
777 |
|
|
778 |
+ |
add2icon(y, scan) /* add a scanline to our icon data */ |
779 |
+ |
int y; |
780 |
+ |
COLR *scan; |
781 |
+ |
{ |
782 |
+ |
static short cerr[ICONSIZ]; |
783 |
+ |
static int ynext; |
784 |
+ |
static char *dp; |
785 |
+ |
COLR clr; |
786 |
+ |
register int err; |
787 |
+ |
register int x, ti; |
788 |
+ |
int errp; |
789 |
+ |
|
790 |
+ |
if (iconheight == 0) { /* initialize */ |
791 |
+ |
if (xmax <= ICONSIZ && ymax <= ICONSIZ) { |
792 |
+ |
iconwidth = xmax; |
793 |
+ |
iconheight = ymax; |
794 |
+ |
} else if (xmax > ymax) { |
795 |
+ |
iconwidth = ICONSIZ; |
796 |
+ |
iconheight = ICONSIZ*ymax/xmax; |
797 |
+ |
if (iconheight < 1) |
798 |
+ |
iconheight = 1; |
799 |
+ |
} else { |
800 |
+ |
iconwidth = ICONSIZ*xmax/ymax; |
801 |
+ |
if (iconwidth < 1) |
802 |
+ |
iconwidth = 1; |
803 |
+ |
iconheight = ICONSIZ; |
804 |
+ |
} |
805 |
+ |
ynext = 0; |
806 |
+ |
dp = icondata - 1; |
807 |
+ |
} |
808 |
+ |
if (y < ynext*ymax/iconheight) /* skip this one */ |
809 |
+ |
return; |
810 |
+ |
err = 0; |
811 |
+ |
for (x = 0; x < iconwidth; x++) { |
812 |
+ |
if (!(x&7)) |
813 |
+ |
*++dp = 0; |
814 |
+ |
errp = err; |
815 |
+ |
ti = x*xmax/iconwidth; |
816 |
+ |
copycolr(clr, scan[ti]); |
817 |
+ |
normcolrs(clr, 1, scale); |
818 |
+ |
err += normbright(clr) + cerr[x]; |
819 |
+ |
if (err > 127) |
820 |
+ |
err -= 255; |
821 |
+ |
else |
822 |
+ |
*dp |= 1<<(x&07); |
823 |
+ |
err /= 3; |
824 |
+ |
cerr[x] = err + errp; |
825 |
+ |
} |
826 |
+ |
ynext++; |
827 |
+ |
} |
828 |
+ |
|
829 |
+ |
|
830 |
|
getfull() /* get full (24-bit) data */ |
831 |
|
{ |
832 |
|
int y; |
833 |
+ |
register unsigned long *dp; |
834 |
+ |
register int x; |
835 |
+ |
/* set gamma correction */ |
836 |
+ |
setcolrgam(gamcor); |
837 |
+ |
/* read and convert file */ |
838 |
+ |
dp = (unsigned long *)ourdata; |
839 |
+ |
for (y = 0; y < ymax; y++) { |
840 |
+ |
getscan(y); |
841 |
+ |
add2icon(y, scanline); |
842 |
+ |
if (scale) |
843 |
+ |
shiftcolrs(scanline, xmax, scale); |
844 |
+ |
colrs_gambs(scanline, xmax); |
845 |
+ |
if (ourras->image->blue_mask & 1) |
846 |
+ |
for (x = 0; x < xmax; x++) |
847 |
+ |
*dp++ = scanline[x][RED] << 16 | |
848 |
+ |
scanline[x][GRN] << 8 | |
849 |
+ |
scanline[x][BLU] ; |
850 |
+ |
else |
851 |
+ |
for (x = 0; x < xmax; x++) |
852 |
+ |
*dp++ = scanline[x][RED] | |
853 |
+ |
scanline[x][GRN] << 8 | |
854 |
+ |
scanline[x][BLU] << 16 ; |
855 |
+ |
} |
856 |
+ |
} |
857 |
|
|
858 |
< |
for (y = 0; y < ymax; y++) |
859 |
< |
picreadline3(y, (rgbpixel *)(ourdata+y*xmax*3)); |
858 |
> |
|
859 |
> |
getgrey() /* get greyscale data */ |
860 |
> |
{ |
861 |
> |
int y; |
862 |
> |
register unsigned char *dp; |
863 |
> |
register int x; |
864 |
> |
/* set gamma correction */ |
865 |
> |
setcolrgam(gamcor); |
866 |
> |
/* read and convert file */ |
867 |
> |
dp = ourdata; |
868 |
> |
for (y = 0; y < ymax; y++) { |
869 |
> |
getscan(y); |
870 |
> |
add2icon(y, scanline); |
871 |
> |
if (scale) |
872 |
> |
shiftcolrs(scanline, xmax, scale); |
873 |
> |
for (x = 0; x < xmax; x++) |
874 |
> |
scanline[x][GRN] = normbright(scanline[x]); |
875 |
> |
colrs_gambs(scanline, xmax); |
876 |
> |
if (maxcolors < 256) |
877 |
> |
for (x = 0; x < xmax; x++) |
878 |
> |
*dp++ = ((long)scanline[x][GRN] * |
879 |
> |
maxcolors + maxcolors/2) >> 8; |
880 |
> |
else |
881 |
> |
for (x = 0; x < xmax; x++) |
882 |
> |
*dp++ = scanline[x][GRN]; |
883 |
> |
} |
884 |
> |
for (x = 0; x < maxcolors; x++) |
885 |
> |
clrtab[x][RED] = clrtab[x][GRN] = |
886 |
> |
clrtab[x][BLU] = ((long)x*256 + 128)/maxcolors; |
887 |
|
} |
888 |
|
|
889 |
|
|
890 |
+ |
getmapped() /* get color-mapped data */ |
891 |
+ |
{ |
892 |
+ |
int y; |
893 |
+ |
/* set gamma correction */ |
894 |
+ |
setcolrgam(gamcor); |
895 |
+ |
/* make histogram */ |
896 |
+ |
new_histo(); |
897 |
+ |
for (y = 0; y < ymax; y++) { |
898 |
+ |
if (getscan(y) < 0) |
899 |
+ |
quiterr("seek error in getmapped"); |
900 |
+ |
add2icon(y, scanline); |
901 |
+ |
if (scale) |
902 |
+ |
shiftcolrs(scanline, xmax, scale); |
903 |
+ |
colrs_gambs(scanline, xmax); |
904 |
+ |
cnt_colrs(scanline, xmax); |
905 |
+ |
} |
906 |
+ |
/* map pixels */ |
907 |
+ |
if (!new_clrtab(maxcolors)) |
908 |
+ |
quiterr("cannot create color map"); |
909 |
+ |
for (y = 0; y < ymax; y++) { |
910 |
+ |
if (getscan(y) < 0) |
911 |
+ |
quiterr("seek error in getmapped"); |
912 |
+ |
if (scale) |
913 |
+ |
shiftcolrs(scanline, xmax, scale); |
914 |
+ |
colrs_gambs(scanline, xmax); |
915 |
+ |
if (dither) |
916 |
+ |
dith_colrs(ourdata+y*xmax, scanline, xmax); |
917 |
+ |
else |
918 |
+ |
map_colrs(ourdata+y*xmax, scanline, xmax); |
919 |
+ |
} |
920 |
+ |
} |
921 |
+ |
|
922 |
+ |
|
923 |
|
scale_rcolors(xr, sf) /* scale color map */ |
924 |
|
register XRASTER *xr; |
925 |
|
double sf; |
955 |
|
if (scanpos == NULL || scanpos[y] == -1) |
956 |
|
return(-1); |
957 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
958 |
< |
quit("fseek error"); |
958 |
> |
quiterr("fseek error"); |
959 |
|
cury = y; |
960 |
< |
} else if (scanpos != NULL) |
960 |
> |
} else if (scanpos != NULL && scanpos[y] == -1) |
961 |
|
scanpos[y] = ftell(fin); |
962 |
|
|
963 |
|
if (freadcolrs(scanline, xmax, fin) < 0) |
965 |
|
|
966 |
|
cury++; |
967 |
|
return(0); |
673 |
– |
} |
674 |
– |
|
675 |
– |
|
676 |
– |
picreadline3(y, l3) /* read in 3-byte scanline */ |
677 |
– |
int y; |
678 |
– |
register rgbpixel *l3; |
679 |
– |
{ |
680 |
– |
register int i; |
681 |
– |
/* read scanline */ |
682 |
– |
if (getscan(y) < 0) |
683 |
– |
quiterr("cannot seek for picreadline"); |
684 |
– |
/* convert scanline */ |
685 |
– |
normcolrs(scanline, xmax, scale); |
686 |
– |
for (i = 0; i < xmax; i++) { |
687 |
– |
l3[i].r = scanline[i][RED]; |
688 |
– |
l3[i].g = scanline[i][GRN]; |
689 |
– |
l3[i].b = scanline[i][BLU]; |
690 |
– |
} |
691 |
– |
} |
692 |
– |
|
693 |
– |
|
694 |
– |
picwriteline(y, l) /* add 8-bit scanline to image */ |
695 |
– |
int y; |
696 |
– |
pixel *l; |
697 |
– |
{ |
698 |
– |
bcopy((char *)l, (char *)ourdata+y*xmax, xmax); |
699 |
– |
} |
700 |
– |
|
701 |
– |
|
702 |
– |
picreadcm(map) /* do gamma correction */ |
703 |
– |
colormap map; |
704 |
– |
{ |
705 |
– |
extern double pow(); |
706 |
– |
register int i, val; |
707 |
– |
|
708 |
– |
for (i = 0; i < 256; i++) { |
709 |
– |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
710 |
– |
map[0][i] = map[1][i] = map[2][i] = val; |
711 |
– |
} |
712 |
– |
} |
713 |
– |
|
714 |
– |
|
715 |
– |
picwritecm(map) /* handled elsewhere */ |
716 |
– |
colormap map; |
717 |
– |
{ |
718 |
– |
#ifdef DEBUG |
719 |
– |
register int i; |
720 |
– |
|
721 |
– |
for (i = 0; i < 256; i++) |
722 |
– |
printf("%d %d %d\n", map[0][i],map[1][i],map[2][i]); |
723 |
– |
#endif |
968 |
|
} |