1 |
< |
/* Copyright (c) 1992 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1997 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"; |
21 |
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|
22 |
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#include "standard.h" |
23 |
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|
24 |
+ |
#include <signal.h> |
25 |
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#include <X11/Xlib.h> |
26 |
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#include <X11/cursorfont.h> |
27 |
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#include <X11/Xutil.h> |
28 |
+ |
#include <X11/Xatom.h> |
29 |
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|
30 |
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#include "color.h" |
31 |
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#include "view.h" |
33 |
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#include "random.h" |
34 |
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#include "resolu.h" |
35 |
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|
36 |
+ |
#ifdef __alpha |
37 |
+ |
#define int4 int |
38 |
+ |
#endif |
39 |
+ |
#ifndef int4 |
40 |
+ |
#define int4 long |
41 |
+ |
#endif |
42 |
+ |
|
43 |
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#define FONTNAME "8x13" /* text font we'll use */ |
44 |
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|
45 |
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#define CTRL(c) ((c)-'@') |
56 |
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#define redraw(x,y,w,h) patch_raster(wind,(x)-xoff,(y)-yoff,x,y,w,h,ourras) |
57 |
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|
58 |
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double gamcor = 2.2; /* gamma correction */ |
59 |
+ |
char *gamstr = NULL; /* gamma value override */ |
60 |
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|
61 |
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int dither = 1; /* dither colors? */ |
62 |
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int fast = 0; /* keep picture in Pixmap? */ |
65 |
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|
66 |
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Window wind = 0; /* our output window */ |
67 |
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unsigned long ourblack=0, ourwhite=1; /* black and white for this visual */ |
58 |
– |
Font fontid; /* our font */ |
59 |
– |
|
68 |
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int maxcolors = 0; /* maximum colors */ |
69 |
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int greyscale = 0; /* in grey */ |
70 |
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|
73 |
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int xoff = 0; /* x image offset */ |
74 |
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int yoff = 0; /* y image offset */ |
75 |
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|
76 |
+ |
int parent = 0; /* number of children, -1 if child */ |
77 |
+ |
int sequential = 0; /* display images in sequence */ |
78 |
+ |
|
79 |
+ |
char *tout = "od"; /* output of 't' command */ |
80 |
+ |
int tinterv = 0; /* interval between mouse reports */ |
81 |
+ |
|
82 |
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VIEW ourview = STDVIEW; /* image view parameters */ |
83 |
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int gotview = 0; /* got parameters from file */ |
84 |
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|
117 |
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|
118 |
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char errmsg[128]; |
119 |
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|
120 |
< |
extern BYTE clrtab[256][3]; /* global color map */ |
120 |
> |
BYTE clrtab[256][3]; /* global color map */ |
121 |
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|
122 |
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extern long ftell(); |
123 |
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|
124 |
< |
extern char *malloc(), *calloc(); |
124 |
> |
extern char *getenv(); |
125 |
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|
126 |
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Display *thedisplay; |
127 |
+ |
Atom closedownAtom, wmProtocolsAtom; |
128 |
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|
129 |
+ |
int sigrecv; |
130 |
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|
131 |
+ |
int onsig() { sigrecv++; } |
132 |
+ |
|
133 |
+ |
|
134 |
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main(argc, argv) |
135 |
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int argc; |
136 |
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char *argv[]; |
137 |
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{ |
119 |
– |
extern char *getenv(); |
120 |
– |
char *gv; |
138 |
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int headline(); |
139 |
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int i; |
140 |
+ |
int pid; |
141 |
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|
142 |
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progname = argv[0]; |
125 |
– |
if ((gv = getenv("GAMMA")) != NULL) |
126 |
– |
gamcor = atof(gv); |
143 |
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|
144 |
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for (i = 1; i < argc; i++) |
145 |
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if (argv[i][0] == '-') |
146 |
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switch (argv[i][1]) { |
147 |
< |
case 'c': |
147 |
> |
case 'c': /* number of colors */ |
148 |
|
maxcolors = atoi(argv[++i]); |
149 |
|
break; |
150 |
< |
case 'b': |
150 |
> |
case 'b': /* greyscale only */ |
151 |
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greyscale = !greyscale; |
152 |
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break; |
153 |
< |
case 'm': |
153 |
> |
case 'm': /* monochrome */ |
154 |
> |
greyscale = 1; |
155 |
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maxcolors = 2; |
156 |
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break; |
157 |
< |
case 'd': |
157 |
> |
case 'd': /* display or dither */ |
158 |
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if (argv[i][2] == 'i') |
159 |
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dispname = argv[++i]; |
160 |
|
else |
161 |
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dither = !dither; |
162 |
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break; |
163 |
< |
case 'f': |
163 |
> |
case 'f': /* save pixmap */ |
164 |
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fast = !fast; |
165 |
|
break; |
166 |
< |
case 'e': |
166 |
> |
case 's': /* one at a time */ |
167 |
> |
sequential = !sequential; |
168 |
> |
break; |
169 |
> |
case 'o': /* 't' output */ |
170 |
> |
tout = argv[i]+2; |
171 |
> |
break; |
172 |
> |
case 't': /* msec interval */ |
173 |
> |
tinterv = atoi(argv[++i]); |
174 |
> |
break; |
175 |
> |
case 'e': /* exposure comp. */ |
176 |
|
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
177 |
|
goto userr; |
178 |
|
scale = atoi(argv[++i]); |
179 |
|
break; |
180 |
< |
case 'g': |
180 |
> |
case 'g': /* gamma comp. */ |
181 |
|
if (argv[i][2] == 'e') |
182 |
|
geometry = argv[++i]; |
183 |
|
else |
184 |
< |
gamcor = atof(argv[++i]); |
184 |
> |
gamstr = argv[++i]; |
185 |
|
break; |
186 |
|
default: |
187 |
|
goto userr; |
191 |
|
else |
192 |
|
break; |
193 |
|
|
194 |
< |
if (i == argc-1) { |
194 |
> |
if (i > argc) |
195 |
> |
goto userr; |
196 |
> |
while (i < argc-1) { |
197 |
> |
sigrecv = 0; |
198 |
> |
signal(SIGCONT, onsig); |
199 |
> |
if ((pid=fork()) == 0) { /* a child for each picture */ |
200 |
> |
parent = -1; |
201 |
> |
break; |
202 |
> |
} |
203 |
> |
if (pid < 0) |
204 |
> |
quiterr("fork failed"); |
205 |
> |
parent++; |
206 |
> |
while (!sigrecv) |
207 |
> |
pause(); /* wait for wake-up call */ |
208 |
> |
i++; |
209 |
> |
} |
210 |
> |
if (i < argc) { /* open picture file */ |
211 |
|
fname = argv[i]; |
212 |
|
fin = fopen(fname, "r"); |
213 |
< |
if (fin == NULL) { |
214 |
< |
sprintf(errmsg, "cannot open file \"%s\"", fname); |
215 |
< |
quiterr(errmsg); |
174 |
< |
} |
175 |
< |
} else if (i != argc) |
176 |
< |
goto userr; |
213 |
> |
if (fin == NULL) |
214 |
> |
quiterr("cannot open picture file"); |
215 |
> |
} |
216 |
|
/* get header */ |
217 |
|
getheader(fin, headline, NULL); |
218 |
|
/* get picture dimensions */ |
226 |
|
if ((scanline = (COLR *)malloc(xmax*sizeof(COLR))) == NULL) |
227 |
|
quiterr("out of memory"); |
228 |
|
|
229 |
< |
init(); /* get file and open window */ |
229 |
> |
init(argc, argv); /* get file and open window */ |
230 |
|
|
231 |
|
for ( ; ; ) |
232 |
|
getevent(); /* main loop */ |
233 |
|
userr: |
234 |
|
fprintf(stderr, |
235 |
< |
"Usage: %s [-display disp][-geometry spec][-b][-m][-d][-f][-c ncolors][-e +/-stops] file\n", |
235 |
> |
"Usage: %s [-di disp][[-ge] spec][-b][-m][-d][-f][-c nclrs][-e +/-stops][-g gamcor][-s][-ospec][-t intvl] pic ..\n", |
236 |
|
progname); |
237 |
< |
quit(1); |
237 |
> |
exit(1); |
238 |
|
} |
239 |
|
|
240 |
|
|
253 |
|
} |
254 |
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|
255 |
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|
256 |
< |
init() /* get data and open window */ |
256 |
> |
init(argc, argv) /* get data and open window */ |
257 |
> |
int argc; |
258 |
> |
char **argv; |
259 |
|
{ |
219 |
– |
XWMHints ourxwmhints; |
260 |
|
XSetWindowAttributes ourwinattr; |
261 |
< |
XSizeHints oursizhints; |
261 |
> |
XClassHint xclshints; |
262 |
> |
XWMHints xwmhints; |
263 |
> |
XSizeHints xszhints; |
264 |
> |
XTextProperty windowName, iconName; |
265 |
> |
XGCValues xgcv; |
266 |
> |
char *name; |
267 |
|
register int i; |
268 |
|
|
269 |
|
if (fname != NULL) { |
270 |
|
scanpos = (long *)malloc(ymax*sizeof(long)); |
271 |
|
if (scanpos == NULL) |
272 |
< |
goto memerr; |
272 |
> |
quiterr("out of memory"); |
273 |
|
for (i = 0; i < ymax; i++) |
274 |
|
scanpos[i] = -1; |
275 |
< |
} |
275 |
> |
name = fname; |
276 |
> |
} else |
277 |
> |
name = progname; |
278 |
> |
/* remove directory prefix from name */ |
279 |
> |
for (i = strlen(name); i-- > 0; ) |
280 |
> |
if (name[i] == '/') |
281 |
> |
break; |
282 |
> |
name += i+1; |
283 |
|
if ((thedisplay = XOpenDisplay(dispname)) == NULL) |
284 |
|
quiterr("cannot open display"); |
285 |
+ |
/* set gamma value */ |
286 |
+ |
if (gamstr == NULL) /* get it from the X server */ |
287 |
+ |
gamstr = XGetDefault(thedisplay, "radiance", "gamma"); |
288 |
+ |
if (gamstr == NULL) /* get it from the environment */ |
289 |
+ |
gamstr = getenv("DISPLAY_GAMMA"); |
290 |
+ |
if (gamstr != NULL) |
291 |
+ |
gamcor = atof(gamstr); |
292 |
|
/* get best visual for default screen */ |
293 |
|
getbestvis(); |
294 |
|
/* store image */ |
295 |
|
getras(); |
296 |
|
/* get size and position */ |
297 |
< |
bzero((char *)&oursizhints, sizeof(oursizhints)); |
298 |
< |
oursizhints.width = xmax; oursizhints.height = ymax; |
297 |
> |
xszhints.flags = 0; |
298 |
> |
xszhints.width = xmax; xszhints.height = ymax; |
299 |
|
if (geometry != NULL) { |
300 |
< |
i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, |
301 |
< |
(unsigned *)&oursizhints.width, |
302 |
< |
(unsigned *)&oursizhints.height); |
300 |
> |
i = XParseGeometry(geometry, &xszhints.x, &xszhints.y, |
301 |
> |
(unsigned *)&xszhints.width, |
302 |
> |
(unsigned *)&xszhints.height); |
303 |
|
if ((i&(WidthValue|HeightValue)) == (WidthValue|HeightValue)) |
304 |
< |
oursizhints.flags |= USSize; |
304 |
> |
xszhints.flags |= USSize; |
305 |
|
else |
306 |
< |
oursizhints.flags |= PSize; |
306 |
> |
xszhints.flags |= PSize; |
307 |
|
if ((i&(XValue|YValue)) == (XValue|YValue)) { |
308 |
< |
oursizhints.flags |= USPosition; |
308 |
> |
xszhints.flags |= USPosition; |
309 |
|
if (i & XNegative) |
310 |
< |
oursizhints.x += DisplayWidth(thedisplay, |
311 |
< |
ourscreen)-1-oursizhints.width-2*BORWIDTH; |
310 |
> |
xszhints.x += DisplayWidth(thedisplay, |
311 |
> |
ourscreen)-1-xszhints.width-2*BORWIDTH; |
312 |
|
if (i & YNegative) |
313 |
< |
oursizhints.y += DisplayHeight(thedisplay, |
314 |
< |
ourscreen)-1-oursizhints.height-2*BORWIDTH; |
313 |
> |
xszhints.y += DisplayHeight(thedisplay, |
314 |
> |
ourscreen)-1-xszhints.height-2*BORWIDTH; |
315 |
|
} |
316 |
|
} |
317 |
< |
/* open window */ |
318 |
< |
ourwinattr.border_pixel = ourblack; |
319 |
< |
ourwinattr.background_pixel = ourwhite; |
320 |
< |
ourwinattr.colormap = XCreateColormap(thedisplay, ourroot, |
321 |
< |
ourvis.visual, AllocNone); |
322 |
< |
wind = XCreateWindow(thedisplay, ourroot, oursizhints.x, oursizhints.y, |
323 |
< |
oursizhints.width, oursizhints.height, BORWIDTH, |
324 |
< |
ourvis.depth, InputOutput, ourvis.visual, |
325 |
< |
CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
317 |
> |
/* open window */ |
318 |
> |
i = CWEventMask|CWCursor|CWBackPixel|CWBorderPixel; |
319 |
> |
ourwinattr.border_pixel = ourwhite; |
320 |
> |
ourwinattr.background_pixel = ourblack; |
321 |
> |
if (ourvis.visual != DefaultVisual(thedisplay,ourscreen)) { |
322 |
> |
ourwinattr.colormap = newcmap(thedisplay, ourscreen, ourvis.visual); |
323 |
> |
i |= CWColormap; |
324 |
> |
} |
325 |
> |
ourwinattr.event_mask = ExposureMask|KeyPressMask|ButtonPressMask| |
326 |
> |
ButtonReleaseMask|ButtonMotionMask|StructureNotifyMask; |
327 |
> |
ourwinattr.cursor = XCreateFontCursor(thedisplay, XC_diamond_cross); |
328 |
> |
wind = XCreateWindow(thedisplay, ourroot, xszhints.x, xszhints.y, |
329 |
> |
xszhints.width, xszhints.height, BORWIDTH, |
330 |
> |
ourvis.depth, InputOutput, ourvis.visual, |
331 |
> |
i, &ourwinattr); |
332 |
|
if (wind == 0) |
333 |
|
quiterr("cannot create window"); |
269 |
– |
XFreeColormap(thedisplay, ourwinattr.colormap); |
334 |
|
width = xmax; |
335 |
|
height = ymax; |
336 |
< |
ourgc = XCreateGC(thedisplay, wind, 0, 0); |
337 |
< |
XSetState(thedisplay, ourgc, ourblack, ourwhite, GXcopy, AllPlanes); |
274 |
< |
revgc = XCreateGC(thedisplay, wind, 0, 0); |
275 |
< |
XSetFunction(thedisplay, revgc, GXinvert); |
276 |
< |
fontid = XLoadFont(thedisplay, FONTNAME); |
277 |
< |
if (fontid == 0) |
336 |
> |
/* prepare graphics drawing context */ |
337 |
> |
if ((xgcv.font = XLoadFont(thedisplay, FONTNAME)) == 0) |
338 |
|
quiterr("cannot get font"); |
339 |
< |
XSetFont(thedisplay, ourgc, fontid); |
340 |
< |
XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, |
341 |
< |
XC_diamond_cross)); |
342 |
< |
XStoreName(thedisplay, wind, fname == NULL ? progname : fname); |
343 |
< |
if (oursizhints.flags) |
344 |
< |
XSetNormalHints(thedisplay, wind, &oursizhints); |
345 |
< |
ourxwmhints.flags = InputHint|IconPixmapHint; |
346 |
< |
ourxwmhints.input = True; |
347 |
< |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
339 |
> |
xgcv.foreground = ourblack; |
340 |
> |
xgcv.background = ourwhite; |
341 |
> |
ourgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
342 |
> |
GCFont, &xgcv); |
343 |
> |
xgcv.function = GXinvert; |
344 |
> |
revgc = XCreateGC(thedisplay, wind, GCForeground|GCBackground| |
345 |
> |
GCFunction, &xgcv); |
346 |
> |
|
347 |
> |
/* set up the window manager */ |
348 |
> |
xwmhints.flags = InputHint|IconPixmapHint; |
349 |
> |
xwmhints.input = True; |
350 |
> |
xwmhints.icon_pixmap = XCreateBitmapFromData(thedisplay, |
351 |
|
wind, icondata, iconwidth, iconheight); |
352 |
< |
XSetWMHints(thedisplay, wind, &ourxwmhints); |
353 |
< |
XSelectInput(thedisplay, wind, ButtonPressMask|ButtonReleaseMask |
354 |
< |
|ButtonMotionMask|StructureNotifyMask |
355 |
< |
|KeyPressMask|ExposureMask); |
352 |
> |
|
353 |
> |
windowName.encoding = iconName.encoding = XA_STRING; |
354 |
> |
windowName.format = iconName.format = 8; |
355 |
> |
windowName.value = (u_char *)name; |
356 |
> |
windowName.nitems = strlen(windowName.value); |
357 |
> |
iconName.value = (u_char *)name; |
358 |
> |
iconName.nitems = strlen(windowName.value); |
359 |
> |
|
360 |
> |
xclshints.res_name = NULL; |
361 |
> |
xclshints.res_class = "Ximage"; |
362 |
> |
XSetWMProperties(thedisplay, wind, &windowName, &iconName, |
363 |
> |
argv, argc, &xszhints, &xwmhints, &xclshints); |
364 |
> |
closedownAtom = XInternAtom(thedisplay, "WM_DELETE_WINDOW", False); |
365 |
> |
wmProtocolsAtom = XInternAtom(thedisplay, "WM_PROTOCOLS", False); |
366 |
> |
XSetWMProtocols(thedisplay, wind, &closedownAtom, 1); |
367 |
> |
|
368 |
|
XMapWindow(thedisplay, wind); |
294 |
– |
return; |
295 |
– |
memerr: |
296 |
– |
quiterr("out of memory"); |
369 |
|
} /* end of init */ |
370 |
|
|
371 |
|
|
372 |
|
quiterr(err) /* print message and exit */ |
373 |
|
char *err; |
374 |
|
{ |
375 |
< |
if (err != NULL) { |
376 |
< |
fprintf(stderr, "%s: %s\n", progname, err); |
377 |
< |
exit(1); |
375 |
> |
register int es; |
376 |
> |
int cs; |
377 |
> |
|
378 |
> |
if (es = err != NULL) |
379 |
> |
fprintf(stderr, "%s: %s: %s\n", progname, |
380 |
> |
fname==NULL?"<stdin>":fname, err); |
381 |
> |
if (thedisplay != NULL) |
382 |
> |
XCloseDisplay(thedisplay); |
383 |
> |
if (parent < 0 & sigrecv == 0) |
384 |
> |
kill(getppid(), SIGCONT); |
385 |
> |
while (parent > 0 && wait(&cs) != -1) { /* wait for any children */ |
386 |
> |
if (es == 0) |
387 |
> |
es = cs>>8 & 0xff; |
388 |
> |
parent--; |
389 |
|
} |
390 |
< |
exit(0); |
390 |
> |
exit(es); |
391 |
|
} |
392 |
|
|
393 |
|
|
528 |
|
goto fail; |
529 |
|
getmono(); |
530 |
|
} else if (ourvis.class == TrueColor | ourvis.class == DirectColor) { |
531 |
< |
ourdata = (unsigned char *)malloc(4*xmax*ymax); |
531 |
> |
ourdata = (unsigned char *)malloc(sizeof(int4)*xmax*ymax); |
532 |
|
if (ourdata == NULL) |
533 |
|
goto fail; |
534 |
< |
ourras = make_raster(thedisplay, &ourvis, 32, |
534 |
> |
ourras = make_raster(thedisplay, &ourvis, sizeof(int4)*8, |
535 |
|
ourdata, xmax, ymax, 32); |
536 |
|
if (ourras == NULL) |
537 |
|
goto fail; |
559 |
|
|
560 |
|
getevent() /* process the next event */ |
561 |
|
{ |
562 |
< |
union { |
480 |
< |
XEvent u; |
481 |
< |
XConfigureEvent c; |
482 |
< |
XExposeEvent e; |
483 |
< |
XButtonPressedEvent b; |
484 |
< |
XKeyPressedEvent k; |
485 |
< |
} e; |
562 |
> |
XEvent xev; |
563 |
|
|
564 |
< |
XNextEvent(thedisplay, &e.u); |
565 |
< |
switch (e.u.type) { |
564 |
> |
XNextEvent(thedisplay, &xev); |
565 |
> |
switch ((int)xev.type) { |
566 |
|
case KeyPress: |
567 |
< |
docom(&e.k); |
567 |
> |
docom(&xev.xkey); |
568 |
|
break; |
569 |
|
case ConfigureNotify: |
570 |
< |
width = e.c.width; |
571 |
< |
height = e.c.height; |
570 |
> |
width = xev.xconfigure.width; |
571 |
> |
height = xev.xconfigure.height; |
572 |
|
break; |
573 |
|
case MapNotify: |
574 |
|
map_rcolors(ourras, wind); |
575 |
|
if (fast) |
576 |
|
make_rpixmap(ourras, wind); |
577 |
+ |
if (!sequential & parent < 0 & sigrecv == 0) { |
578 |
+ |
kill(getppid(), SIGCONT); |
579 |
+ |
sigrecv--; |
580 |
+ |
} |
581 |
|
break; |
582 |
|
case UnmapNotify: |
583 |
|
if (!fast) |
584 |
|
unmap_rcolors(ourras); |
585 |
|
break; |
586 |
|
case Expose: |
587 |
< |
redraw(e.e.x, e.e.y, e.e.width, e.e.height); |
587 |
> |
redraw(xev.xexpose.x, xev.xexpose.y, |
588 |
> |
xev.xexpose.width, xev.xexpose.height); |
589 |
|
break; |
590 |
|
case ButtonPress: |
591 |
< |
if (e.b.state & (ShiftMask|ControlMask)) |
592 |
< |
moveimage(&e.b); |
591 |
> |
if (xev.xbutton.state & (ShiftMask|ControlMask)) |
592 |
> |
moveimage(&xev.xbutton); |
593 |
|
else |
594 |
< |
getbox(&e.b); |
594 |
> |
switch (xev.xbutton.button) { |
595 |
> |
case Button1: |
596 |
> |
getbox(&xev.xbutton); |
597 |
> |
break; |
598 |
> |
case Button2: |
599 |
> |
traceray(xev.xbutton.x, xev.xbutton.y); |
600 |
> |
break; |
601 |
> |
case Button3: |
602 |
> |
trackrays(&xev.xbutton); |
603 |
> |
break; |
604 |
> |
} |
605 |
|
break; |
606 |
+ |
case ClientMessage: |
607 |
+ |
if ((xev.xclient.message_type == wmProtocolsAtom) && |
608 |
+ |
(xev.xclient.data.l[0] == closedownAtom)) |
609 |
+ |
quiterr(NULL); |
610 |
+ |
break; |
611 |
|
} |
612 |
|
} |
613 |
|
|
614 |
|
|
615 |
< |
docom(ekey) /* execute command */ |
615 |
> |
traceray(xpos, ypos) /* print requested pixel data */ |
616 |
> |
int xpos, ypos; |
617 |
> |
{ |
618 |
> |
extern char *index(); |
619 |
> |
FLOAT hv[2]; |
620 |
> |
FVECT rorg, rdir; |
621 |
> |
COLOR cval; |
622 |
> |
register char *cp; |
623 |
> |
|
624 |
> |
box.xmin = xpos; box.xsiz = 1; |
625 |
> |
box.ymin = ypos; box.ysiz = 1; |
626 |
> |
avgbox(cval); |
627 |
> |
scalecolor(cval, 1./exposure); |
628 |
> |
pix2loc(hv, &inpres, xpos-xoff, ypos-yoff); |
629 |
> |
if (!gotview || viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
630 |
> |
rorg[0] = rorg[1] = rorg[2] = |
631 |
> |
rdir[0] = rdir[1] = rdir[2] = 0.; |
632 |
> |
|
633 |
> |
for (cp = tout; *cp; cp++) /* print what they asked for */ |
634 |
> |
switch (*cp) { |
635 |
> |
case 'o': /* origin */ |
636 |
> |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
637 |
> |
break; |
638 |
> |
case 'd': /* direction */ |
639 |
> |
printf("%e %e %e ", rdir[0], rdir[1], rdir[2]); |
640 |
> |
break; |
641 |
> |
case 'v': /* radiance value */ |
642 |
> |
printf("%e %e %e ", colval(cval,RED), |
643 |
> |
colval(cval,GRN), colval(cval,BLU)); |
644 |
> |
break; |
645 |
> |
case 'l': /* luminance */ |
646 |
> |
printf("%e ", luminance(cval)); |
647 |
> |
break; |
648 |
> |
case 'p': /* pixel position */ |
649 |
> |
printf("%d %d ", (int)(hv[0]*inpres.xr), |
650 |
> |
(int)(hv[1]*inpres.yr)); |
651 |
> |
break; |
652 |
> |
} |
653 |
> |
putchar('\n'); |
654 |
> |
fflush(stdout); |
655 |
> |
return(0); |
656 |
> |
} |
657 |
> |
|
658 |
> |
|
659 |
> |
docom(ekey) /* execute command */ |
660 |
|
XKeyPressedEvent *ekey; |
661 |
|
{ |
662 |
|
char buf[80]; |
665 |
|
int com, n; |
666 |
|
double comp; |
667 |
|
FLOAT hv[2]; |
527 |
– |
FVECT rorg, rdir; |
668 |
|
|
669 |
|
n = XLookupString(ekey, buf, sizeof(buf), NULL, NULL); |
670 |
|
if (n == 0) |
672 |
|
com = buf[0]; |
673 |
|
switch (com) { /* interpret command */ |
674 |
|
case 'q': |
675 |
+ |
case 'Q': |
676 |
|
case CTRL('D'): /* quit */ |
677 |
< |
quit(0); |
677 |
> |
quiterr(NULL); |
678 |
|
case '\n': |
679 |
|
case '\r': |
680 |
|
case 'l': |
720 |
|
buf, strlen(buf)); |
721 |
|
return(0); |
722 |
|
case 't': /* trace */ |
723 |
< |
if (!gotview) { |
583 |
< |
XBell(thedisplay, 0); |
584 |
< |
return(-1); |
585 |
< |
} |
586 |
< |
pix2loc(hv, &inpres, ekey->x-xoff, ekey->y-yoff); |
587 |
< |
if (viewray(rorg, rdir, &ourview, hv[0], hv[1]) < 0) |
588 |
< |
return(-1); |
589 |
< |
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
590 |
< |
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
591 |
< |
fflush(stdout); |
592 |
< |
return(0); |
723 |
> |
return(traceray(ekey->x, ekey->y)); |
724 |
|
case '=': /* adjust exposure */ |
725 |
+ |
case '@': /* adaptation level */ |
726 |
|
if (avgbox(cval) == -1) |
727 |
|
return(-1); |
728 |
< |
n = log(.5/bright(cval))/.69315 - scale; /* truncate */ |
728 |
> |
comp = bright(cval); |
729 |
> |
if (comp < 1e-20) { |
730 |
> |
XBell(thedisplay, 0); |
731 |
> |
return(-1); |
732 |
> |
} |
733 |
> |
if (com == '@') |
734 |
> |
comp = 106./exposure/ |
735 |
> |
pow(1.219+pow(comp*WHTEFFICACY/exposure,.4),2.5); |
736 |
> |
else |
737 |
> |
comp = .5/comp; |
738 |
> |
comp = log(comp)/.69315 - scale; |
739 |
> |
n = comp < 0 ? comp-.5 : comp+.5 ; /* round */ |
740 |
|
if (n == 0) |
741 |
|
return(0); |
742 |
|
scale_rcolors(ourras, pow(2.0, (double)n)); |
758 |
|
make_rpixmap(ourras, wind); |
759 |
|
redraw(0, 0, width, height); |
760 |
|
return(0); |
761 |
+ |
case 'f': /* turn on fast redraw */ |
762 |
+ |
fast = 1; |
763 |
+ |
make_rpixmap(ourras, wind); |
764 |
+ |
return(0); |
765 |
+ |
case 'F': /* turn off fast redraw */ |
766 |
+ |
fast = 0; |
767 |
+ |
free_rpixmap(ourras); |
768 |
+ |
return(0); |
769 |
|
case '0': /* recenter origin */ |
770 |
|
if (xoff == 0 & yoff == 0) |
771 |
|
return(0); |
786 |
|
moveimage(ebut) /* shift the image */ |
787 |
|
XButtonPressedEvent *ebut; |
788 |
|
{ |
789 |
< |
union { |
639 |
< |
XEvent u; |
640 |
< |
XButtonReleasedEvent b; |
641 |
< |
XPointerMovedEvent m; |
642 |
< |
} e; |
789 |
> |
XEvent e; |
790 |
|
int mxo, myo; |
791 |
|
|
792 |
< |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e.u); |
793 |
< |
while (e.u.type == MotionNotify) { |
794 |
< |
mxo = e.m.x; |
795 |
< |
myo = e.m.y; |
792 |
> |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
793 |
> |
while (e.type == MotionNotify) { |
794 |
> |
mxo = e.xmotion.x; |
795 |
> |
myo = e.xmotion.y; |
796 |
|
revline(ebut->x, ebut->y, mxo, myo); |
797 |
|
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
798 |
|
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
799 |
< |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e.u); |
799 |
> |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
800 |
|
revline(ebut->x, ebut->y, mxo, myo); |
801 |
|
revbox(xoff+mxo-ebut->x, yoff+myo-ebut->y, |
802 |
|
xoff+mxo-ebut->x+xmax, yoff+myo-ebut->y+ymax); |
803 |
|
} |
804 |
< |
xoff += e.b.x - ebut->x; |
805 |
< |
yoff += e.b.y - ebut->y; |
804 |
> |
xoff += e.xbutton.x - ebut->x; |
805 |
> |
yoff += e.xbutton.y - ebut->y; |
806 |
|
XClearWindow(thedisplay, wind); |
807 |
|
redraw(0, 0, width, height); |
808 |
|
} |
811 |
|
getbox(ebut) /* get new box */ |
812 |
|
XButtonPressedEvent *ebut; |
813 |
|
{ |
814 |
< |
union { |
668 |
< |
XEvent u; |
669 |
< |
XButtonReleasedEvent b; |
670 |
< |
XPointerMovedEvent m; |
671 |
< |
} e; |
814 |
> |
XEvent e; |
815 |
|
|
816 |
< |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e.u); |
817 |
< |
while (e.u.type == MotionNotify) { |
818 |
< |
revbox(ebut->x, ebut->y, box.xmin = e.m.x, box.ymin = e.m.y); |
819 |
< |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e.u); |
816 |
> |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
817 |
> |
while (e.type == MotionNotify) { |
818 |
> |
revbox(ebut->x, ebut->y, box.xmin = e.xmotion.x, box.ymin = e.xmotion.y); |
819 |
> |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
820 |
|
revbox(ebut->x, ebut->y, box.xmin, box.ymin); |
821 |
|
} |
822 |
< |
box.xmin = e.b.x<0 ? 0 : (e.b.x>=width ? width-1 : e.b.x); |
823 |
< |
box.ymin = e.b.y<0 ? 0 : (e.b.y>=height ? height-1 : e.b.y); |
822 |
> |
box.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
823 |
> |
box.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
824 |
|
if (box.xmin > ebut->x) { |
825 |
|
box.xsiz = box.xmin - ebut->x + 1; |
826 |
|
box.xmin = ebut->x; |
836 |
|
} |
837 |
|
|
838 |
|
|
839 |
+ |
trackrays(ebut) /* trace rays as mouse moves */ |
840 |
+ |
XButtonPressedEvent *ebut; |
841 |
+ |
{ |
842 |
+ |
XEvent e; |
843 |
+ |
unsigned long lastrept; |
844 |
+ |
|
845 |
+ |
traceray(ebut->x, ebut->y); |
846 |
+ |
lastrept = ebut->time; |
847 |
+ |
XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
848 |
+ |
while (e.type == MotionNotify) { |
849 |
+ |
if (e.xmotion.time >= lastrept + tinterv) { |
850 |
+ |
traceray(e.xmotion.x, e.xmotion.y); |
851 |
+ |
lastrept = e.xmotion.time; |
852 |
+ |
} |
853 |
+ |
XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
854 |
+ |
} |
855 |
+ |
} |
856 |
+ |
|
857 |
+ |
|
858 |
|
revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
859 |
|
int x0, y0, x1, y1; |
860 |
|
{ |
1000 |
|
getfull() /* get full (24-bit) data */ |
1001 |
|
{ |
1002 |
|
int y; |
1003 |
< |
register unsigned long *dp; |
1003 |
> |
register unsigned int4 *dp; |
1004 |
|
register int x; |
1005 |
|
/* set gamma correction */ |
1006 |
|
setcolrgam(gamcor); |
1007 |
|
/* read and convert file */ |
1008 |
< |
dp = (unsigned long *)ourdata; |
1008 |
> |
dp = (unsigned int4 *)ourdata; |
1009 |
|
for (y = 0; y < ymax; y++) { |
1010 |
|
getscan(y); |
1011 |
|
add2icon(y, scanline); |
1014 |
|
colrs_gambs(scanline, xmax); |
1015 |
|
if (ourras->image->blue_mask & 1) |
1016 |
|
for (x = 0; x < xmax; x++) |
1017 |
< |
*dp++ = scanline[x][RED] << 16 | |
1018 |
< |
scanline[x][GRN] << 8 | |
1019 |
< |
scanline[x][BLU] ; |
1017 |
> |
*dp++ = (unsigned int4)scanline[x][RED] << 16 | |
1018 |
> |
(unsigned int4)scanline[x][GRN] << 8 | |
1019 |
> |
(unsigned int4)scanline[x][BLU] ; |
1020 |
|
else |
1021 |
|
for (x = 0; x < xmax; x++) |
1022 |
< |
*dp++ = scanline[x][RED] | |
1023 |
< |
scanline[x][GRN] << 8 | |
1024 |
< |
scanline[x][BLU] << 16 ; |
1022 |
> |
*dp++ = (unsigned int4)scanline[x][RED] | |
1023 |
> |
(unsigned int4)scanline[x][GRN] << 8 | |
1024 |
> |
(unsigned int4)scanline[x][BLU] << 16 ; |
1025 |
|
} |
1026 |
|
} |
1027 |
|
|
1060 |
|
getmapped() /* get color-mapped data */ |
1061 |
|
{ |
1062 |
|
int y; |
1063 |
+ |
/* make sure we can do it first */ |
1064 |
+ |
if (fname == NULL) |
1065 |
+ |
quiterr("cannot map colors from standard input"); |
1066 |
|
/* set gamma correction */ |
1067 |
|
setcolrgam(gamcor); |
1068 |
|
/* make histogram */ |
1069 |
< |
new_histo(); |
1069 |
> |
if (new_histo((long)xmax*ymax) == -1) |
1070 |
> |
quiterr("cannot initialize histogram"); |
1071 |
|
for (y = 0; y < ymax; y++) { |
1072 |
|
if (getscan(y) < 0) |
1073 |
< |
quiterr("seek error in getmapped"); |
1073 |
> |
break; |
1074 |
|
add2icon(y, scanline); |
1075 |
|
if (scale) |
1076 |
|
shiftcolrs(scanline, xmax, scale); |
1081 |
|
if (!new_clrtab(maxcolors)) |
1082 |
|
quiterr("cannot create color map"); |
1083 |
|
for (y = 0; y < ymax; y++) { |
1084 |
< |
if (getscan(y) < 0) |
919 |
< |
quiterr("seek error in getmapped"); |
1084 |
> |
getscan(y); |
1085 |
|
if (scale) |
1086 |
|
shiftcolrs(scanline, xmax, scale); |
1087 |
|
colrs_gambs(scanline, xmax); |
1124 |
|
getscan(y) |
1125 |
|
int y; |
1126 |
|
{ |
1127 |
+ |
static int trunced = -1; /* truncated file? */ |
1128 |
+ |
skipit: |
1129 |
+ |
if (trunced >= 0 && y >= trunced) { |
1130 |
+ |
bzero(scanline, xmax*sizeof(COLR)); |
1131 |
+ |
return(-1); |
1132 |
+ |
} |
1133 |
|
if (y != cury) { |
1134 |
|
if (scanpos == NULL || scanpos[y] == -1) |
1135 |
|
return(-1); |
1139 |
|
} else if (scanpos != NULL && scanpos[y] == -1) |
1140 |
|
scanpos[y] = ftell(fin); |
1141 |
|
|
1142 |
< |
if (freadcolrs(scanline, xmax, fin) < 0) |
1143 |
< |
quiterr("read error"); |
1144 |
< |
|
1142 |
> |
if (freadcolrs(scanline, xmax, fin) < 0) { |
1143 |
> |
fprintf(stderr, "%s: %s: unfinished picture\n", |
1144 |
> |
progname, fname==NULL?"<stdin>":fname); |
1145 |
> |
trunced = y; |
1146 |
> |
goto skipit; |
1147 |
> |
} |
1148 |
|
cury++; |
1149 |
|
return(0); |
1150 |
|
} |