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13 |
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#include "standard.h" |
14 |
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#include "view.h" |
15 |
+ |
#include "resolu.h" |
16 |
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#include "vfork.h" |
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#include <signal.h> |
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#include <X11/Xlib.h> |
16 |
– |
#include <X11/cursorfont.h> |
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#include <X11/Xutil.h> |
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|
21 |
+ |
#define XIM "ximage" |
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|
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#define NSEG 30 /* number of segments per circle */ |
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|
25 |
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#define FONTNAME "8x13" /* text font we'll use */ |
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|
27 |
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float col[3] = {1.,0.,0.}; /* color */ |
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|
29 |
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VIEW ourview = STDVIEW; /* view for picture */ |
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< |
int xres, yres; /* picture resolution */ |
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RESOLU pres; /* picture resolution */ |
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|
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char *progname; /* program name */ |
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|
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#define rwind RootWindow(theDisplay,ourScreen) |
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#define ourScreen DefaultScreen(theDisplay) |
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|
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< |
GC vecGC; |
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> |
GC vecGC, strGC; |
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Window gwind; |
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Cursor pickcursor; |
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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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{ |
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char *windowname = NULL; |
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FILE *fp; |
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|
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progname = argv[0]; |
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if (argc < 2 || argc > 3) { |
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fprintf(stderr, "Usage: %s picture [glaresrc]\n", |
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progname = *argv++; argc--; |
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while (argc > 0 && argv[0][0] == '-') { |
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> |
switch (argv[0][1]) { |
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> |
case 'n': |
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windowname = *++argv; |
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argc--; |
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break; |
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case 'c': |
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col[0] = atof(*++argv); |
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col[1] = atof(*++argv); |
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> |
col[2] = atof(*++argv); |
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argc -= 3; |
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break; |
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> |
} |
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> |
argv++; argc--; |
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> |
} |
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if (argc < 1 || argc > 2) { |
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fprintf(stderr, |
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"Usage: %s [-n windowname][-c color] picture [glaresrc]\n", |
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progname); |
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exit(1); |
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} |
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init(argv[1]); |
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if (argc < 3) |
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init(argv[0], windowname); |
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if (argc < 2) |
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fp = stdin; |
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else if ((fp = fopen(argv[2], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open \"%s\"\n", |
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progname, argv[2]); |
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else if ((fp = fopen(argv[1], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open \"%s\"\n", progname, argv[1]); |
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exit(1); |
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} |
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circle_sources(fp); |
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} |
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|
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|
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init(name) /* set up vector drawing from pick */ |
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char *name; |
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init(pname, wname) /* get view and find window */ |
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char *pname, *wname; |
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{ |
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extern Window xfindwind(); |
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XWindowAttributes wa; |
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XEvent xev; |
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XColor xc; |
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XGCValues gcv; |
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/* get the viewing parameters */ |
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if (viewfile(name, &ourview, &xres, &yres) <= 0 || |
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> |
if (viewfile(pname, &ourview, &pres) <= 0 || |
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setview(&ourview) != NULL) { |
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fprintf(stderr, "%s: cannot get view from \"%s\"\n", |
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progname, name); |
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> |
progname, pname); |
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exit(1); |
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} |
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/* open the display */ |
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progname); |
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exit(1); |
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} |
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pickcursor = XCreateFontCursor(theDisplay, XC_target); |
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/* find our window */ |
106 |
< |
while (XGrabPointer(theDisplay, rwind, True, ButtonPressMask, |
107 |
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GrabModeAsync, GrabModeAsync, None, pickcursor, |
108 |
< |
CurrentTime) != GrabSuccess) |
109 |
< |
sleep(2); |
110 |
< |
printf("%s: click mouse in \"%s\" display window\n", progname, name); |
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< |
XNextEvent(theDisplay, &xev); |
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< |
XUngrabPointer(theDisplay, CurrentTime); |
113 |
< |
if (((XButtonEvent *)&xev)->subwindow == None) { |
114 |
< |
fprintf(stderr, "%s: no window selected\n", progname); |
115 |
< |
exit(1); |
116 |
< |
} |
117 |
< |
gwind = ((XButtonEvent *)&xev)->subwindow; |
118 |
< |
XRaiseWindow(theDisplay, gwind); |
119 |
< |
XGetWindowAttributes(theDisplay, gwind, &wa); |
120 |
< |
sleep(4); |
121 |
< |
if (wa.width != xres || wa.height != yres) { |
106 |
> |
if (wname == NULL) |
107 |
> |
wname = pname; |
108 |
> |
gwind = xfindwind(theDisplay, rwind, wname, 4); |
109 |
> |
if (gwind == None) { |
110 |
> |
if (wname != pname) { |
111 |
> |
fprintf(stderr, "%s: cannot find \"%s\" window\n", |
112 |
> |
progname, wname); |
113 |
> |
exit(2); |
114 |
> |
} |
115 |
> |
/* start ximage */ |
116 |
> |
if (vfork() == 0) { |
117 |
> |
execlp(XIM, XIM, "-c", "256", pname, 0); |
118 |
> |
perror(XIM); |
119 |
> |
fprintf(stderr, "%s: cannot start %s\n", |
120 |
> |
progname, XIM); |
121 |
> |
kill(getppid(), SIGPIPE); |
122 |
> |
_exit(1); |
123 |
> |
} |
124 |
> |
do |
125 |
> |
sleep(8); |
126 |
> |
while ((gwind=xfindwind(theDisplay,rwind,pname,4)) == None); |
127 |
> |
} else |
128 |
> |
XMapRaised(theDisplay, gwind); |
129 |
> |
do { |
130 |
> |
XGetWindowAttributes(theDisplay, gwind, &wa); |
131 |
> |
sleep(6); |
132 |
> |
} while (wa.map_state != IsViewable); |
133 |
> |
if (wa.width != scanlen(&pres) || wa.height != numscans(&pres)) { |
134 |
|
fprintf(stderr, |
135 |
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"%s: warning -- window seems to be the wrong size!\n", |
136 |
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progname); |
137 |
< |
xres = wa.width; |
138 |
< |
yres = wa.height; |
137 |
> |
if (pres.or & YMAJOR) { |
138 |
> |
pres.xr = wa.width; |
139 |
> |
pres.yr = wa.height; |
140 |
> |
} else { |
141 |
> |
pres.xr = wa.height; |
142 |
> |
pres.yr = wa.width; |
143 |
> |
} |
144 |
|
} |
145 |
|
/* set graphics context */ |
146 |
< |
xc.red = 65535; xc.green = 0; xc.blue = 0; |
146 |
> |
gcv.font = XLoadFont(theDisplay, FONTNAME); |
147 |
> |
if (gcv.font == 0) { |
148 |
> |
fprintf(stderr, "%s: cannot load font \"%s\"\n", |
149 |
> |
progname, FONTNAME); |
150 |
> |
exit(1); |
151 |
> |
} |
152 |
> |
xc.red = col[0] >= 1.0 ? 65535 : (unsigned)(65536*col[0]); |
153 |
> |
xc.green = col[1] >= 1.0 ? 65535 : (unsigned)(65536*col[1]); |
154 |
> |
xc.blue = col[2] >= 1.0 ? 65535 : (unsigned)(65536*col[2]); |
155 |
|
xc.flags = DoRed|DoGreen|DoBlue; |
156 |
+ |
gcv.background = xc.green >= 32768 ? |
157 |
+ |
BlackPixel(theDisplay,DefaultScreen(theDisplay)) : |
158 |
+ |
WhitePixel(theDisplay,DefaultScreen(theDisplay)) ; |
159 |
|
if (XAllocColor(theDisplay, wa.colormap, &xc)) { |
160 |
|
gcv.foreground = xc.pixel; |
161 |
< |
vecGC = XCreateGC(theDisplay,gwind,GCForeground,&gcv); |
161 |
> |
vecGC = XCreateGC(theDisplay,gwind, |
162 |
> |
GCForeground|GCBackground|GCFont,&gcv); |
163 |
> |
strGC = vecGC; |
164 |
|
} else { |
165 |
|
gcv.function = GXinvert; |
166 |
|
vecGC = XCreateGC(theDisplay,gwind,GCFunction,&gcv); |
167 |
+ |
gcv.foreground = xc.green < 32768 ? |
168 |
+ |
BlackPixel(theDisplay,DefaultScreen(theDisplay)) : |
169 |
+ |
WhitePixel(theDisplay,DefaultScreen(theDisplay)) ; |
170 |
+ |
strGC = XCreateGC(theDisplay,gwind, |
171 |
+ |
GCForeground|GCBackground|GCFont,&gcv); |
172 |
|
} |
173 |
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} |
174 |
|
|
179 |
|
char linbuf[256]; |
180 |
|
int reading = 0; |
181 |
|
FVECT dir; |
182 |
< |
double dom; |
182 |
> |
double dom, lum; |
183 |
|
|
184 |
|
while (fgets(linbuf, sizeof(linbuf), fp) != NULL) |
185 |
|
if (reading) { |
187 |
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XFlush(theDisplay); |
188 |
|
return; |
189 |
|
} |
190 |
< |
if (sscanf(linbuf, "%lf %lf %lf %lf", |
190 |
> |
if (sscanf(linbuf, "%lf %lf %lf %lf %lf", |
191 |
|
&dir[0], &dir[1], &dir[2], |
192 |
< |
&dom) != 4) |
192 |
> |
&dom, &lum) != 5) |
193 |
|
break; |
194 |
|
circle(dir, dom); |
195 |
+ |
value(dir, lum); |
196 |
|
} else if (!strcmp(linbuf, "BEGIN glare source\n")) |
197 |
|
reading++; |
198 |
|
|
207 |
|
{ |
208 |
|
FVECT start, cur; |
209 |
|
XPoint pt[NSEG+1]; |
210 |
< |
double px, py, pz; |
210 |
> |
FVECT pp; |
211 |
> |
int ip[2]; |
212 |
|
register int i; |
213 |
|
|
214 |
|
fcross(cur, dir, ourview.vup); |
220 |
|
cur[0] += ourview.vp[0]; |
221 |
|
cur[1] += ourview.vp[1]; |
222 |
|
cur[2] += ourview.vp[2]; |
223 |
< |
viewpixel(&px, &py, &pz, &ourview, cur); |
224 |
< |
if (pz <= 0.0) |
223 |
> |
viewloc(pp, &ourview, cur); |
224 |
> |
if (pp[2] <= 0.0) |
225 |
|
goto fail; |
226 |
< |
pt[i].x = px*xres; |
227 |
< |
pt[i].y = yres-1 - (int)(py*yres); |
226 |
> |
loc2pix(ip, &pres, pp[0], pp[1]); |
227 |
> |
pt[i].x = ip[0]; |
228 |
> |
pt[i].y = ip[1]; |
229 |
|
} |
230 |
|
XDrawLines(theDisplay, gwind, vecGC, pt, NSEG+1, CoordModeOrigin); |
231 |
|
return; |
232 |
|
fail: |
233 |
|
fprintf(stderr, "%s: cannot draw source at (%f,%f,%f)\n", |
234 |
|
progname, dir[0], dir[1], dir[2]); |
235 |
+ |
} |
236 |
+ |
|
237 |
+ |
|
238 |
+ |
value(dir, v) /* print value on image */ |
239 |
+ |
FVECT dir; |
240 |
+ |
double v; |
241 |
+ |
{ |
242 |
+ |
FVECT pos; |
243 |
+ |
FVECT pp; |
244 |
+ |
int ip[2]; |
245 |
+ |
char buf[32]; |
246 |
+ |
|
247 |
+ |
pos[0] = ourview.vp[0] + dir[0]; |
248 |
+ |
pos[1] = ourview.vp[1] + dir[1]; |
249 |
+ |
pos[2] = ourview.vp[2] + dir[2]; |
250 |
+ |
viewloc(pp, &ourview, pos); |
251 |
+ |
if (pp[2] <= 0.0) |
252 |
+ |
return; |
253 |
+ |
loc2pix(ip, &pres, pp[0], pp[1]); |
254 |
+ |
sprintf(buf, "%.0f", v); |
255 |
+ |
XDrawImageString(theDisplay, gwind, strGC, |
256 |
+ |
ip[0], ip[1], buf, strlen(buf)); |
257 |
|
} |