| 23 |
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#include "x11twind.h" |
| 24 |
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#include "x11icon.h" |
| 25 |
|
|
| 26 |
< |
#define GAMMA 2.2 /* exponent for color correction */ |
| 26 |
> |
#define GAMMA 2.2 /* default exponent correction */ |
| 27 |
|
|
| 28 |
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#define MINWIDTH (32*COMCW) /* minimum graphics window width */ |
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#define MINHEIGHT MINWIDTH /* minimum graphics window height */ |
| 44 |
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static XEvent currentevent; /* current event */ |
| 45 |
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|
| 46 |
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static int ncolors = 0; /* color table size */ |
| 47 |
+ |
static int mapped = 0; /* window is mapped? */ |
| 48 |
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static unsigned long *pixval = NULL; /* allocated pixels */ |
| 49 |
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static unsigned long ourblack=0, ourwhite=1; |
| 50 |
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|
| 83 |
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x11_init(name, id) /* initialize driver */ |
| 84 |
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char *name, *id; |
| 85 |
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{ |
| 86 |
+ |
extern char *getenv(); |
| 87 |
+ |
char *gv; |
| 88 |
|
int nplanes; |
| 89 |
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XSetWindowAttributes ourwinattr; |
| 90 |
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XWMHints ourxwmhints; |
| 120 |
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ourblack = BlackPixel(ourdisplay,ourscreen); |
| 121 |
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ourwhite = WhitePixel(ourdisplay,ourscreen); |
| 122 |
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} |
| 123 |
< |
make_gmap(GAMMA); |
| 124 |
< |
/* open window */ |
| 123 |
> |
/* set gamma */ |
| 124 |
> |
if ((gv = getenv("GAMMA")) != NULL) |
| 125 |
> |
make_gmap(atof(gv)); |
| 126 |
> |
else |
| 127 |
> |
make_gmap(GAMMA); |
| 128 |
> |
/* open window */ |
| 129 |
|
ourwinattr.background_pixel = ourblack; |
| 130 |
|
ourwinattr.border_pixel = ourblack; |
| 131 |
|
/* this is stupid */ |
| 140 |
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stderr_v("cannot create window\n"); |
| 141 |
|
return(NULL); |
| 142 |
|
} |
| 136 |
– |
XFreeColormap(ourdisplay, ourwinattr.colormap); |
| 143 |
|
XStoreName(ourdisplay, gwind, id); |
| 144 |
|
/* create a cursor */ |
| 145 |
|
pickcursor = XCreateFontCursor(ourdisplay, XC_diamond_cross); |
| 161 |
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x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
| 162 |
|
x11_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
| 163 |
|
x11_driver.inpready = 0; |
| 164 |
+ |
mapped = 1; |
| 165 |
|
cmdvec = x11_comout; /* set error vectors */ |
| 166 |
|
if (wrnvec != NULL) |
| 167 |
|
wrnvec = x11_errout; |
| 243 |
|
extern unsigned long true_pixel(); |
| 244 |
|
unsigned long pixel; |
| 245 |
|
|
| 246 |
+ |
if (!mapped) |
| 247 |
+ |
return; |
| 248 |
|
if (ncolors > 0) |
| 249 |
|
pixel = pixval[get_pixel(col, xnewcolr)]; |
| 241 |
– |
else if (ourvinfo.class == TrueColor || ourvinfo.class == DirectColor) |
| 242 |
– |
pixel = true_pixel(col); |
| 250 |
|
else |
| 251 |
< |
return; |
| 251 |
> |
pixel = true_pixel(col); |
| 252 |
|
XSetForeground(ourdisplay, ourgc, pixel); |
| 253 |
|
XFillRectangle(ourdisplay, gwind, |
| 254 |
|
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
| 371 |
|
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long)); |
| 372 |
|
if (pixval == NULL) |
| 373 |
|
return(ncolors = 0); |
| 374 |
< |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0, |
| 368 |
< |
pixval,ncolors) != 0) |
| 374 |
> |
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
| 375 |
|
break; |
| 376 |
|
free((char *)pixval); |
| 377 |
|
pixval = NULL; |
| 408 |
|
if (ncolors == 0) |
| 409 |
|
return; |
| 410 |
|
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
| 411 |
+ |
free((char *)pixval); |
| 412 |
+ |
pixval = NULL; |
| 413 |
|
ncolors = 0; |
| 414 |
|
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
| 415 |
|
XFreeColormap(ourdisplay, ourmap); |
| 453 |
|
resizewindow(levptr(XConfigureEvent)); |
| 454 |
|
break; |
| 455 |
|
case UnmapNotify: |
| 456 |
+ |
mapped = 0; |
| 457 |
|
freepixels(); |
| 458 |
|
break; |
| 459 |
|
case MapNotify: |
| 463 |
|
stderr_v("Cannot allocate colors\n"); |
| 464 |
|
else |
| 465 |
|
new_ctab(ncolors); |
| 466 |
+ |
mapped = 1; |
| 467 |
|
break; |
| 468 |
|
case Expose: |
| 469 |
|
fixwindow(levptr(XExposeEvent)); |