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#include "color.h" |
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#include "driver.h" |
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#include "x11twind.h" |
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#include "x11icon.h" |
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|
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#define GAMMA 2.2 /* exponent for color correction */ |
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|
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static XEvent currentevent; /* current event */ |
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|
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static int ncolors = 0; /* color table size */ |
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static int *pixval = NULL; /* allocated pixels */ |
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static unsigned long *pixval = NULL; /* allocated pixels */ |
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|
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static Display *ourdisplay = NULL; /* our display */ |
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|
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|
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static Colormap ourmap = 0; /* our color map */ |
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|
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extern char *malloc(); |
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extern char *malloc(), *getcombuf(); |
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|
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int x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
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static int x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
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x11_getcur(), x11_comout(), x11_comin(), x11_flush(); |
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|
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static struct driver x11_driver = { |
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XVisualInfo ourvinfo; |
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XSetWindowAttributes ourwinattr; |
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XWMHints ourxwmhints; |
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XSizeHints oursizhints; |
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|
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ourdisplay = XOpenDisplay(NULL); |
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if (ourdisplay == NULL) { |
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} else if (nplanes <= 12) { |
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if (!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,PseudoColor,&ourvinfo)) { |
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stderr_v("PseudoColor not supported\n"); |
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stderr_v("PseudoColor server required\n"); |
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return(NULL); |
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} |
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} else if (!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,TrueColor,&ourvinfo)) { |
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stderr_v("TrueColor not supported\n"); |
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nplanes,TrueColor,&ourvinfo) && |
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/* kludge for DirectColor */ |
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!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,DirectColor,&ourvinfo)) { |
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stderr_v("TrueColor server required\n"); |
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return(NULL); |
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} |
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ourvisual = ourvinfo.visual; |
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make_gmap(GAMMA); |
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/* open window */ |
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ourwinattr.background_pixel = ourwhite; |
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ourwinattr.background_pixel = ourblack; |
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ourwinattr.border_pixel = ourblack; |
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gwind = XCreateWindow(ourdisplay, ourroot, 0, 0, |
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DisplayWidth(ourdisplay,ourscreen)-2*BORWIDTH, |
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/* create a cursor */ |
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pickcursor = XCreateFontCursor(ourdisplay, XC_diamond_cross); |
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ourgc = XCreateGC(ourdisplay, gwind, 0, NULL); |
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ourxwmhints.flags = InputHint; |
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ourxwmhints.flags = InputHint|IconPixmapHint; |
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ourxwmhints.input = True; |
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ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, |
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gwind, x11icon_bits, x11icon_width, x11icon_height); |
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XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
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oursizhints.min_width = MINWIDTH; |
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oursizhints.min_height = MINHEIGHT+COMHEIGHT; |
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oursizhints.flags = PMinSize; |
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XSetNormalHints(ourdisplay, gwind, &oursizhints); |
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XSelectInput(ourdisplay, gwind, ExposureMask); |
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XMapWindow(ourdisplay, gwind); |
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XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XExposeEvent)); |
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XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XEvent)); |
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gwidth = levptr(XExposeEvent)->width; |
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gheight = levptr(XExposeEvent)->height - COMHEIGHT; |
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x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
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x11_clear(xres, yres) /* clear our display */ |
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int xres, yres; |
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{ |
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if (xres != gwidth || yres != gheight) { /* change window */ |
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if (comline != NULL) |
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xt_close(comline); |
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/* check limits */ |
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if (xres < MINWIDTH) |
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xres = MINWIDTH; |
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if (yres < MINHEIGHT) |
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yres = MINHEIGHT; |
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/* resize window */ |
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if (xres != gwidth || yres != gheight) { |
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XSelectInput(ourdisplay, gwind, 0); |
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XResizeWindow(ourdisplay, gwind, xres, yres+COMHEIGHT); |
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comline = xt_open(ourdisplay, |
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DefaultGC(ourdisplay,ourscreen), |
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gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
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if (comline == NULL) { |
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stderr_v("Cannot open command line window\n"); |
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quit(1); |
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} |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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gwidth = xres; |
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gheight = yres; |
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XFlush(ourdisplay); |
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XSync(ourdisplay, 1); /* discard input */ |
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} |
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XClearWindow(ourdisplay, gwind); |
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if (ourvisual->class == PseudoColor) /* reinitialize color table */ |
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/* reinitialize color table */ |
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if (ourvisual->class == PseudoColor) |
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if (getpixels() == 0) |
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stderr_v("cannot allocate colors\n"); |
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else |
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new_ctab(ncolors); |
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|
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/* get new command line */ |
207 |
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if (comline != NULL) |
208 |
> |
xt_close(comline); |
209 |
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comline = xt_open(ourdisplay, |
210 |
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DefaultGC(ourdisplay,ourscreen), |
211 |
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gwind, 0, gheight, gwidth, COMHEIGHT, 0, COMFN); |
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if (comline == NULL) { |
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stderr_v("Cannot open command line window\n"); |
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quit(1); |
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} |
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XSelectInput(ourdisplay, comline->w, ExposureMask); |
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/* remove earmuffs */ |
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XSelectInput(ourdisplay, gwind, |
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StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask); |
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} |
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|
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if (ncolors > 0) |
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pixel = pixval[get_pixel(col, xnewcolr)]; |
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else if (ourvisual->class == TrueColor) |
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else if (ourvisual->class != PseudoColor) |
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pixel = true_pixel(col); |
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else |
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return; |
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x11_comin(inp, prompt) /* read in a command line */ |
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char *inp, *prompt; |
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{ |
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int x11_getc(), x11_comout(); |
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extern int x11_getc(); |
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|
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if (prompt != NULL) |
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if (fromcombuf(inp, &x11_driver)) |
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static int |
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getpixels() /* get the color map */ |
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{ |
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XColor thiscolor; |
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register int i, j; |
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|
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if (ncolors > 0) |
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return(ncolors); |
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goto donecolors; |
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if (ourvisual == DefaultVisual(ourdisplay,ourscreen)) { |
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ourmap = DefaultColormap(ourdisplay,ourscreen); |
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goto loop; |
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for (ncolors = ourvisual->map_entries; |
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ncolors > ourvisual->map_entries/3; |
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ncolors = ncolors*.937) { |
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< |
pixval = (int *)malloc(ncolors*sizeof(int)); |
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> |
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long)); |
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if (pixval == NULL) |
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return(ncolors = 0); |
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if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0, |
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else |
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return(ncolors = 0); /* failed */ |
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} |
372 |
< |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) { |
373 |
< |
XColor thiscolor; |
352 |
< |
register int i, j; |
353 |
< |
/* reset black and white */ |
354 |
< |
for (i = 0; i < ncolors; i++) { |
372 |
> |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
373 |
> |
for (i = 0; i < ncolors; i++) { /* reset black and white */ |
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if (pixval[i] != ourblack && pixval[i] != ourwhite) |
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continue; |
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thiscolor.pixel = pixval[i]; |
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ncolors--; |
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i--; |
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} |
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– |
} |
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XSetWindowColormap(ourdisplay, gwind, ourmap); |
388 |
+ |
donecolors: |
389 |
+ |
#ifdef DEBUG |
390 |
+ |
thiscolor.flags = DoRed|DoGreen|DoBlue; |
391 |
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thiscolor.red = thiscolor.green = thiscolor.blue = 0; |
392 |
+ |
for (i = 0; i < ncolors; i++) { |
393 |
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thiscolor.pixel = pixval[i]; |
394 |
+ |
XStoreColor(ourdisplay, ourmap, &thiscolor); |
395 |
+ |
} |
396 |
+ |
#endif |
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return(ncolors); |
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} |
399 |
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