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Move common code to xloadcolor

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noname@inventati.org 2015-04-21 09:48:33 +02:00 committed by Roberto E. Vargas Caballero
parent 84c756b97e
commit 89807ed453
1 changed files with 29 additions and 53 deletions
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82
st.c
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@ -2898,10 +2898,31 @@ sixd_to_16bit(int x) {
return x == 0 ? 0 : 0x3737 + 0x2828 * x;
}
bool
xloadcolor(int i, const char *name, Color *ncolor) {
XRenderColor color = { .alpha = 0xffff };
if(!name) {
if(BETWEEN(i, 16, 255)) { /* 256 color */
if(i < 6*6*6+16) { /* same colors as xterm */
color.red = sixd_to_16bit( ((i-16)/36)%6 );
color.green = sixd_to_16bit( ((i-16)/6) %6 );
color.blue = sixd_to_16bit( ((i-16)/1) %6 );
} else { /* greyscale */
color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
color.green = color.blue = color.red;
}
return XftColorAllocValue(xw.dpy, xw.vis,
xw.cmap, &color, ncolor);
} else
name = colorname[i];
}
return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
}
void
xloadcols(void) {
int i;
XRenderColor color = { .alpha = 0xffff };
static bool loaded;
Color *cp;
@ -2910,70 +2931,25 @@ xloadcols(void) {
XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
}
/* load colors [0-15] and [256-LEN(colorname)] (config.h) */
for(i = 0; i < LEN(dc.col); i++) {
if(!colorname[i])
continue;
if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
die("Could not allocate color '%s'\n", colorname[i]);
for(i = 0; i < LEN(dc.col); i++)
if(!xloadcolor(i, NULL, &dc.col[i])) {
if(colorname[i])
die("Could not allocate color '%s'\n", colorname[i]);
else
die("Could not allocate color %d\n", i);
}
}
/* load colors [16-231] ; same colors as xterm */
for(i = 16; i < 6*6*6+16; i++) {
color.red = sixd_to_16bit( ((i-16)/36)%6 );
color.green = sixd_to_16bit( ((i-16)/6) %6 );
color.blue = sixd_to_16bit( ((i-16)/1) %6 );
if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
die("Could not allocate color %d\n", i);
}
/* load colors [232-255] ; grayscale */
for(; i < 256; i++) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
die("Could not allocate color %d\n", i);
}
loaded = true;
}
int
xsetcolorname(int x, const char *name) {
XRenderColor color = { .alpha = 0xffff };
Color ncolor;
if(!BETWEEN(x, 0, LEN(dc.col)))
return 1;
if(!name) {
if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
color.red = sixd_to_16bit( ((x-16)/36)%6 );
color.green = sixd_to_16bit( ((x-16)/6) %6 );
color.blue = sixd_to_16bit( ((x-16)/1) %6 );
if(!XftColorAllocValue(xw.dpy, xw.vis,
xw.cmap, &color, &ncolor)) {
return 1;
}
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
dc.col[x] = ncolor;
return 0;
} else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
color.red = color.green = color.blue = \
0x0808 + 0x0a0a * (x - (16 + 216));
if(!XftColorAllocValue(xw.dpy, xw.vis,
xw.cmap, &color, &ncolor)) {
return 1;
}
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
dc.col[x] = ncolor;
return 0;
} else { /* system colors */
name = colorname[x];
}
}
if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
if(!xloadcolor(x, name, &ncolor))
return 1;
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);