void RrColorAllocateGC(RrColor *in)
{
XGCValues gcv;
gcv.foreground = in->pixel;
gcv.cap_style = CapProjecting;
in->gc = XCreateGC(RrDisplay(in->inst),
RrRootWindow(in->inst),
GCForeground | GCCapStyle, &gcv);
}
RrColor *RrColorParse(const RrInstance *inst, gchar *colorname)
{
XColor xcol;
g_assert(colorname != NULL);
/* get rgb values from colorname */
xcol.red = 0;
xcol.green = 0;
xcol.blue = 0;
xcol.pixel = 0;
if (!XParseColor(RrDisplay(inst), RrColormap(inst), colorname, &xcol)) {
g_message("Unable to parse color '%s'", colorname);
return NULL;
}
return RrColorNew(inst, xcol.red >> 8, xcol.green >> 8, xcol.blue >> 8);
}
RrColor *RrColorNew(const RrInstance *inst, gint r, gint g, gint b)
{
/* this should be replaced with something far cooler */
RrColor *out = NULL;
XColor xcol;
gint key;
g_assert(r >= 0 && r < 256);
g_assert(g >= 0 && g < 256);
g_assert(b >= 0 && b < 256);
key = (r << 24) + (g << 16) + (b << 8);
#ifndef NO_COLOR_CACHE
if ((out = g_hash_table_lookup(RrColorHash(inst), &key))) {
out->refcount++;
} else {
#endif
xcol.red = (r << 8) | r;
xcol.green = (g << 8) | g;
xcol.blue = (b << 8) | b;
if (XAllocColor(RrDisplay(inst), RrColormap(inst), &xcol)) {
out = g_slice_new(RrColor);
out->inst = inst;
out->r = xcol.red >> 8;
out->g = xcol.green >> 8;
out->b = xcol.blue >> 8;
out->gc = None;
out->pixel = xcol.pixel;
out->key = key;
out->refcount = 1;
#ifdef DEBUG
out->id = id++;
#endif
#ifndef NO_COLOR_CACHE
g_hash_table_insert(RrColorHash(inst), &out->key, out);
}
#endif
}
static void theme_pixmap_paint(RrAppearance *a, gint w, gint h)
{
Pixmap out = RrPaintPixmap(a, w, h);
if (out) XFreePixmap(RrDisplay(a->inst), out);
}
