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Fix some RGBA color bugs.

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This commit is contained in:
Kris Maglione 2010-06-20 15:59:27 -04:00
parent 683b3ed895
commit 262778dccc
3 changed files with 12 additions and 13 deletions
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4
alternative_wmiircs/python/pygmi/fs.py
View File

@ -486,10 +486,6 @@ class Button(object):
self._label = label
if colors is not None:
self._colors = colors
try:
unicode(self._label)
except:
print repr(self._label)
return ' '.join([Color(c).hex for c in self._colors or self.colors] + [unicode(self._label or '')])
colors = property(

17
lib/libstuff/x11/colors/parsecolor.c
View File

@ -6,7 +6,6 @@
ulong
pixelvalue(Window *w, Color *c) {
XColor xc;
ulong pixel;
if(w->visual->class != TrueColor) {
if(c->pixel != ~0UL)
@ -17,13 +16,15 @@ pixelvalue(Window *w, Color *c) {
XAllocColor(display, w->colormap, &xc);
return c->pixel = xc.pixel;
}
pixel = ((ulong)(c->alpha&0xff00) << 16)
| ((ulong)(c->red&0xff00) << 8)
| ((ulong)(c->green&0xff00) << 0)
| ((ulong)(c->blue&0xff00) >> 8);
if(w->depth < 32)
pixel |= 0xffUL << 24;
return pixel;
if(w->depth == 32 || c->alpha == 0)
return (((ulong)c->alpha & 0xff00) << 16)
| (((ulong)c->red & 0xff00) << 8)
| (((ulong)c->green & 0xff00) << 0)
| (((ulong)c->blue & 0xff00) >> 8);
else
return ((ulong)c->red * 0xffff / c->alpha & 0xff00) << 8
| ((ulong)c->green * 0xffff / c->alpha & 0xff00) << 0
| ((ulong)c->blue * 0xffff / c->alpha & 0xff00) >> 8;
}
bool

4
lib/libstuff/x11/initdisplay.c
View File

@ -22,10 +22,12 @@ static int
Lfmt(Fmt *f) {
Color c;
#define fix(c, m) (ushort)((c.alpha ? ((ulong)c.m * 0xffff) / c.alpha : 0) >> 8)
c = va_arg(f->args, Color);
return fmtprint(f, c.alpha < 0xff00 ? "rgba:%02uhx/%02uhx/%02uhx/%02uhx"
: "#%02uhx%02uhx%02uhx",
c.red >> 8, c.green >> 8, c.blue >> 8, c.alpha >> 8);
fix(c, red), fix(c, green), fix(c, blue), c.alpha >> 8);
#undef fix
}
static int