static void getvisual(void)
{
if (!(scr = LockPubScreen(0)))
{
cleanup("Can't lock pub screen!");
}
if (!(dri = GetScreenDrawInfo(scr)))
{
cleanup("Can't get screen drawinfo!");
}
vp = &scr->ViewPort;
cm = vp->ColorMap;
pen1 = ObtainPen(cm, -1, 0, 0, 0, PENF_EXCLUSIVE);
pen2 = ObtainPen(cm, -1, 0, 0, 0, PENF_EXCLUSIVE);
pens[0] = pen1;
pens[1] = pen2;
if ((pen1 == -1) || (pen2 == -1)) cleanup("Can't obtain 2 pens!");
if (GetBitMapAttr(scr->RastPort.BitMap, BMA_DEPTH) >= 15) truecolor = TRUE;
}
IPTR Colorfield__MUIM_Setup(struct IClass *cl, Object *obj, struct MUIP_Setup *msg)
{
struct Colorfield_DATA *data = INST_DATA(cl,obj);
if (!(DoSuperMethodA(cl, obj, (Msg)msg))) return 0;
if (data->flags & FLAG_FIXED_PEN)
{
SetRGB32(&_screen(obj)->ViewPort,
data->pen,
data->rgb[0],
data->rgb[1],
data->rgb[2]);
}
else
{
LONG pen;
pen = ObtainPen(_screen(obj)->ViewPort.ColorMap,
(ULONG)-1,
data->rgb[0],
data->rgb[1],
data->rgb[2],
PENF_EXCLUSIVE);
if (pen == -1)
{
data->flags |= FLAG_NO_PEN;
data->pen = 0;
}
else
{
data->pen = (UBYTE)pen;
data->flags |= FLAG_PEN_ALLOCATED;
}
}
return 1;
}
