Consider a window presented as a sheet with background transparency.
- (void)windowDidLoad
{
// Produces gray background with transparency.
NSColor *color = [NSColor colorWithRed:0.5 green:0.5 blue:0.5 alpha:0.9];
self.window.backgroundColor = color;
}
- (void)windowDidLoad
{
// Produces near white background with no transparency.
NSColor *color = [NSColor colorWithRed:0.6 green:0.6 blue:0.6 alpha:0.9];
self.window.backgroundColor = color;
}
The first case produces a background with transparency.
The second case produces a background with no transparency.
Why does’t the second case yield any transparency?
--Richard Charles
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