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[GSPatternColor colorSpaceName] uses NSPatternColorSpace.

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Corrected [blendedColorWithFraction:ofColor:], where self and aColor
where exchanged and alpha handling was missing.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@16541 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
FredKiefer 2003-04-25 22:54:12 +00:00
parent 9310a019ef
commit 32f6a28f96
1 changed files with 19 additions and 9 deletions
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28
Source/NSColor.m
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@ -941,22 +941,33 @@ systemColorWithName(NSString *name)
{ {
NSColor *myColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace]; NSColor *myColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
NSColor *other = [aColor colorUsingColorSpaceName: NSCalibratedRGBColorSpace]; NSColor *other = [aColor colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
float mr, mg, mb, or, og, ob, red, green, blue; float mr, mg, mb, ma, or, og, ob, oa, red, green, blue, alpha;
if (fraction <= 0.0)
{
return self;
}
if (fraction >= 1.0)
{
return aColor;
}
if (myColor == nil || other == nil) if (myColor == nil || other == nil)
{ {
return nil; return nil;
} }
[myColor getRed: &mr green: &mg blue: &mb alpha: 0]; [myColor getRed: &mr green: &mg blue: &mb alpha: &ma];
[other getRed: &or green: &og blue: &ob alpha: 0]; [other getRed: &or green: &og blue: &ob alpha: &oa];
red = fraction * mr + (1 - fraction) * or; red = fraction * or + (1 - fraction) * mr;
green = fraction * mg + (1 - fraction) * og; green = fraction * og + (1 - fraction) * mg;
blue = fraction * mb + (1 - fraction) * ob; blue = fraction * ob + (1 - fraction) * mb;
alpha = fraction * oa + (1 - fraction) * ma;
return [NSColorClass colorWithCalibratedRed: red return [NSColorClass colorWithCalibratedRed: red
green: green green: green
blue: blue blue: blue
alpha: 1.0]; alpha: alpha];
} }
- (NSColor*) colorWithAlphaComponent: (float)alpha - (NSColor*) colorWithAlphaComponent: (float)alpha
@ -2437,8 +2448,7 @@ systemColorWithName(NSString *name)
- (NSString *)colorSpaceName - (NSString *)colorSpaceName
{ {
// return NSPatternImageColorSpace; return NSPatternColorSpace;
return nil;
} }
- (NSImage*) patternImage - (NSImage*) patternImage