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9530195 Adding UKBorderlessWidgetizedWindow (initial checkin).
uli authored
1 //
2 // NSColor+UKBrightenDarken.m
3 // UKBorderlessWidgetizedWindow
4 //
5 // Created by Uli Kusterer on 27.10.09.
720b0e7 @uliwitness Added licensing information to the source files.
authored
6 // Copyright 2009 Uli Kusterer.
7 //
8 // This software is provided 'as-is', without any express or implied
9 // warranty. In no event will the authors be held liable for any damages
10 // arising from the use of this software.
11 //
12 // Permission is granted to anyone to use this software for any purpose,
13 // including commercial applications, and to alter it and redistribute it
14 // freely, subject to the following restrictions:
15 //
16 // 1. The origin of this software must not be misrepresented; you must not
17 // claim that you wrote the original software. If you use this software
18 // in a product, an acknowledgment in the product documentation would be
19 // appreciated but is not required.
20 //
21 // 2. Altered source versions must be plainly marked as such, and must not be
22 // misrepresented as being the original software.
23 //
24 // 3. This notice may not be removed or altered from any source
25 // distribution.
9530195 Adding UKBorderlessWidgetizedWindow (initial checkin).
uli authored
26 //
27
28 #import "NSColor+UKBrightenDarken.h"
29
30
31 @implementation NSColor (UKBrightenDarken)
32
33 -(NSColor*) brightenColorBy: (CGFloat)percentage
34 {
35 NSColor* hsbColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
36
37 return [NSColor colorWithCalibratedHue: [hsbColor hueComponent] saturation: [hsbColor saturationComponent]
38 brightness: [hsbColor brightnessComponent] +[hsbColor brightnessComponent] *percentage alpha: [hsbColor alphaComponent]];
39 }
40
41
42 -(NSColor*) darkenColorBy: (CGFloat)percentage
43 {
44 NSColor* hsbColor = [self colorUsingColorSpaceName: NSCalibratedRGBColorSpace];
45
46 return [NSColor colorWithCalibratedHue: [hsbColor hueComponent] saturation: [hsbColor saturationComponent]
47 brightness: [hsbColor brightnessComponent] -[hsbColor brightnessComponent] *percentage alpha: [hsbColor alphaComponent]];
48 }
49
50 @end
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