transmission/macosx/CTGradient/CTGradientAdditions.m

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/******************************************************************************
* $Id$
*
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* Copyright (c) 2007-2008 Transmission authors and contributors
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*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "CTGradientAdditions.h"
@implementation CTGradient (ProgressBar)
+ (CTGradient *) progressGradientForRed: (float) redComponent green: (float) greenComponent blue: (float) blueComponent
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{
CTGradientElement color1;
color1.red = redComponent;
color1.green = greenComponent;
color1.blue = blueComponent;
color1.alpha = 1.0;
color1.position = 0.0;
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CTGradientElement color2;
color2.red = redComponent * 0.95;
color2.green = greenComponent * 0.95;
color2.blue = blueComponent * 0.95;
color2.alpha = 1.0;
color2.position = 0.5;
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CTGradientElement color3;
color3.red = redComponent * 0.85;
color3.green = greenComponent * 0.85;
color3.blue = blueComponent * 0.85;
color3.alpha = 1.0;
color3.position = 0.5;
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CTGradientElement color4;
color4.red = redComponent;
color4.green = greenComponent;
color4.blue = blueComponent;
color4.alpha = 1.0;
color4.position = 1.0;
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CTGradient * newInstance = [[[self class] alloc] init];
[newInstance addElement: &color1];
[newInstance addElement: &color2];
[newInstance addElement: &color3];
[newInstance addElement: &color4];
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return [newInstance autorelease];
}
CTGradient * fProgressWhiteGradient = nil;
+ (CTGradient *)progressWhiteGradient
{
if (!fProgressWhiteGradient)
fProgressWhiteGradient = [[[self class] progressGradientForRed: 0.95 green: 0.95 blue: 0.95] retain];
return fProgressWhiteGradient;
}
CTGradient * fProgressGrayGradient = nil;
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+ (CTGradient *)progressGrayGradient
{
if (!fProgressGrayGradient)
fProgressGrayGradient = [[[self class] progressGradientForRed: 0.7 green: 0.7 blue: 0.7] retain];
return fProgressGrayGradient;
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}
CTGradient * fProgressLightGrayGradient = nil;
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+ (CTGradient *)progressLightGrayGradient
{
if (!fProgressLightGrayGradient)
fProgressLightGrayGradient = [[[self class] progressGradientForRed: 0.87 green: 0.87 blue: 0.87] retain];
return fProgressLightGrayGradient;
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}
CTGradient * fProgressBlueGradient = nil;
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+ (CTGradient *)progressBlueGradient
{
if (!fProgressBlueGradient)
fProgressBlueGradient = [[[self class] progressGradientForRed: 0.35 green: 0.67 blue: 0.98] retain];
return fProgressBlueGradient;
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}
CTGradient * fProgressDarkBlueGradient = nil;
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+ (CTGradient *)progressDarkBlueGradient
{
if (!fProgressDarkBlueGradient)
fProgressDarkBlueGradient = [[[self class] progressGradientForRed: 0.616 green: 0.722 blue: 0.776] retain];
return fProgressDarkBlueGradient;
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}
CTGradient * fProgressGreenGradient = nil;
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+ (CTGradient *)progressGreenGradient
{
if (!fProgressGreenGradient)
fProgressGreenGradient = [[[self class] progressGradientForRed: 0.44 green: 0.89 blue: 0.40] retain];
return fProgressGreenGradient;
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}
CTGradient * fProgressLightGreenGradient = nil;
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+ (CTGradient *)progressLightGreenGradient
{
if (!fProgressLightGreenGradient)
fProgressLightGreenGradient = [[[self class] progressGradientForRed: 0.62 green: 0.99 blue: 0.58] retain];
return fProgressLightGreenGradient;
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}
CTGradient * fProgressDarkGreenGradient = nil;
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+ (CTGradient *)progressDarkGreenGradient
{
if (!fProgressDarkGreenGradient)
fProgressDarkGreenGradient = [[[self class] progressGradientForRed: 0.627 green: 0.714 blue: 0.639] retain];
return fProgressDarkGreenGradient;
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}
CTGradient * fProgressRedGradient = nil;
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+ (CTGradient *)progressRedGradient
{
if (!fProgressRedGradient)
fProgressRedGradient = [[[self class] progressGradientForRed: 0.902 green: 0.439 blue: 0.451] retain];
return fProgressRedGradient;
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}
CTGradient * fProgressYellowGradient = nil;
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+ (CTGradient *)progressYellowGradient
{
if (!fProgressYellowGradient)
fProgressYellowGradient = [[[self class] progressGradientForRed: 0.933 green: 0.890 blue: 0.243] retain];
return fProgressYellowGradient;
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}
@end