/******************************************************************************
 * $Id$
 * 
 * Copyright (c) 2007-2008 Transmission authors and contributors
 *
 * 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 *)progressWhiteGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = color1.green = color1.blue  = 0.95;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = color2.green = color2.blue  = 0.83;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = color3.green = color3.blue  = 0.95;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = color4.green = color4.blue  = 0.92;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressGrayGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = color1.green = color1.blue  = 0.7;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = color2.green = color2.blue  = 0.6;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = color3.green = color3.blue  = 0.7;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = color4.green = color4.blue  = 0.7;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressLightGrayGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = color1.green = color1.blue  = 0.87;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = color2.green = color2.blue  = 0.754;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = color3.green = color3.blue  = 0.87;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = color4.green = color4.blue  = 0.87;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressBlueGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.416;
    color1.green = 0.788;
    color1.blue  = 0.97;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.274;
    color2.green = 0.52;
    color2.blue  = 0.94;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.372;
    color3.green = 0.635;
    color3.blue  = 0.98;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.396;
    color4.green = 0.66;
    color4.blue  = 1.00;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressDarkBlueGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.616;
    color1.green = 0.722;
    color1.blue  = 0.776;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.525;
    color2.green = 0.631;
    color2.blue  = 0.737;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.651;
    color3.green = 0.725;
    color3.blue  = 0.804;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.659;
    color4.green = 0.733;
    color4.blue  = 0.800;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressGreenGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.270;
    color1.green = 0.89;
    color1.blue  = 0.35;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.180;
    color2.green = 0.71;
    color2.blue  = 0.23;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.420;
    color3.green = 0.86;
    color3.blue  = 0.32;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.466;
    color4.green = 0.89;
    color4.blue  = 0.34;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressLightGreenGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.522;
    color1.green = 0.894;
    color1.blue  = 0.565;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.373;
    color2.green = 0.780;
    color2.blue  = 0.408;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.659;
    color3.green = 0.918;
    color3.blue  = 0.604;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.678;
    color4.green = 0.929;
    color4.blue  = 0.608;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressDarkGreenGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.627;
    color1.green = 0.714;
    color1.blue  = 0.639;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.545;
    color2.green = 0.635;
    color2.blue  = 0.561;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.690;
    color3.green = 0.745;
    color3.blue  = 0.675;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.694;
    color4.green = 0.741;
    color4.blue  = 0.678;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

+ (CTGradient *)progressRedGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
	CTGradientElement color1;
    color1.red = 0.9;
	color1.green = color1.blue  = 0.5;
    color1.alpha = 1.00;
    color1.position = 0;
    
    CTGradientElement color2;
    color2.red = 0.9;
	color2.green = color2.blue  = 0.4;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.9;
	color3.green = color3.blue  = 0.5;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.9;
	color4.green = color4.blue  = 0.5;
    color4.alpha = 1.00;
    color4.position = 1;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];

}

+ (CTGradient *)progressYellowGradient
{
    CTGradient *newInstance = [[[self class] alloc] init];
    
    CTGradientElement color1;
    color1.red = 0.933;
    color1.green = 0.831;
    color1.blue  = 0.227;
    color1.alpha = 1.00;
    color1.position = 1;
    
    CTGradientElement color2;
    color2.red = 0.965;
    color2.green = 0.737;
    color2.blue  = 0.086;
    color2.alpha = 1.00;
    color2.position = 0.5;
    
    CTGradientElement color3;
    color3.red = 0.965;
    color3.green = 0.831;
    color3.blue  = 0.169;
    color3.alpha = 1.00;
    color3.position = 0.5;
    
    CTGradientElement color4;
    color4.red = 0.965;
    color4.green = 0.831;
    color4.blue  = 0.169;
    color4.alpha = 1.00;
    color4.position = 0;
    
    [newInstance addElement:&color1];
    [newInstance addElement:&color2];
    [newInstance addElement:&color3];
    [newInstance addElement:&color4];
    
    return [newInstance autorelease];
}

@end