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// TWGradientView.h
// TWToolkit
// Created by Sam Soffes on 10/27/09.
// Copyright 2009 Tasteful Works, Inc. All rights reserved.
// Greatly inspired by BWGradientBox.
// Known bugs:
// * startColor and endColor must be in the same colorspace. The colorspace
// of the first color is used to draw the gradient. If you did a gradient
// from white to blue, it would look like a gradient from white to black
// because the first color, white, is in the gray color space, not the RGB
// color space. If you did it from blue to white, it would look like blue
// to black because white in the gray colorspace isn't a valid color in
// the RGB colorspace (because there are only 2 components in the gray
// colorspace and 4 in the RGB colorspace). Automatic colorspace
// conversions are planned for the future.
@interface TWGradientView : UIView {
UIColor *_topColor;
UIColor *_bottomColor;
UIColor *_topBorderColor;
UIColor *_bottomBorderColor;
CGFloat _topInsetAlpha;
CGFloat _bottomInsetAlpha;
BOOL _hasTopBorder;
BOOL _hasBottomBorder;
BOOL _showsInsets;
BOOL _hasDrawn;
CGGradientRef _gradient;
@property (nonatomic, retain) UIColor *topColor;
@property (nonatomic, retain) UIColor *bottomColor;
@property (nonatomic, retain) UIColor *topBorderColor;
@property (nonatomic, retain) UIColor *bottomBorderColor;
@property (nonatomic, assign) CGFloat topInsetAlpha;
@property (nonatomic, assign) CGFloat bottomInsetAlpha;
@property (nonatomic, assign) BOOL hasTopBorder;
@property (nonatomic, assign) BOOL hasBottomBorder;
@property (nonatomic, assign) BOOL showsInsets;
+ (UIColor *)defaultTopColor;
+ (UIColor *)defaultBottomColor;
+ (UIColor *)defaultTopBorderColor;
+ (UIColor *)defaultBottomBorderColor;
+ (CGFloat)defaultTopInsetAlpha;
+ (CGFloat)defaultBottomInsetAlpha;