2014/10/15 下午 10:05:03

iphone Programming Glossary: cggradientref

http://stackoverflow.com/questions/10084606/how-to-highlight-a-uibutton-subclass

NSArray arrayWithObjects id darkRed.CGColor id lightRed.CGColor nil CGFloat redGradientLocations 0 1 CGGradientRef redGradient CGGradientCreateWithColors colorSpace __bridge CFArrayRef redGradientColors redGradientLocations Shadow Declarations..

Drawing rotated text with NSString drawInRect

http://stackoverflow.com/questions/10289898/drawing-rotated-text-with-nsstring-drawinrect

alpha 1.0 .CGColor NSArray colors NSArray arrayWithObjects id startColor id endColor nil CGFloat locations 0.0 1.0 CGGradientRef gradient CGGradientCreateWithColors colorSpace CFArrayRef colors locations CGContextDrawLinearGradient context gradient..

How do I add a gradient to the text of a UILabel, but not the background?

http://stackoverflow.com/questions/1266179/how-do-i-add-a-gradient-to-the-text-of-a-uilabel-but-not-the-background

0.0f round 20.0f 4.0f CGContextShowText context self.text UTF8String strlen self.text UTF8String CGContextClip context CGGradientRef gradient CGColorSpaceRef rgbColorspace size_t num_locations 2 CGFloat locations 2 0.0 1.0 CGFloat components 8 1.0 1.0 1.0..

How to draw a gradient line (fading in/out) with Core Graphics/iPhone?

http://stackoverflow.com/questions/1303855/how-to-draw-a-gradient-line-fading-in-out-with-core-graphics-iphone

size_t num_locations 2 CGFloat locations 2 1.0 0.0 CGFloat components 8 0.0 0.0 0.0 1.0 1.0 1.0 1.0 1.0 CGGradientRef myGradient CGGradientCreateWithColorComponents myColorspace components locations num_locations CGPoint myStartPoint myEndPoint..

UINavigationBar gradient details

http://stackoverflow.com/questions/1852319/uinavigationbar-gradient-details

2 0.0 1.0 CGColorSpaceRef myColorspace CGColorSpaceCreateDeviceRGB CGFloat topComponents 8 LIGHT_COLOR_COMPONENTS CGGradientRef topGradient CGGradientCreateWithColorComponents myColorspace topComponents locations 2 CGContextDrawLinearGradient context.. 0 CGPointMake 0 self.frame.size.height 2 0 CGGradientRelease topGradient CGFloat botComponents 8 MAIN_COLOR_COMPONENTS CGGradientRef botGradient CGGradientCreateWithColorComponents myColorspace botComponents locations 2 CGContextDrawLinearGradient context..

Applying background gradient to a Grouple table cell

http://stackoverflow.com/questions/1979165/applying-background-gradient-to-a-grouple-table-cell

is there a completely different way of doing this void drawRect CGRect rect CGContextRef c UIGraphicsGetCurrentContext CGGradientRef myGradient CGColorSpaceRef myColorspace size_t num_locations 2 CGFloat locations 2 0.0 1.0 CGFloat components 8 0.8f 0.8f..

Smoothing a rounded stroke in Core Graphics

http://stackoverflow.com/questions/2181279/smoothing-a-rounded-stroke-in-core-graphics

generate the cell CGContextRef c UIGraphicsGetCurrentContext CGColorSpaceRef myColorspace CGColorSpaceCreateDeviceRGB CGGradientRef myGradient nil CGFloat components 8 TABLE_CELL_BACKGROUND CGContextSetStrokeColorWithColor c UAColor colorWithWhite 0.7..

UIView border with fade or blur effect

http://stackoverflow.com/questions/2306043/uiview-border-with-fade-or-blur-effect

NULL 320 480 8 0 colorSpace kCGImageAlphaPremultipliedLast CGFloat colors 0.5 0.5 0.5 0.0 BLACK 0.0 0.0 0.0 1.0 BLACK CGGradientRef gradient CGGradientCreateWithColorComponents colorSpace colors NULL sizeof colors sizeof colors 0 4 CGColorSpaceRelease..

CGGradient in an CGPath

http://stackoverflow.com/questions/2563303/cggradient-in-an-cgpath

colors sizeof colors sizeof CGColorRef kCFTypeArrayCallBacks CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGGradientRef gradient CGGradientCreateWithColors colorSpace colorsArr NULL CFRelease colorSpace CFRelease colorsArr Draw a linear gradient..

How to fill a path with gradient in drawRect:?

http://stackoverflow.com/questions/2985359/how-to-fill-a-path-with-gradient-in-drawrect

white to red CGFloat colors 1.0 1.0 1.0 1.0 1.0 0.0 0.0 1.0 CGColorSpaceRef baseSpace CGColorSpaceCreateDeviceRGB CGGradientRef gradient CGGradientCreateWithColorComponents baseSpace colors NULL 2 CGColorSpaceRelease baseSpace baseSpace NULL CGContextRef..

How to get UILabel (UITextView) auto adjusted font size?

http://stackoverflow.com/questions/3669844/how-to-get-uilabel-uitextview-auto-adjusted-font-size

am not able to get proper size of the adjusted font...Is it even possible draw gradient CGContextSaveGState myContext CGGradientRef glossGradient CGColorSpaceRef rgbColorspace size_t num_locations 2 CGFloat locations 2 0.0 1.0 CGFloat components 8 1 1..

Change background color of UIButton when Highlighted

http://stackoverflow.com/questions/4022763/change-background-color-of-uibutton-when-highlighted

0 bottomGradientColorComponents 1 bottomGradientColorComponents 2 bottomGradientColorComponents 3 CGGradientRef gradient CGGradientCreateWithColorComponents rgb colors NULL sizeof colors sizeof colors 0 4 CGColorSpaceRelease rgb CGContextDrawLinearGradient..

Gradient effect for Line Graph in iPhone

http://stackoverflow.com/questions/4835515/gradient-effect-for-line-graph-in-iphone

sizeof colorRef sizeof CGColorRef kCFTypeArrayCallBacks CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGGradientRef gradient CGGradientCreateWithColors colorSpace colors NULL CFRelease colorSpace CFRelease colors Draw a linear gradient..

iPhone Glossy Icons Using Core Graphics

http://stackoverflow.com/questions/5541457/iphone-glossy-icons-using-core-graphics

CGContextRestoreGState context UIImage applyIconHighlightToImage UIImage icon UIImage newImage CGContextRef context CGGradientRef glossGradient CGColorSpaceRef rgbColorspace CGRect currentBounds CGRectMake 0 0 icon.size.width icon.size.height CGPoint..

How to render a radial gradient onto a new UIImage on an iphone

http://stackoverflow.com/questions/5617113/how-to-render-a-radial-gradient-onto-a-new-uiimage-on-an-iphone

Conceptual drawingwithquartz2d dq_shadings dq_shadings.html And it made me think i need to use CGShadingRef or CGGradientRef and use UIImage's 'imageWithCGImage' constructor to go from the CG to a UIImage... but i can't figure out how. Any suggestions..

How can I tint a UIImage with gradient?

http://stackoverflow.com/questions/8098130/how-can-i-tint-a-uiimage-with-gradient

NSArray arrayWithObjects id colorOne.CGColor id colorTwo.CGColor nil CGColorSpaceRef space CGColorSpaceCreateDeviceRGB CGGradientRef gradient CGGradientCreateWithColors space __bridge CFArrayRef colors NULL Apply gradient CGContextClipToMask context rect.. NSArray arrayWithObjects id colorOne.CGColor id colorTwo.CGColor nil CGColorSpaceRef space CGColorSpaceCreateDeviceRGB CGGradientRef gradient CGGradientCreateWithColors space CFArrayRef colors NULL Apply gradient CGContextClipToMask context rect image.CGImage..

Make Background of UIView a Gradient Without Sub Classing

http://stackoverflow.com/questions/844710/make-background-of-uiview-a-gradient-without-sub-classing

allocate myGradient CGFloat locationList 0.0f 1.0f CGFloat colorList 0.0f 0.0f 0.0f 1.0f 0.0f 0.0f 0.0f 0.0f CGGradientRef myGradient CGGradientCreateWithColorComponents colorSpace colorList locationList 2 Draw Gradient Here CGContextDrawLinearGradient..