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2014/10/15 ¤U¤È 10:05:02

iphone Programming Glossary: cgcontextsetshouldantialias

Any quick and dirty anti-aliasing techniques for a rotated UIImageView?

http://stackoverflow.com/questions/1136110/any-quick-and-dirty-anti-aliasing-techniques-for-a-rotated-uiimageview

Convert image to grayscale

http://stackoverflow.com/questions/1298867/convert-image-to-grayscale

kCGBitmapByteOrder32Little kCGImageAlphaNoneSkipLast CGContextSetInterpolationQuality context kCGInterpolationHigh CGContextSetShouldAntialias context NO CGContextDrawImage context CGRectMake 0 0 m_width m_height i CGImage CGContextRelease context CGColorSpaceRelease..

Smoothing a rounded stroke in Core Graphics

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

c UAColor colorWithWhite 0.7 alpha 1 CGColor CGContextSetLineWidth c 2 CGContextSetAllowsAntialiasing c YES CGContextSetShouldAntialias c YES CGFloat minx CGRectGetMinX rect midx CGRectGetMidX rect maxx CGRectGetMaxX rect CGFloat miny CGRectGetMinY rect maxy..

iPhone - Jagged Edges when applying perspective to CALayer

http://stackoverflow.com/questions/2701783/iphone-jagged-edges-when-applying-perspective-to-calayer

one pixel transparent border outside of the core content using the code CGContextSetAllowsAntialiasing theContext true CGContextSetShouldAntialias theContext true within your Quartz drawing for that layer. There's also the edgeAntialiasingMask property on CALayer but..

Load image from photo library

http://stackoverflow.com/questions/3333652/load-image-from-photo-library

8 originalImage.size.width colorSapce kCGImageAlphaNone CGContextSetInterpolationQuality context kCGInterpolationHigh CGContextSetShouldAntialias context NO CGContextDrawImage context CGRectMake 0 0 originalImage.size.width originalImage.size.height originalImage CGImage..

want to add manual erasing option in ipad painting application by quartz

http://stackoverflow.com/questions/3863931/want-to-add-manual-erasing-option-in-ipad-painting-application-by-quartz

img .CGColor CGContextSetFillColorWithColor UIGraphicsGetCurrentContext UIColor clearColor .CGColor CGContextSetShouldAntialias UIGraphicsGetCurrentContext YES CGContextBeginPath UIGraphicsGetCurrentContext here img is ur background image then on move..

Drawing in CATiledLayer with CoreGraphics CGContextDrawImage

http://stackoverflow.com/questions/4067512/drawing-in-catiledlayer-with-coregraphics-cgcontextdrawimage

CGColor CGContextSelectFont context Courier 128 kCGEncodingMacRoman CGContextSetTextDrawingMode context kCGTextFill CGContextSetShouldAntialias context true char text 30 int length sprintf text row d col d row col CGContextSaveGState context CGContextShowTextAtPoint..

Rotate image in UIImageView

http://stackoverflow.com/questions/7191492/rotate-image-in-uiimageview

8 0 colorSpace kCGImageAlphaPremultipliedFirst CGContextSetAllowsAntialiasing bmContext YES CGContextSetShouldAntialias bmContext YES CGContextSetInterpolationQuality bmContext kCGInterpolationHigh CGColorSpaceRelease colorSpace CGContextTranslateCTM..

How to crop the image in iPhone

http://stackoverflow.com/questions/7950719/how-to-crop-the-image-in-iphone

kCGBitmapByteOrder32Little kCGImageAlphaNoneSkipLast CGContextSetInterpolationQuality context kCGInterpolationHigh CGContextSetShouldAntialias context NO CGContextTranslateCTM context 0 m_hint CGContextScaleCTM context 1.0 1.0 switch img.imageOrientation case UIImageOrientationRight..