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2014/10/15 ¤U¤È 10:10:12

iphone Programming Glossary: imagewidth

How do I cache something for a tableview?

http://stackoverflow.com/questions/1371223/how-do-i-cache-something-for-a-tableview

objectAtIndex indexPath.section objectForKey @ MainImage imageHeight CGImageGetHeight theImage.CGImage imageWidth CGImageGetWidth theImage.CGImage if cell nil cell UITableViewCell alloc initWithStyle UITableViewCellStyleDefault reuseIdentifier.. reuseIdentifier CellIdentifier autorelease photo UIImageView alloc initWithFrame CGRectMake 0 0 imageWidth imageHeight autorelease photo.tag PHOTO_TAG cell addSubview photo else photo UIImageView cell viewWithTag PHOTO_TAG photo.. PHOTO_TAG cell addSubview photo else photo UIImageView cell viewWithTag PHOTO_TAG photo setFrame CGRectMake 0 0 imageWidth imageHeight photo.image theImage return cell iphone uitableview caching uitableviewcell share improve this question..

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

roundedRectImageFromImage UIImage image withRadious CGFloat radious if radious 0.0f return image if image nil CGFloat imageWidth image.size.width CGFloat imageHeight image.size.height CGRect rect CGRectMake 0.0f 0.0f imageWidth imageHeight UIWindow.. image nil CGFloat imageWidth image.size.width CGFloat imageHeight image.size.height CGRect rect CGRectMake 0.0f 0.0f imageWidth imageHeight UIWindow window UIApplication sharedApplication windows objectAtIndex 0 const CGFloat scale window.screen.scale.. CGContextRestoreGState context CGContextClosePath context CGContextClip context image drawInRect CGRectMake 0.0f 0.0f imageWidth imageHeight UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage return..

Iphone convert color image to 2bit image (black-white)

http://stackoverflow.com/questions/4030430/iphone-convert-color-image-to-2bit-image-black-white

not work for me e.g. CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB unsigned char rawData malloc imageHeight imageWidth 4 CGContextRef offscreenContext CGBitmapContextCreate rawData imageWidth imageHeight bitsPerComponent bytesPerRow colorSpace.. unsigned char rawData malloc imageHeight imageWidth 4 CGContextRef offscreenContext CGBitmapContextCreate rawData imageWidth imageHeight bitsPerComponent bytesPerRow colorSpace kCGImageAlphaPremultipliedLast kCGBitmapByteOrderDefault CGColorSpaceRelease..