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2014/10/15 ¤U¤È 10:10:10
iphone Programming Glossary: image.size.widthBlur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular UIImage addImageToImage UIImage img withImage2 UIImage img2 andRect CGRect cropRect CGSize size CGSizeMake imageView.image.size.width imageView.image.size.height UIGraphicsBeginImageContext size CGPoint pointImg1 CGPointMake 0 0 img drawAtPoint pointImg1.. 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 window UIApplication.. nil UITouch touch touches anyObject CGPoint currentPoint touch locationInView self.imageView double ratioW imageView.image.size.width imageView.frame.size.width double ratioH imageView.image.size.height imageView.frame.size.height currentPoint.x ratioW currentPoint.y..
http://stackoverflow.com/questions/1698971/uiimage-color-changing getImageWithUnsaturatedPixelsOfImage UIImage image const int RED 1 GREEN 2 BLUE 3 CGRect imageRect CGRectMake 0 0 image.size.width 2 image.size.height 2 int width imageRect.size.width height imageRect.size.height uint32_t pixels uint32_t malloc width.. CGContextSetAlpha context alpha CGContextFillRect UIGraphicsGetCurrentContext CGRectMake CGPointZero.x CGPointZero.y image.size.width image.size.height UIImage tintedImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return tintedImage..
iPhone UITableView - Delete Button http://stackoverflow.com/questions/2104403/iphone-uitableview-delete-button @ trans_clock.png Create the label for the top row of text topLabel UILabel alloc initWithFrame CGRectMake image.size.width 2.0 cell.indentationWidth 0.5 aTableView.rowHeight 2 LABEL_HEIGHT aTableView.bounds.size.width image.size.width 4.0 cell.indentationWidth.. image.size.width 2.0 cell.indentationWidth 0.5 aTableView.rowHeight 2 LABEL_HEIGHT aTableView.bounds.size.width image.size.width 4.0 cell.indentationWidth LABEL_HEIGHT autorelease cell.contentView addSubview topLabel Configure the properties for.. UIFont labelFontSize Create the label for the top row of text bottomLabel UILabel alloc initWithFrame CGRectMake image.size.width 2.0 cell.indentationWidth 0.5 aTableView.rowHeight 2 LABEL_HEIGHT LABEL_HEIGHT aTableView.bounds.size.width image.size.width..
UISearchBar clear background color or set background image [iphone sdk] http://stackoverflow.com/questions/2139115/uisearchbar-clear-background-color-or-set-background-image-iphone-sdk contenxt 0 image.size.height CGContextScaleCTM contenxt 1.0 1.0 CGContextDrawImage contenxt CGRectMake 0 0 image.size.width image.size.height image.CGImage @end @ .h #import Foundation Foundation.h #import QuartzCore QuartzCore.h @interface UISearchBar..
http://stackoverflow.com/questions/2635371/how-to-crop-the-uiimage croping bordered part of image .I have the develop code are NSInteger processImage1 UIImage image CGFloat width image.size.width CGFloat height image.size.height struct pixel pixels struct pixel calloc 1 image.size.width image.size.height sizeof struct.. image CGFloat width image.size.width CGFloat height image.size.height struct pixel pixels struct pixel calloc 1 image.size.width image.size.height sizeof struct pixel if pixels nil Create a new bitmap CGContextRef context CGBitmapContextCreate void.. sizeof struct pixel if pixels nil Create a new bitmap CGContextRef context CGBitmapContextCreate void pixels image.size.width image.size.height 8 image.size.width 4 CGImageGetColorSpace image.CGImage kCGImageAlphaPremultipliedLast if context..
Image processing Glamour filter in iphone http://stackoverflow.com/questions/3549396/image-processing-glamour-filter-in-iphone cgImage CFDataRef bitmapData CGDataProviderCopyData provider UInt8 data UInt8 CFDataGetBytePtr bitmapData int width image.size.width int height image.size.height NSInteger myDataLength width height 4 for int i 0 i myDataLength i 4 UInt8 r_pixel data i..
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets http://stackoverflow.com/questions/4564621/aligning-text-and-image-on-uibutton-with-imageedgeinsets-and-titleedgeinsets a positive value shrinks it to move it closer to the center. I tried button setTitleEdgeInsets UIEdgeInsetsMake 0 image.size.width 0 0 button setImageEdgeInsets UIEdgeInsetsMake 0 button.titleLabel.bounds.size.width 0 0 but this doesn't display it correctly...
How to write text on image in objective-c iPhone? http://stackoverflow.com/questions/6992830/how-to-write-text-on-image-in-objective-c-iphone UIFont font UIFont boldSystemFontOfSize 12 UIGraphicsBeginImageContext image.size image drawInRect CGRectMake 0 0 image.size.width image.size.height CGRect rect CGRectMake point.x point.y image.size.width image.size.height UIColor whiteColor set text.. image.size image drawInRect CGRectMake 0 0 image.size.width image.size.height CGRect rect CGRectMake point.x point.y image.size.width image.size.height UIColor whiteColor set text drawInRect CGRectIntegral rect withFont font UIImage newImage UIGraphicsGetImageFromCurrentImageContext.. set CGContextFillRect UIGraphicsGetCurrentContext CGRectMake 0 image.size.height text sizeWithFont font .height image.size.width image.size.height I'm using the text size to calculate the origin for the solid color rectangle but you can replace it with..
Customization of UINavigationBar and the back button http://stackoverflow.com/questions/7066874/customization-of-uinavigationbar-and-the-back-button target selector SEL selector CGSize textSize title sizeWithFont font CGSize buttonSize CGSizeMake textSize.width 20.0f image.size.width UIButton button UIButton alloc initWithFrame CGRectMake 0.0f 0.0f buttonSize.width buttonSize.height autorelease button..
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