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2014/10/15 ¤U¤È 10:05:04
iphone Programming Glossary: cgimagereleaseResizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage bitmap UIImage result UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return result QUESTION How do I RESIZE a UIImage pulled from the Camera WITHOUT rotating the pixels.. bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage This will resize your image and rotate it to the correct orientation. If you need..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale context CGColorSpaceRelease colorSpace UIImage resultUIImage UIImage imageWithCGImage image CGImageRelease image free m_imageData make sure the data will be released by giving it to an autoreleased NSData NSData..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage iphone uikit uiimage core graphics rotation share improve this question What..
http://stackoverflow.com/questions/158914/cropping-a-uiimage
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some text on top of the image we just added CGContextSelectFont pdfContext..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview bitmapContext image is retained by the property setting above so we can release the original CGImageRelease bitmapContext return the image return theImage Now you just need few lines of code. I put stuff in my..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload
http://stackoverflow.com/questions/5757386/how-to-mask-an-uiimageview image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you.. image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you provided your code I..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud CGDataProviderRelease imageDataProvider UIImage decompressedImage UIImage imageWithCGImage image CGImageRelease image The trade off with this code is that the decoded image uses more memory but rendering is faster...
Resizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage CGRectMake 0 0 width height imageRef CGImageRef ref CGBitmapContextCreateImage bitmap UIImage result UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return result QUESTION How do I RESIZE a UIImage pulled from the Camera WITHOUT rotating the pixels iphone uiimageview uiimage uiimagepickercontroller share.. 0 0 targetWidth targetHeight imageRef CGImageRef ref CGBitmapContextCreateImage bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage This will resize your image and rotate it to the correct orientation. If you need the definition for radians it is static inline double radians..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale image CGBitmapContextCreateImage context CGContextRelease context CGColorSpaceRelease colorSpace UIImage resultUIImage UIImage imageWithCGImage image CGImageRelease image free m_imageData make sure the data will be released by giving it to an autoreleased NSData NSData dataWithBytesNoCopy result length m_width m_height return..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees 0 0 targetWidth targetHeight imageRef CGImageRef ref CGBitmapContextCreateImage bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage iphone uikit uiimage core graphics rotation share improve this question What about something like static inline double radians double..
http://stackoverflow.com/questions/158914/cropping-a-uiimage
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some text on top of the image we just added CGContextSelectFont pdfContext Helvetica 16 kCGEncodingMacRoman CGContextSetTextDrawingMode..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview image to a UIImage UIImage theImage UIImage imageWithCGImage bitmapContext image is retained by the property setting above so we can release the original CGImageRelease bitmapContext return the image return theImage Now you just need few lines of code. I put stuff in my viewController viewDidLoad method because it's faster but..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload
http://stackoverflow.com/questions/5757386/how-to-mask-an-uiimageview maskRef NULL false CGImageRef maskedImageRef CGImageCreateWithMask image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you provided your code I have added some numbers as comments to.. NULL false CGImageRef maskedImageRef CGImageCreateWithMask image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you provided your code I have added some numbers as comments to it for reference. You..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud
Resizing UIimages pulled from the Camera also ROTATES the UIimage? http://stackoverflow.com/questions/1260249/resizing-uiimages-pulled-from-the-camera-also-rotates-the-uiimage CGImageRef ref CGBitmapContextCreateImage bitmap UIImage result UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return result QUESTION How do I RESIZE a UIImage pulled from the Camera WITHOUT rotating the pixels iphone uiimageview.. CGImageRef ref CGBitmapContextCreateImage bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage This will resize your image and rotate it to the correct orientation. If you need the definition for..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale context CGContextRelease context CGColorSpaceRelease colorSpace UIImage resultUIImage UIImage imageWithCGImage image CGImageRelease image free m_imageData make sure the data will be released by giving it to an autoreleased NSData NSData dataWithBytesNoCopy..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees CGImageRef ref CGBitmapContextCreateImage bitmap UIImage newImage UIImage imageWithCGImage ref CGContextRelease bitmap CGImageRelease ref return newImage iphone uikit uiimage core graphics rotation share improve this question What about something like..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular imageRef CGImageCreateWithImageInRect imageToCrop CGImage rect UIImage cropped UIImage imageWithCGImage imageRef CGImageRelease imageRef return cropped Method 2 Merge the two Images #pragma mark Marge two Images UIImage addImageToImage UIImage img..
http://stackoverflow.com/questions/158914/cropping-a-uiimage
http://stackoverflow.com/questions/262156/uiimage-rounded-corners imageNamed @ Mask.png CGImage CGImageRef resizedImage CGImageCreateWithMask mainViewContentBitmapContext maskImage CGImageRelease mainViewContentBitmapContext convert the finished resized image to a UIImage UIImage theImage UIImage imageWithCGImage resizedImage.. UIImage imageWithCGImage resizedImage image is retained by the property setting above so we can release the original CGImageRelease resizedImage return the image return theImage iphone cocoa touch share improve this question If you are using a UIImageView..
http://stackoverflow.com/questions/3231690/inner-shadow-in-uilabel 2 1 withFont font CGImageRef cutoutRef CGImageCreateWithMask self blackSquareOfSize rect.size .CGImage mask CGImageRelease mask UIImage cutout UIImage imageWithCGImage cutoutRef scale UIScreen mainScreen scale orientation UIImageOrientationUp.. UIImage cutout UIImage imageWithCGImage cutoutRef scale UIScreen mainScreen scale orientation UIImageOrientationUp CGImageRelease cutoutRef CGImageRef shadedMask self createMaskWithSize rect.size shape ^ UIColor whiteColor setFill CGContextFillRect UIGraphicsGetCurrentContext.. UIGraphicsEndImageContext CGImageRef innerShadowRef CGImageCreateWithMask negative.CGImage shadedMask CGImageRelease shadedMask UIImage innerShadow UIImage imageWithCGImage innerShadowRef scale UIScreen mainScreen scale orientation UIImageOrientationUp..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some text on top of the image we just added CGContextSelectFont pdfContext Helvetica 16 kCGEncodingMacRoman..
how to crop image in to pieces programmatically http://stackoverflow.com/questions/4743242/how-to-crop-image-in-to-pieces-programmatically 1 sView addGestureRecognizer tap tap release sView.tag partId root addSubview sView sView release partId CGImageRelease cgImg self.view root void tap UITapGestureRecognizer gesture NSLog @ image tap d gesture.view.tag share improve this..
http://stackoverflow.com/questions/4847163/round-two-corners-in-uiview UIImage imageWithCGImage bitmapContext image is retained by the property setting above so we can release the original CGImageRelease bitmapContext return the image return theImage Now you just need few lines of code. I put stuff in my viewController viewDidLoad..
iOS UIImagePickerController result image orientation after upload http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload
http://stackoverflow.com/questions/5757386/how-to-mask-an-uiimageview maskedImageRef CGImageCreateWithMask image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you provided your code I.. image CGImage mask UIImage maskedImage UIImage imageWithCGImage maskedImageRef CGImageRelease mask CGImageRelease maskedImageRef returns new image with mask applied return maskedImage After you provided your code I have added some numbers..
Make Background of UIView a Gradient Without Sub Classing http://stackoverflow.com/questions/844710/make-background-of-uiview-a-gradient-without-sub-classing bitmapContext Create a UIImage from CGImage UIImage uiImage UIImage imageWithCGImage cgImage Release the CGImage CGImageRelease cgImage Release the bitmap context CGContextRelease bitmapContext Release the color space CGColorSpaceRelease colorSpace..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud originalImage CGDataProviderRelease imageDataProvider UIImage decompressedImage UIImage imageWithCGImage image CGImageRelease image The trade off with this code is that the decoded image uses more memory but rendering is faster. share improve this..
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