StackOverflow2013

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plurals

PO
primarykey
Id
2374011
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2010-03-03T18:44:34.973
FavoriteCount
0
LastActivityDate
2010-03-03T18:44:34.973
LastEditDate
LastEditorUserId
0
OwnerUserId
51382
ParentId
2373013
PostTypeId
2
Score
1
ViewCount
0
LastEditorDisplayName
text
Body
<p>I've used this code to resize an image which I found <a href="http://www.iphonedevsdk.com/forum/iphone-sdk-development/5204-resize-image-high-quality.html#post23898" rel="nofollow noreferrer">here</a>.</p> <pre><code>UIImage* resizedImage(UIImage *inImage, CGRect thumbRect) { CGImageRef imageRef = [inImage CGImage]; CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef); // There's a wierdness with kCGImageAlphaNone and CGBitmapContextCreate // see Supported Pixel Formats in the Quartz 2D Programming Guide // Creating a Bitmap Graphics Context section // only RGB 8 bit images with alpha of kCGImageAlphaNoneSkipFirst, kCGImageAlphaNoneSkipLast, kCGImageAlphaPremultipliedFirst, // and kCGImageAlphaPremultipliedLast, with a few other oddball image kinds are supported // The images on input here are likely to be png or jpeg files if (alphaInfo == kCGImageAlphaNone) alphaInfo = kCGImageAlphaNoneSkipLast; // Build a bitmap context that's the size of the thumbRect CGContextRef bitmap = CGBitmapContextCreate( NULL, thumbRect.size.width, // width thumbRect.size.height, // height CGImageGetBitsPerComponent(imageRef), // really needs to always be 8 4 * thumbRect.size.width, // rowbytes CGImageGetColorSpace(imageRef), alphaInfo ); // Draw into the context, this scales the image CGContextDrawImage(bitmap, thumbRect, imageRef); // Get an image from the context and a UIImage CGImageRef ref = CGBitmapContextCreateImage(bitmap); UIImage* result = [UIImage imageWithCGImage:ref]; CGContextRelease(bitmap); // ok if NULL CGImageRelease(ref); return result; } </code></pre>
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1. POResize Image to x mb
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1. PTAnswer
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UserOwnerUserId
1. USwillcodejavaforfood
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1. POResize Image to x mb
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