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2014/10/15 ¤U¤È 10:05:05

iphone Programming Glossary: cgsize

How do I make UILabel display outlined text?

http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text

this question I was able to do it by overriding drawTextInRect void drawTextInRect CGRect rect CGSize shadowOffset self.shadowOffset UIColor textColor self.textColor CGContextRef c UIGraphicsGetCurrentContext..

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

rotate the image and swap width height. Here is some code to do this UIImage imageByScalingToSize CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

@ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize.. for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize.. UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap..

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

just core graphics functions while preserving the current size UIImage reverseImageByScalingToSize CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat..

Getting thumbnail from a video url or data in IPhone SDK

http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk

im forState UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes.. UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes NSArray arrayWithObject..

The simplest way to resize an UIImage?

http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage

390 pixels. I was using this method to resize the image UIImage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't.. method if you actually need to resize an image UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize In next line pass 0.0 to use the current device's pixel..

Popover with embedded navigation controller doesn't respect size on back nav

http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav

view controller I set the view's popover context size like so self setContentSizeForViewInPopover CGSizeMake 320 500 size different for each controller This works as expected as I navigate forward in the hierarchy.. the following helper method that would do the trick with setting the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width.. the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width 1.0f currentSetSizeForPopover.height 1.0f..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

CGContextRelease context CVPixelBufferUnlockBaseAddress pxbuffer 0 return pxbuffer frameSize is a CGSize describing your target frame size and frameTransform is a CGAffineTransform that lets you transform..

Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints?

http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints

self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect.. self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect imageRect CGRectMake..

How to determine the content size of a UIWebView?

http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview

of a UIWebView I have a UIWebView with different single page content. I'd like to find out the CGSize of the content to resize my parent views appropriately. The obvious sizeThatFits unfortunately just.. UIWebView aWebView CGRect frame aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size.. aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size f f fittingSize.width fittingSize.height..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent _textView sizeThatFits _textView.frame.size heightConstraint.constant sizeThatShouldFitTheContent.height..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation.. roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation orient image.imageOrientation..

UIImage: Resize, then Crop

http://stackoverflow.com/questions/603907/uiimage-resize-then-crop

Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width.. imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height imageSize.height CGFloat targetWidth.. targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat heightFactor targetHeight..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

method picture array and song file are ready void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask.. with your picture array use zoul's post here void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask..

What's the easiest way to resize/optimize an image size with the iPhone SDK?

http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk

described in this post with the relevant code UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize image drawInRect CGRectMake 0 0 newSize.width newSize.height..

How do I make UILabel display outlined text?

http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text

objective c iphone cocoa touch core graphics share improve this question I was able to do it by overriding drawTextInRect void drawTextInRect CGRect rect CGSize shadowOffset self.shadowOffset UIColor textColor self.textColor CGContextRef c UIGraphicsGetCurrentContext CGContextSetLineWidth c 1 CGContextSetLineJoin c kCGLineJoinRound..

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

if the imageOrientation is right left then you need to both rotate the image and swap width height. Here is some code to do this UIImage imageByScalingToSize CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef imageRef sourceImage CGImage CGBitmapInfo..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

heightForRowAtIndexPath NSIndexPath indexPath NSString cellText @ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap.. NSIndexPath indexPath NSString cellText @ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap return labelSize.height.. NSString cellText @ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap return labelSize.height 20 I added 20 to my returned..

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

show me how to just ROTATE my UIImage 90 degrees CCW using just core graphics functions while preserving the current size UIImage reverseImageByScalingToSize CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width CGImageRef imageRef sourceImage..

Getting thumbnail from a video url or data in IPhone SDK

http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk

error @ error button setImage UIImage imageWithCGImage im forState UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes NSArray arrayWithObject NSValue valueWithCMTime thumbTime.. error button setImage UIImage imageWithCGImage im forState UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes NSArray arrayWithObject NSValue valueWithCMTime thumbTime completionHandler..

The simplest way to resize an UIImage?

http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage

a picture with the camera then I want to resize it to 290 390 pixels. I was using this method to resize the image UIImage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way.. to one of the resizing options. Or you can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize In next line pass 0.0 to use the current device's pixel scaling factor and thus account for Retina resolution . Pass..

Popover with embedded navigation controller doesn't respect size on back nav

http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav

of view controllers. I followed the docs and for each view controller I set the view's popover context size like so self setContentSizeForViewInPopover CGSizeMake 320 500 size different for each controller This works as expected as I navigate forward in the hierarchy the popover automatically animates size changes to.. You could easily create category on UIViewController with the following helper method that would do the trick with setting the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width 1.0f currentSetSizeForPopover.height.. following helper method that would do the trick with setting the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width 1.0f currentSetSizeForPopover.height 1.0f self.contentSizeForViewInPopover fakeMomentarySize self.contentSizeForViewInPopover..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

image image CGColorSpaceRelease rgbColorSpace CGContextRelease context CVPixelBufferUnlockBaseAddress pxbuffer 0 return pxbuffer frameSize is a CGSize describing your target frame size and frameTransform is a CGAffineTransform that lets you transform the images when you draw them into frames. share improve this..

Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints?

http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints

self.bounds.size.width CGFloat scaleForHeight baseImage.size.height self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect imageRect CGRectMake self.bounds.size.width imageSize.width.. CGFloat scaleForHeight baseImage.size.height self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect imageRect CGRectMake self.bounds.size.width imageSize.width 2 self.bounds.size.height..

How to determine the content size of a UIWebView?

http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview

to determine the content size of a UIWebView I have a UIWebView with different single page content. I'd like to find out the CGSize of the content to resize my parent views appropriately. The obvious sizeThatFits unfortunately just returns the current frame size of the webView. iphone cocoa.. the webViewDidFinishLoad delegate method. void webViewDidFinishLoad UIWebView aWebView CGRect frame aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size f f fittingSize.width fittingSize.height I should point out.. void webViewDidFinishLoad UIWebView aWebView CGRect frame aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size f f fittingSize.width fittingSize.height I should point out there's another approach thanks @GregInYEG..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

not work if auto layout is ON. With auto layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent _textView sizeThatFits _textView.frame.size heightConstraint.constant sizeThatShouldFitTheContent.height heightConstraint is a layout..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

bounds.size.width ratio else bounds.size.height kMaxResolution bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation orient image.imageOrientation switch orient case UIImageOrientationUp.. ratio else bounds.size.height kMaxResolution bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation orient image.imageOrientation switch orient case UIImageOrientationUp..

UIImage: Resize, then Crop

http://stackoverflow.com/questions/603907/uiimage-resize-then-crop

to the full screen size of the device. @implementation UIImage Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height imageSize.height CGFloat.. Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height imageSize.height CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height.. targetSize.height CGFloat scaleFactor 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat heightFactor targetHeight height if widthFactor heightFactor scaleFactor widthFactor..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

of problems. To understand I put my code When I call this method picture array and song file are ready void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex 0 NSArray dirContents NSFileManager.. my code here be careful to memory First make a movie file with your picture array use zoul's post here void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex 0 NSArray dirContents NSFileManager..

What's the easiest way to resize/optimize an image size with the iPhone SDK?

http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk

as answers to this question . I had suggested the technique described in this post with the relevant code UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize image drawInRect CGRectMake 0 0 newSize.width newSize.height UIImage newImage UIGraphicsGetImageFromCurrentImageContext..

How do I make UILabel display outlined text?

http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text

share improve this question I was able to do it by overriding drawTextInRect void drawTextInRect CGRect rect CGSize shadowOffset self.shadowOffset UIColor textColor self.textColor CGContextRef c UIGraphicsGetCurrentContext CGContextSetLineWidth..

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

you need to both rotate the image and swap width height. Here is some code to do this UIImage imageByScalingToSize CGSize targetSize UIImage sourceImage self CGFloat targetWidth targetSize.width CGFloat targetHeight targetSize.height CGImageRef..

How do I wrap text in a UITableViewCell without a custom cell

http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell

NSString cellText @ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize.. @ Go get some text for your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap.. your cell. UIFont cellFont UIFont fontWithName @ Helvetica size 17.0 CGSize constraintSize CGSizeMake 280.0f MAXFLOAT CGSize labelSize cellText sizeWithFont cellFont constrainedToSize constraintSize lineBreakMode UILineBreakModeWordWrap return labelSize.height..

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

degrees CCW using just core graphics functions while preserving the current size UIImage reverseImageByScalingToSize CGSize targetSize UIImage anImage UIImage sourceImage anImage CGFloat targetWidth targetSize.height CGFloat targetHeight targetSize.width..

Getting thumbnail from a video url or data in IPhone SDK

http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk

imageWithCGImage im forState UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes NSArray arrayWithObject.. im forState UIControlStateNormal thumbImg UIImage imageWithCGImage im retain generator release CGSize maxSize CGSizeMake 320 180 generator.maximumSize maxSize generator generateCGImagesAsynchronouslyForTimes NSArray arrayWithObject NSValue..

The simplest way to resize an UIImage?

http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage

to resize it to 290 390 pixels. I was using this method to resize the image UIImage newImage image _imageScaledToSize CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with.. can use this utility method if you actually need to resize an image UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize In next line pass 0.0 to use the current device's pixel scaling factor and thus..

Popover with embedded navigation controller doesn't respect size on back nav

http://stackoverflow.com/questions/2752394/popover-with-embedded-navigation-controller-doesnt-respect-size-on-back-nav

docs and for each view controller I set the view's popover context size like so self setContentSizeForViewInPopover CGSizeMake 320 500 size different for each controller This works as expected as I navigate forward in the hierarchy the popover.. UIViewController with the following helper method that would do the trick with setting the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width.. the trick with setting the size void forcePopoverSize CGSize currentSetSizeForPopover self.contentSizeForViewInPopover CGSize fakeMomentarySize CGSizeMake currentSetSizeForPopover.width 1.0f currentSetSizeForPopover.height 1.0f self.contentSizeForViewInPopover..

How do I export UIImage array as a movie?

http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie

rgbColorSpace CGContextRelease context CVPixelBufferUnlockBaseAddress pxbuffer 0 return pxbuffer frameSize is a CGSize describing your target frame size and frameTransform is a CGAffineTransform that lets you transform the images when you..

Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints?

http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints

scaleForHeight baseImage.size.height self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect imageRect CGRectMake.. self.bounds.size.height CGFloat imageScaleFactor MAX scaleForWidth scaleForHeight CGSize imageSize CGSizeMake baseImage.size.width imageScaleFactor baseImage.size.height imageScaleFactor CGRect imageRect CGRectMake self.bounds.size.width..

How to determine the content size of a UIWebView?

http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview

the content size of a UIWebView I have a UIWebView with different single page content. I'd like to find out the CGSize of the content to resize my parent views appropriately. The obvious sizeThatFits unfortunately just returns the current.. void webViewDidFinishLoad UIWebView aWebView CGRect frame aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size f f fittingSize.width.. aWebView CGRect frame aWebView.frame frame.size.height 1 aWebView.frame frame CGSize fittingSize aWebView sizeThatFits CGSizeZero frame.size fittingSize aWebView.frame frame NSLog @ size f f fittingSize.width fittingSize.height I should point out..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

layout the general approach is to use the sizeThatFits method and update the constant value on a height constraint. CGSize sizeThatShouldFitTheContent _textView sizeThatFits _textView.frame.size heightConstraint.constant sizeThatShouldFitTheContent.height..

UIImagePickerController camera preview is portrait in landscape app

http://stackoverflow.com/questions/538041/uiimagepickercontroller-camera-preview-is-portrait-in-landscape-app

kMaxResolution bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation orient image.imageOrientation.. bounds.size.width roundf bounds.size.height ratio CGFloat scaleRatio bounds.size.width width CGSize imageSize CGSizeMake CGImageGetWidth imgRef CGImageGetHeight imgRef CGFloat boundHeight UIImageOrientation orient image.imageOrientation..

UIImage: Resize, then Crop

http://stackoverflow.com/questions/603907/uiimage-resize-then-crop

@implementation UIImage Extras #pragma mark #pragma mark Scale and crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width.. crop image UIImage imageByScalingAndCroppingForSize CGSize targetSize UIImage sourceImage self UIImage newImage nil CGSize imageSize sourceImage.size CGFloat width imageSize.width CGFloat height imageSize.height CGFloat targetWidth targetSize.width.. 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat heightFactor targetHeight height if widthFactor..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

When I call this method picture array and song file are ready void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex.. make a movie file with your picture array use zoul's post here void writeImagesToMovieAtPath NSString path withSize CGSize size NSString documentsDirectoryPath NSSearchPathForDirectoriesInDomains NSDocumentDirectory NSUserDomainMask YES objectAtIndex..

What's the easiest way to resize/optimize an image size with the iPhone SDK?

http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk

the technique described in this post with the relevant code UIImage imageWithImage UIImage image scaledToSize CGSize newSize UIGraphicsBeginImageContext newSize image drawInRect CGRectMake 0 0 newSize.width newSize.height UIImage newImage..