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2014/10/15 ¤U¤È 10:13:57
iphone Programming Glossary: setimageHow would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone with the code Ramin suggested. I put this in viewDidLoad of my view controller self.lena setImage UIImage imageNamed kImageName self.lena setOverlayColor UIColor blueColor super viewDidLoad I see the..
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 myResizedImg self resizeImage myImg width 400 height 533 myImageView setImage myResizedImg I am using this to resize it UIImage resizeImage UIImage anImage width int width height..
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 time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform.. asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime.. TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult..
http://stackoverflow.com/questions/158914/cropping-a-uiimage
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how 1 add the other corners here CGContextClosePath context CGContextRestoreGState context UIImage setImage UIImage img UIImage imageNamed @ my_image.png int w img.size.width int h img.size.height CGColorSpaceRef..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone object asset assets objectAtIndex indexPath.row i am accessing the thumbnail here cell.imageView setImage UIImage imageWithCGImage asset thumbnail cell.textLabel setText NSString stringWithFormat @ Photo d..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios self action @selector imageMoved withEvent forControlEvents UIControlEventTouchDragInside button setImage UIImage imageNamed @ vehicle.png forState UIControlStateNormal self.view addSubview button Then you..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone understanding as opposed to a link. Update Subclassing a UIImageView with the code Ramin suggested. I put this in viewDidLoad of my view controller self.lena setImage UIImage imageNamed kImageName self.lena setOverlayColor UIColor blueColor super viewDidLoad I see the image but it is not being tinted. I also tried loading other..
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 NSDictionary info myImg info objectForKey @ UIImagePickerControllerOriginalImage myResizedImg self resizeImage myImg width 400 height 533 myImageView setImage myResizedImg I am using this to resize it UIImage resizeImage UIImage anImage width int width height int height CGImageRef imageRef anImage CGImage CGImageAlphaInfo..
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 you can get the thumbnail at any time in the example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds.. time in the example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler.. AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult result NSError error if result AVAssetImageGeneratorSucceeded..
http://stackoverflow.com/questions/158914/cropping-a-uiimage
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how rect.origin.x radius rect.origin.y radius radius M_PI 2 M_PI 1 add the other corners here CGContextClosePath context CGContextRestoreGState context UIImage setImage UIImage img UIImage imageNamed @ my_image.png int w img.size.width int h img.size.height CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone autorelease here 'asset' represents the ALAsset object asset assets objectAtIndex indexPath.row i am accessing the thumbnail here cell.imageView setImage UIImage imageWithCGImage asset thumbnail cell.textLabel setText NSString stringWithFormat @ Photo d indexPath.row 1 return cell iphone image url share improve..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios forControlEvents UIControlEventTouchDown button addTarget self action @selector imageMoved withEvent forControlEvents UIControlEventTouchDragInside button setImage UIImage imageNamed @ vehicle.png forState UIControlStateNormal self.view addSubview button Then you may move the vehicle wherever you want by responding to the..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone Subclassing a UIImageView with the code Ramin suggested. I put this in viewDidLoad of my view controller self.lena setImage UIImage imageNamed kImageName self.lena setOverlayColor UIColor blueColor super viewDidLoad I see the image but it is not..
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 @ UIImagePickerControllerOriginalImage myResizedImg self resizeImage myImg width 400 height 533 myImageView setImage myResizedImg I am using this to resize it UIImage resizeImage UIImage anImage width int width height int height CGImageRef..
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 in the example its at time 0 void generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release.. generateImage AVURLAsset asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds.. asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler handler ^ CMTime requestedTime CGImageRef im CMTime actualTime AVAssetImageGeneratorResult result..
Setting an image for a UIButton in code http://stackoverflow.com/questions/1469474/setting-an-image-for-a-uibutton-in-code
http://stackoverflow.com/questions/158914/cropping-a-uiimage
Rounded UIView using CALayers - only some corners - How? http://stackoverflow.com/questions/2264083/rounded-uiview-using-calayers-only-some-corners-how radius M_PI 2 M_PI 1 add the other corners here CGContextClosePath context CGContextRestoreGState context UIImage setImage UIImage img UIImage imageNamed @ my_image.png int w img.size.width int h img.size.height CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB..
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets? http://stackoverflow.com/questions/2451223/uibutton-how-to-center-an-image-and-a-text-using-imageedgeinsets-and-titleedgei a button and set the imageEdgeInsets more close to the top the image stays centered and all works as expected button setImage image forState UIControlStateNormal button setImageEdgeInsets UIEdgeInsetsMake 15.0 0.0 0.0 0.0 If I put only a text in.. the top the image stays centered and all works as expected button setImage image forState UIControlStateNormal button setImageEdgeInsets UIEdgeInsetsMake 15.0 0.0 0.0 0.0 If I put only a text in a button and set titleEdgeInsets more close to the bottom..
unrecognized selector sent to instance http://stackoverflow.com/questions/2455161/unrecognized-selector-sent-to-instance numberButton UIButton buttonWithType UIButtonTypeCustom numberButton.frame CGRectMake 10 435 46 38 numberButton setImage UIImage imageNamed @ one.png forState UIControlStateNormal numberButton addTarget self action @selector numberButtonClick..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone the ALAsset object asset assets objectAtIndex indexPath.row i am accessing the thumbnail here cell.imageView setImage UIImage imageWithCGImage asset thumbnail cell.textLabel setText NSString stringWithFormat @ Photo d indexPath.row 1 return..
http://stackoverflow.com/questions/4707858/basic-drag-and-drop-in-ios button addTarget self action @selector imageMoved withEvent forControlEvents UIControlEventTouchDragInside button setImage UIImage imageNamed @ vehicle.png forState UIControlStateNormal self.view addSubview button Then you may move the vehicle..
How to customize UISwitch button in iphone? http://stackoverflow.com/questions/5087546/how-to-customize-uiswitch-button-in-iphone 20 365 140 28 switchView.selectedSegmentIndex 0 switchView.segmentedControlStyle UISegmentedControlStyleBar switchView setImage UIImage imageNamed @ onSelected.png forSegmentAtIndex 0 switchView setImage UIImage imageNamed @ off.png forSegmentAtIndex.. UISegmentedControlStyleBar switchView setImage UIImage imageNamed @ onSelected.png forSegmentAtIndex 0 switchView setImage UIImage imageNamed @ off.png forSegmentAtIndex 1 switchView addTarget self action @selector checkOnOffState forControlEvents.. id sender UISegmentedControl tempSeg UISegmentedControl sender if tempSeg.selectedSegmentIndex 0 tempSeg setImage UIImage imageNamed @ onSelected.png forSegmentAtIndex 0 tempSeg setImage UIImage imageNamed @ off.png forSegmentAtIndex..
Last In-First Out Stack with GCD? http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd place holder image then use dispatch_async on a background queue to retrieve it. if contact.image nil cell imageView setImage contact.image else Set a temporary placeholder cell imageView setImage placeHolderImage Retrieve the image from the database.. it. if contact.image nil cell imageView setImage contact.image else Set a temporary placeholder cell imageView setImage placeHolderImage Retrieve the image from the database on a background queue dispatch_queue_t queue dispatch_get_global_queue.. put the image into the cell's imageView on the main queue dispatch_async dispatch_get_main_queue ^ theCell imageView setImage contact.image theCell setNeedsLayout return cell The WWDC2010 conference video Introducing Blocks and Grand Central..
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