2014/10/15 下午 10:15:17

iphone Programming Glossary: uiimage's

Can I edit the pixels of the UIImage's property CGImage

http://stackoverflow.com/questions/1281210/can-i-edit-the-pixels-of-the-uiimages-property-cgimage

I edit the pixels of the UIImage's property CGImage UIImage has a read only property CGImage. I have to read its pixels to a memory block and edit them and..

Force UIImagePickerController to take photo in portrait orientation/dimensions iOS

http://stackoverflow.com/questions/14484816/force-uiimagepickercontroller-to-take-photo-in-portrait-orientation-dimensions-i

in order to display the image correctly. Apple evidently uses the image file's orientation metadata to set the UIImage's property but there is a bit of translation going on. Orientation Apple UIImage.imageOrientation Jpeg File kCGImagePropertyOrientation..

UIImage color changing?

http://stackoverflow.com/questions/1698971/uiimage-color-changing

color changing How can I change the UIImage's color through programming any help please If I send a UIImage its color needs to change any help please If I change the..

UIImage change raw pixels from white to clear?

http://stackoverflow.com/questions/2650456/uiimage-change-raw-pixels-from-white-to-clear

unfortunately working with Core Graphics and images is not my strong suit. How would I go about accessing a UIImage's raw data and changing the white pixels to clear Thanks iphone cocoa touch uikit uiimage core graphics share improve this.. iphone cocoa touch uikit uiimage core graphics share improve this question How would I go about accessing a UIImage's raw data Look at the documentation . You'll find that there is no way to get the raw data behind a UIImage. The closest..

img_data_lock iphone - imageNamed vs imageWithContentsofFile

http://stackoverflow.com/questions/2907780/img-data-lock-iphone-imagenamed-vs-imagewithcontentsoffile

someone use imageNamed if it takes such a toll on memory iphone memory management share improve this question UIImage's methods imageNamed and imageWithContentsOfFile do slightly different things. imageNamed loads the image in a special system..

Does UIImage's imageNamed still cause memory issues on iOS4 for large images?

http://stackoverflow.com/questions/4389918/does-uiimages-imagenamed-still-cause-memory-issues-on-ios4-for-large-images

UIImage's imageNamed still cause memory issues on iOS4 for large images I found a couple of Memory Management articles that mentioned.. still cause memory issues on iOS4 for large images I found a couple of Memory Management articles that mentioned UIImage's imageNamed causing problems when you have a lot of large images in memory. http akosma.com 2009 01 28 10 iphone memory management..

How to render a radial gradient onto a new UIImage on an iphone

http://stackoverflow.com/questions/5617113/how-to-render-a-radial-gradient-onto-a-new-uiimage-on-an-iphone

dq_shadings dq_shadings.html And it made me think i need to use CGShadingRef or CGGradientRef and use UIImage's 'imageWithCGImage' constructor to go from the CG to a UIImage... but i can't figure out how. Any suggestions greatly appreciated..

Storing UIImage in Core Data with the new External Storage flag

http://stackoverflow.com/questions/7924840/storing-uiimage-in-core-data-with-the-new-external-storage-flag

UIImage in Core Data with the new External Storage flag I know that the storing of UIImage's in core data has been discussed a lot such as here but that was pre ios5. Now that we have the external storage flag do.. but that was pre ios5. Now that we have the external storage flag do you guys think it would be a fine idea to store UIImage's directly in the entity as a separate entity or still on the disk Here is a source explaining the external storage option...

How can I tint a UIImage with gradient?

http://stackoverflow.com/questions/8098130/how-can-i-tint-a-uiimage-with-gradient

effect programatically Solution jrtc27 gave me almost working example. I fixed it for ARC and made it reusable using UIImage's category . Here is it UIImage tintedWithLinearGradientColors NSArray colorsArr CGFloat scale self.scale UIGraphicsBeginImageContext..

Overlaying a UIImage with a color?

http://stackoverflow.com/questions/845278/overlaying-a-uiimage-with-a-color

a UIImage with a color I'm attempting to add a black overlay over some current UIImage's which are white . I've been trying to use following code UIColor blackColor set image drawAtPoint CGPointMake 0 0 blendMode..

UIImage to be displayed progressively from server

http://stackoverflow.com/questions/9478262/uiimage-to-be-displayed-progressively-from-server

This is where you would call the function that would stitch up your partial data and make it appropriate for use in UIImage's imageWithData NSData validPartialData self validImageRepresentationFromPartialImageData receivedData UIImage partialImage..