2014/10/15 下午 10:10:42

iphone Programming Glossary: jpegs

http://stackoverflow.com/questions/10307521/ios-png-image-rotated-90-degrees

roll the image rotates 90 degrees. I've searched everywhere on this and one of the things I learned is that if I used JPEGs I wouldn't have this problem it sounds due to the EXIF information. My app has full copy paste functionality and here's..

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

Adding images to iPhone Simulator

http://stackoverflow.com/questions/468879/adding-images-to-iphone-simulator

iPhone Simulator User Media DCIM 100APPLE and add IMG_nnnn.THM and IMG_nnnn.JPG. It doesn't matter if they are not JPEGs they can both be PNGs but it appears that both of them must be present for it to work. You may need to create DCIM if it..

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

planning on resizing the image to something a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change.. use with the iPhone is PNG because it has optimizations for that format. However if you want to store these images as JPEGs you can take your UIImage and do the following NSData dataForJPEGFile UIImageJPEGRepresentation theImage 0.6 This creates..

How to get errors/warnings in [UIImage initWithData:]

http://stackoverflow.com/questions/6788138/how-to-get-errors-warnings-in-uiimage-initwithdata

to get errors warnings in UIImage initWithData i have an MJPEG stream over RTSP UDP from which i want to generate JPEGs for a UIImageView with UIImage initWithData . Most of the time this works good but sometimes i get corrupt images and log..

How to properly crop an image taken on iPhone 4G (with EXIF rotation data)?

http://stackoverflow.com/questions/7203847/how-to-properly-crop-an-image-taken-on-iphone-4g-with-exif-rotation-data

for this. It's all incomplete or wrong when it comes to iPhone 4G because iPhone 4G embeds rotation EXIF data into its JPEGs. This data is exposed via the imageOrientation property new in iOS 4. The correct way to crop a region with images that..