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2014/10/15 ¤U¤È 10:05:13

iphone Programming Glossary: colorspaceref

Image processing Glamour filter in iphone

http://stackoverflow.com/questions/3549396/image-processing-glamour-filter-in-iphone

NULL data myDataLength NULL int bitsPerComponent 8 int bitsPerPixel 32 int bytesPerRow 4 width CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider2 NULL NO renderingIntent CGColorSpaceRelease colorSpaceRef YOU CAN RELEASE THIS NOW CGDataProviderRelease.. bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider2 NULL NO renderingIntent CGColorSpaceRelease colorSpaceRef YOU CAN RELEASE THIS NOW CGDataProviderRelease provider2 YOU CAN RELEASE THIS NOW CFRelease bitmapData UIImage sepiaImage..

how to take a screenshot of the iPhone programmatically?

http://stackoverflow.com/questions/3610604/how-to-take-a-screenshot-of-the-iphone-programmatically

a CGImage from your context. Elaboration CGSize screenSize UIScreen mainScreen applicationFrame .size CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGContextRef ctx CGBitmapContextCreate nil screenSize.width screenSize.height 8 4 int screenSize.width.. CGContextRef ctx CGBitmapContextCreate nil screenSize.width screenSize.height 8 4 int screenSize.width colorSpaceRef kCGImageAlphaPremultipliedLast CGContextTranslateCTM ctx 0.0 screenSize.height CGContextScaleCTM ctx 1.0 1.0 CALayer self.view.layer..

Creating UIImage from raw RGBA data

http://stackoverflow.com/questions/4545237/creating-uiimage-from-raw-rgba-data

rawData width height 4 NULL int bitsPerComponent 8 int bitsPerPixel 32 int bytesPerRow 4 width CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. renderingIntent kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate width height 8 32 4 width colorSpaceRef bitmapInfo provider NULL NO renderingIntent I get the current dimensions displayed here NSLog @ width i height i CGImageGetWidth..

take screen Programmatically of UIview+glview

http://stackoverflow.com/questions/6197137/take-screen-programmatically-of-uiviewglview

NULL prep the ingredients int bitsPerComponent 8 int bitsPerPixel 32 int bytesPerRow 4 width CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. make the cgimage CGImageRef imageRef CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider NULL NO renderingIntent then make the uiimage from that UIImage myImage UIImage imageWithCGImage imageRef..

How to make one color transparent on a UIImage?

http://stackoverflow.com/questions/633722/how-to-make-one-color-transparent-on-a-uiimage

ref int mHeight CGImageGetHeight ref int count mWidth mHeight 4 void bufferdata malloc count CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. kCGRenderingIntentDefault CGContextRef cgctx CGBitmapContextCreate bufferdata mWidth mHeight 8 mWidth 4 colorSpaceRef kCGImageAlphaPremultipliedFirst CGRect rect 0 0 mWidth mHeight CGContextDrawImage cgctx rect ref bufferdata CGBitmapContextGetData.. NULL bufferdata mWidth mHeight 4 NULL CGImageRef savedimageref CGImageCreate mWidth mHeight 8 32 mWidth 4 colorSpaceRef bitmapInfo provider NULL NO renderingIntent CFRelease colorSpaceRef return savedimageref The above code is tested and I..

Save OpenGL Drawn item as a Image

http://stackoverflow.com/questions/9660723/save-opengl-drawn-item-as-a-image

NULL prep the ingredients int bitsPerComponent 8 int bitsPerPixel 32 int bytesPerRow 4 320 CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. make the cgimage CGImageRef imageRef CGImageCreate 320 480 bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider NULL NO renderingIntent then make the uiimage from that UIImage myImage UIImage imageWithCGImage imageRef..

Saving imageRef from GLPaint creates completely black image

http://stackoverflow.com/questions/9857912/saving-imageref-from-glpaint-creates-completely-black-image

NULL prep the ingredients int bitsPerComponent 8 int bitsPerPixel 32 int bytesPerRow 4 w s CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault.. make the cgimage CGImageRef imageRef CGImageCreate w s h s bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider NULL NO renderingIntent then make the uiimage from that UIImage myImage UIImage imageWithCGImage imageRef.. myImage nil nil nil CGImageRelease imageRef CGDataProviderRelease provider CGColorSpaceRelease colorSpaceRef free buffer2 Adding the above code to the Sample app works fine the problem is doing it in my new app. The only difference..