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2014/10/15 ¤U¤È 10:13:17
iphone Programming Glossary: renderingintenthttp://stackoverflow.com/questions/2475450/extracting-images-from-a-pdf interpolation 0 NSString colorSpace nil CGColorSpaceRef cgColorSpace const char name NULL colorSpaceName NULL renderingIntentName NULL CFDataRef imageDataPtr NULL CGImageRef cgImage maskImage NULL CGImageRef sourceImage NULL CGDataProviderRef dataProvider.. CGImageRef cgImage maskImage NULL CGImageRef sourceImage NULL CGDataProviderRef dataProvider CGColorRenderingIntent renderingIntent CGFloat decodeValues NULL UIImage image if myStream NULL return nil dataStream myStream dict CGPDFStreamGetDictionary dataStream.. nil if CGPDFDictionaryGetBoolean dict Interpolate interpolation interpolation NO if CGPDFDictionaryGetName dict Intent renderingIntentName renderingIntent kCGRenderingIntentDefault else renderingIntent kCGRenderingIntentDefault renderingIntent renderingIntentFromName..
Image processing Glamour filter in iphone http://stackoverflow.com/questions/3549396/image-processing-glamour-filter-in-iphone colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef.. CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider2 NULL NO renderingIntent CGColorSpaceRelease colorSpaceRef YOU CAN RELEASE THIS NOW CGDataProviderRelease provider2 YOU CAN RELEASE THIS NOW CFRelease..
Creating UIImage from raw RGBA data http://stackoverflow.com/questions/4545237/creating-uiimage-from-raw-rgba-data colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGImageRef imageRef CGImageCreate width height 8 32 4 width colorSpaceRef bitmapInfo.. 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 imageRef CGImageGetHeight imageRef..
take screen Programmatically of UIview+glview http://stackoverflow.com/questions/6197137/take-screen-programmatically-of-uiviewglview colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault make the cgimage CGImageRef imageRef CGImageCreate width height bitsPerComponent bitsPerPixel.. CGImageCreate width height bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider NULL NO renderingIntent then make the uiimage from that UIImage myImage UIImage imageWithCGImage imageRef return myImage iphone opengl es share..
How to make one color transparent on a UIImage? http://stackoverflow.com/questions/633722/how-to-make-one-color-transparent-on-a-uiimage colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGContextRef cgctx CGBitmapContextCreate bufferdata mWidth mHeight 8 mWidth 4 colorSpaceRef kCGImageAlphaPremultipliedFirst.. 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 changed the green color to red color by using..
Save OpenGL Drawn item as a Image http://stackoverflow.com/questions/9660723/save-opengl-drawn-item-as-a-image colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault make the cgimage CGImageRef imageRef CGImageCreate 320 480 bitsPerComponent bitsPerPixel bytesPerRow.. imageRef CGImageCreate 320 480 bitsPerComponent bitsPerPixel bytesPerRow colorSpaceRef bitmapInfo provider NULL NO renderingIntent then make the uiimage from that UIImage myImage UIImage imageWithCGImage imageRef return myImage For Ipad or to fix the..
Saving imageRef from GLPaint creates completely black image http://stackoverflow.com/questions/9857912/saving-imageref-from-glpaint-creates-completely-black-image colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo kCGBitmapByteOrderDefault CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault make the cgimage CGImageRef imageRef CGImageCreate w s h s bitsPerComponent bitsPerPixel bytesPerRow.. 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 scale s orientation UIImageOrientationUp..
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