2014/10/15 下午 10:05:04

iphone Programming Glossary: cgimagegetbytesperrow

How to change thin image to fat image in iPhone SDK?

http://stackoverflow.com/questions/10186200/how-to-change-thin-image-to-fat-image-in-iphone-sdk

CGImageGetBitsPerComponent imageRef size_t bitsPerPixel CGImageGetBitsPerPixel imageRef size_t bytesPerRow CGImageGetBytesPerRow imageRef CGColorSpaceRef colorspace CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo CGImageGetBitmapInfo imageRef CGDataProviderRef..

Any idea why this image masking code does not work?

http://stackoverflow.com/questions/1133248/any-idea-why-this-image-masking-code-does-not-work

CGImageGetWidth maskRef CGImageGetHeight maskRef CGImageGetBitsPerComponent maskRef CGImageGetBitsPerPixel maskRef CGImageGetBytesPerRow maskRef CGImageGetDataProvider maskRef NULL false CGImageRef masked CGImageCreateWithMask image CGImage mask return UIImage..

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

UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetWidth targetHeight CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo else bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent.. bitmapInfo else bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo if sourceImage.imageOrientation UIImageOrientationLeft CGContextRotateCTM bitmap radians..

How to Rotate a UIImage 90 degrees?

http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees

UIImageOrientationDown bitmap CGBitmapContextCreate NULL targetHeight targetWidth CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo else bitmap CGBitmapContextCreate NULL targetWidth targetHeight CGImageGetBitsPerComponent.. bitmapInfo else bitmap CGBitmapContextCreate NULL targetWidth targetHeight CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo if sourceImage.imageOrientation UIImageOrientationRight CGContextRotateCTM bitmap radians..

How do I create/render a UIImage from a 3D transformed UIImageView?

http://stackoverflow.com/questions/1949003/how-do-i-create-render-a-uiimage-from-a-3d-transformed-uiimageview

indexOutput 3 255.0 ctx CGBitmapContextCreate outputData CGImageGetWidth imageRef CGImageGetHeight imageRef 8 CGImageGetBytesPerRow imageRef CGImageGetColorSpace imageRef kCGImageAlphaPremultipliedLast imageRef CGBitmapContextCreateImage ctx UIImage rawImage..

Inner Shadow in UILabel

http://stackoverflow.com/questions/3231690/inner-shadow-in-uilabel

CGImageGetWidth shape CGImageGetHeight shape CGImageGetBitsPerComponent shape CGImageGetBitsPerPixel shape CGImageGetBytesPerRow shape CGImageGetDataProvider shape NULL false return mask void drawRect CGRect rect UIFont font UIFont fontWithName @..

iPhone SDK: accessing indexed color PNG images

http://stackoverflow.com/questions/3251595/iphone-sdk-accessing-indexed-color-png-images

if rawbuf printf rawbuf failed n nsdata getBytes rawbuf int w CGImageGetWidth img int h CGImageGetHeight img int bpl CGImageGetBytesPerRow img printf width d d bpl height d pixels d bytes d n w bpl h bpl h nsdata length if nsdata length bpl h printf d pixels..

UIImage - implementing an auto levels algorithm

http://stackoverflow.com/questions/3278560/uiimage-implementing-an-auto-levels-algorithm

origImage CGImageGetHeight origImage CGImageGetBitsPerComponent origImage CGImageGetBitsPerPixel origImage CGImageGetBytesPerRow origImage CGImageGetColorSpace origImage CGImageGetBitmapInfo origImage CGImageGetDataProvider origImage decode..

how to add watermark on a exist image

http://stackoverflow.com/questions/4068035/how-to-add-watermark-on-a-exist-image

maskRef CGImageGetHeight maskRef CGImageGetBitsPerComponent maskRef CGImageGetBitsPerPixel maskRef CGImageGetBytesPerRow maskRef CGImageGetDataProvider maskRef NULL false CGImageRef masked CGImageCreateWithMask image CGImage mask return UIImage..

iPhone - CGImageCreateWithImageInRect rotating some camera roll pictures

http://stackoverflow.com/questions/5076617/iphone-cgimagecreatewithimageinrect-rotating-some-camera-roll-pictures

CGContextRef bitmap CGBitmapContextCreate NULL rect.size.width rect.size.height CGImageGetBitsPerComponent imageRef CGImageGetBytesPerRow imageRef colorSpaceInfo bitmapInfo if originalImage.imageOrientation UIImageOrientationLeft CGContextRotateCTM bitmap radians..

How to Mask an UIImageView

http://stackoverflow.com/questions/5757386/how-to-mask-an-uiimageview

CGImageGetWidth maskRef CGImageGetHeight maskRef CGImageGetBitsPerComponent maskRef CGImageGetBitsPerPixel maskRef CGImageGetBytesPerRow maskRef CGImageGetDataProvider maskRef NULL false CGImageRef maskedImageRef CGImageCreateWithMask image CGImage mask UIImage..

Getting RGB pixel data from CGImage

http://stackoverflow.com/questions/6073259/getting-rgb-pixel-data-from-cgimage

cgimage image.CGImage size_t width CGImageGetWidth cgimage size_t height CGImageGetHeight cgimage size_t bpr CGImageGetBytesPerRow cgimage size_t bpp CGImageGetBitsPerPixel cgimage size_t bpc CGImageGetBitsPerComponent cgimage size_t bytes_per_pixel bpp.. d n CGImageGetWidth d n CGImageGetColorSpace @ n CGImageGetBitsPerPixel d n CGImageGetBitsPerComponent d n CGImageGetBytesPerRow d n CGImageGetBitmapInfo 0x .8X n kCGBitmapAlphaInfoMask s n kCGBitmapFloatComponents s n kCGBitmapByteOrderMask 0x .8X.. CGColorSpace 0x4d08ff0 kCGColorSpaceDeviceRGB CGImageGetBitsPerPixel 32 CGImageGetBitsPerComponent 8 CGImageGetBytesPerRow 20 CGImageGetBitmapInfo 0x00000003 kCGBitmapAlphaInfoMask YES kCGBitmapFloatComponents NO kCGBitmapByteOrderMask NO kCGBitmapByteOrderDefault..

Is there an SDK to draw lines on iOS with touch?

http://stackoverflow.com/questions/6774352/is-there-an-sdk-to-draw-lines-on-ios-with-touch

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

CGImageGetHeight originalImage CGImageGetBitsPerComponent originalImage CGImageGetBitsPerPixel originalImage CGImageGetBytesPerRow originalImage CGImageGetColorSpace originalImage CGImageGetBitmapInfo originalImage imageDataProvider CGImageGetDecode originalImage..