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2014/10/15 ¤U¤È 10:05:31

iphone Programming Glossary: contextref

matchTemplate opencv not working as shown in opencv document

http://stackoverflow.com/questions/12049358/matchtemplate-opencv-not-working-as-shown-in-opencv-document

CGFloat cols image.size.width CGFloat rows image.size.height CGFloat widthStep image.size.width CGContextRef contextRef CGBitmapContextCreate NULL cols rows 8 widthStep 4 colorSpace kCGImageAlphaNoneSkipLast kCGBitmapByteOrderDefault CGContextDrawImage.. NULL cols rows 8 widthStep 4 colorSpace kCGImageAlphaNoneSkipLast kCGBitmapByteOrderDefault CGContextDrawImage contextRef CGRectMake 0 0 cols rows image.CGImage CGContextSetRGBStrokeColor contextRef 1 0 0 1 CGImageRef cgImage CGBitmapContextCreateImage.. CGContextDrawImage contextRef CGRectMake 0 0 cols rows image.CGImage CGContextSetRGBStrokeColor contextRef 1 0 0 1 CGImageRef cgImage CGBitmapContextCreateImage contextRef UIImage result UIImage imageWithCGImage cgImage CGImageRelease..

OpenCV install in xcode

http://stackoverflow.com/questions/12214273/opencv-install-in-xcode

CGFloat cols image.size.width CGFloat rows image.size.height CGFloat widthStep image.size.width CGContextRef contextRef CGBitmapContextCreate NULL cols rows 8 widthStep 4 colorSpace kCGImageAlphaNoneSkipLast kCGBitmapByteOrderDefault CGContextDrawImage.. NULL cols rows 8 widthStep 4 colorSpace kCGImageAlphaNoneSkipLast kCGBitmapByteOrderDefault CGContextDrawImage contextRef CGRectMake 0 0 cols rows image.CGImage CGContextSetRGBStrokeColor contextRef 1 0 0 1 CGImageRef cgImage CGBitmapContextCreateImage.. CGContextDrawImage contextRef CGRectMake 0 0 cols rows image.CGImage CGContextSetRGBStrokeColor contextRef 1 0 0 1 CGImageRef cgImage CGBitmapContextCreateImage contextRef UIImage result UIImage imageWithCGImage cgImage CGImageRelease..

How to erase part of an image as the user touches it

http://stackoverflow.com/questions/2978382/how-to-erase-part-of-an-image-as-the-user-touches-it

IplImage iplimage cvCreateImage cvSize image.size.width image.size.height IPL_DEPTH_8U 4 CGContextRef contextRef CGBitmapContextCreate iplimage imageData iplimage width iplimage height iplimage depth iplimage widthStep colorSpace.. depth iplimage widthStep colorSpace kCGImageAlphaPremultipliedLast kCGBitmapByteOrderDefault CGContextDrawImage contextRef CGRectMake 0 0 image.size.width image.size.height imageRef CGContextRelease contextRef CGColorSpaceRelease colorSpace return.. CGContextDrawImage contextRef CGRectMake 0 0 image.size.width image.size.height imageRef CGContextRelease contextRef CGColorSpaceRelease colorSpace return iplimage UIImage UIImageFromIplImage IplImage image Convert a IplImage UIImage CGColorSpaceRef..