2014/10/15 下午 10:05:03

iphone Programming Glossary: cgdataproviderrelease

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

matchTemplate opencv not working as shown in opencv document

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

NULL false kCGRenderingIntentDefault UIImage finalImage UIImage imageWithCGImage imageRef CGImageRelease imageRef CGDataProviderRelease provider CGColorSpaceRelease colorSpace return finalImage cv Mat cvMatFromUIImage UIImage image CGColorSpaceRef colorSpace..

memory leak when using CGImageCreateWithJPEGDataProvider

http://stackoverflow.com/questions/12211158/memory-leak-when-using-cgimagecreatewithjpegdataprovider

this line. CGImageRef image CGImageCreateWithJPEGDataProvider jpgDataProvider NULL true kCGRenderingIntentSaturation CGDataProviderRelease jpgDataProvider ResultHolder result ResultHolder alloc initWithCGImage image sometimes memory leaks in this line. CGImageRelease..

OpenCV install in xcode

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

fastest way to draw a screen buffer on the iphone

http://stackoverflow.com/questions/2395650/fastest-way-to-draw-a-screen-buffer-on-the-iphone

set the UIWindow's CALayer's contents to the image yay works CGImageRelease cgIm we should do this at some stage... CGDataProviderRelease dataProvider animationTimer NSTimer scheduledTimerWithTimeInterval animationInterval target self selector @selector someRandomFunction..

Extracting images from a PDF

http://stackoverflow.com/questions/2475450/extracting-images-from-a-pdf

CGImageCreate width height bps bps spp rowBytes cgColorSpace 0 dataProvider decodeValues interpolation renderingIntent CGDataProviderRelease dataProvider cgImage sourceImage if maskImage NULL cgImage CGImageCreateWithMask sourceImage maskImage CGImageRelease sourceImage.. can't decode it sourceImage CGImageCreateWithJPEGDataProvider dataProvider decodeValues interpolation renderingIntent CGDataProviderRelease dataProvider cgImage sourceImage if maskImage NULL cgImage CGImageCreateWithMask sourceImage maskImage CGImageRelease.. renderingIntent CGImageSourceRef cgImageSource CGImageSourceCreateWithDataProvider dataProvider dictionary CGDataProviderRelease dataProvider cgImage sourceImage cgImage CGImageSourceCreateImageAtIndex cgImageSource 0 dictionary CFRelease dictionary..

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

NULL false kCGRenderingIntentDefault UIImage ret UIImage alloc initWithCGImage imageRef CGImageRelease imageRef CGDataProviderRelease provider CGColorSpaceRelease colorSpace data release return ret Now that you have both the basic functions you need you..

Image processing Glamour filter in iphone

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

colorSpaceRef bitmapInfo provider2 NULL NO renderingIntent CGColorSpaceRelease colorSpaceRef YOU CAN RELEASE THIS NOW CGDataProviderRelease provider2 YOU CAN RELEASE THIS NOW CFRelease bitmapData UIImage sepiaImage UIImage imageWithCGImage imageRef CGImageRelease..

MKOverlay View is blurred

http://stackoverflow.com/questions/4117182/mkoverlay-view-is-blurred

UTF8String CGImageRef image CGImageCreateWithJPEGDataProvider provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider save context before screwing with it CGContextSaveGState context CGContextScaleCTM context 1.0 1.0 CGContextSetAlpha..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

pictureURL CFRelease pictureURL image CGImageCreateWithPNGDataProvider provider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 200 200 207 385 image CGImageRelease image End image code Adding some..

How to draw a color wheel in objective-c

http://stackoverflow.com/questions/5108921/how-to-draw-a-color-wheel-in-objective-c

kCGImageAlphaLast dataProvider NULL 0 kCGRenderingIntentDefault UIImage image UIImage alloc initWithCGImage imageRef CGDataProviderRelease dataProvider CGColorSpaceRelease colorSpace CGImageRelease imageRef return image Adapted from Apple sample code. See http..

PDF Generation From UIScrollView + iphone

http://stackoverflow.com/questions/5268943/pdf-generation-from-uiscrollview-iphone

provider NULL TRUE kCGRenderingIntentDefault DataProvider NULL true kCGRenderingIntentDefault CGDataProviderRelease provider CGContextDrawImage pdfContext CGRectMake 0 0 768 1024 image CGImageRelease image CGContextEndPage pdfContext We..

Convert html file to PDF Document in iOS using Cocoa-Touch

http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch

Blur an UIImage on change of slider

http://stackoverflow.com/questions/8758433/blur-an-uiimage-on-change-of-slider

context CGBitmapContextGetBitmapInfo context dataProvider NULL true kCGRenderingIntentDefault CGDataProviderRelease dataProvider CGContextRelease context if destData free destData if finalData free finalData UIImage retUIImage UIImage imageWithCGImage..

How to convert CGFontRef to UIFont?

http://stackoverflow.com/questions/9205709/how-to-convert-cgfontref-to-uifont

fontPath UTF8String CGFontRef customFont CGFontCreateWithDataProvider fontDataProvider CGDataProviderRelease fontDataProvider How can I convert the CGFontRef to a UIFont to be used in UILabel setFont iphone ios uilabel uifont ..

Dispelling the UIImage imageNamed: FUD

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

CGImageGetDecode originalImage CGImageGetShouldInterpolate originalImage CGImageGetRenderingIntent originalImage CGDataProviderRelease imageDataProvider UIImage decompressedImage UIImage imageWithCGImage image CGImageRelease image The trade off with this..

Saving imageRef from GLPaint creates completely black image

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

scale s orientation UIImageOrientationUp UIImageWriteToSavedPhotosAlbum 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..