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2014/10/15 ¤U¤È 10:05:47

iphone Programming Glossary: ctxt

OpenGL ES 2.0 / MonoTouch: Texture is colorized red

http://stackoverflow.com/questions/7986153/opengl-es-2-0-monotouch-texture-is-colorized-red

as an ARGB Bitmap protected IntPtr RequestImagePixelData UIImage inImage var imageSize inImage.Size CGBitmapContext ctxt CreateARGBBitmapContext inImage.CGImage var rect new RectangleF 0.0f 0.0f imageSize.Width imageSize.Height ctxt.DrawImage.. ctxt CreateARGBBitmapContext inImage.CGImage var rect new RectangleF 0.0f 0.0f imageSize.Width imageSize.Height ctxt.DrawImage rect inImage.CGImage var data ctxt.Data return data I think the channels are inverted but maybe there is a way.. var rect new RectangleF 0.0f 0.0f imageSize.Width imageSize.Height ctxt.DrawImage rect inImage.CGImage var data ctxt.Data return data I think the channels are inverted but maybe there is a way to invert the bitmap without some custom code...

Why is XCode archive acting different than XCode build/run on iPhone

http://stackoverflow.com/questions/8813711/why-is-xcode-archive-acting-different-than-xcode-build-run-on-iphone

a static call in a helper class UIImage rotateImage UIImage image CGRect bnds CGRectZero UIImage copy nil CGContextRef ctxt nil CGImageRef imag image.CGImage CGRect rect CGRectZero CGAffineTransform tran CGAffineTransformIdentity rect.size.width.. rect.size.height 0.0 tran CGAffineTransformRotate tran M_PI 2.0 UIGraphicsBeginImageContext bnds.size ctxt UIGraphicsGetCurrentContext CGContextScaleCTM ctxt 1.0 1.0 CGContextTranslateCTM ctxt rect.size.height 0.0 CGContextConcatCTM.. tran M_PI 2.0 UIGraphicsBeginImageContext bnds.size ctxt UIGraphicsGetCurrentContext CGContextScaleCTM ctxt 1.0 1.0 CGContextTranslateCTM ctxt rect.size.height 0.0 CGContextConcatCTM ctxt tran CGContextDrawImage UIGraphicsGetCurrentContext..