Comments on: What Color is My Pixel? Image based color picker on iPhone

By: mahboud

mahboud — Sun, 22 Jan 2012 19:16:02 +0000

You may wish to CGBitmapContextCreate for an area the size of one pixel and then CGContextDrawImage just that pixel, saving some processing (and RAM).

By: Fatemeh

Fatemeh — Sat, 17 Dec 2011 08:02:16 +0000

So thanks, its very useful sample code.

By: Joe

Joe — Thu, 01 Dec 2011 06:09:15 +0000

Any way to make this work with the non-default contentMode. If I set it to UIViewContentModeScaleAspectFit it breaks.

By: 关于iOS下图像颜色检测、颜色匹配的解决方法 « 行者常至

关于iOS下图像颜色检测、颜色匹配的解决方法 « 行者常至 — Mon, 14 Nov 2011 08:02:27 +0000

[...] 宽松一点，则可以设大一点。参考文章：http://www.markj.net/iphone-uiimage-pixel-color/ Share this:TwitterFacebookLike this:LikeBe the first to like this post. [...]

By: fgerikeke

fgerikeke — Tue, 08 Nov 2011 17:12:47 +0000

Hy!

On ios5 drops this failure : ‘kCGColorSpaceGenericRGB’ is unavailable .

Whats wrong? please help me!

Thank you!