Change color of pixel based on touch point

Change color of pixel based on touch point

References

Reference NO 1

http://stackoverflow.com/questions/15188059/change-color-of-pixel-based-on-touch-point

Reference NO 2

http://stackoverflow.com/questions/1285621/iphone-objective-c-how-to-get-a-pixels-color-of-the-touched-point-on-an-uiimag

Reference NO 3

http://www.markj.net/iphone-uiimage-pixel-color/

Reference NO 4

http://iphonedevsdk.com/forum/iphone-sdk-development/89839-coloring-a-pixel-in-uiimageview.html

Reference NO 5

http://www.cocos2d-iphone.org/forums/topic/how-to-get-pixel-color-within-texture/

Reference NO 6

http://www.georeference.org/doc/paint_bucket_tool.htm

Reference NO 7

https://itunes.apple.com/us/app/pixel-colors-puzzle-game/id545071430?mt=8

Reference NO 8

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