Hi guys I am getting 0 for RGB values in this code. Any idea why? The inImage was created with this CGContext.
I am writing an iPhone app in which I place a large PNG image (1936 × 2967) on an MKMapView using MKOverlayView. I am a little confused about how to appropriately implement the drawMapRect: functio
I\'m trying to create an IP Camera application for iPhone using mono touch. To get the camera feed, I call the CGImage.ScreenImage method continuously and convert the resulting UIImage into a byte arr
I\'m trying to get 开发者_如何转开发an image of an offscreen window to use in a CALayer-based animation, but no matter which method I try I cannot get an image out the other side. Here is the code I\'
I have a UIView with UIImageView as its subview and i need to change the image in that view while the user开发者_开发百科 swipe it.
I want to write all frames to disk using QTKit.framework for camera input. But all the images I get are half transparent and without some colors, maybe colorspace problem? ;(
I any one have idea about taking snapshot from iphone application through coding. means. I am developing an iphone application where there will be two images dynamically comes. There will be a text
This project is a generic C++ plugin with core-graphics support. I am unable to convert a PicHandle to CGImageRef successfully. Saving off image from CFDataRef results in a bad image.
I\'d like to multiply r, g, b and a values of two CGImages, to use a single image as both a mask (in its alpha channel) and tint (in the rgb channels). I first tried simply:
I have an application that draws images from a CGImage. The CImage itself is loaded using a CGImageSourceCreateImageAtIndex to create an image from a PNG file.
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