I am performing some CG drawing operations into a CGContext that I created for an MKMapOverlay开发者_StackOverflow中文版View.After drawing into my context, I create an image and paste it into the cont
I wrote a view to render a PDF Page: -(UIPDFRenderView*) initWithFrame:(CGRect)frame withDocument:(CGPDFDocumentRef*)document withPageNumber:(int)pageNumber
The console is showing following statements every time I run my application either on simulator or on iPhone.
Rundown of Problem I an iPad app with a UIImageView inside of a UIScrollView. I want the user to be able to draw on-top of the UIImageView by using a stylus and/or their finger.
I have an icon image I would like to draw a 1px, colored 0.5 opacity line around, inside the image (similar to Stroke layer style with position:inside in Photoshop). So far I\'ve tried this:
I am using a CGContextRef in my iOS application to create a PDF, along with some utility methods that I created to draw items such as lines, text, images, etc.
I\'m new to iPhone drawing field. I need to draw simple drawing on iPad. After I clicked button (that I created on same UIView)I need to erase those lines I was drawn.
I\'m developing an Mac application on Mac OS X 10.6 using Cocoa and Xcode4, after get image from camera buffer, I need to get the image\'s raw data. Here is the code:
I drew a line on UIView. It\'s working properly. I did the same thing as described here : [question]:http://stackoverflow.co开发者_如何学Pythonm/questions/2595446/drawing-an-image-is-completely-out
I wrote the following code in ViewDidLoad // Implement viewDidLoad to do additional setup after loading the view, typicallyfroma nib.
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