I am making an iPhone application that loads an image from the camera, and then the user can select a second image from the library, move/scale/rotate that second image, and then save the result. I us
I am using the framework of route-me for working with locations. In this code the path between two markers(points) will be drawn as a line.
I want to draw this in my view to draw this line, I have everything I need to make a basic line, but am just not good at drawing, I did in fact try to do this开发者_如何学运维, but just cannot get it
I want to be able to draw using this as my stroke. How would I do this as efficient as possi开发者_如何学Cble, and on the fly drawing, I was thinking CGPatternRef, but I really don\'t know how to do t
While I was going thru the pdf document in quartz 2D, they were saying about getting a page from the CGPDFDocument object. Then the draw the page in a CGContextRef object.
I\'m using this code in my UIView subclass to draw a circle with a gradient fill: - (void)drawRect:(CGRect)rect {
I want to create a bitmap CGContext with the same color space as an existing CGContext. How can I get开发者_C百科 the UIColor space of a CGContext?You need to call CGBitmapContextGetColorSpace to get
I create a circle with a nice shadow with this code (I use MonoTouch.net for iPhone, Objective-C answers are fine of course)
I w开发者_如何转开发ant to be able to do something like take a picture of a chalkboard and search for what the teacher wrote and then delete the chalkboard and make like a CGContext Path of what the t
I have an app that uses cgcontext to draw things onto a UIImageView that the user d开发者_开发问答raws using touch events, and I want to be able to undo the drawings made by the user.
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