I\'m creating an image offscreen using a context from CGBitmapContextCreate(). While drawing text, I tried to use the:
I\'m trying to get my head around using QuartzCore to render semi-complex text/gradient/image UITableViewCell composites.Thankfully, Opacity will let me visually build the view and then spit out sourc
I have a CGImageRef and I want to display it on an NSView. I already have an CGImageRef from source path but the following doesn\'t work:
let me first off noting that I have absolutely no idea what I\'m doing with objective-c and mac development (though I\'m fine with c).I made a wonderfully simple graphics utility on leopard with the Q
The following is a snippet of code where I am trying to draw a circle but my x value prints as a constant value. It\'s most likely something very very simple. Thanks in advance for any help.
Hi i have a lot of image reading in my app and when I load the files i use CGImageGetWidth and CGImageGetHeight to get the sizes of the images.
I have a loop that fires a function 30 times per second. The function changes the position of a couple of points that I use to animate. I dra开发者_如何学编程w lines through all the points, meaning th
I have a subclass of UIView in which I\'ve added some subviews to in my initWithFrame method. I\'ve added a background, amongst other things.
I\'m making an iPhone-app with particles moving on a custom UIView, drawn with Core Graphics. I want my particles to leave a trace, so when the view is repainted I want it to fill the background with
CoreGraphics gives the possibility to render PDF documents, this is great. But it seems like it could support other types too like Word documents, HTML, RTF and others.
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