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Published on 2010-04-14T06:45:22Z
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Hi All,
I want to draw a sinusodial wave which varies with time on a UIView. What are the approaches should i take ? Any sample code is there ??
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Hi,
I've been trying to figure out how to draw a shadow for an UIView that was added inside a UIView with addSubview.
I searched online and read the docs, but the Apple docs simply draw new shapes as shown below. I want to use the Core Graphics to add a shadow to the UIView, but am unsure how to…
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I have a uiview class and i want to switch to other uiview class but without using addsubview
is there any other way to do that except the one (addSubView)
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Hi,
I have a UIViewController that I launch from a Xib file who's contain a UIView (0,0,320,480) and this UIView contain another UIView (0,0,320,250).
Inside my ViewController, I need to reload the second UIView bu clicking on a button, how to do that?
Thanks,
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Basically what I want to do is copy the already rendered content (a PDF drawn into the UIView's graphics context using CGContextDrawPDFPage()) onto a similar UIView, without having to re render the PDF. The idea is, that I'd then be able to perform an animated transform on the UIView and later re…
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Is there a simple way of allowing interaction with a button in a UIView that lies under another UIView - where there are no actual objects from the top UIView on top of the button?
For instance, at the moment I have a UIView (A) with an object at the top and an object at the bottom of the screen…
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how can i draw gradient line with quartz2d?
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How big of a difference is the description language of Quartz2d to OpenGL ES?
It seems they are similar in description power... except that Quartz is mostly 2d and that OpenGL is out of the box 3d ( but can be made 2d focused ).
Are the mappings from 2dQuartz to 2d OpenGL ES that different? Im…
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My understanding of quartz2d is that the code CGContextTranslateCTM(context, x, y); translates the coordinate system. I have a quartz2d view with lots of shapes on it, and the user needs to be able to pan around and zoom it. However, when using the CGContextScaleCTM(context, scaleX, scaleY); code…
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I'd like to draw the lines of a simple ruler with Quartz2D, just for practice.
Since I have no idea about doing vector graphics programmatically on the iPhone, maybe someone can point me to a good tutorial to get started?
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Hello Everybody !
This code i use to draw in my app. So i have problem, if i draw with alpha property = 1. It is very good but if i change alpha property = 0.2 then my paint is not good. How do i make for better with alpha property = 0.2.
http://www.flickr.com/photos/9601621@N05/page1/
Draw with…
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