I have a CGPoin开发者_Python百科tApplyAffine which is giving me negative values such as -161 for x and -58 for y.
I\'m a beginner developing apps for Iphone and was wondering if is possible to do the following: I have an image .png wich is a simple draw of a figure bounded with black edges and empty areas. I won
How do i draw truncated text with ATSUI?? I have a legacy app which uses QuickDraw API. it uses StringWidth , TruncString and DrawString functions. 开发者_C百科I could replace the StringWidth and Draw
Is it possible on an iPhone app to take a picture and extract an string from the picture?We\'d like to make our app to look for a serial number on a database (very long number) without the user开发者_
I\'m trying to write an iPhone app that takes PNG tilesets and displays segments of them on-screen, and I\'m trying to get it to refresh the whole screen at 20fps.Currently I\'m managing about 3 or 4f
I have a UITableViewCell drawn using drawRect:. I\'m drawing an shape in drawRect and would like to animate this shape (using some parameter) when using the cell goes into edit mode.
I am pretty sure this is a straightforward problem I must be confused about (I am a total newbie on the iPhone): I am trying to continuously draw shapes using the CG APIs into a bitmap object, and to
Anyone know iOS library or sample for drawing diagrams like mind maps/ visio/ graphing sw. Doesnt have to be full library or full example.
UPDATE: Images who are projected on the MKMapView using a MKOverlayView use the Mercator projection, while the image that I use as input data uses a WGS84 projection. Is there a way to convert the i
I need to create a grouped tableview with gradient on its border (not on its cells). I mad开发者_如何学Ce some research on the web but I\'m not sure I understand how to proceed.
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