I\'m a bit new to objective-c and even newer at programming with Quartz 2D, so apologies in advance!I\'ve got a method where I would like to remove a handful of specific colors (not just one) from a U
I\'m trying to draw using Quartz2D and but i\'m finding the drawing to lag a lot right after a few dots. Therefore I am wondering how can I cach开发者_开发百科e the current context into a bmp or a jpg
I\'m writing an audio waveform editor in Cocoa with a wide range of zoom options. At its widest, it shows a waveform for an entire song (~10 million samples in view). At its narrowest, it shows a pixe
I\'ve been banging my head against the wall for a long while trying to figure out why this is not working.
I\'m using quartz to display pdf. I need to get the indexes of pages where my searching text exists. Anyone can help me? Thanks.
I\'m trying to develop an app that requires drawing based on user touch. I\'m using Quartz2D a开发者_如何转开发nd CoreGraphics for drawing, now I\'m wondering what\'s a good way to manage the points t
I\'m trying to figure out how you can flatten or merge alot of dynamicly drawn lines in Quartz 2D, I\'m drawing random lines over time on my stage, I add new line coordinates each time to an array a
I am using following code for Drawing Arc in DrawRect...I want to draw Arc onlywith gradient effect ...any help please?
I need to create a view (a uibutton) of strange shape. Is this possible with quartz2d? i used this code for buil my UIView subclass
I want to get the position of a view while it is being animated and moving from one position to another
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