I am creating an app that allows the user to do some hand-drawing. The problem is I draw lines between the points where the开发者_JAVA百科 user moved his finger so the resulting shape is somewhat jagg
I\'m trying to get my开发者_如何学C head around Core Graphics and Core Animation.I understand the following:
I am using TdCalendarView code by Tinyfool in my project in which all calendar is designed using core graphics.I want to color rows of this calendar with tw开发者_Go百科o alternate colors.How can I do
i want to align my CALayer to be centered around a point that i get, but im not really that familiar with calayers, dont think they have a center property, ive had some luck with setting the whole fra
I discovered that CGBitmapContextCreateImage() creates an image, which is not neccessarily always a mask compatible with CGContextClipToMask(). But when using CGImageMaskCreate(), the CGImageRef is al
I\'m drawing text in -drawRect with this method: [someText drawInRect:rect withFont:font lineBreakMode:someLineBreakMode alignment:someAlignment];
On the iPhone I would like to display images of size 60 * 60 at a time, with 3 of them on each row. I\'ve managed to get the first row with 3 images, but I\'m having trouble with the rest. Here is wha
so--i switched o开发者_如何学JAVAn \"color misaligned images\" to improve drawing performance in our app. The documentation states:
Not a CoreGraphics expert, I\'d really appreciate some help. I\'m trying to create a mask from a path. (See red path in image).
I\'ve a got a loop running at a separate thread updating the location and rotation of stuff, it runs at more than enough FPS and calls setNeedsDisplay on the main thread in t开发者_Python百科he end. T
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