Dipping my feet into some more Core Graphics drawing, I\'m attempting to recreate a wicked looking metallic knob, and I\'ve landed on what is probably a show-stopping issue.
Is there a开发者_StackOverflow社区ny way by which it is possible to uniquely identify CGContextRef?
i have wrote a subclass of UIView, which in drawRect: draws itself. it is actually something like day-long timeline for movie - it draws time axis with ticks and time text labels. it can be zoomed in
I\'ve just finished waveform drawing code for my app. I\'m pretty happy with it and on the simulator it looks great.
I have an icon image I would like to draw a 1px, colored 0.5 opacity line around, inside the image (similar to Stroke layer style with position:inside in Photoshop). So far I\'ve tried this:
I want to draw a Linear Gradient and turn it into a circle, so that it looks like this at the end. Since this isn\'t a开发者_运维技巧 usual linear gradient, nor a real radial gradient, I do not have
I am using a window that uses a subclass of NSView.Part of it is drawn when the program starts, another part needs to be drawn when the user clicks on a button in another window.The code for the other
I have a triangle solver, I want a way to use the values I get fr开发者_JAVA百科om the answer to draw a triangle to the screen that matches it. If you subclass a UIView you can implement something lik
Searching the web for about 4 hours not getting an answer so: How to draw a shadow on a path which has transparency?
I have a pie chart and I\'m placing labels like 5%, 10%, etc around the pie chart.I find the exact center point of that pie segment, by rotating, and translating my coordinate system.In the end, I bas