Hi,
I'm trying to do some animation where each time drawRect is called it's
drawing over what was previously drawn, but something is erasing the
view. I've setBackgroundColor for the window to clearColor so it's no
longer drawing the default stripes but now it's erasing to black.
Any ideas?
On Thu, Aug 14, 2008 at 4:42 PM, <[EMAIL PROTECTED]> wrote:
> I'm trying to do some animation where each time drawRect is called it's
> drawing over what was previously drawn, but something is erasing the view.
> I've setBackgroundColor for the window to clearColor so it's no longer
> drawing the
Hi,
>Are you calling drawRect yourself? Don't.
No I'm calling setNeedsDisplay with a timer.
thanks
Jeff
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Hey Jeff -
The expectation of drawRect is that it will repaint the entire invalid
area. I don't think there is a way to do additive drawing on each call
to draw rect. If you'd like to re-use and erase portions of the same
picture, you could draw to a bitmap context that you keep around and
On 14.08.2008, at 22:42, [EMAIL PROTECTED] wrote:
I'm trying to do some animation where each time drawRect is called
it's drawing over what was previously drawn, but something is
erasing the view. I've setBackgroundColor for the window to
clearColor so it's no longer drawing the default str
