We are devloping a Drawing app. In that when we draw crossed lines ,the intersection point clears the previously drawn pixels where both lines intersects eachother.We are using setneedsdisplayinrect to refresh the drawing data.
We are devloping a Drawing app. In that when we draw crossed lines ,the intersection point clears the previously drawn pixels where both lines intersects eachother.We are using setneedsdisplayinrect to refresh the drawing data.
