Gob0 Posted November 26, 2015 Share Posted November 26, 2015 Hi, i have to draw full circle (color can change at any time) on on image BUT i need to keep black points (other colors can be redraw with circle color). In the first version, i use a bitmapdata to store image and another bitmapdata for circle. To draw circle and keep black points, i iterate through circle points coordinates and check if point on image is black or not. It works pretty fine but is a bit (to be gentle) slow on tablet. After looking in examples, i discovered "alphaMask" and it seems very quick. So i'm wondering: is there a simple way to achieve my goal using alphaMask? Thx for your help and advices. Gauthier. Link to comment Share on other sites More sharing options...
Gob0 Posted November 28, 2015 Author Share Posted November 28, 2015 Nobody? Link to comment Share on other sites More sharing options...
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