Mojo function 🡭

fill_mask

fn def fill_mask(mut canvas: Canvas, mask: Mask, color: Color, x: Int = Int(0), y: Int = Int(0))

Paint color through mask, its top-left corner at (x, y): each pixel the mask covers is written with the color’s alpha scaled by the coverage there. Goes through set_pixel, so the active clip and blend mode apply, and the part of the mask off the canvas is skipped.

Args:

• canvas (Canvas): Canvas painted into.
• mask (Mask): Coverage to paint through.
• color (Color): Color painted. Its own alpha compounds with the coverage.
• x (Int): Canvas column of the mask’s left edge.
• y (Int): Canvas row of the mask’s top edge.