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gg: add Context.draw_cubic_bezier_recursive/2 and Context.draw_cubic_bezier_recursive_scalar/9 (#21749)

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Delyan Angelov 2024-06-28 08:30:45 +03:00 • committed by GitHub
parent fccd7cd02e
commit 4c42fe3420
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3 changed files with 72 additions and 3 deletions
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vlib/gg/draw.c.v
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@ -964,7 +964,7 @@ pub fn (ctx &Context) draw_cubic_bezier(points []f32, c gx.Color) {
// The four points is provided as one `points` array which contains a stream of point pairs (x and y coordinates).
// Thus a cubic Bézier could be declared as: `points := [x1, y1, control_x1, control_y1, control_x2, control_y2, x2, y2]`.
pub fn (ctx &Context) draw_cubic_bezier_in_steps(points []f32, steps u32, c gx.Color) {
if steps <= 0 || points.len != 8 {
if steps <= 0 || steps >= 20000 || points.len != 8 {
return
}
if c.a != 255 {