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Add a shadow to the color wheel marker in the NanoVG demo

This commit is contained in:
Patrick Walton 2020-04-11 19:08:00 -07:00
parent def7da5de2
commit 3e9558957f
1 changed files with 5 additions and 2 deletions
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7
examples/canvas_nanovg/src/main.rs
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@ -596,12 +596,15 @@ fn draw_color_wheel(context: &mut CanvasRenderingContext2D, rect: RectF, time: f
context.translate(center);
context.rotate(hue);
// Draw marker.
context.set_shadow_blur(4.0);
context.set_shadow_color(rgbau(0, 0, 0, 128));
context.set_shadow_offset(vec2f(0.0, 0.0));
context.set_stroke_style(rgbau(255, 255, 255, 192));
context.set_line_width(2.0);
context.stroke_rect(RectF::new(vec2f(inner_radius - 1.0, -3.0),
vec2f(outer_radius - inner_radius + 2.0, 6.0)));
// TODO(pcwalton): Marker fill with box gradient
context.set_shadow_color(ColorU::transparent_black());
// Draw center triangle.
let triangle_radius = inner_radius - 6.0;