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vector: add a comment about blend

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Updates #2396
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Hajime Hoshi 2022-10-18 23:50:54 +09:00
parent e4b056bac6
commit 9a82e5cf86
1 changed files with 3 additions and 0 deletions
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vector/path.go
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@ -319,6 +319,9 @@ func (p *Path) Arc(x, y, radius, startAngle, endAngle float32, dir Direction) {
//
// The returned values are intended to be passed to DrawTriangles or DrawTrianglesShader with EvenOdd fill mode
// in order to render a complex polygon like a concave polygon, a polygon with holes, or a self-intersecting polygon.
//
// The returned vertices and indices should be rendered with a solid (non-transparent) color with the default Blend (source-over).
// Otherwise, there is no guarantee about the rendering result.
func (p *Path) AppendVerticesAndIndicesForFilling(vertices []ebiten.Vertex, indices []uint16) ([]ebiten.Vertex, []uint16) {
// TODO: Add tests.