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graphics: Add comments

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Hajime Hoshi 2018-10-26 03:29:20 +09:00
parent d3bd858aba
commit 5f04f05cb1
1 changed files with 2 additions and 0 deletions
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2
image.go
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@ -376,6 +376,8 @@ func (i *Image) drawImage(img *Image, options *DrawImageOptions) {
ca = body[15]
}
var vs []float32
// TODO: This is too tricky: src is a whole image when level == 0,
// or a part of the image when level > 0. Do refactoring.
if level == 0 {
vs = src.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty, cr, cg, cb, ca)
} else {