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internal/restorable: update comments

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Hajime Hoshi 2022-09-14 02:20:11 +09:00
parent 6179158812
commit 18fa00d25d
1 changed files with 2 additions and 3 deletions
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5
internal/restorable/image.go
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@ -213,8 +213,7 @@ func (i *Image) Extend(width, height int) *Image {
}
newImg.DrawTriangles(srcs, offsets, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeCopy, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, nil, nil, false)
// Overwrite the history as if the image newImg is created only by WritePixels. Now drawTrianglesHistory
// and basePixels cannot be mixed.
// Overwrite the history as if the image newImg is created only by WritePixels.
newImg.clearDrawTrianglesHistory()
newImg.basePixels = i.basePixels
newImg.stale = i.stale
@ -336,7 +335,7 @@ func (i *Image) WritePixels(pixels []byte, x, y, width, height int) {
return
}
// drawTrianglesHistory and basePixels cannot be mixed.
// Records for DrawTriangles cannot come after records for WritePixels.
if len(i.drawTrianglesHistory) > 0 {
i.makeStale(image.Rect(0, 0, i.width, i.height))
return