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restorable: Bug fix: Skip clearImage on emptyImage when restoring

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This commit is contained in:
Hajime Hoshi 2019-08-15 21:53:43 +09:00
parent 01297fe015
commit 9467a67136
1 changed files with 5 additions and 1 deletions
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6
internal/restorable/image.go
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@ -500,7 +500,11 @@ func (i *Image) restore() {
gimg := graphicscommand.NewImage(w, h)
// Clear the image explicitly.
clearImage(gimg)
if i != emptyImage {
// As clearImage uses emptyImage, clearImage cannot be called on emptyImage.
// It is OK to skip this since emptyImage has its entire pixel information.
clearImage(gimg)
}
i.basePixels.Apply(gimg)
for _, c := range i.drawTrianglesHistory {