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shareable: Refactoring

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This commit is contained in:
Hajime Hoshi 2018-06-26 01:59:12 +09:00
parent b1e4c3c8f0
commit dec921809b
1 changed files with 7 additions and 4 deletions
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11
internal/shareable/shareable.go
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@ -94,17 +94,20 @@ type Image struct {
backend *backend backend *backend
// If node is nil, the image is not shared.
node *packing.Node node *packing.Node
} }
func (i *Image) isShared() bool {
return i.node != nil
}
func (i *Image) ensureNotShared() { func (i *Image) ensureNotShared() {
if i.backend == nil { if i.backend == nil {
i.allocate(false) i.allocate(false)
return return
} }
if i.node == nil { if !i.isShared() {
return return
} }
@ -124,7 +127,7 @@ func (i *Image) region() (x, y, width, height int) {
if i.backend == nil { if i.backend == nil {
panic("not reached") panic("not reached")
} }
if i.node == nil { if !i.isShared() {
w, h := i.backend.restorable.Size() w, h := i.backend.restorable.Size()
return 0, 0, w, h return 0, 0, w, h
} }
@ -223,7 +226,7 @@ func (i *Image) dispose(markDisposed bool) {
return return
} }
if i.node == nil { if !i.isShared() {
i.backend.restorable.Dispose() i.backend.restorable.Dispose()
return return
} }