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shareable: Refactoring

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This commit is contained in:
Hajime Hoshi 2020-06-14 15:29:04 +09:00
parent d98713728a
commit 22919909d7
1 changed files with 12 additions and 12 deletions
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24
internal/shareable/image.go
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@ -244,10 +244,10 @@ func (i *Image) makeShared() error {
if err != nil { if err != nil {
return err return err
} }
pixels[4*(x+i.width*y)] = r pixels[4*(i.width*y+x)] = r
pixels[4*(x+i.width*y)+1] = g pixels[4*(i.width*y+x)+1] = g
pixels[4*(x+i.width*y)+2] = b pixels[4*(i.width*y+x)+2] = b
pixels[4*(x+i.width*y)+3] = a pixels[4*(i.width*y+x)+3] = a
} }
} }
newI.replacePixels(pixels) newI.replacePixels(pixels)
@ -403,30 +403,30 @@ func (i *Image) Fill(clr color.RGBA) {
delete(imagesToMakeShared, i) delete(imagesToMakeShared, i)
} }
func (i *Image) ReplacePixels(p []byte) { func (i *Image) ReplacePixels(pix []byte) {
backendsM.Lock() backendsM.Lock()
defer backendsM.Unlock() defer backendsM.Unlock()
i.replacePixels(p) i.replacePixels(pix)
} }
func (i *Image) replacePixels(p []byte) { func (i *Image) replacePixels(pix []byte) {
if i.disposed { if i.disposed {
panic("shareable: the image must not be disposed at replacePixels") panic("shareable: the image must not be disposed at replacePixels")
} }
if i.backend == nil { if i.backend == nil {
if p == nil { if pix == nil {
return return
} }
i.allocate(true) i.allocate(true)
} }
x, y, w, h := i.region() x, y, w, h := i.region()
if p != nil { if pix != nil {
if l := 4 * w * h; len(p) != l { if l := 4 * w * h; len(pix) != l {
panic(fmt.Sprintf("shareable: len(p) must be %d but %d", l, len(p))) panic(fmt.Sprintf("shareable: len(p) must be %d but %d", l, len(pix)))
} }
} }
i.backend.restorable.ReplacePixels(p, x, y, w, h) i.backend.restorable.ReplacePixels(pix, x, y, w, h)
} }
func (img *Image) Pixels(x, y, width, height int) ([]byte, error) { func (img *Image) Pixels(x, y, width, height int) ([]byte, error) {