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restorable: Remove (*Image).Size()

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This commit is contained in:
Hajime Hoshi 2019-09-21 05:40:05 +09:00
parent 629d58b93a
commit 3023cc69c3
2 changed files with 7 additions and 17 deletions
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21
internal/restorable/image.go
View File

@ -153,9 +153,8 @@ func NewImage(width, height int) *Image {
//
// Extend panics when the image is stale.
func (i *Image) Extend(width, height int) *Image {
w, h := i.Size()
if w > width || h > height {
panic(fmt.Sprintf("restorable: the original size (%d, %d) cannot be extended to (%d, %d)", w, h, width, height))
if i.width > width || i.height > height {
panic(fmt.Sprintf("restorable: the original size (%d, %d) cannot be extended to (%d, %d)", i.width, i.height, width, height))
}
if i.stale {
@ -298,12 +297,6 @@ func (i *Image) BasePixelsForTesting() *Pixels {
return &i.basePixels
}
// Size returns the image's size.
func (i *Image) Size() (int, int) {
// Do not acccess i.image since i.image can be nil after disposing.
return i.width, i.height
}
// makeStale makes the image stale.
func (i *Image) makeStale() {
i.basePixels = Pixels{}
@ -325,10 +318,10 @@ func (i *Image) ClearPixels(x, y, width, height int) {
//
// ReplacePixels for a part is forbidden if the image is rendered with DrawTriangles or Fill.
func (i *Image) ReplacePixels(pixels []byte, x, y, width, height int) {
w, h := i.Size()
if width <= 0 || height <= 0 {
panic("restorable: width/height must be positive")
}
w, h := i.width, i.height
if x < 0 || y < 0 || w <= x || h <= y || x+width <= 0 || y+height <= 0 || w < x+width || h < y+height {
panic(fmt.Sprintf("restorable: out of range x: %d, y: %d, width: %d, height: %d", x, y, width, height))
}
@ -447,8 +440,7 @@ func (i *Image) readPixelsFromGPUIfNeeded() {
//
// Note that this must not be called until context is available.
func (i *Image) At(x, y int) (byte, byte, byte, byte) {
w, h := i.Size()
if x < 0 || y < 0 || w <= x || h <= y {
if x < 0 || y < 0 || i.width <= x || i.height <= y {
return 0, 0, 0, 0
}
@ -469,9 +461,8 @@ func (i *Image) makeStaleIfDependingOn(target *Image) {
// readPixelsFromGPU reads the pixels from GPU and resolves the image's 'stale' state.
func (i *Image) readPixelsFromGPU() {
w, h := i.Size()
i.basePixels = Pixels{}
i.basePixels.AddOrReplace(i.image.Pixels(), 0, 0, w, h)
i.basePixels.AddOrReplace(i.image.Pixels(), 0, 0, i.width, i.height)
i.drawTrianglesHistory = nil
i.stale = false
}
@ -523,7 +514,7 @@ func (i *Image) hasDependency() bool {
// Restore restores *graphicscommand.Image from the pixels using its state.
func (i *Image) restore() {
w, h := i.Size()
w, h := i.width, i.height
// Do not dispose the image here. The image should be already disposed.
if i.screen {

3
internal/shareable/shareable.go
View File

@ -252,8 +252,7 @@ func (i *Image) region() (x, y, width, height int) {
panic("shareable: backend must not be nil: not allocated yet?")
}
if !i.isShared() {
w, h := i.backend.restorable.Size()
return 0, 0, w, h
return 0, 0, i.width, i.height
}
return i.node.Region()
}