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shareable: Rename ImagePart -> Image

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This commit is contained in:
Hajime Hoshi 2018-03-11 00:05:06 +09:00
parent 6c6b25647a
commit a2d6ae7eee
3 changed files with 40 additions and 40 deletions
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2
graphicscontext.go
View File

@ -134,7 +134,7 @@ func (c *graphicsContext) needsRestoring() (bool, error) {
if web.IsBrowser() {
return c.invalidated, nil
}
return c.offscreen.shareableImagePart.IsInvalidated()
return c.offscreen.shareableImage.IsInvalidated()
}
func (c *graphicsContext) restoreIfNeeded() error {

42
image.go
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@ -51,7 +51,7 @@ type Image struct {
// See strings.Builder for similar examples.
addr *Image
shareableImagePart *shareable.ImagePart
shareableImage *shareable.Image
filter Filter
}
@ -70,7 +70,7 @@ func (i *Image) copyCheck() {
// Size returns the size of the image.
func (i *Image) Size() (width, height int) {
return i.shareableImagePart.Size()
return i.shareableImage.Size()
}
// Clear resets the pixels of the image into 0.
@ -116,7 +116,7 @@ func (i *Image) fill(r, g, b, a uint8) {
}
func (i *Image) isDisposed() bool {
return i.shareableImagePart == nil
return i.shareableImage == nil
}
// DrawImage draws the given image on the image i.
@ -231,7 +231,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
filter = graphics.Filter(img.filter)
}
i.shareableImagePart.DrawImage(img.shareableImagePart, sx0, sy0, sx1, sy1, geom, options.ColorM.impl, mode, filter)
i.shareableImage.DrawImage(img.shareableImage, sx0, sy0, sx1, sy1, geom, options.ColorM.impl, mode, filter)
return nil
}
@ -257,7 +257,7 @@ func (i *Image) At(x, y int) color.Color {
if i.isDisposed() {
return color.RGBA{}
}
clr, err := i.shareableImagePart.At(x, y)
clr, err := i.shareableImage.At(x, y)
if err != nil {
panic(err)
}
@ -276,8 +276,8 @@ func (i *Image) Dispose() error {
if i.isDisposed() {
return nil
}
i.shareableImagePart.Dispose()
i.shareableImagePart = nil
i.shareableImage.Dispose()
i.shareableImage = nil
runtime.SetFinalizer(i, nil)
return nil
}
@ -298,7 +298,7 @@ func (i *Image) ReplacePixels(p []byte) error {
if i.isDisposed() {
return nil
}
i.shareableImagePart.ReplacePixels(p)
i.shareableImage.ReplacePixels(p)
return nil
}
@ -350,10 +350,10 @@ type DrawImageOptions struct {
//
// Error returned by NewImage is always nil as of 1.5.0-alpha.
func NewImage(width, height int, filter Filter) (*Image, error) {
s := shareable.NewImagePart(width, height)
s := shareable.NewImage(width, height)
i := &Image{
shareableImagePart: s,
filter: filter,
shareableImage: s,
filter: filter,
}
i.fill(0, 0, 0, 0)
runtime.SetFinalizer(i, (*Image).Dispose)
@ -362,10 +362,10 @@ func NewImage(width, height int, filter Filter) (*Image, error) {
// newImageWithoutInit creates an empty image without initialization.
func newImageWithoutInit(width, height int) *Image {
s := shareable.NewImagePart(width, height)
s := shareable.NewImage(width, height)
i := &Image{
shareableImagePart: s,
filter: FilterDefault,
shareableImage: s,
filter: FilterDefault,
}
runtime.SetFinalizer(i, (*Image).Dispose)
return i
@ -388,8 +388,8 @@ func newImageWithoutInit(width, height int) *Image {
// Error returned by newVolatileImage is always nil as of 1.5.0-alpha.
func newVolatileImage(width, height int, filter Filter) *Image {
i := &Image{
shareableImagePart: shareable.NewVolatileImagePart(width, height),
filter: filter,
shareableImage: shareable.NewVolatileImage(width, height),
filter: filter,
}
i.fill(0, 0, 0, 0)
runtime.SetFinalizer(i, (*Image).Dispose)
@ -409,10 +409,10 @@ func NewImageFromImage(source image.Image, filter Filter) (*Image, error) {
width, height := size.X, size.Y
s := shareable.NewImagePart(width, height)
s := shareable.NewImage(width, height)
i := &Image{
shareableImagePart: s,
filter: filter,
shareableImage: s,
filter: filter,
}
runtime.SetFinalizer(i, (*Image).Dispose)
@ -422,8 +422,8 @@ func NewImageFromImage(source image.Image, filter Filter) (*Image, error) {
func newImageWithScreenFramebuffer(width, height int) *Image {
i := &Image{
shareableImagePart: shareable.NewScreenFramebufferImagePart(width, height),
filter: FilterDefault,
shareableImage: shareable.NewScreenFramebufferImage(width, height),
filter: FilterDefault,
}
runtime.SetFinalizer(i, (*Image).Dispose)
return i

36
internal/shareable/shareable.go
View File

@ -36,14 +36,14 @@ var (
theBackends = []*backend{}
)
type ImagePart struct {
type Image struct {
backend *backend
// If node is nil, the image is not shared.
node *packing.Node
}
func (s *ImagePart) ensureNotShared() {
func (s *Image) ensureNotShared() {
if s.node == nil {
return
}
@ -58,7 +58,7 @@ func (s *ImagePart) ensureNotShared() {
}
}
func (s *ImagePart) region() (x, y, width, height int) {
func (s *Image) region() (x, y, width, height int) {
if s.node == nil {
w, h := s.backend.restorable.Size()
return 0, 0, w, h
@ -66,12 +66,12 @@ func (s *ImagePart) region() (x, y, width, height int) {
return s.node.Region()
}
func (s *ImagePart) Size() (width, height int) {
func (s *Image) Size() (width, height int) {
_, _, w, h := s.region()
return w, h
}
func (s *ImagePart) DrawImage(img *ImagePart, sx0, sy0, sx1, sy1 int, geom *affine.GeoM, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
func (s *Image) DrawImage(img *Image, sx0, sy0, sx1, sy1 int, geom *affine.GeoM, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
s.ensureNotShared()
// Compare i and img after ensuring i is not shared, or
@ -88,7 +88,7 @@ func (s *ImagePart) DrawImage(img *ImagePart, sx0, sy0, sx1, sy1 int, geom *affi
s.backend.restorable.DrawImage(img.backend.restorable, sx0, sy0, sx1, sy1, geom, colorm, mode, filter)
}
func (s *ImagePart) ReplacePixels(p []byte) {
func (s *Image) ReplacePixels(p []byte) {
x, y, w, h := s.region()
if l := 4 * w * h; len(p) != l {
panic(fmt.Sprintf("shareable: len(p) was %d but must be %d", len(p), l))
@ -96,7 +96,7 @@ func (s *ImagePart) ReplacePixels(p []byte) {
s.backend.restorable.ReplacePixels(p, x, y, w, h)
}
func (s *ImagePart) At(x, y int) (color.Color, error) {
func (s *Image) At(x, y int) (color.Color, error) {
ox, oy, w, h := s.region()
if x < 0 || y < 0 || x >= w || y >= h {
return color.RGBA{}, nil
@ -104,11 +104,11 @@ func (s *ImagePart) At(x, y int) (color.Color, error) {
return s.backend.restorable.At(x+ox, y+oy)
}
func (s *ImagePart) isDisposed() bool {
func (s *Image) isDisposed() bool {
return s.backend == nil
}
func (s *ImagePart) Dispose() {
func (s *Image) Dispose() {
if s.isDisposed() {
return
}
@ -141,13 +141,13 @@ func (s *ImagePart) Dispose() {
theBackends = append(theBackends[:index], theBackends[index+1:]...)
}
func (s *ImagePart) IsInvalidated() (bool, error) {
func (s *Image) IsInvalidated() (bool, error) {
return s.backend.restorable.IsInvalidated()
}
var shareableImageLock sync.Mutex
func NewImagePart(width, height int) *ImagePart {
func NewImage(width, height int) *Image {
const maxSize = 2048
shareableImageLock.Lock()
@ -157,14 +157,14 @@ func NewImagePart(width, height int) *ImagePart {
s := &backend{
restorable: restorable.NewImage(width, height, false),
}
return &ImagePart{
return &Image{
backend: s,
}
}
for _, s := range theBackends {
if n := s.page.Alloc(width, height); n != nil {
return &ImagePart{
return &Image{
backend: s,
node: n,
}
@ -180,24 +180,24 @@ func NewImagePart(width, height int) *ImagePart {
if n == nil {
panic("not reached")
}
return &ImagePart{
return &Image{
backend: s,
node: n,
}
}
func NewVolatileImagePart(width, height int) *ImagePart {
func NewVolatileImage(width, height int) *Image {
r := restorable.NewImage(width, height, true)
return &ImagePart{
return &Image{
backend: &backend{
restorable: r,
},
}
}
func NewScreenFramebufferImagePart(width, height int) *ImagePart {
func NewScreenFramebufferImage(width, height int) *Image {
r := restorable.NewScreenFramebufferImage(width, height)
return &ImagePart{
return &Image{
backend: &backend{
restorable: r,
},