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three.js/src/loaders/ImageBitmapLoader.js at dev · regstudy/three.js · GitHub
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three.js
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src
/
loaders
/
ImageBitmapLoader.js
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three.js
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src
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loaders
/
ImageBitmapLoader.js
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/**
*
@author
thespite / http://clicktorelease.com/
*/
import
{
Cache
}
from
'./Cache.js'
;
import
{
DefaultLoadingManager
}
from
'./LoadingManager.js'
;
function
ImageBitmapLoader
(
manager
)
{
if
(
typeof
createImageBitmap
===
'undefined'
)
{
console
.
warn
(
'THREE.ImageBitmapLoader: createImageBitmap() not supported.'
)
;
}
if
(
typeof
fetch
===
'undefined'
)
{
console
.
warn
(
'THREE.ImageBitmapLoader: fetch() not supported.'
)
;
}
this
.
manager
=
manager
!==
undefined
?
manager
:
DefaultLoadingManager
;
this
.
options
=
undefined
;
}
ImageBitmapLoader
.
prototype
=
{
constructor
:
ImageBitmapLoader
,
setOptions
:
function
setOptions
(
options
)
{
this
.
options
=
options
;
return
this
;
}
,
load
:
function
(
url
,
onLoad
,
onProgress
,
onError
)
{
if
(
url
===
undefined
)
url
=
''
;
if
(
this
.
path
!==
undefined
)
url
=
this
.
path
+
url
;
url
=
this
.
manager
.
resolveURL
(
url
)
;
var
scope
=
this
;
var
cached
=
Cache
.
get
(
url
)
;
if
(
cached
!==
undefined
)
{
scope
.
manager
.
itemStart
(
url
)
;
setTimeout
(
function
(
)
{
if
(
onLoad
)
onLoad
(
cached
)
;
scope
.
manager
.
itemEnd
(
url
)
;
}
,
0
)
;
return
cached
;
}
fetch
(
url
)
.
then
(
function
(
res
)
{
return
res
.
blob
(
)
;
}
)
.
then
(
function
(
blob
)
{
return
createImageBitmap
(
blob
,
scope
.
options
)
;
}
)
.
then
(
function
(
imageBitmap
)
{
Cache
.
add
(
url
,
imageBitmap
)
;
if
(
onLoad
)
onLoad
(
imageBitmap
)
;
scope
.
manager
.
itemEnd
(
url
)
;
}
)
.
catch
(
function
(
e
)
{
if
(
onError
)
onError
(
e
)
;
scope
.
manager
.
itemEnd
(
url
)
;
scope
.
manager
.
itemError
(
url
)
;
}
)
;
}
,
setCrossOrigin
:
function
(
/* value */
)
{
return
this
;
}
,
setPath
:
function
(
value
)
{
this
.
path
=
value
;
return
this
;
}
}
;
export
{
ImageBitmapLoader
}
;
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