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@fourjs/render
ImageReadSurface
Interface ImageReadSurface
Minimal Canvas/OffscreenCanvas read surface; no DOM dependency in the engine.
interface
ImageReadSurface
{
height
:
number
;
width
:
number
;
getContext
(
kind
:
"2d"
,
)
:
|
{
clearRect
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
)
:
void
;
drawImage
(
image
:
object
,
x
:
number
,
y
:
number
)
:
void
;
getImageData
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
,
)
:
{
data
:
|
Uint8Array
<
ArrayBufferLike
>
|
Uint8ClampedArray
<
ArrayBufferLike
>
;
}
;
}
|
null
;
}
Index
Properties
height
width
Methods
get
Context
Properties
height
height
:
number
width
width
:
number
Methods
get
Context
getContext
(
kind
:
"2d"
,
)
:
|
{
clearRect
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
)
:
void
;
drawImage
(
image
:
object
,
x
:
number
,
y
:
number
)
:
void
;
getImageData
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
,
)
:
{
data
:
Uint8Array
<
ArrayBufferLike
>
|
Uint8ClampedArray
<
ArrayBufferLike
>
;
}
;
}
|
null
Parameters
kind
:
"2d"
Returns
|
{
clearRect
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
)
:
void
;
drawImage
(
image
:
object
,
x
:
number
,
y
:
number
)
:
void
;
getImageData
(
x
:
number
,
y
:
number
,
width
:
number
,
height
:
number
,
)
:
{
data
:
Uint8Array
<
ArrayBufferLike
>
|
Uint8ClampedArray
<
ArrayBufferLike
>
;
}
;
}
|
null
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Properties
height
width
Methods
get
Context
Documentation
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Minimal Canvas/OffscreenCanvas read surface; no DOM dependency in the engine.