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3d9bedf8
编写于
3月 15, 2023
作者:
O
openharmony_ci
提交者:
Gitee
3月 15, 2023
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!16056 翻译完成:14638+15744+15712+15414 media_image APIs
Merge pull request !16056 from wusongqing/TR14638
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2 changed file
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22 deletion
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-22
en/application-dev/reference/apis/js-apis-image.md
en/application-dev/reference/apis/js-apis-image.md
+185
-4
en/application-dev/reference/apis/js-apis-media.md
en/application-dev/reference/apis/js-apis-media.md
+35
-18
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en/application-dev/reference/apis/js-apis-image.md
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...
@@ -948,8 +948,18 @@ Creates an **ImageSource** instance based on the URI.
...
@@ -948,8 +948,18 @@ Creates an **ImageSource** instance based on the URI.
**Example**
**Example**
```
js
```
js
let
context
=
featureAbility
.
getContext
();
// Stage model
let
path
=
context
.
getCacheDir
()
+
"
test.jpg
"
;
const
context
=
getContext
(
this
);
const
path
=
context
.
getCacheDir
()
+
"
/test.jpg
"
;
const
imageSourceApi
=
image
.
createImageSource
(
path
);
```
```
js
// FA model
import
featureAbility
from
'
@ohos.ability.featureAbility
'
;
const
context
=
featureAbility
.
getContext
();
const
path
=
context
.
getCacheDir
()
+
"
/test.jpg
"
;
const
imageSourceApi
=
image
.
createImageSource
(
path
);
const
imageSourceApi
=
image
.
createImageSource
(
path
);
```
```
...
@@ -1479,8 +1489,8 @@ Creates a **PixelMap** object based on the default parameters. This API uses an
...
@@ -1479,8 +1489,8 @@ Creates a **PixelMap** object based on the default parameters. This API uses an
```
js
```
js
imageSourceApi
.
createPixelMap
((
err
,
pixelmap
)
=>
{
imageSourceApi
.
createPixelMap
((
err
,
pixelmap
)
=>
{
console
.
info
(
'
Succeeded in creating pixelmap object.
'
);
console
.
info
(
'
Succeeded in creating pixelmap object.
'
);
})
})
```
```
### createPixelMap<sup>7+</sup>
### createPixelMap<sup>7+</sup>
...
@@ -1515,6 +1525,177 @@ imageSourceApi.createPixelMap(decodingOptions, pixelmap => {
...
@@ -1515,6 +1525,177 @@ imageSourceApi.createPixelMap(decodingOptions, pixelmap => {
})
})
```
```
### createPixelMapList<sup>10+</sup>
createPixelMapList(options?: DecodingOptions): Promise
<Array
\<
PixelMap
>
>;
Creates an array of
**PixelMap**
objects based on image decoding parameters. This API uses a promise to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ------------------------------------- | ---- | -------------------------- |
| options |
[
DecodingOptions
](
#decodingoptions7
)
| No | Image decoding parameters. |
**Return value**
| Type | Description |
| -------------------------------- | --------------------- |
| Promise
<Array
<[
PixelMap
](
#pixelmap7
)
>
> | Promise used to return an array of
**PixeMap**
objects.|
**Example**
```
js
let
decodeOpts
=
{
sampleSize
:
1
,
editable
:
true
,
desiredSize
:
{
width
:
198
,
height
:
202
},
rotate
:
0
,
desiredPixelFormat
:
RGBA_8888
,
index
:
0
,
};
let
pixelmaplist
=
await
imageSourceApi
.
createPixelMapList
(
decodeOpts
);
```
### createPixelMapList<sup>10+</sup>
createPixelMapList(callback: AsyncCallback
<Array
\<
PixelMap
>
>): void
Creates an array of
**PixelMap**
objects based on the default parameters. This API uses an asynchronous callback to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ------------------------------------- | ---- | -------------------------- |
| callback | AsyncCallback
<Array
<[
PixelMap
](
#pixelmap7
)
>
> | Yes | Callback used to return an array of
**PixeMap**
objects.|
**Example**
```
js
imageSourceApi
.
createPixelMap
(
pixelmaplist
=>
{
console
.
info
(
'
Succeeded in creating pixelmaplist object.
'
);
})
```
### createPixelMapList<sup>10+</sup>
createPixelMapList(options: DecodingOptions, callback: AsyncCallback
<Array
\<
PixelMap
>
>): void;
Creates an array of
**PixelMap**
objects based on image decoding parameters. This API uses an asynchronous callback to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | ---------------------------------- |
| options |
[
DecodingOptions
](
#decodingoptions7
)
| Yes| Image decoding parameters.|
| callback | AsyncCallback
<Array
<[
PixelMap
](
#pixelmap7
)
>
> | Yes | Callback used to return an array of
**PixeMap**
objects.|
**Example**
```
js
let
decodeOpts
=
{
sampleSize
:
1
,
editable
:
true
,
desiredSize
:
{
width
:
198
,
height
:
202
},
rotate
:
0
,
desiredPixelFormat
:
RGBA_8888
,
index
:
0
,
};
imageSourceApi
.
createPixelMap
(
decodeOpts
,
pixelmaplist
=>
{
console
.
log
(
'
Succeeded in creating pixelmaplist object.
'
);
})
```
### getDelayTime<sup>10+</sup>
getDelayTime(callback: AsyncCallback
<Array
\<
number
>
>): void;
Obtains an array of delay times. This API uses an asynchronous callback to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | ---------------------------------- |
| callback | AsyncCallback
<Array
\<
number
>
> | Yes | Callback used to return an array of delay times.|
**Example**
```
js
imageSourceApi
.
getDelayTime
(
delayTimes
=>
{
console
.
log
(
'
Succeeded in getting delay time.
'
);
});
```
### getDelayTime<sup>10+</sup>
getDelayTime(): Promise
<Array
\<
number
>
>;
Obtains an array of delay times. This API uses a promise to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Return value**
| Type | Description |
| -------------- | --------------------------- |
| Promise
<Array
\<
number
>
> | Promise used to return an array of delay times.|
**Example**
```
js
let
delayTimes
=
await
imageSourceApi
.
getDelayTime
();
```
### getFrameCount<sup>10+</sup>
getFrameCount(callback: AsyncCallback
<number>
): void;
Obtains the number of frames. This API uses an asynchronous callback to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | -------------------- | ---- | ---------------------------------- |
| callback | AsyncCallback
\<
number> | Yes | Callback used to return the number of frames.|
**Example**
```
js
imageSourceApi
.
getFrameCount
(
frameCount
=>
{
console
.
log
(
'
Succeeded in getting frame count.
'
);
});
```
### getFrameCount<sup>10+</sup>
getFrameCount(): Promise
\<
number>;
Obtains the number of frames. This API uses a promise to return the result.
**System capability**
: SystemCapability.Multimedia.Image.ImageSource
**Return value**
| Type | Description |
| -------------- | --------------------------- |
| Promise
\<
number> | Promise used to return the number of frames.|
**Example**
```
js
let
frameCount
=
await
imageSourceApi
.
getFrameCount
();
```
### release
### release
release(callback: AsyncCallback
\<
void>): void
release(callback: AsyncCallback
\<
void>): void
...
...
en/application-dev/reference/apis/js-apis-media.md
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