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提交 29a3fe10 编写于 作者: X xu-rui-w
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Signed-off-by: Nxu-rui-w <xurui101@huawei.com>
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zh-cn/application-dev/reference/apis/js-apis-image.md
浏览文件 @ 29a3fe10
...@@ -20,7 +20,7 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions): Promise\<Pi ...@@ -20,7 +20,7 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions): Promise\<Pi
| 名称 | 类型 | 必填 | 说明 | | 名称 | 类型 | 必填 | 说明 |
| ------- | ------------------------------------------------ | ---- | ------------------------------------------------------------ | | ------- | ------------------------------------------------ | ---- | ------------------------------------------------------------ |
| colors | ArrayBuffer | 是 | 颜色数组。 | | colors | ArrayBuffer | 是 | BGRA_8888格式的颜色数组。 |
| options | [InitializationOptions](#initializationoptions8) | 是 | 创建像素的属性，包括透明度，尺寸，缩略值，像素格式和是否可编辑。 | | options | [InitializationOptions](#initializationoptions8) | 是 | 创建像素的属性，包括透明度，尺寸，缩略值，像素格式和是否可编辑。 |
**返回值：** **返回值：**
...@@ -32,7 +32,9 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions): Promise\<Pi ...@@ -32,7 +32,9 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions): Promise\<Pi
**示例：** **示例：**
```js ```js
image.createPixelMap(Color, opts) const color = new ArrayBuffer(96);
let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
image.createPixelMap(color, opts)
.then((pixelmap) => { .then((pixelmap) => {
}) })
``` ```
...@@ -49,14 +51,16 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions, callback: As ...@@ -49,14 +51,16 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions, callback: As
| 名称 | 类型 | 必填 | 说明 | | 名称 | 类型 | 必填 | 说明 |
| -------- | ------------------------------------------------ | ---- | -------------------------- | | -------- | ------------------------------------------------ | ---- | -------------------------- |
| colors | ArrayBuffer | 是 | 颜色数组。 | | colors | ArrayBuffer | 是 | BGRA_8888格式的颜色数组。 |
| options | [InitializationOptions](#initializationoptions8) | 是 | 属性。 | | options | [InitializationOptions](#initializationoptions8) | 是 | 属性。 |
| callback | AsyncCallback\<[PixelMap](#pixelmap7)> | 是 | 通过回调返回PixelMap对象。 | | callback | AsyncCallback\<[PixelMap](#pixelmap7)> | 是 | 通过回调返回PixelMap对象。 |
**示例：** **示例：**
```js ```js
image.createPixelMap(Color, opts, (pixelmap) => { const color = new ArrayBuffer(96);
let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
image.createPixelMap(color, opts, (pixelmap) => {
}) })
``` ```
...@@ -95,11 +99,11 @@ readPixelsToBuffer(dst: ArrayBuffer): Promise\<void> ...@@ -95,11 +99,11 @@ readPixelsToBuffer(dst: ArrayBuffer): Promise\<void>
**示例：** **示例：**
```js ```js
pixelmap.readPixelsToBuffer(readBuffer).then(() => { pixelmap.readPixelsToBuffer(ReadBuffer).then(() => {
//符合条件则进入 console.log('readPixelsToBuffer succeeded.'); //符合条件则进入
}).catch(error => { }).catch(error => {
//不符合条件则进入 console.log('readPixelsToBuffer failed.'); //不符合条件则进入
}) })
``` ```
### readPixelsToBuffer<sup>7+</sup> ### readPixelsToBuffer<sup>7+</sup>
...@@ -120,8 +124,13 @@ readPixelsToBuffer(dst: ArrayBuffer, callback: AsyncCallback\<void>): void ...@@ -120,8 +124,13 @@ readPixelsToBuffer(dst: ArrayBuffer, callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
pixelmap.readPixelsToBuffer(readBuffer, () => { pixelmap.readPixelsToBuffer(ReadBuffer, (err, res) => {
}) if(err) {
console.log('readPixelsToBuffer failed.'); //不符合条件则进入
} else {
console.log('readPixelsToBuffer succeeded.'); //符合条件则进入
}
})
``` ```
### readPixels<sup>7+</sup> ### readPixels<sup>7+</sup>
...@@ -147,11 +156,11 @@ readPixels(area: PositionArea): Promise\<void> ...@@ -147,11 +156,11 @@ readPixels(area: PositionArea): Promise\<void>
**示例：** **示例：**
```js ```js
pixelmap.readPixels(area).then((data) => { pixelmap.readPixels(Area).then((data) => {
//符合条件则进入 console.log('readPixels succeeded.'); //符合条件则进入
}).catch(error => { }).catch(error => {
//不符合条件则进入 console.log('readPixels failed.'); //不符合条件则进入
}) })
``` ```
### readPixels<sup>7+</sup> ### readPixels<sup>7+</sup>
...@@ -175,14 +184,12 @@ readPixels(area: PositionArea, callback: AsyncCallback\<void>): void ...@@ -175,14 +184,12 @@ readPixels(area: PositionArea, callback: AsyncCallback\<void>): void
let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } } let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
image.createPixelMap(color, opts, (err, pixelmap) => { image.createPixelMap(color, opts, (err, pixelmap) => {
if(pixelmap == undefined){ if(pixelmap == undefined){
console.info('createPixelMap failed'); console.info('createPixelMap failed.');
expect(false).assertTrue(); } else {
done();
}else{
const area = { pixels: new ArrayBuffer(8), const area = { pixels: new ArrayBuffer(8),
offset: 0, offset: 0,
stride: 8, stride: 8,
region: { size: { height: 1, width: 2 }, x: 0, y: 0 }} region: { size: { height: 1, width: 2 }, x: 0, y: 0 }};
pixelmap.readPixels(area, () => { pixelmap.readPixels(area, () => {
console.info('readPixels success'); console.info('readPixels success');
}) })
...@@ -218,9 +225,7 @@ let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } } ...@@ -218,9 +225,7 @@ let opts = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
image.createPixelMap(color, opts) image.createPixelMap(color, opts)
.then( pixelmap => { .then( pixelmap => {
if (pixelmap == undefined) { if (pixelmap == undefined) {
console.info('createPixelMap failed'); console.info('createPixelMap failed.');
expect(false).assertTrue()
done();
} }
const area = { pixels: new ArrayBuffer(8), const area = { pixels: new ArrayBuffer(8),
offset: 0, offset: 0,
...@@ -243,8 +248,6 @@ image.createPixelMap(color, opts) ...@@ -243,8 +248,6 @@ image.createPixelMap(color, opts)
}) })
.catch(error => { .catch(error => {
console.log('error: ' + error); console.log('error: ' + error);
expect().assertFail();
done();
}) })
``` ```
...@@ -266,14 +269,14 @@ writePixels(area: PositionArea, callback: AsyncCallback\<void>): void ...@@ -266,14 +269,14 @@ writePixels(area: PositionArea, callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
pixelmap.writePixels(area, () => { pixelmap.writePixels(Area, () => {
const readArea = { const readArea = {
pixels: new ArrayBuffer(20), pixels: new ArrayBuffer(20),
offset: 0, offset: 0,
stride: 8, stride: 8,
region: { size: { height: 1, width: 2 }, x: 0, y: 0 }, region: { size: { height: 1, width: 2 }, x: 0, y: 0 },
} }
}) })
``` ```
### writeBufferToPixels<sup>7+</sup> ### writeBufferToPixels<sup>7+</sup>
...@@ -299,11 +302,11 @@ writeBufferToPixels(src: ArrayBuffer): Promise\<void> ...@@ -299,11 +302,11 @@ writeBufferToPixels(src: ArrayBuffer): Promise\<void>
**示例：** **示例：**
```js ```js
pixelMap.writeBufferToPixels(colorBuffer).then(() => { PixelMap.writeBufferToPixels(color).then(() => {
console.log("Succeeded in writing data from a buffer to a PixelMap."); console.log("Succeeded in writing data from a buffer to a PixelMap.");
}).catch((err) => { }).catch((err) => {
console.error("Failed to write data from a buffer to a PixelMap."); console.error("Failed to write data from a buffer to a PixelMap.");
}); })
``` ```
### writeBufferToPixels<sup>7+</sup> ### writeBufferToPixels<sup>7+</sup>
...@@ -324,12 +327,13 @@ writeBufferToPixels(src: ArrayBuffer, callback: AsyncCallback\<void>): void ...@@ -324,12 +327,13 @@ writeBufferToPixels(src: ArrayBuffer, callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
pixelMap.writeBufferToPixels(colorBuffer, function(err) { PixelMap.writeBufferToPixels(color, function(err) {
if (err) { if (err) {
console.error("Failed to write data from a buffer to a PixelMap."); console.error("Failed to write data from a buffer to a PixelMap.");
return; return;
} } else {
console.log("Succeeded in writing data from a buffer to a PixelMap."); console.log("Succeeded in writing data from a buffer to a PixelMap.");
}
}); });
``` ```
...@@ -350,7 +354,7 @@ getImageInfo(): Promise\<ImageInfo> ...@@ -350,7 +354,7 @@ getImageInfo(): Promise\<ImageInfo>
**示例：** **示例：**
```js ```js
pixelMap.getImageInfo().then(function(info) { PixelMap.getImageInfo().then(function(info) {
console.log("Succeeded in obtaining the image pixel map information."); console.log("Succeeded in obtaining the image pixel map information.");
}).catch((err) => { }).catch((err) => {
console.error("Failed to obtain the image pixel map information."); console.error("Failed to obtain the image pixel map information.");
...@@ -374,7 +378,11 @@ getImageInfo(callback: AsyncCallback\<ImageInfo>): void ...@@ -374,7 +378,11 @@ getImageInfo(callback: AsyncCallback\<ImageInfo>): void
**示例:** **示例:**
```js ```js
pixelmap.getImageInfo((imageInfo) => {}) pixelmap.getImageInfo((imageInfo) => {
console.log("getImageInfo succeeded.");
}).catch((err) => {
console.error("getImageInfo failed.");
})
``` ```
### getBytesNumberPerRow<sup>7+</sup> ### getBytesNumberPerRow<sup>7+</sup>
...@@ -394,7 +402,9 @@ getBytesNumberPerRow(): number ...@@ -394,7 +402,9 @@ getBytesNumberPerRow(): number
**示例：** **示例：**
```js ```js
rowCount = pixelmap.getBytesNumberPerRow() image.createPixelMap(clolr, opts, (err,pixelmap) => {
let rowCount = pixelmap.getBytesNumberPerRow();
})
``` ```
### getPixelBytesNumber<sup>7+</sup> ### getPixelBytesNumber<sup>7+</sup>
...@@ -414,7 +424,7 @@ getPixelBytesNumber(): number ...@@ -414,7 +424,7 @@ getPixelBytesNumber(): number
**示例：** **示例：**
```js ```js
pixelBytesNumber = pixelmap.getPixelBytesNumber() let pixelBytesNumber = pixelmap.getPixelBytesNumber();
``` ```
### release<sup>7+</sup> ### release<sup>7+</sup>
...@@ -434,8 +444,13 @@ release():Promise\<void> ...@@ -434,8 +444,13 @@ release():Promise\<void>
**示例：** **示例：**
```js ```js
pixelmap.release().then(() => { }) image.createPixelMap(color, opts, (pixelmap) => {
.catch(error => {}) pixelmap.release().then(() => {
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
})
``` ```
### release<sup>7+</sup> ### release<sup>7+</sup>
...@@ -455,7 +470,13 @@ release(callback: AsyncCallback\<void>): void ...@@ -455,7 +470,13 @@ release(callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
pixelmap.release(()=>{ }) image.createPixelMap(color, opts, (pixelmap) => {
pixelmap.release().then(() => {
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
})
``` ```
## image.createImageSource ## image.createImageSource
...@@ -508,7 +529,7 @@ createImageSource(fd: number): ImageSource ...@@ -508,7 +529,7 @@ createImageSource(fd: number): ImageSource
**示例：** **示例：**
```js ```js
const imageSourceApi = image.createImageSource(0) const imageSourceApi = image.createImageSource(0);
``` ```
## ImageSource ## ImageSource
...@@ -541,7 +562,13 @@ getImageInfo(index: number, callback: AsyncCallback\<ImageInfo>): void ...@@ -541,7 +562,13 @@ getImageInfo(index: number, callback: AsyncCallback\<ImageInfo>): void
**示例：** **示例：**
```js ```js
imageSourceApi.getImageInfo(0,(error, imageInfo) => {}) imageSourceApi.getImageInfo(0,(error, imageInfo) => {
if(error) {
console.log('getImageInfo failed.');
} else {
console.log('getImageInfo succeeded.');
}
})
``` ```
### getImageInfo ### getImageInfo
...@@ -561,7 +588,11 @@ getImageInfo(callback: AsyncCallback\<ImageInfo>): void ...@@ -561,7 +588,11 @@ getImageInfo(callback: AsyncCallback\<ImageInfo>): void
**示例：** **示例：**
```js ```js
imageSourceApi.getImageInfo(imageInfo => {}) imageSourceApi.getImageInfo(imageInfo => {
console.log('getImageInfo succeeded.');
}).catch(error => {
console.log('getImageInfo failed.');
})
``` ```
### getImageInfo ### getImageInfo
...@@ -588,8 +619,12 @@ getImageInfo(index?: number): Promise\<ImageInfo> ...@@ -588,8 +619,12 @@ getImageInfo(index?: number): Promise\<ImageInfo>
```js ```js
imageSourceApi.getImageInfo(0) imageSourceApi.getImageInfo(0)
.then(imageInfo => {}) .then(imageInfo => {
.catch(error => {}) console.log('getImageInfo succeeded.');
})
.catch(error => {
console.log('getImageInfo failed.');
})
``` ```
### getImageProperty<sup>7+</sup> ### getImageProperty<sup>7+</sup>
...@@ -617,8 +652,12 @@ getImageProperty(key:string, options?: GetImagePropertyOptions): Promise\<string ...@@ -617,8 +652,12 @@ getImageProperty(key:string, options?: GetImagePropertyOptions): Promise\<string
```js ```js
imageSourceApi.getImageProperty("BitsPerSample") imageSourceApi.getImageProperty("BitsPerSample")
.then(data => {}) .then(data => {
.catch(error => {}) console.log('getImageProperty succeeded.');
})
.catch(error => {
console.log('getImageProperty failed.');
})
``` ```
### getImageProperty<sup>7+</sup> ### getImageProperty<sup>7+</sup>
...@@ -639,7 +678,13 @@ getImageProperty(key:string, callback: AsyncCallback\<string>): void ...@@ -639,7 +678,13 @@ getImageProperty(key:string, callback: AsyncCallback\<string>): void
**示例：** **示例：**
```js ```js
imageSourceApi.getImageProperty("BitsPerSample",(error,data) => {}) imageSourceApi.getImageProperty("BitsPerSample",(error,data) => {
if(error) {
console.log('getImageProperty failed.');
} else {
console.log('getImageProperty succeeded.');
}
})
``` ```
### getImageProperty<sup>7+</sup> ### getImageProperty<sup>7+</sup>
...@@ -661,7 +706,13 @@ getImageProperty(key:string, options: GetImagePropertyOptions, callback: AsyncCa ...@@ -661,7 +706,13 @@ getImageProperty(key:string, options: GetImagePropertyOptions, callback: AsyncCa
**示例：** **示例：**
```js ```js
imageSourceApi.getImageProperty("BitsPerSample",property,(error,data) => {}) imageSourceApi.getImageProperty("BitsPerSample",Property,(error,data) => {
if(error) {
console.log('getImageProperty failed.');
} else {
console.log('getImageProperty succeeded.');
}
})
``` ```
### createPixelMap<sup>7+</sup> ### createPixelMap<sup>7+</sup>
...@@ -687,8 +738,11 @@ createPixelMap(options?: DecodingOptions): Promise\<PixelMap> ...@@ -687,8 +738,11 @@ createPixelMap(options?: DecodingOptions): Promise\<PixelMap>
**示例：** **示例：**
```js ```js
imageSourceApi.createPixelMap().then(pixelmap => {}) imageSourceApi.createPixelMap().then(pixelmap => {
.catch(error => {}) console.log('createPixelMap succeeded.');
}).catch(error => {
console.log('createPixelMap failed.');
})
``` ```
### createPixelMap<sup>7+</sup> ### createPixelMap<sup>7+</sup>
...@@ -708,7 +762,11 @@ createPixelMap(callback: AsyncCallback\<PixelMap>): void ...@@ -708,7 +762,11 @@ createPixelMap(callback: AsyncCallback\<PixelMap>): void
**示例：** **示例：**
```js ```js
imageSourceApi.createPixelMap(pixelmap => {}) imageSourceApi.createPixelMap(pixelmap => {
console.log('createPixelMap succeeded.');
}).catch(error => {
console.log('createPixelMap failed.');
})
``` ```
### createPixelMap<sup>7+</sup> ### createPixelMap<sup>7+</sup>
...@@ -729,7 +787,11 @@ createPixelMap(options: DecodingOptions, callback: AsyncCallback\<PixelMap>): vo ...@@ -729,7 +787,11 @@ createPixelMap(options: DecodingOptions, callback: AsyncCallback\<PixelMap>): vo
**示例：** **示例：**
```js ```js
imageSourceApi.createPixelMap(decodingOptions, pixelmap => {}) imageSourceApi.createPixelMap(decodingOptions, pixelmap => {
console.log('createPixelMap succeeded.');
}).catch(error => {
console.log('createPixelMap failed.');
})
``` ```
### release ### release
...@@ -749,7 +811,11 @@ release(callback: AsyncCallback\<void>): void ...@@ -749,7 +811,11 @@ release(callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
imageSourceApi.release(() => {}) imageSourceApi.release(() => {
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
``` ```
### release ### release
...@@ -769,7 +835,11 @@ release(): Promise\<void> ...@@ -769,7 +835,11 @@ release(): Promise\<void>
**示例：** **示例：**
```js ```js
imageSourceApi.release().then(()=>{ }).catch(error => {}) imageSourceApi.release().then(()=>{
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
``` ```
## image.createImagePacker ## image.createImagePacker
...@@ -823,8 +893,8 @@ packing(source: ImageSource, option: PackingOption, callback: AsyncCallback\<Arr ...@@ -823,8 +893,8 @@ packing(source: ImageSource, option: PackingOption, callback: AsyncCallback\<Arr
**示例：** **示例：**
```js ```js
let packOpts = { format:["image/jpeg"], quality:98 } let packOpts = { format:["image/jpeg"], quality:98 };
imagePackerApi.packing(imageSourceApi, packOpts, data => {}) imagePackerApi.packing(ImageSourceApi, packOpts, data => {})
``` ```
### packing ### packing
...@@ -852,9 +922,12 @@ packing(source: ImageSource, option: PackingOption): Promise\<ArrayBuffer> ...@@ -852,9 +922,12 @@ packing(source: ImageSource, option: PackingOption): Promise\<ArrayBuffer>
```js ```js
let packOpts = { format:["image/jpeg"], quality:98 } let packOpts = { format:["image/jpeg"], quality:98 }
imagePackerApi.packing(imageSourceApi, packOpts) imagePackerApi.packing(ImageSourceApi, packOpts)
.then( data => { }) .then( data => {
.catch(error => {}) console.log('packing succeeded.');
}).catch(error => {
console.log('packing failed.');
})
``` ```
### packing<sup>8+</sup> ### packing<sup>8+</sup>
...@@ -877,7 +950,11 @@ packing(source: PixelMap, option: PackingOption, callback: AsyncCallback\<ArrayB ...@@ -877,7 +950,11 @@ packing(source: PixelMap, option: PackingOption, callback: AsyncCallback\<ArrayB
```js ```js
let packOpts = { format:["image/jpeg"], quality:98 } let packOpts = { format:["image/jpeg"], quality:98 }
imagePackerApi.packing(pixelMapApi, packOpts, data => {}) imagePackerApi.packing(PixelMapApi, packOpts, data => {
console.log('packing succeeded.');
}).catch(error => {
console.log('packing failed.');
})
``` ```
### packing<sup>8+</sup> ### packing<sup>8+</sup>
...@@ -905,9 +982,12 @@ packing(source: PixelMap, option: PackingOption): Promise\<ArrayBuffer> ...@@ -905,9 +982,12 @@ packing(source: PixelMap, option: PackingOption): Promise\<ArrayBuffer>
```js ```js
let packOpts = { format:["image/jpeg"], quality:98 } let packOpts = { format:["image/jpeg"], quality:98 }
imagePackerApi.packing(pixelMapApi, packOpts) imagePackerApi.packing(PixelMapApi, packOpts)
.then( data => { }) .then( data => {
.catch(error => {}) console.log('packing succeeded.');
}).catch(error => {
console.log('packing failed.');
})
``` ```
### release ### release
...@@ -927,7 +1007,11 @@ release(callback: AsyncCallback\<void>): void ...@@ -927,7 +1007,11 @@ release(callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
imagePackerApi.release(()=>{}) imagePackerApi.release(()=>{
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
``` ```
### release ### release
...@@ -947,8 +1031,11 @@ release(): Promise\<void> ...@@ -947,8 +1031,11 @@ release(): Promise\<void>
**示例：** **示例：**
```js ```js
imagePackerApi.release().then(()=>{ imagePackerApi.release().then(()=>{
}).catch((error)=>{}) console.log('release succeeded.');
}).catch((error)=>{
console.log('release failed.');
})
``` ```
## image.createImageReceiver<sup>9+</sup> ## image.createImageReceiver<sup>9+</sup>
...@@ -977,7 +1064,7 @@ createImageReceiver(width: number, height: number, format: number, capacity: num ...@@ -977,7 +1064,7 @@ createImageReceiver(width: number, height: number, format: number, capacity: num
**示例：** **示例：**
```js ```js
var receiver = image.createImageReceiver(8192, 8, 4, 8) var receiver = image.createImageReceiver(8192, 8, 4, 8);
``` ```
## ImageReceiver<sup>9+</sup> ## ImageReceiver<sup>9+</sup>
...@@ -1013,7 +1100,13 @@ getReceivingSurfaceId(callback: AsyncCallback\<string>): void ...@@ -1013,7 +1100,13 @@ getReceivingSurfaceId(callback: AsyncCallback\<string>): void
**示例:** **示例:**
```js ```js
receiver.getReceivingSurfaceId((err, id) => {}); receiver.getReceivingSurfaceId((err, id) => {
if(err) {
console.log('getReceivingSurfaceId failed.');
} else {
console.log('getReceivingSurfaceId succeeded.');
}
});
``` ```
### getReceivingSurfaceId<sup>9+</sup> ### getReceivingSurfaceId<sup>9+</sup>
...@@ -1034,8 +1127,10 @@ getReceivingSurfaceId(): Promise\<string> ...@@ -1034,8 +1127,10 @@ getReceivingSurfaceId(): Promise\<string>
```js ```js
receiver.getReceivingSurfaceId().then( id => { receiver.getReceivingSurfaceId().then( id => {
}).catch(error => { console.log('getReceivingSurfaceId succeeded.');
}) }).catch(error => {
console.log('getReceivingSurfaceId failed.');
})
``` ```
### readLatestImage<sup>9+</sup> ### readLatestImage<sup>9+</sup>
...@@ -1055,7 +1150,13 @@ readLatestImage(callback: AsyncCallback\<Image>): void ...@@ -1055,7 +1150,13 @@ readLatestImage(callback: AsyncCallback\<Image>): void
**示例：** **示例：**
```js ```js
receiver.readLatestImage((err, img) => { }); receiver.readLatestImage((err, img) => {
if(err) {
console.log('readLatestImage failed.');
} else {
console.log('readLatestImage succeeded.');
}
});
``` ```
### readLatestImage<sup>9+</sup> ### readLatestImage<sup>9+</sup>
...@@ -1075,8 +1176,11 @@ readLatestImage(): Promise\<Image> ...@@ -1075,8 +1176,11 @@ readLatestImage(): Promise\<Image>
**示例：** **示例：**
```js ```js
receiver.readLatestImage().then(img => {}) receiver.readLatestImage().then(img => {
.catch(error => {}) console.log('readLatestImage succeeded.');
}).catch(error => {
console.log('readLatestImage failed.');
})
``` ```
### readNextImage<sup>9+</sup> ### readNextImage<sup>9+</sup>
...@@ -1096,7 +1200,13 @@ readNextImage(callback: AsyncCallback\<Image>): void ...@@ -1096,7 +1200,13 @@ readNextImage(callback: AsyncCallback\<Image>): void
**示例：** **示例：**
```js ```js
receiver.readNextImage((err, img) => {}); receiver.readNextImage((err, img) => {
if(err) {
console.log('readNextImage failed.');
} else {
console.log('readNextImage succeeded.');
}
});
``` ```
### readNextImage<sup>9+</sup> ### readNextImage<sup>9+</sup>
...@@ -1116,9 +1226,11 @@ readNextImage(): Promise\<Image> ...@@ -1116,9 +1226,11 @@ readNextImage(): Promise\<Image>
**示例：** **示例：**
```js ```js
receiver.readNextImage().then(img => { receiver.readNextImage().then(img => {
}).catch(error => { console.log('readNextImage succeeded.');
}) }).catch(error => {
console.log('readNextImage failed.');
})
``` ```
### on('imageArrival')<sup>9+</sup> ### on('imageArrival')<sup>9+</sup>
...@@ -1139,7 +1251,7 @@ on(type: 'imageArrival', callback: AsyncCallback\<void>): void ...@@ -1139,7 +1251,7 @@ on(type: 'imageArrival', callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
receiver.on('imageArrival', () => {}) receiver.on('imageArrival', () => {})
``` ```
### release<sup>9+</sup> ### release<sup>9+</sup>
...@@ -1159,7 +1271,7 @@ release(callback: AsyncCallback\<void>): void ...@@ -1159,7 +1271,7 @@ release(callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
receiver.release(() => {}) receiver.release(() => {})
``` ```
### release<sup>9+</sup> ### release<sup>9+</sup>
...@@ -1179,8 +1291,11 @@ release(): Promise\<void> ...@@ -1179,8 +1291,11 @@ release(): Promise\<void>
**示例：** **示例：**
```js ```js
receiver.release().then(() => {}) receiver.release().then(() => {
.catch(error => {}) console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
``` ```
## Image<sup>9+</sup> ## Image<sup>9+</sup>
...@@ -1215,7 +1330,13 @@ getComponent(componentType: ComponentType, callback: AsyncCallback\<Component>): ...@@ -1215,7 +1330,13 @@ getComponent(componentType: ComponentType, callback: AsyncCallback\<Component>):
**示例：** **示例：**
```js ```js
img.getComponent(4, (err, component) => {}) img.getComponent(4, (err, component) => {
if(err) {
console.log('getComponent failed.');
} else {
console.log('getComponent succeeded.');
}
})
``` ```
### getComponent<sup>9+</sup> ### getComponent<sup>9+</sup>
...@@ -1263,7 +1384,11 @@ release(callback: AsyncCallback\<void>): void ...@@ -1263,7 +1384,11 @@ release(callback: AsyncCallback\<void>): void
**示例：** **示例：**
```js ```js
img.release(() =>{ }) img.release(() =>{
console.log('release succeeded.');
}).catch(error => {
console.log('release failed.');
})
``` ```
### release<sup>9+</sup> ### release<sup>9+</sup>
...@@ -1286,8 +1411,10 @@ release(): Promise\<void> ...@@ -1286,8 +1411,10 @@ release(): Promise\<void>
```js ```js
img.release().then(() =>{ img.release().then(() =>{
}).catch(error => { console.log('release succeeded.');
}) }).catch(error => {
console.log('release failed.');
})
``` ```
## PositionArea<sup>7+</sup> ## PositionArea<sup>7+</sup>
......
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