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“80228a15c23dfd3b0dd003aea0f489486d75118f”上不存在“src/os/git@gitcode.net:openanolis/dragonwell8_hotspot.git”
提交 e1a1de93 编写于 作者: Z zhangchao
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【cameraFramework】js改ts 

Signed-off-by: Nzhangchao <zhangchao338@huawei.com>
上级 e141f94e
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Showing with 1231 addition and 654 deletion
zh-cn/application-dev/media/camera-performance-improvement.md
浏览文件 @ e1a1de93
......@@ -33,7 +33,7 @@
[各类Context的获取方式](../application-models/application-context-stage.md)
```js
```ts
import camera from '@ohos.multimedia.camera';
import featureAbility from '@ohos.ability.featureAbility';
......@@ -83,7 +83,7 @@ async function preview(context: featureAbility.Context, cameraInfo: camera.Camer
![](figures/quick-thumbnail-sequence-diagram.png)
[各类Context的获取方式](../application-models/application-context-stage.md)
```js
```ts
import camera from '@ohos.multimedia.camera';
import { BusinessError } from '@ohos.base';
import image from '@ohos.multimedia.image';
......@@ -152,7 +152,7 @@ function showOrSavePicture(pixelMap: image.PixelMap): void {
- **桌面应用**
```js
```ts
import camera from '@ohos.multimedia.camera';
import { BusinessError } from '@ohos.base';
import featureAbility from '@ohos.ability.featureAbility';
......@@ -174,7 +174,7 @@ function showOrSavePicture(pixelMap: image.PixelMap): void {
具体申请方式及校验方式，请参考[访问控制授权申请指导](../security/accesstoken-guidelines.md)。
```js
```ts
import camera from '@ohos.multimedia.camera';
import { BusinessError } from '@ohos.base';
import featureAbility from '@ohos.ability.featureAbility';
......
zh-cn/application-dev/reference/apis/js-apis-camera.md
浏览文件 @ e1a1de93
......@@ -6,13 +6,13 @@
## 导入模块
```js
```ts
import camera from '@ohos.multimedia.camera';
```
## camera.getCameraManager
getCameraManager(context: Context): CameraManager
getCameraManager(context: featureAbility.Context): CameraManager
获取相机管理器实例，同步返回结果。
......@@ -41,12 +41,24 @@ getCameraManager(context: Context): CameraManager
**示例：**
```js
let cameraManager = camera.getCameraManager(context);
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
function getCameraManager(context: featureAbility.Context): camera.CameraManager {
let cameraManager: camera.CameraManager;
try {
cameraManager = camera.getCameraManager(context);
} catch (error) {
let err = error as BusinessError;
console.error(`The getCameraManager call failed. error code: ${err.code}`);
}
return cameraManager;
}
```
## camera.getModeManager
getModeManager(context: Context): ModeManager
getModeManager(context: featureAbility.Context): ModeManager
获取模式化管理器实例，同步返回结果。
......@@ -79,8 +91,20 @@ getModeManager(context: Context): ModeManager
**示例：**
```js
let modeManager = camera.getModeManager(context);
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
function getModeManager(context: featureAbility.Context): camera.ModeManager {
let modeManager: camera.ModeManager;
try {
modeManager = camera.getModeManager(context);
} catch (error) {
let err = error as BusinessError;
console.error(`The getModeManager call failed. error code: ${err.code}`);
}
return modeManager;
}
```
## CameraStatus
......@@ -241,9 +265,19 @@ getSupportedCameras(): Array\<CameraDevice\>
**示例：**
```js
let cameras = cameraManager.getSupportedCameras();
```ts
import { BusinessError } from '@ohos.base';
function getSupportedCameras(cameraManager: camera.CameraManager): Array<camera.CameraDevice> {
let cameras: Array<camera.CameraDevice>;
try {
cameras = cameraManager.getSupportedCameras();
} catch (error) {
let err = error as BusinessError;
console.error(`The getSupportedCameras call failed. error code: ${err.code}`);
}
return cameras;
}
```
### getSupportedOutputCapability
......@@ -268,11 +302,11 @@ getSupportedOutputCapability(camera:CameraDevice): CameraOutputCapability
**示例：**
```js
let cameras = cameraManager.getSupportedCameras();
let cameraDevice = cameras[0];
let cameraOutputCapability = cameraManager.getSupportedOutputCapability(cameraDevice);
```ts
function getSupportedOutputCapability(cameraDevice: camera.CameraDevice, cameraManager: camera.CameraManager): camera.CameraOutputCapability {
let cameraOutputCapability: camera.CameraOutputCapability = cameraManager.getSupportedOutputCapability(cameraDevice);
return cameraOutputCapability;
}
```
### isCameraMuted
......@@ -293,8 +327,11 @@ isCameraMuted(): boolean
**示例：**
```js
let ismuted = cameraManager.isCameraMuted();
```ts
function isCameraMuted(cameraManager: camera.CameraManager): boolean {
let isMuted: boolean = cameraManager.isCameraMuted();
return isMuted;
}
```
### isCameraMuteSupported
......@@ -315,8 +352,11 @@ isCameraMuteSupported(): boolean
**示例：**
```js
let ismutesuppotred = cameraManager.isCameraMuteSupported();
```ts
function isCameraMuteSupported(cameraManager: camera.CameraManager): boolean {
let isMuteSupported: boolean = cameraManager.isCameraMuteSupported();
return isMuteSupported;
}
```
### muteCamera
......@@ -337,9 +377,11 @@ muteCamera(mute: boolean): void
**示例：**
```js
let mute = true;
cameraManager.muteCamera(mute);
```ts
function muteCamera(cameraManager: camera.CameraManager): void {
let mute: boolean = true;
cameraManager.muteCamera(mute);
}
```
### createCameraInput
......@@ -374,14 +416,19 @@ createCameraInput(camera: CameraDevice): CameraInput
**示例：**
```js
let cameraDevice = cameras[0];
let cameraInput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createCameraInput(cameraDevice: camera.CameraDevice, cameraManager: camera.CameraManager): camera.CameraInput {
let cameraInput: camera.CameraInput;
try {
cameraInput = cameraManager.createCameraInput(cameraDevice);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The createCameraInput call failed. error code: ${err.code}`);
}
return cameraInput;
}
```
......@@ -418,16 +465,21 @@ createCameraInput(position: CameraPosition, type: CameraType): CameraInput
**示例：**
```js
let cameraDevice = cameras[0];
let position = cameraDevice.cameraPosition;
let type = cameraDevice.cameraType;
let cameraInput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createCameraInput(cameraDevice: camera.CameraDevice, cameraManager: camera.CameraManager): camera.CameraInput {
let position: camera.CameraPosition = cameraDevice.cameraPosition;
let type: camera.CameraType = cameraDevice.cameraType;
let cameraInput: camera.CameraInput;
try {
cameraInput = cameraManager.createCameraInput(position, type);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The createCameraInput call failed. error code: ${err.code}`);
}
return cameraInput;
}
```
......@@ -462,14 +514,20 @@ createPreviewOutput(profile: Profile, surfaceId: string): PreviewOutput
**示例：**
```js
let profile = cameraOutputCapability.previewProfiles[0];
let previewOutput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createPreviewOutput(cameraOutputCapability: camera.CameraOutputCapability, cameraManager: camera.CameraManager, surfaceId: string): camera.PreviewOutput {
let profile: camera.Profile = cameraOutputCapability.previewProfiles[0];
let previewOutput: camera.PreviewOutput;
try {
previewOutput = cameraManager.createPreviewOutput(profile, surfaceId);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The createPreviewOutput call failed. error code: ${err.code}`);
}
return previewOutput;
}
```
......@@ -504,14 +562,20 @@ createPhotoOutput(profile: Profile, surfaceId: string): PhotoOutput
**示例：**
```js
let profile = cameraOutputCapability.photoProfiles[0];
let photoOutput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createPhotoOutput(cameraOutputCapability: camera.CameraOutputCapability, cameraManager: camera.CameraManager, surfaceId: string): camera.PhotoOutput {
let profile: camera.Profile = cameraOutputCapability.photoProfiles[0];
let photoOutput: camera.PhotoOutput;
try {
photoOutput = cameraManager.createPhotoOutput(profile, surfaceId);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The createPhotoOutput call failed. error code: ${err.code}`);
}
return photoOutput;
}
```
......@@ -546,14 +610,20 @@ createVideoOutput(profile: VideoProfile, surfaceId: string): VideoOutput
**示例：**
```js
let profile = cameraOutputCapability.videoProfiles[0];
let videoOutput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createVideoOutput(cameraOutputCapability: camera.CameraOutputCapability, cameraManager: camera.CameraManager, surfaceId: string): camera.VideoOutput {
let profile: camera.VideoProfile = cameraOutputCapability.videoProfiles[0];
let videoOutput: camera.VideoOutput;
try {
videoOutput = cameraManager.createVideoOutput(profile, surfaceId);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The createPhotoOutput call failed. error code: ${err.code}`);
}
return videoOutput;
}
```
......@@ -587,14 +657,19 @@ createMetadataOutput(metadataObjectTypes:Array\<MetadataObjectType\>): MetadataO
**示例：**
```js
let metadataObjectTypes = cameraOutputCapability.supportedMetadataObjectTypes;
let metadataOutput;
try {
```ts
import { BusinessError } from '@ohos.base';
function createMetadataOutput(cameraManager: camera.CameraManager, cameraOutputCapability: camera.CameraOutputCapability): void {
let metadataObjectTypes: Array<camera.MetadataObjectType> = cameraOutputCapability.supportedMetadataObjectTypes;
let metadataOutput: camera.MetadataOutput;
try {
metadataOutput = cameraManager.createMetadataOutput(metadataObjectTypes);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`createMetadataOutput error. error code: ${err.code}`);
}
}
```
......@@ -622,13 +697,19 @@ createCaptureSession(): CaptureSession
**示例：**
```js
let captureSession;
try {
```ts
import { BusinessError } from '@ohos.base';
function createCaptureSession(cameraManager: camera.CameraManager): camera.CaptureSession {
let captureSession: camera.CaptureSession;
try {
captureSession = cameraManager.createCaptureSession();
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`createCaptureSession error. error code: ${err.code}`);
}
return captureSession;
}
```
......@@ -649,11 +730,15 @@ on(type: 'cameraStatus', callback: AsyncCallback\<CameraStatusInfo\>): void
**示例：**
```js
cameraManager.on('cameraStatus', (err, cameraStatusInfo) => {
```ts
import { BusinessError } from '@ohos.base';
function registerCameraStatus(cameraManager: camera.CameraManager): void {
cameraManager.on('cameraStatus', (err: BusinessError, cameraStatusInfo: camera.CameraStatusInfo) => {
console.log(`camera : ${cameraStatusInfo.camera.cameraId}`);
console.log(`status: ${cameraStatusInfo.status}`);
})
});
}
```
### off('cameraStatus')
......@@ -673,8 +758,10 @@ off(type: 'cameraStatus', callback?: AsyncCallback\<CameraStatusInfo\>): void
**示例：**
```js
cameraManager.off('cameraStatus')
```ts
function unregisterCameraStatus(cameraManager: camera.CameraManager): void {
cameraManager.off('cameraStatus');
}
```
### on('cameraMute')
......@@ -696,10 +783,15 @@ on(type: 'cameraMute', callback: AsyncCallback\<boolean\>): void
**示例：**
```js
cameraManager.on('cameraMute', (err, curMuetd) => {
let isMuted = curMuetd;
})
```ts
import { BusinessError } from '@ohos.base';
function registerCameraMute(cameraManager: camera.CameraManager): void {
cameraManager.on('cameraMute', (err: BusinessError, curMuted: boolean) => {
let isMuted: boolean = curMuted;
console.log(`cameraMute status: ${isMuted}`);
})
}
```
### off('cameraMute')
......@@ -721,12 +813,17 @@ off(type: 'cameraMute', callback?: AsyncCallback\<boolean\>): void
**示例：**
```js
func(err, curMuetd) {
let isMuted = curMuetd;
```ts
import { BusinessError } from '@ohos.base';
function callback(err: BusinessError, curMuetd: boolean): void {
let isMuted: boolean = curMuetd;
}
function unregisterCameraMute(cameraManager: camera.CameraManager): void {
cameraManager.on('cameraMute', callback);
cameraManager.off('cameraMute', callback);
}
cameraManager.on('cameraMute', func)
cameraManager.off('cameraMute', func)
```
### isPrelaunchSupported
......@@ -761,11 +858,15 @@ isPrelaunchSupported(camera: CameraDevice): boolean
**示例：**
```js
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
if(this.cameraManager.isPrelaunchSupported(cameras[0])) {
this.cameraManager.setPrelaunchConfig({cameraDevice: cameras[0]});
```ts
import featureAbility from '@ohos.ability.featureAbility';
function isPreLaunchSupported(context: featureAbility.Context): boolean {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
let isSupported: boolean = cameraManager.isPrelaunchSupported(cameras[0]);
console.log(`PreLaunch supported states: ${isSupported}`);
return isSupported;
}
```
......@@ -796,14 +897,20 @@ setPrelaunchConfig(prelaunchConfig: PrelaunchConfig): void
**示例：**
```js
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
if(this.cameraManager.isPrelaunchSupported(cameras[0])) {
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
function setPrelaunchConfig(context: featureAbility.Context): void {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
if(cameraManager.isPrelaunchSupported(cameras[0])) {
try {
this.cameraManager.setPrelaunchConfig({cameraDevice: cameras[0]});
cameraManager.setPrelaunchConfig({cameraDevice: cameras[0]});
} catch (error) {
console.error(`catch error: Code: ${error.code}, message: ${error.message}`);
let err = error as BusinessError;
console.error(`setPrelaunchConfig error. Code: ${err.code}, message: ${err.message}`);
}
}
}
```
......@@ -820,12 +927,18 @@ prelaunch(): void
**示例：**
```js
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
try {
this.cameraManager.prelaunch();
} catch (error) {
console.error(`catch error: Code: ${error.code}, message: ${error.message}`);
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
function preLaunch(context: featureAbility.Context): void {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
try {
cameraManager.prelaunch();
} catch (error) {
let err = error as BusinessError;
console.error(`prelaunch error. Code: ${error.code}, message: ${error.message}`);
}
}
```
......@@ -861,10 +974,10 @@ createDeferredPreviewOutput(profile: Profile): PreviewOutput
**示例：**
```js
function getDeferredPreviewOutput(context: Context, previewProfile: camera.Profile): Promise<PreviewOutput> {
const cameraManager = camera.getCameraManager(context);
const output: Promise<PreviewOutput> = cameraManager.createDeferredPreviewOutput(previewProfile);
```ts
function getDeferredPreviewOutput(context: Context, previewProfile: camera.Profile): camera.PreviewOutput {
const cameraManager: camera.CameraManager = camera.getCameraManager(context);
const output: camera.PreviewOutput = cameraManager.createDeferredPreviewOutput(previewProfile);
return output;
}
```
......@@ -896,9 +1009,11 @@ getSupportedModes(device: CameraDevice): Array\<CameraMode\>
**示例：**
```js
let cameraModes = cameraManager.getSupportedModes(cameraDevices[0]);
```ts
function getSupportedModes(cameraManager: camera.CameraManager, cameraDevice: camera.CameraDevice): Array<camera.CameraMode> {
let cameraModes: Array<camera.CameraMode> = cameraManager.getSupportedModes(cameraDevice);
return cameraModes;
}
```
### getSupportedOutputCapability
......@@ -926,13 +1041,21 @@ getSupportedOutputCapability(device:CameraDevice, mode: CameraMode): CameraOutpu
**示例：**
```js
let cameras = cameraManager.getSupportedCameras();
let cameraDevice = cameras[0];
let cameraModes = modeManager.getSupportedModes(cameraDevice);
let mode = cameraModes[0]
let cameraOutputCapability = modeManager.getSupportedOutputCapability(cameraDevice, mode);
```ts
function getSupportedOutputCapability(cameraManager: camera.CameraManager, modeManager: camera.ModeManager): camera.CameraOutputCapability {
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
if (cameras == undefined || cameras.length <= 0) {
return;
}
let cameraDevice: camera.CameraDevice = cameras[0];
let cameraModes: Array<camera.CameraMode> = modeManager.getSupportedModes(cameraDevice);
if (cameraModes === undefined || cameraModes.length <= 0) {
return;
}
let mode: camera.CameraMode = cameraModes[0];
let cameraOutputCapability: camera.CameraOutputCapability = modeManager.getSupportedOutputCapability(cameraDevice, mode);
return cameraOutputCapability;
}
```
### createCaptureSession
......@@ -958,13 +1081,29 @@ createCaptureSession(mode: CameraMode): CaptureSession
**示例：**
```js
let cameras = cameraManager.getSupportedCameras();
let cameraDevice = cameras[0];
let cameraModes = modeManager.getSupportedModes(cameraDevice);
let mode = cameraModes[0]
let captureSession = modeManager.createCaptureSession(mode);
```ts
import { BusinessError } from '@ohos.base';
function createCaptureSession(cameraManager: camera.CameraManager, modeManager: camera.ModeManager): camera.CaptureSession {
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
if (cameras == undefined || cameras.length <= 0) {
return;
}
let cameraDevice: camera.CameraDevice = cameras[0];
let cameraModes: Array<camera.CameraMode> = modeManager.getSupportedModes(cameraDevice);
if (cameraModes === undefined || cameraModes.length <= 0) {
return;
}
let mode: camera.CameraMode = cameraModes[0];
let captureSession: camera.CaptureSession
try {
captureSession = modeManager.createCaptureSession(mode);
} catch (error) {
let err = error as BusinessError;
console.error(`The createCaptureSession call failed. error code: ${err.code}`);
}
return captureSession;
}
```
## PrelaunchConfig
......@@ -1123,14 +1262,18 @@ open\(callback: AsyncCallback\<void\>\): void
**示例：**
```js
cameraInput.open((err) => {
```ts
import { BusinessError } from '@ohos.base';
function openCameraInput(cameraInput: camera.CameraInput): void {
cameraInput.open((err: BusinessError) => {
if (err) {
console.error(`Failed to open the camera. ${err.code}`);
return;
}
console.log('Callback returned with camera opened.');
})
});
}
```
### open
......@@ -1159,12 +1302,16 @@ open(): Promise\<void\>
**示例：**
```js
cameraInput.open().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function openCameraInput(cameraInput: camera.CameraInput): void {
cameraInput.open().then(() => {
console.log('Promise returned with camera opened.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.error(`Failed to open the camera. ${err.code}`);
});
});
}
```
### close
......@@ -1191,14 +1338,18 @@ close\(callback: AsyncCallback\<void\>\): void
**示例：**
```js
cameraInput.close((err) => {
```ts
import { BusinessError } from '@ohos.base';
function closeCameraInput(cameraInput: camera.CameraInput): void {
cameraInput.close((err: BusinessError) => {
if (err) {
console.error(`Failed to close the cameras. ${err.code}`);
return;
}
console.log('Callback returned with camera closed.');
})
});
}
```
### close
......@@ -1225,12 +1376,16 @@ close(): Promise\<void\>
**示例：**
```js
cameraInput.close().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function closeCameraInput(cameraInput: camera.CameraInput): void {
cameraInput.close().then(() => {
console.log('Promise returned with camera closed.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.error(`Failed to close the cameras. ${err.code}`);
});
});
}
```
### on('error')
......@@ -1251,10 +1406,14 @@ on(type: 'error', camera:CameraDevice, callback: ErrorCallback): void
**示例：**
```js
cameraInput.on('error', cameraDevice, (error) => {
```ts
import { BusinessError } from '@ohos.base';
function registerCameraInputError(cameraInput: camera.CameraInput, cameraDevice: camera.CameraDevice): void {
cameraInput.on('error', cameraDevice, (error: BusinessError) => {
console.log(`Camera input error code: ${error.code}`);
})
});
}
```
### off('error')
......@@ -1275,8 +1434,11 @@ off(type: 'error', camera:CameraDevice, callback?: ErrorCallback): void
**示例：**
```js
cameraInput.off('error', cameraDevice)
```ts
function unregisterCameraInputError(cameraInput: camera.CameraInput, cameraDevice: camera.CameraDevice): void {
cameraInput.off('error', cameraDevice);
}
```
## FlashMode
......@@ -1371,12 +1533,17 @@ beginConfig(): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function beginConfig(captureSession: camera.CaptureSession): void {
try {
captureSession.beginConfig();
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The beginConfig call failed. error code: ${err.code}`);
}
}
```
......@@ -1405,14 +1572,18 @@ commitConfig(callback: AsyncCallback\<void\>): void
**示例：**
```js
captureSession.commitConfig((err) => {
```ts
import { BusinessError } from '@ohos.base';
function commitConfig(captureSession: camera.CaptureSession): void {
captureSession.commitConfig((err: BusinessError) => {
if (err) {
console.log('Failed to commitConfig '+ err.code);
console.error(`The commitConfig call failed. error code: ${err.code}`);
return;
}
console.log('Callback invoked to indicate the commit config success.');
});
});
}
```
### commitConfig
......@@ -1440,13 +1611,17 @@ commitConfig(): Promise\<void\>
**示例：**
```js
captureSession.commitConfig().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function commitConfig(captureSession: camera.CaptureSession): void {
captureSession.commitConfig().then(() => {
console.log('Promise returned to indicate the commit config success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
// 失败返回错误码error.code并处理
console.log('Failed to commitConfig '+ err.code);
});
console.error(`The commitConfig call failed. error code: ${err.code}`);
});
}
```
### addInput
......@@ -1480,12 +1655,17 @@ addInput(cameraInput: CameraInput): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function addInput(captureSession: camera.CaptureSession, cameraInput: camera.CameraInput): void {
try {
captureSession.addInput(cameraInput);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The addInput call failed. error code: ${err.code}`);
}
}
```
......@@ -1520,12 +1700,17 @@ removeInput(cameraInput: CameraInput): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function removeInput(captureSession: camera.CaptureSession, cameraInput: camera.CameraInput): void {
try {
captureSession.removeInput(cameraInput);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The removeInput call failed. error code: ${err.code}`);
}
}
```
......@@ -1560,12 +1745,17 @@ addOutput(cameraOutput: CameraOutput): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function addOutput(captureSession: camera.CaptureSession, cameraOutput: camera.CameraOutput): void {
try {
captureSession.addOutput(cameraOutput);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The addOutput call failed. error code: ${err.code}`);
}
}
```
......@@ -1600,12 +1790,17 @@ removeOutput(cameraOutput: CameraOutput): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function removeOutput(captureSession: camera.CaptureSession, previewOutput: camera.PreviewOutput): void {
try {
captureSession.removeOutput(previewOutput);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.log(`The removeOutput call failed. error code: ${err.code}`);
}
}
```
......@@ -1634,14 +1829,18 @@ start\(callback: AsyncCallback\<void\>\): void
**示例：**
```js
captureSession.start((err) => {
```ts
import { BusinessError } from '@ohos.base';
function startCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.start((err: BusinessError) => {
if (err) {
console.error(`Failed to start the session ${err.code}`);
return;
}
console.log('Callback invoked to indicate the session start success.');
});
});
}
```
### start
......@@ -1669,12 +1868,16 @@ start\(\): Promise\<void\>
**示例：**
```js
captureSession.start().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function startCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.start().then(() => {
console.log('Promise returned to indicate the session start success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.error(`Failed to start the session ${err.code}`);
});
});
}
```
### stop
......@@ -1701,14 +1904,18 @@ stop\(callback: AsyncCallback\<void\>\): void
**示例：**
```js
captureSession.stop((err) => {
```ts
import { BusinessError } from '@ohos.base';
function stopCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.stop((err: BusinessError) => {
if (err) {
console.error(`Failed to stop the session ${err.code}`);
return;
}
console.log('Callback invoked to indicate the session stop success.');
});
});
}
```
### stop
......@@ -1735,12 +1942,16 @@ stop(): Promise\<void\>
**示例：**
```js
captureSession.stop().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function stopCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.stop().then(() => {
console.log('Promise returned to indicate the session stop success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.error(`Failed to stop the session ${err.code}`);
});
});
}
```
### release
......@@ -1767,14 +1978,18 @@ release\(callback: AsyncCallback\<void\>\): void
**示例：**
```js
captureSession.release((err) => {
```ts
import { BusinessError } from '@ohos.base';
function releaseCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.release((err: BusinessError) => {
if (err) {
console.error(`Failed to release the CaptureSession instance ${err.code}`);
return;
}
console.log('Callback invoked to indicate that the CaptureSession instance is released successfully.');
});
});
}
```
### release
......@@ -1801,12 +2016,16 @@ release(): Promise\<void\>
**示例：**
```js
captureSession.release().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function releaseCaptureSession(captureSession: camera.CaptureSession): void {
captureSession.release().then(() => {
console.log('Promise returned to indicate that the CaptureSession instance is released successfully.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.error(`Failed to release the CaptureSession instance ${err.code}`);
});
});
}
```
### hasFlash
......@@ -1833,12 +2052,19 @@ hasFlash(): boolean
**示例：**
```js
try {
let status = captureSession.hasFlash();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function hasFlash(captureSession: camera.CaptureSession): boolean {
let status: boolean = false;
try {
status = captureSession.hasFlash();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The hasFlash call failed. error code: ${err.code}`);
}
return status;
}
```
......@@ -1872,12 +2098,19 @@ isFlashModeSupported(flashMode: FlashMode): boolean
**示例：**
```js
try {
let status = captureSession.isFlashModeSupported(camera.FlashMode.FLASH_MODE_AUTO);
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function isFlashModeSupported(captureSession: camera.CaptureSession): boolean {
let status: boolean = false;
try {
status = captureSession.isFlashModeSupported(camera.FlashMode.FLASH_MODE_AUTO);
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The isFlashModeSupported call failed. error code: ${err.code}`);
}
return status;
}
```
......@@ -1916,12 +2149,17 @@ setFlashMode(flashMode: FlashMode): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function setFlashMode(captureSession: camera.CaptureSession): void {
try {
captureSession.setFlashMode(camera.FlashMode.FLASH_MODE_AUTO);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setFlashMode call failed. error code: ${err.code}`);
}
}
```
......@@ -1949,12 +2187,19 @@ getFlashMode(): FlashMode
**示例：**
```js
try {
let flashMode = captureSession.getFlashMode();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getFlashMode(captureSession: camera.CaptureSession): camera.FlashMode {
let flashMode: camera.FlashMode;
try {
flashMode = captureSession.getFlashMode();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getFlashMode call failed.error code: ${err.code}`);
}
return flashMode;
}
```
......@@ -1988,12 +2233,19 @@ isExposureModeSupported(aeMode: ExposureMode): boolean;
**示例：**
```js
try {
let isSupported = captureSession.isExposureModeSupported(camera.ExposureMode.EXPOSURE_MODE_LOCKED);
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function isExposureModeSupported(captureSession: camera.CaptureSession): boolean {
let isSupported: boolean;
try {
isSupported = captureSession.isExposureModeSupported(camera.ExposureMode.EXPOSURE_MODE_LOCKED);
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The isExposureModeSupported call failed. error code: ${err.code}`);
}
return isSupported;
}
```
......@@ -2021,12 +2273,19 @@ getExposureMode(): ExposureMode
**示例：**
```js
try {
let exposureMode = captureSession.getExposureMode();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getExposureMode(captureSession: camera.CaptureSession): camera.ExposureMode {
let exposureMode: camera.ExposureMode;
try {
exposureMode = captureSession.getExposureMode();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getExposureMode call failed. error code: ${err.code}`);
}
return exposureMode;
}
```
......@@ -2060,12 +2319,17 @@ setExposureMode(aeMode: ExposureMode): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function setExposureMode(captureSession: camera.CaptureSession): void {
try {
captureSession.setExposureMode(camera.ExposureMode.EXPOSURE_MODE_LOCKED);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setExposureMode call failed. error code: ${err.code}`);
}
}
```
......@@ -2093,12 +2357,19 @@ getMeteringPoint(): Point
**示例：**
```js
try {
let exposurePoint = captureSession.getMeteringPoint();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getMeteringPoint(captureSession: camera.CaptureSession): camera.Point {
let exposurePoint: camera.Point;
try {
exposurePoint = captureSession.getMeteringPoint();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getMeteringPoint call failed. error code: ${err.code}`);
}
return exposurePoint;
}
```
......@@ -2135,13 +2406,18 @@ setMeteringPoint(point: Point): void
**示例：**
```js
const exposurePoint = {x: 1, y: 1};
try {
```ts
import { BusinessError } from '@ohos.base';
function setMeteringPoint(captureSession: camera.CaptureSession): void {
const exposurePoint: camera.Point = {x: 1, y: 1};
try {
captureSession.setMeteringPoint(exposurePoint);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setMeteringPoint call failed. error code: ${err.code}`);
}
}
```
......@@ -2169,12 +2445,19 @@ getExposureBiasRange(): Array\<number\>
**示例：**
```js
try {
let biasRangeArray = captureSession.getExposureBiasRange();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getExposureBiasRange(captureSession: camera.CaptureSession): Array<number> {
let biasRangeArray: Array<number>;
try {
biasRangeArray = captureSession.getExposureBiasRange();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getExposureBiasRange call failed. error code: ${err.code}`);
}
return biasRangeArray;
}
```
......@@ -2204,13 +2487,18 @@ setExposureBias(exposureBias: number): void
**示例：**
```js
let exposureBias = biasRangeArray[0];
try {
```ts
import { BusinessError } from '@ohos.base';
function setExposureBias(captureSession: camera.CaptureSession, biasRangeArray: Array<number>): void {
let exposureBias = biasRangeArray[0];
try {
captureSession.setExposureBias(exposureBias);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setExposureBias call failed. error code: ${err.code}`);
}
}
```
......@@ -2238,12 +2526,19 @@ getExposureValue(): number
**示例：**
```js
try {
let exposureValue = captureSession.getExposureValue();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getExposureValue(captureSession: camera.CaptureSession): number {
let exposureValue: number;
try {
exposureValue = captureSession.getExposureValue();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getExposureValue call failed. error code: ${err.code}`);
}
return exposureValue;
}
```
......@@ -2277,12 +2572,19 @@ isFocusModeSupported(afMode: FocusMode): boolean
**示例：**
```js
try {
let status = captureSession.isFocusModeSupported(camera.FocusMode.FOCUS_MODE_AUTO);
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function isFocusModeSupported(captureSession: camera.CaptureSession): boolean {
let status: boolean = false;
try {
status = captureSession.isFocusModeSupported(camera.FocusMode.FOCUS_MODE_AUTO);
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The isFocusModeSupported call failed. error code: ${err.code}`);
}
return status;
}
```
......@@ -2318,12 +2620,17 @@ setFocusMode(afMode: FocusMode): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function setFocusMode(captureSession: camera.CaptureSession): void {
try {
captureSession.setFocusMode(camera.FocusMode.FOCUS_MODE_AUTO);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setFocusMode call failed. error code: ${err.code}`);
}
}
```
......@@ -2351,12 +2658,19 @@ getFocusMode(): FocusMode
**示例：**
```js
try {
let afMode = captureSession.getFocusMode();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getFocusMode(captureSession: camera.CaptureSession): camera.FocusMode {
let afMode: camera.FocusMode;
try {
afMode = captureSession.getFocusMode();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getFocusMode call failed. error code: ${err.code}`);
}
return afMode;
}
```
......@@ -2393,13 +2707,18 @@ setFocusPoint(point: Point): void
**示例：**
```js
const Point1 = {x: 1, y: 1};
try {
```ts
import { BusinessError } from '@ohos.base';
function setFocusPoint(captureSession: camera.CaptureSession): void {
const Point1: camera.Point = {x: 1, y: 1};
try {
captureSession.setFocusPoint(Point1);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setFocusPoint call failed. error code: ${err.code}`);
}
}
```
......@@ -2427,12 +2746,19 @@ getFocusPoint(): Point
**示例：**
```js
try {
let point = captureSession.getFocusPoint();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getFocusPoint(captureSession: camera.CaptureSession): camera.Point {
let point: camera.Point;
try {
point = captureSession.getFocusPoint();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getFocusPoint call failed. error code: ${err.code}`);
}
return point;
}
```
......@@ -2460,12 +2786,19 @@ getFocalLength(): number
**示例：**
```js
try {
let focalLength = captureSession.getFocalLength();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getFocalLength(captureSession: camera.CaptureSession): number {
let focalLength: number;
try {
focalLength = captureSession.getFocalLength();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getFocalLength call failed. error code: ${err.code}`);
}
return focalLength;
}
```
......@@ -2493,12 +2826,19 @@ getZoomRatioRange(): Array\<number\>
**示例：**
```js
try {
let zoomRatioRange = captureSession.getZoomRatioRange();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getZoomRatioRange(captureSession: camera.CaptureSession): Array<number> {
let zoomRatioRange: Array<number>;
try {
zoomRatioRange = captureSession.getZoomRatioRange();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getZoomRatioRange call failed. error code: ${err.code}`);
}
return zoomRatioRange;
}
```
......@@ -2532,13 +2872,21 @@ setZoomRatio(zoomRatio: number): void
**示例：**
```js
let zoomRatio = zoomRatioRange[0];
try {
```ts
import { BusinessError } from '@ohos.base';
function setZoomRatio(captureSession: camera.CaptureSession, zoomRatioRange: Array<number>): void {
if (zoomRatioRange === undefined || zoomRatioRange.length <= 0) {
return;
}
let zoomRatio = zoomRatioRange[0];
try {
captureSession.setZoomRatio(zoomRatio);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setZoomRatio call failed. error code: ${err.code}`);
}
}
```
......@@ -2566,12 +2914,19 @@ getZoomRatio(): number
**示例：**
```js
try {
let zoomRatio = captureSession.getZoomRatio();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getZoomRatio(captureSession: camera.CaptureSession): number {
let zoomRatio: number;
try {
zoomRatio = captureSession.getZoomRatio();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getZoomRatio call failed. error code: ${err.code}`);
}
return zoomRatio;
}
```
......@@ -2605,12 +2960,19 @@ isVideoStabilizationModeSupported(vsMode: VideoStabilizationMode): boolean
**示例：**
```js
try {
let isSupported = captureSession.isVideoStabilizationModeSupported(camera.VideoStabilizationMode.OFF);
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function isVideoStabilizationModeSupported(captureSession: camera.CaptureSession): boolean {
let isSupported: boolean = false;
try {
isSupported = captureSession.isVideoStabilizationModeSupported(camera.VideoStabilizationMode.OFF);
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The isVideoStabilizationModeSupported call failed. error code: ${err.code}`);
}
return isSupported;
}
```
......@@ -2638,12 +3000,19 @@ getActiveVideoStabilizationMode(): VideoStabilizationMode
**示例：**
```js
try {
let vsMode = captureSession.getActiveVideoStabilizationMode();
} catch (error) {
```ts
import { BusinessError } from '@ohos.base';
function getActiveVideoStabilizationMode(captureSession: camera.CaptureSession): camera.VideoStabilizationMode {
let vsMode: camera.VideoStabilizationMode;
try {
vsMode = captureSession.getActiveVideoStabilizationMode();
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The getActiveVideoStabilizationMode call failed. error code: ${err.code}`);
}
return vsMode;
}
```
......@@ -2677,12 +3046,17 @@ setVideoStabilizationMode(mode: VideoStabilizationMode): void
**示例：**
```js
try {
```ts
import { BusinessError } from '@ohos.base';
function setVideoStabilizationMode(captureSession: camera.CaptureSession): void {
try {
captureSession.setVideoStabilizationMode(camera.VideoStabilizationMode.OFF);
} catch (error) {
} catch (error) {
// 失败返回错误码error.code并处理
console.log(error.code);
let err = error as BusinessError;
console.error(`The setVideoStabilizationMode call failed. error code: ${err.code}`);
}
}
```
### getSupportedFilters
......@@ -2711,8 +3085,11 @@ getSupportedFilters(): Array\<number>
**示例：**
```js
let FilterTypes = captureSession.getSupportedFilters();
```ts
function getSupportedFilters(captureSession: camera.CaptureSession): Array<camera.FilterType> {
let filterTypes: Array<camera.FilterType> = captureSession.getSupportedFilters();
return filterTypes;
}
```
### setFilter
......@@ -2741,10 +3118,12 @@ setFilter(filter: number): void
**示例：**
```js
let FilterTypes = captureSession.getSupportedFilters();
if (!FilterTypes.empty()) {
captureSession.setFilter(FilterTypes[0]);
```ts
function setFilter(captureSession: camera.CaptureSession, filterTypes: Array<camera.FilterType>): void {
if (filterTypes === undefined || filterTypes.length <= 0) {
return;
}
captureSession.setFilter(filterTypes[0]);
}
```
......@@ -2774,8 +3153,11 @@ if (!FilterTypes.empty()) {
**示例：**
```js
let FilterType = captureSession.getFilter();
```ts
function getFilter(captureSession: camera.CaptureSession): number {
let filterType: number = captureSession.getFilter();
return filterType;
}
```
### getSupportedBeautyTypes
......@@ -2803,8 +3185,11 @@ getSupportedBeautyTypes(): Array<[BeautyType](#beautytype)>
**示例：**
```js
let FilterTypes = captureSession.getSupportedBeautyTypes();
```ts
function getSupportedBeautyTypes(captureSession: camera.CaptureSession): Array<camera.BeautyType> {
let beautyTypes: Array<camera.BeautyType> = captureSession.getSupportedBeautyTypes();
return beautyTypes;
}
```
### getSupportedBeautyRange
......@@ -2838,10 +3223,14 @@ getSupportedBeautyRange(type: BeautyType): Array<number>
**示例：**
```js
let beautyTypes = captureSession.getSupportedBeautyTypes();
if (!beautyTypes.empty()) {
let nums = captureSession.getSupportedBeautyRange(beautyTypes[0]);
```ts
function getSupportedBeautyRange(captureSession: camera.CaptureSession): Array<number> {
let beautyTypes: Array<camera.BeautyType> = captureSession.getSupportedBeautyTypes();
if (beautyTypes === undefined || beautyTypes.length <= 0) {
return null;
}
let beautyLevels: Array<number> = captureSession.getSupportedBeautyRange(beautyTypes[0]);
return beautyLevels;
}
```
......@@ -2872,13 +3261,16 @@ setBeauty(type: BeautyType, value: number): void
**示例：**
```js
let beautyTypes = captureSession.getSupportedBeautyTypes();
let beautyLevels;
if (!beautyTypes.empty()) {
beautyLevels = captureSession.getSupportedBeautyRange(beautyTypes[0]);
}
if (!beautyTypes.empty() && beautyLevels.empty()) {
```ts
function setBeauty(captureSession: camera.CaptureSession): void {
let beautyTypes: Array<camera.BeautyType> = captureSession.getSupportedBeautyTypes();
if (beautyTypes === undefined || beautyTypes.length <= 0) {
return null;
}
let beautyLevels: Array<number> = captureSession.getSupportedBeautyRange(beautyTypes[0]);
if (beautyLevels === undefined || beautyLevels.length <= 0) {
return null;
}
captureSession.setBeauty(beautyTypes[0], beautyLevels[0]);
}
```
......@@ -2914,16 +3306,20 @@ getBeauty(type: BeautyType): number
**示例：**
```js
let BeautyTypes = captureSession.getSupportedBeautyTypes();
let beautyLevels;
if (!BeautyTypes.empty()) {
beautyLevels = captureSession.getSupportedBeautyRange(BeautyTypes[0]);
}
if (!BeautyTypes.empty() && beautyLevels.empty()) {
captureSession.setBeauty(BeautyTypes[0], beautyLevels[0]);
```ts
function getBeauty(captureSession: camera.CaptureSession): number {
let beautyTypes = captureSession.getSupportedBeautyTypes();
if (beautyTypes === undefined || beautyTypes.length <= 0) {
return null;
}
let beautyLevels: Array<number> = captureSession.getSupportedBeautyRange(BeautyTypes[0]);
if (beautyLevels === undefined || beautyLevels.length <= 0) {
return null;
}
captureSession.setBeauty(beautyTypes[0], beautyLevels[0]);
let beautyLevel: number = captureSession.getBeauty(beautyTypes[0]);
return beautyLevel;
}
let beautyLevel = captureSession.getBeauty(BeautyTypes[0]);
```
### on('focusStateChange')
......@@ -2943,10 +3339,14 @@ on(type: 'focusStateChange', callback: AsyncCallback\<FocusState\>): void
**示例：**
```js
captureSession.on('focusStateChange', (err, focusState) => {
console.log(`Focus state : ${focusState}`);
})
```ts
import { BusinessError } from '@ohos.base';
function registerFocusStateChange(captureSession: camera.CaptureSession): void {
captureSession.on('focusStateChange', (err: BusinessError, focusState: camera.FocusState) => {
console.log(`Focus state: ${focusState}`);
});
}
```
### off('focusStateChange')
......@@ -2966,8 +3366,10 @@ off(type: 'focusStateChange', callback?: AsyncCallback\<FocusState\>): void
**示例：**
```js
captureSession.off('focusStateChange')
```ts
function unregisterFocusStateChange(captureSession: camera.CaptureSession): void {
captureSession.off('focusStateChange');
}
```
### on('error')
......@@ -2987,10 +3389,14 @@ on(type: 'error', callback: ErrorCallback): void
**示例：**
```js
captureSession.on('error', (error) => {
```ts
import { BusinessError } from '@ohos.base';
function registerCaptureSessionError(captureSession: camera.CaptureSession): void {
captureSession.on('error', (error: BusinessError) => {
console.log(`Capture session error code: ${error.code}`);
})
});
}
```
### off('error')
......@@ -3010,8 +3416,10 @@ off(type: 'error', callback?: ErrorCallback): void
**示例：**
```js
captureSession.off('error')
```ts
function unregisterCaptureSessionError(captureSession: camera.CaptureSession): void {
captureSession.off('error');
}
```
## PortraitSession
......@@ -3043,8 +3451,11 @@ getSupportedPortraitEffects(): Array<[PortraitEffect](#portraiteffect)>
**示例：**
```js
let portraitEffect = PortraitSession.getSupportedPortraitEffects();
```ts
function getSupportedPortraitEffects(portraitSession: camera.PortraitSession): Array<camera.PortraitEffect> {
let portraitEffect: Array<camera.PortraitEffect> = portraitSession.getSupportedPortraitEffects();
return portraitEffect;
}
```
### setPortraitEffect
......@@ -3072,10 +3483,19 @@ setPortraitEffect(effect: PortraitEffect): void
**示例：**
```js
let portraitEffects = PortraitSession.getSupportedPortraitEffects();
if (!portraitEffects.empty()) {
PortraitSession.setPortraitEffect(portraitEffects[0]);
```ts
import { BusinessError } from '@ohos.base';
function setPortraitEffect(portraitSession: camera.PortraitSession, portraitEffects: Array<camera.PortraitEffect>): void {
if (portraitEffects === undefined || portraitEffects.length <= 0) {
return;
}
try {
portraitSession.setPortraitEffect(portraitEffects[0]);
} catch (error) {
let err = error as BusinessError;
console.error(`The setPortraitEffect call failed. error code: ${err.code}`);
}
}
```
### getPortraitEffect
......@@ -3104,10 +3524,10 @@ getPortraitEffect(): PortraitEffect
**示例：**
```js
let portraitEffects = PortraitSession.getSupportedPortraitEffects();
if (!portraitEffects.empty()) {
PortraitSession.setPortraitEffect(portraitEffects[0]);
```ts
function getSupportedPortraitEffects(portraitSession: camera.PortraitSession): Array<camera.PortraitEffect> {
let portraitEffects: Array<camera.PortraitEffect> = portraitSession.getSupportedPortraitEffects();
return portraitEffects;
}
```
......@@ -3143,14 +3563,18 @@ start(callback: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.start((err) => {
```ts
import { BusinessError } from '@ohos.base';
function startPreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.start((err: BusinessError) => {
if (err) {
console.error(`Failed to start the previewOutput. ${err.code}`);
return;
}
console.log('Callback returned with previewOutput started.');
})
});
}
```
### start
......@@ -3177,12 +3601,16 @@ start(): Promise\<void\>
**示例：**
```js
previewOutput.start().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function startPreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.start().then(() => {
console.log('Promise returned with previewOutput started.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to previewOutput start '+ err.code);
});
});
}
```
### stop
......@@ -3201,14 +3629,18 @@ stop(callback: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.stop((err) => {
```ts
import { BusinessError } from '@ohos.base';
function stopPreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.stop((err: BusinessError) => {
if (err) {
console.error(`Failed to stop the previewOutput. ${err.code}`);
return;
}
console.log('Callback returned with previewOutput stopped.');
})
})
}
```
### stop
......@@ -3227,12 +3659,16 @@ stop(): Promise\<void\>
**示例：**
```js
previewOutput.stop().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function stopPreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.stop().then(() => {
console.log('Callback returned with previewOutput stopped.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to previewOutput stop '+ err.code);
});
});
}
```
### release
......@@ -3259,14 +3695,18 @@ release(callback: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.release((err) => {
```ts
import { BusinessError } from '@ohos.base';
function releasePreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.release((err: BusinessError) => {
if (err) {
console.error(`Failed to release the PreviewOutput instance ${err.code}`);
return;
}
console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
});
});
}
```
### release
......@@ -3293,12 +3733,16 @@ release(): Promise\<void\>
**示例：**
```js
previewOutput.release().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function releasePreviewOutput(previewOutput: camera.PreviewOutput): void {
previewOutput.release().then(() => {
console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to previewOutput release '+ err.code);
});
});
}
```
### on('frameStart')
......@@ -3318,10 +3762,12 @@ on(type: 'frameStart', callback: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.on('frameStart', () => {
```ts
function registerPreviewOutputFrameStart(previewOutput: camera.PreviewOutput): void {
previewOutput.on('frameStart', () => {
console.log('Preview frame started');
})
});
}
```
### off('frameStart')
......@@ -3341,8 +3787,10 @@ off(type: 'frameStart', callback?: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.off('frameStart')
```ts
function unregisterPreviewOutputFrameStart(previewOutput: camera.PreviewOutput): void {
previewOutput.off('frameStart');
}
```
### on('frameEnd')
......@@ -3362,10 +3810,12 @@ on(type: 'frameEnd', callback: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.on('frameEnd', () => {
```ts
function registerPreviewOutputFrameEnd(previewOutput: camera.PreviewOutput): void {
previewOutput.on('frameEnd', () => {
console.log('Preview frame ended');
})
});
}
```
### off('frameEnd')
......@@ -3385,8 +3835,10 @@ off(type: 'frameEnd', callback?: AsyncCallback\<void\>): void
**示例：**
```js
previewOutput.off('frameEnd')
```ts
function unregisterPreviewOutputFrameEnd(previewOutput: camera.PreviewOutput): void {
previewOutput.off('frameEnd');
}
```
### on('error')
......@@ -3406,10 +3858,14 @@ on(type: 'error', callback: ErrorCallback): void
**示例：**
```js
previewOutput.on('error', (previewOutputError) => {
```ts
import { BusinessError } from '@ohos.base';
function registerPreviewOutputError(previewOutput: camera.PreviewOutput): void {
previewOutput.on('error', (previewOutputError: BusinessError) => {
console.log(`Preview output error code: ${previewOutputError.code}`);
})
})
}
```
### off('error')
......@@ -3429,8 +3885,10 @@ off(type: 'error', callback?: ErrorCallback): void
**示例：**
```js
previewOutput.off('error')
```ts
function unregisterPreviewOutputError(previewOutput: camera.PreviewOutput): void {
previewOutput.off('error');
}
```
### addDeferredSurface
......@@ -3459,17 +3917,19 @@ addDeferredSurface(surfaceId: string): void
**示例：**
```js
function async preview(context: Context, cameraInfo: camera.Device, previewProfile: camera.Profile, photoProfile: camera.Profile, surfaceId: string): Promise<void> {
```ts
import featureAbility from '@ohos.ability.featureAbility';
async function preview(context: featureAbility.Context, cameraInfo: camera.CameraDevice, previewProfile: camera.Profile, photoProfile: camera.Profile, surfaceId: string): Promise<void> {
const cameraManager: camera.CameraManager = camera.getCameraManager(context);
const cameraInput camera.CameraInput = await cameraManager.createCameraInput(cameraInfo)
const cameraInput: camera.CameraInput = cameraManager.createCameraInput(cameraInfo)
const previewOutput: camera.PreviewOutput = await cameraManager.createDeferredPreviewOutput(previewProfile);
const photoOutput: camera.PhotoOutput = await cameraManager.createPhotoOutput(photoProfile);
const photoOutput: camera.PhotoOutput = cameraManager.createPhotoOutput(photoProfile);
const session: camera.CaptureSession = await this.mCameraManager.createCaptureSession();
await session.beginConfig();
await session.addInput(cameraInput);
await session.addOutput(previewOutput);
await session.addOutput(photoOutput);
session.beginConfig();
session.addInput(cameraInput);
session.addOutput(previewOutput);
session.addOutput(photoOutput);
await session.commitConfig();
await session.start();
await previewOutput.addDeferredSurface(surfaceId);
......@@ -3556,14 +4016,18 @@ capture(callback: AsyncCallback\<void\>): void
**示例：**
```js
photoOutput.capture((err) => {
```ts
import { BusinessError } from '@ohos.base';
function capture(photoOutput: camera.PhotoOutput): void {
photoOutput.capture((err: BusinessError) => {
if (err) {
console.error(`Failed to capture the photo ${err.code}`);
return;
}
console.log('Callback invoked to indicate the photo capture request success.');
});
});
}
```
### capture
......@@ -3591,12 +4055,16 @@ capture(): Promise\<void\>
**示例：**
```js
photoOutput.capture().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function capture(photoOutput: camera.PhotoOutput): void {
photoOutput.capture().then(() => {
console.log('Promise returned to indicate that photo capture request success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to photoOutput capture '+ err.code);
});
});
}
```
### capture
......@@ -3626,25 +4094,29 @@ capture(setting: PhotoCaptureSetting, callback: AsyncCallback\<void\>): void
**示例：**
```js
let captureLocation = {
```ts
import { BusinessError } from '@ohos.base';
function capture(photoOutput: camera.PhotoOutput): void {
let captureLocation: camera.Location = {
latitude: 0,
longitude: 0,
altitude: 0,
}
let settings = {
}
let settings: camera.PhotoCaptureSetting = {
quality: camera.QualityLevel.QUALITY_LEVEL_LOW,
rotation: camera.ImageRotation.ROTATION_0,
location: captureLocation,
mirror: false
}
photoOutput.capture(settings, (err) => {
}
photoOutput.capture(settings, (err: BusinessError) => {
if (err) {
console.error(`Failed to capture the photo ${err.code}`);
return;
}
console.log('Callback invoked to indicate the photo capture request success.');
});
});
}
```
### capture
......@@ -3679,23 +4151,27 @@ capture(setting?: PhotoCaptureSetting): Promise\<void\>
**示例：**
```js
let captureLocation = {
```ts
import { BusinessError } from '@ohos.base';
function capture(photoOutput: camera.PhotoOutput): void {
let captureLocation: camera.Location = {
latitude: 0,
longitude: 0,
altitude: 0,
}
let settings = {
}
let settings: camera.PhotoCaptureSetting = {
quality: camera.QualityLevel.QUALITY_LEVEL_LOW,
rotation: camera.ImageRotation.ROTATION_0,
location: captureLocation,
mirror: false
}
photoOutput.capture(settings).then(() => {
}
photoOutput.capture(settings).then(() => {
console.log('Promise returned to indicate that photo capture request success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to photoOutput capture '+ err.code);
});
});
}
```
### isMirrorSupported
......@@ -3714,8 +4190,11 @@ isMirrorSupported(): boolean
**示例：**
```js
let isSupported = photoOutput.isMirrorSupported();
```ts
function isMirrorSupported(photoOutput: camera.PhotoOutput): boolean {
let isSupported: boolean = photoOutput.isMirrorSupported();
return isSupported;
}
```
### release
......@@ -3742,14 +4221,18 @@ release(callback: AsyncCallback\<void\>): void
**示例：**
```js
photoOutput.release((err) => {
```ts
import { BusinessError } from '@ohos.base';
function releasePhotoOutput(photoOutput: camera.PhotoOutput): void {
photoOutput.release((err: BusinessError) => {
if (err) {
console.error(`Failed to release the PreviewOutput instance ${err.code}`);
return;
}
console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
});
});
}
```
### release
......@@ -3776,12 +4259,16 @@ release(): Promise\<void\>
**示例：**
```js
photoOutput.release().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function releasePhotoOutput(photoOutput: camera.PhotoOutput): void {
photoOutput.release().then(() => {
console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to photoOutput release '+ err.code);
});
});
}
```
### on('captureStart')
......@@ -3801,10 +4288,14 @@ on(type: 'captureStart', callback: AsyncCallback\<number\>): void
**示例：**
```js
photoOutput.on('captureStart', (err, captureId) => {
```ts
import { BusinessError } from '@ohos.base';
function registerPhotoOutputCaptureStart(photoOutput: camera.PhotoOutput): void {
photoOutput.on('captureStart', (err: BusinessError, captureId: number) => {
console.log(`photo capture stated, captureId : ${captureId}`);
})
});
}
```
### off('captureStart')
......@@ -3824,8 +4315,10 @@ off(type: 'captureStart', callback?: AsyncCallback\<number\>): void
**示例：**
```js
photoOutput.off('captureStart')
```ts
function unregisterPhotoOutputCaptureStart(photoOutput: camera.PhotoOutput): void {
photoOutput.off('captureStart');
}
```
### on('frameShutter')
......@@ -3845,11 +4338,15 @@ on(type: 'frameShutter', callback: AsyncCallback\<FrameShutterInfo\>): void
**示例：**
```js
photoOutput.on('frameShutter', (err, frameShutterInfo) => {
```ts
import { BusinessError } from '@ohos.base';
function registerPhotoOutputFrameShutter(photoOutput: camera.PhotoOutput): void {
photoOutput.on('frameShutter', (err: BusinessError, frameShutterInfo: camera.FrameShutterInfo) => {
console.log(`photo capture end, captureId : ${frameShutterInfo.captureId}`);
console.log(`Timestamp for frame : ${frameShutterInfo.timestamp}`);
})
});
}
```
### off('frameShutter')
......@@ -3869,8 +4366,10 @@ off(type: 'frameShutter', callback?: AsyncCallback\<FrameShutterInfo\>): void
**示例：**
```js
photoOutput.off('frameShutter')
```ts
function unregisterPhotoOutputFrameShutter(photoOutput: camera.PhotoOutput): void {
photoOutput.off('frameShutter');
}
```
### on('captureEnd')
......@@ -3890,11 +4389,15 @@ on(type: 'captureEnd', callback: AsyncCallback\<CaptureEndInfo\>): void
**示例：**
```js
photoOutput.on('captureEnd', (err, captureEndInfo) => {
```ts
import { BusinessError } from '@ohos.base';
function registerPhotoOutputCaptureEnd(photoOutput: camera.PhotoOutput): void {
photoOutput.on('captureEnd', (err: BusinessError, captureEndInfo: camera.CaptureEndInfo) => {
console.log(`photo capture end, captureId : ${captureEndInfo.captureId}`);
console.log(`frameCount : ${captureEndInfo.frameCount}`);
})
});
}
```
### off('captureEnd')
......@@ -3914,8 +4417,10 @@ off(type: 'captureEnd', callback?: AsyncCallback\<CaptureEndInfo\>): void
**示例：**
```js
photoOutput.off('captureEnd')
```ts
function unregisterPhotoOutputCaptureEnd(photoOutput: camera.PhotoOutput): void {
photoOutput.off('captureEnd');
}
```
### on('error')
......@@ -3935,10 +4440,14 @@ on(type: 'error', callback: ErrorCallback): void
**示例：**
```js
photoOutput.on('error', (error) => {
```ts
import { BusinessError } from '@ohos.base';
function registerPhotoOutputError(photoOutput: camera.PhotoOutput): void {
photoOutput.on('error', (error: BusinessError) => {
console.log(`Photo output error code: ${error.code}`);
})
});
}
```
### off('error')
......@@ -3958,8 +4467,10 @@ off(type: 'error', callback?: ErrorCallback): void
**示例：**
```js
photoOutput.off('error')
```ts
function unregisterPhotoOutputError(photoOutput: camera.PhotoOutput): void {
photoOutput.off('error');
}
```
### isQuickThumbnailSupported
......@@ -3990,22 +4501,26 @@ isQuickThumbnailSupported(): boolean
**示例：**
```js
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
// 创建CaptureSession实例
this.captureSession = await this.cameraManager.createCaptureSession()
// 开始配置会话
await this.captureSession.beginConfig()
// 把CameraInput加入到会话
this.mCameraInput = await this.cameraManager.createCameraInput(cameras[0])
await this.cameraInput.open()
await this.captureSession.addInput(this.cameraInput)
// 把PhotoOutPut加入到会话
this.photoOutPut = await this.cameraManager.createPhotoOutput(photoProfile, surfaceId)
await this.captureSession.addOutput(this.photoOutPut)
```ts
import featureAbility from '@ohos.ability.featureAbility';
boolean isSupported = this.photoOutPut.isQuickThumbnailSupported()
async function isQuickThumbnailSupported(context: featureAbility.Context, photoProfile: camera.Profile, surfaceId: string): Promise<boolean> {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
// 创建CaptureSession实例
let captureSession: camera.CaptureSession = cameraManager.createCaptureSession();
// 开始配置会话
captureSession.beginConfig();
// 把CameraInput加入到会话
let cameraInput: camera.CameraInput = cameraManager.createCameraInput(cameras[0]);
await cameraInput.open();
captureSession.addInput(cameraInput);
// 把photoOutput加入到会话
let photoOutput: camera.PhotoOutput = cameraManager.createPhotoOutput(photoProfile, surfaceId);
captureSession.addOutput(photoOutput);
let isSupported: boolean = photoOutput.isQuickThumbnailSupported();
return isSupported;
}
```
### enableQuickThumbnail
......@@ -4036,24 +4551,35 @@ enableQuickThumbnail(enabled: boolean): void
**示例：**
```js
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
// 创建CaptureSession实例
this.captureSession = await this.cameraManager.createCaptureSession()
// 开始配置会话
await this.captureSession.beginConfig()
// 把CameraInput加入到会话
this.cameraInput = await this.cameraManager.createCameraInput(cameras[0])
await this.cameraInput.open()
await this.captureSession.addInput(this.cameraInput)
// 把PhotoOutPut加入到会话
this.photoOutPut = await this.cameraManager.createPhotoOutput(photoProfile, surfaceId)
await this.captureSession.addOutput(this.photoOutPut)
boolean isSupported = this.photoOutPut.isQuickThumbnailSupported()
if (isSupported) {
// 使能快速缩略图
this.photoOutPut.enableQuickThumbnail(true)
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
async function enableQuickThumbnail(context: featureAbility.Context, photoProfile: camera.Profile, surfaceId: string): Promise<void> {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
// 创建CaptureSession实例
let captureSession: camera.CaptureSession = cameraManager.createCaptureSession();
// 开始配置会话
captureSession.beginConfig();
// 把CameraInput加入到会话
let cameraInput: camera.CameraInput = cameraManager.createCameraInput(cameras[0]);
await cameraInput.open();
captureSession.addInput(cameraInput);
// 把PhotoOutPut加入到会话
let photoOutput: camera.PhotoOutput = cameraManager.createPhotoOutput(photoProfile, surfaceId);
captureSession.addOutput(photoOutput);
let isSupported: boolean = photoOutput.isQuickThumbnailSupported();
if (!isSupported) {
console.log('Quick Thumbnail is not supported to be turned on.');
return;
}
try {
photoOutput.enableQuickThumbnail(true);
} catch (error) {
let err = error as BusinessError;
console.error(`The enableQuickThumbnail call failed. error code: ${err.code}`);
}
}
```
......@@ -4078,35 +4604,45 @@ on(type: 'quickThumbnail', callback: AsyncCallback\<image.PixelMap>): void
**示例：**
```js
import camera from '@ohos.multimedia.camera'
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
// 创建CaptureSession实例
this.captureSession = await this.cameraManager.createCaptureSession()
// 开始配置会话
await this.captureSession.beginConfig()
// 把CameraInput加入到会话
this.cameraInput = await this.cameraManager.createCameraInput(cameras[0])
await this.cameraInput.open()
await this.captureSession.addInput(this.cameraInput)
// 把PhotoOutPut加入到会话
this.photoOutPut = await this.cameraManager.createPhotoOutput(photoProfile, surfaceId)
await this.captureSession.addOutput(this.photoOutPut)
boolean isSupported = this.photoOutPut.isQuickThumbnailSupported()
if (isSupported) {
// 使能快速缩略图
this.photoOutPut.enableQuickThumbnail(true)
}
this.photoOutPut.on('quickThumbnail', (err, pixelmap) => {
if (err || pixelmap === undefined) {
Logger.error(this.tag, 'photoOutPut on thumbnail failed ')
return
```ts
import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';
async function registerQuickThumbnail(context: featureAbility.Context, photoProfile: camera.Profile, surfaceId: string): Promise<void> {
let cameraManager: camera.CameraManager = camera.getCameraManager(context);
let cameras: Array<camera.CameraDevice> = cameraManager.getSupportedCameras();
// 创建CaptureSession实例
let captureSession: camera.CaptureSession = cameraManager.createCaptureSession();
// 开始配置会话
captureSession.beginConfig();
// 把CameraInput加入到会话
let cameraInput: camera.CameraInput = cameraManager.createCameraInput(cameras[0]);
await cameraInput.open();
captureSession.addInput(cameraInput);
// 把PhotoOutPut加入到会话
let photoOutput: camera.PhotoOutput = cameraManager.createPhotoOutput(photoProfile, surfaceId);
captureSession.addOutput(photoOutput);
let isSupported: boolean = photoOutput.isQuickThumbnailSupported();
if (!isSupported) {
console.log('Quick Thumbnail is not supported to be turned on.');
return;
}
// 显示或保存pixelmap
this.showOrSavePicture(pixelmap)
})
try {
photoOutput.enableQuickThumbnail(true);
} catch (error) {
let err = error as BusinessError;
console.error(`The enableQuickThumbnail call failed. error code: ${err.code}`);
}
photoOutput.on('quickThumbnail', (err: BusinessError, pixelMap: image.PixelMap) => {
if (err || pixelMap === undefined) {
console.error('photoOutput on thumbnail failed');
return;
}
// 显示或保存pixelMap
// do something
})
}
```
### off('quickThumbnail')
......@@ -4128,36 +4664,10 @@ off(type: 'quickThumbnail', callback?: AsyncCallback\<image.PixelMap>): void
**示例：**
```js
import camera from '@ohos.multimedia.camera'
this.cameraManager = camera.getCameraManager(globalThis.abilityContext);
let cameras = this.cameraManager.getSupportedCameras()
// 创建CaptureSession实例
this.captureSession = await this.cameraManager.createCaptureSession()
// 开始配置会话
await this.captureSession.beginConfig()
// 把CameraInput加入到会话
this.cameraInput = await this.cameraManager.createCameraInput(cameras[0])
await this.cameraInput.open()
await this.captureSession.addInput(this.cameraInput)
// 把PhotoOutPut加入到会话
this.photoOutPut = await this.cameraManager.createPhotoOutput(photoProfile, surfaceId)
await this.captureSession.addOutput(this.photoOutPut)
boolean isSupported = this.photoOutPut.isQuickThumbnailSupported()
if (isSupported) {
// 使能快速缩略图
this.photoOutPut.enableQuickThumbnail(true)
}
this.photoOutPut.on('quickThumbnail', (err, pixelmap) => {
if (err || pixelmap === undefined) {
Logger.error(this.tag, 'photoOutPut on thumbnail failed ')
return
}
// 显示或保存pixelmap
this.showOrSavePicture(pixelmap)
})
this.photoOutPut.off('quickThumbnail')
```ts
function unregisterQuickThumbnail(photoOutput: camera.PhotoOutput): void {
this.photoOutput.off('quickThumbnail');
}
```
## FrameShutterInfo
......@@ -4211,14 +4721,18 @@ start(callback: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.start((err) => {
```ts
import { BusinessError } from '@ohos.base';
function startVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.start((err: BusinessError) => {
if (err) {
console.error(`Failed to start the video output ${err.code}`);
return;
}
console.log('Callback invoked to indicate the video output start success.');
});
});
}
```
### start
......@@ -4246,12 +4760,16 @@ start(): Promise\<void\>
**示例：**
```js
videoOutput.start().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function startVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.start().then(() => {
console.log('Promise returned to indicate that start method execution success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to videoOutput start '+ err.code);
});
});
}
```
### stop
......@@ -4270,14 +4788,18 @@ stop(callback: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.stop((err) => {
```ts
import { BusinessError } from '@ohos.base';
function stopVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.stop((err: BusinessError) => {
if (err) {
console.error(`Failed to stop the video output ${err.code}`);
return;
}
console.log('Callback invoked to indicate the video output stop success.');
});
});
}
```
### stop
......@@ -4296,12 +4818,16 @@ stop(): Promise\<void\>
**示例：**
```js
videoOutput.stop().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function stopVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.stop().then(() => {
console.log('Promise returned to indicate that stop method execution success.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to videoOutput stop '+ err.code);
});
});
}
```
### release
......@@ -4328,14 +4854,18 @@ release(callback: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.release((err) => {
```ts
import { BusinessError } from '@ohos.base';
function releaseVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.release((err: BusinessError) => {
if (err) {
console.error(`Failed to release the PreviewOutput instance ${err.code}`);
return;
}
console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
});
console.log('Callback invoked to indicate that the videoOutput instance is released successfully.');
});
}
```
### release
......@@ -4362,12 +4892,16 @@ release(): Promise\<void\>
**示例：**
```js
videoOutput.release().then(() => {
console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
}).catch((err) => {
```ts
import { BusinessError } from '@ohos.base';
function releaseVideoOutput(videoOutput: camera.VideoOutput): void {
videoOutput.release().then(() => {
console.log('Promise returned to indicate that the videoOutput instance is released successfully.');
}).catch((err: BusinessError) => {
console.log('Failed to videoOutput release '+ err.code);
});
});
}
```
### on('frameStart')
......@@ -4387,10 +4921,12 @@ on(type: 'frameStart', callback: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.on('frameStart', () => {
```ts
function registerVideoOutputFrameStart(videoOutput: camera.VideoOutput): void {
videoOutput.on('frameStart', () => {
console.log('Video frame started');
})
});
}
```
### off('frameStart')
......@@ -4410,8 +4946,11 @@ off(type: 'frameStart', callback?: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.off('frameStart')
```ts
function unregisterVideoOutputFrameStart(videoOutput: camera.VideoOutput): void {
videoOutput.off('frameStart');
}
```
### on('frameEnd')
......@@ -4431,10 +4970,12 @@ on(type: 'frameEnd', callback: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.on('frameEnd', () => {
```ts
function registerVideoOutputFrameEnd(videoOutput: camera.VideoOutput): void {
videoOutput.on('frameEnd', () => {
console.log('Video frame ended');
})
});
}
```
### off('frameEnd')
......@@ -4454,8 +4995,10 @@ off(type: 'frameEnd', callback?: AsyncCallback\<void\>): void
**示例：**
```js
videoOutput.off('frameEnd')
```ts
function unregisterVideoOutputFrameEnd(videoOutput: camera.VideoOutput): void {
videoOutput.off('frameEnd');
}
```
### on('error')
......@@ -4475,10 +5018,14 @@ on(type: 'error', callback: ErrorCallback): void
**示例：**
```js
videoOutput.on('error', (error) => {
```ts
import { BusinessError } from '@ohos.base';
function registerVideoOutputError(videoOutput: camera.VideoOutput): void {
videoOutput.on('error', (error: BusinessError) => {
console.log(`Video output error code: ${error.code}`);
})
});
}
```
### off('error')
......@@ -4498,8 +5045,10 @@ off(type: 'error', callback?: ErrorCallback): void
**示例：**
```js
videoOutput.off('error')
```ts
function unregisterVideoOutputError(videoOutput: camera.VideoOutput): void {
videoOutput.off('error');
}
```
## MetadataOutput
......@@ -4531,14 +5080,18 @@ start(callback: AsyncCallback\<void\>): void
**示例：**
```js
metadataOutput.start((err) => {
```ts
import { BusinessError } from '@ohos.base';
function startMetadataOutput(metadataOutput: camera.MetadataOutput): void {
metadataOutput.start((err: BusinessError) => {
if (err) {
console.error(`Failed to start metadataOutput. ${err.code}`);
return;
}
console.log('Callback returned with metadataOutput started.');
})
});
}
```
### start
......@@ -4566,12 +5119,16 @@ start(): Promise\<void\>
**示例：**
```js
metadataOutput.start().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function startMetadataOutput(metadataOutput: camera.MetadataOutput): void {
metadataOutput.start().then(() => {
console.log('Callback returned with metadataOutput started.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to metadataOutput start '+ err.code);
});
});
}
```
### stop
......@@ -4590,14 +5147,18 @@ stop(callback: AsyncCallback\<void\>): void
**示例：**
```js
metadataOutput.stop((err) => {
```ts
import { BusinessError } from '@ohos.base';
function stopMetadataOutput(metadataOutput: camera.MetadataOutput): void {
metadataOutput.stop((err: BusinessError) => {
if (err) {
console.error(`Failed to stop the metadataOutput. ${err.code}`);
return;
}
console.log('Callback returned with metadataOutput stopped.');
})
})
}
```
### stop
......@@ -4616,12 +5177,16 @@ stop(): Promise\<void\>
**示例：**
```js
metadataOutput.stop().then(() => {
```ts
import { BusinessError } from '@ohos.base';
function stopMetadataOutput(metadataOutput: camera.MetadataOutput): void {
metadataOutput.stop().then(() => {
console.log('Callback returned with metadataOutput stopped.');
}).catch((err) => {
}).catch((err: BusinessError) => {
console.log('Failed to metadataOutput stop '+ err.code);
});
});
}
```
### on('metadataObjectsAvailable')
......@@ -4641,10 +5206,14 @@ on(type: 'metadataObjectsAvailable', callback: AsyncCallback\<Array\<MetadataObj
**示例：**
```js
metadataOutput.on('metadataObjectsAvailable', (err, metadataObjectArr) => {
```ts
import { BusinessError } from '@ohos.base';
function registerMetadataObjectsAvailable(metadataOutput: camera.MetadataOutput): void {
metadataOutput.on('metadataObjectsAvailable', (err: BusinessError, metadataObjectArr: Array<camera.MetadataObject>) => {
console.log(`metadata output metadataObjectsAvailable`);
})
});
}
```
### off('metadataObjectsAvailable')
......@@ -4664,8 +5233,10 @@ off(type: 'metadataObjectsAvailable', callback?: AsyncCallback\<Array\<MetadataO
**示例：**
```js
metadataOutput.off('metadataObjectsAvailable')
```ts
function unregisterMetadataObjectsAvailable(metadataOutput: camera.MetadataOutput): void {
metadataOutput.off('metadataObjectsAvailable');
}
```
### on('error')
......@@ -4685,10 +5256,14 @@ on(type: 'error', callback: ErrorCallback): void
**示例：**
```js
metadataOutput.on('error', (metadataOutputError) => {
```ts
import { BusinessError } from '@ohos.base';
function registerMetadataOutputError(metadataOutput: camera.MetadataOutput): void {
metadataOutput.on('error', (metadataOutputError: BusinessError) => {
console.log(`Metadata output error code: ${metadataOutputError.code}`);
})
});
}
```
### off('error')
......@@ -4708,8 +5283,10 @@ off(type: 'error', callback?: ErrorCallback): void
**示例：**
```js
metadataOutput.off('error')
```ts
function unregisterMetadataOutputError(metadataOutput: camera.MetadataOutput): void {
metadataOutput.off('error');
}
```
## MetadataObjectType
......
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