| exposurePoint | [Point](#point) | Yes | Metering point. The value range of x and y must be within [0,1]. If a value less than 0 is passed, the value **0** is used. If a value greater than **1** is passed, the value **1** is used. |
**Return value**
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@@ -1754,7 +1754,7 @@ Before the setting, you are advised to use **[getExposureBiasRange](#getexposure
| exposureBias | number | Yes | Exposure bias to set, which must be within the range obtained by running **getExposureBiasRange** interface. If the API call fails, an error code defined in [CameraErrorCode](#cameraerrorcode) is returned.|
| exposureBias | number | Yes | EV. The supported EV range can be obtained by calling **getExposureBiasRange**. If calling the API fails, an error code defined in [CameraErrorCode](#cameraerrorcode) will be returned. If the value passed is not within the supported range, the nearest critical point is used.|
**Error codes**
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@@ -1936,7 +1936,7 @@ The coordinate system is based on the horizontal device direction with the devic
| Point1 | [Point](#point) | Yes | Focal point. The value range of x and y must be within [0,1]. If a value less than 0 is passed, the value **0** is used. If a value greater than **1** is passed, the value **1** is used. |
**Return value**
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@@ -2075,7 +2075,7 @@ Sets a zoom ratio, with a maximum precision of two decimal places.
| zoomRatio | number | Yes | Zoom ratio. You can use **getZoomRatioRange** to obtain the supported values.|
| zoomRatio | number | Yes | Zoom ratio. The supported zoom ratio range can be obtained by calling **getZoomRatioRange**. If the value passed is not within the supported range, the nearest critical point is used.|
**Return value**
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@@ -2735,7 +2735,7 @@ Captures a photo with the specified shooting parameters. This API uses a promise
| setting | [PhotoCaptureSetting](#photocapturesetting) | No | Shooting settings.|
| setting | [PhotoCaptureSetting](#photocapturesetting) | No | Shooting parameters. The input of **undefined** is processed as if no parameters were passed.|
| uri | string | Yes | Image path. Currently, only the application sandbox path is supported.<br>Currently, the following formats are supported: JPG, PNG, GIF, BMP, Webp, and RAW.|
| uri | string | Yes | Image path. Currently, only the application sandbox path is supported.<br>Currently, the following formats are supported: .jpg, .png, .gif, .bmp, .webp, and raw. For details, see [SVG Tags<sup>10+</sup>](#svg-tags). |
**Return value**
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@@ -975,7 +1022,7 @@ Creates an **ImageSource** instance based on the URI.
| uri | string | Yes | Image path. Currently, only the application sandbox path is supported.<br>Currently, the following formats are supported: JPG, PNG, GIF, BMP, Webp, and RAW.|
| uri | string | Yes | Image path. Currently, only the application sandbox path is supported.<br>Currently, the following formats are supported: .jpg, .png, .gif, .bmp, .webp, and raw. For details, see [SVG Tags<sup>10+</sup>](#svg-tags). |
| options | [SourceOptions](#sourceoptions9) | Yes | Image properties, including the image index and default property value.|