my.getImageInfo

2022-07-04 03:44

Get picture information.

Sample Code

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<!-- .axml -->
<view class="page">
  <view class="page-description">Get picture info API</view>
  <view class="page-section">
    <view class="page-section-title">my.getImageInfo</view>
    <view class="page-section-demo">
      <image src="{{src}}" onError="imageError" onLoad="imageLoad" />
      <button type="primary" onTap="getImageInfo">Get picture info</button>
    </view>
  </view>
</view>

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//.js
// Network picture path
my.getImageInfo({
  src:'https://img.example.com/example.jpg',
  success:(res)=>{
    console.log(JSON.stringify(res))
  }
})
    
//apFilePath
my.chooseImage({
  success: (res) => {
    my.getImageInfo({
      src:res.apFilePaths[0],
      success:(res)=>{
        console.log(JSON.stringify(res))
      }
    })
  },
})


//Relative path
my.getImageInfo({
  src:'image/api.png',
  success:(res)=>{
    console.log(JSON.stringify(res))
  }
})

Parameters

The incoming parameter is of the Object type with the following attributes:

Property	Type	Required	Description
src	String	No	Picture path, supporting network picture path, apFilePath path and relative path.
success	Function	No	Callback function upon call success.
fail	Function	No	Callback function upon call failure.
complete	Function	No	Callback function upon call completion (to be executed upon either call success or failure).

Success Callback Function

The incoming parameter is of the Object type with the following attributes:

Property	Type	Description
width	Number	Picture width (in px).
height	Number	Picture height (in px).
path	String	Local path of picture.
orientation	String	Return picture orientation. Effective values are listed below.
type	String	Return picture format.

Orientation Parameter Description

Enumerator	Description
up	Default.
down	180-Degree rotation.
left	Rotate by 90 degree counterclockwise.
right	Rotate by 90 degree clockwise.
up-mirrored	Same as up except for flipping horizontally.
down-mirrored	Same as down except for flipping horizontally.
left-mirrored	Same as left except for flipping vertically.
right-mirrored	Same as right except for flipping vertically.