Image Convert

The "Device App" can not show png images due to the limitation of device. The image can be shown normally after converting by image module.

image module

convert

Converting png images to image formats supported by the "Device App".

Types

(options: Options) => Promise<Result>

Parameters

Options: object

Property	Description	Required	Type
filePath	Path to the image that needs to be converted	YES	string
targetFilePath	If not filled, the rule for the path of the converted image is ${filePath}_converted. For example given the filePath value data://1.png, the converted path is data://1.png_converted	NO	string

Result: object

Property	Description	Type
filePath	Original Image Path	string
targetFilePath	Converted Image Path	string
options	Image Conversion Information	ResultOption

ResultOption: object

Property	Description	Type
size	Converted file size in bytes	number

Code Example

AppSideService({
  onInit() {
    image
      .convert({
        filePath: 'data://download/test.png'
      })
      .then((result) => {
        console.log(reslut.targetFilePath) // data://download/test.png_converted
      })

    image
      .convert({
        filePath: 'data://download/test.png',
        targetFilePath: 'data://download/converted_test.png'
      })
      .then((result) => {
        console.log(reslut.targetFilePath) // data://download/converted_test.pang
      })
  }
})