In the WeChat applet API, drawImage is used to draw the image, and the image maintains its original size.

drawImage

Definition

Draws an image, keeping the original size of the image.

Parameters

Example

const ctx = wx.createCanvasContext('myCanvas')

wx.chooseImage({
  success: function(res){
    ctx.drawImage(res.tempFilePaths[0], 0, 0, 150, 100)
    ctx.draw()
  }
})