In the WeChat program API, the image is drawn using drawImage, and the image remains the original size
May 19, 2021 WeChat Mini Program Development Document
Table of contents
Drawing interfaces and methods
canvasContext.drawImage
Defined
Draws the image so that it remains the original size.
Parameters
| Parameters | Type | Description |
|---|---|---|
| imageResource | String | The picture resource to draw |
| Ⅹ | Number | The x coordinates in the upper left corner of the image |
| Y | Number | The y coordinates in the upper left corner of the image |
| width | Number | The width of the image |
| height | Number | The height of the image |
Example
const ctx = wx.createCanvasContext('myCanvas')
wx.chooseImage({
success: function(res){
ctx.drawImage(res.tempFilePaths[0], 0, 0, 150, 100)
ctx.draw()
}
})
