WeChat small program API drawing setShadow (set shadow style)
May 19, 2021 WeChat Mini Program Development Document
Table of contents
Drawing interfaces and methods
canvasContext.setShadow
Defined
Set the shadow style.
Tip:
If not set, offsetX default is 0, offsetY default is 0, blur default is 0, color default is
black
Parameters
| Parameters | Type | Range | Defined |
|---|---|---|---|
| offsetX | Number | The offset of the shadow relative to the shape horizontally | |
| offsetY | Number | The offset of the shadow relative to the shape in the vertical direction | |
| blur | Number | 0~100 | The fuzzy level of the shadow, the larger the value, the more blurry it becomes |
| color | Color | The color of the shadow |
Example
const ctx = wx.createCanvasContext('myCanvas')
ctx.setFillStyle('red')
ctx.setShadow(10, 50, 50, 'blue')
ctx.fillRect(10, 10, 150, 75)
ctx.draw()
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