May 19, 2021 WeChat Mini Program Development Document
Base library 1.9.90 starts to support, and low versions need to be compatible
This property is the type of composition operation that is set to be applied when a new shape is drawn.
canvasContext.globalCompositeOperation = type
| The property value | Type | Description |
|---|---|---|
| type | String | Identify which composition or blend mode operation to use |
The actions supported by type are:
| Platform | Operation |
|---|---|
| Android | xor, source-over, source-atop, destination-out, lighter, overlay, darken, lighten, hard-light |
| Ios | xor, source-over, source-atop, destination-over, destination-out, lighter, multiply, overlay, darken, lighten, color-dodge, color-burn, hard-light, soft-light, difference, exclusion , saturation, luminosity |