Style
imagelayerofstyleParameters only supportopacity。
| style | type | describe | default value |
|---|---|---|---|
| opacity | number |
Graphic transparency | 1 |
| brightness | number |
brightness of graphics | 1 |
| contrast | number |
graphic contrast | 1 |
| saturation | number |
graphic saturation | 1 |
| gamma | number |
The gamma value of the graphic | 1 |