BlendMode
混合模式。
type BlendMode =
| 'NORMAL'
| 'DARKEN'
| 'MULTIPLY'
| 'COLOR_BURN'
| 'LIGHTEN'
| 'SCREEN'
| 'COLOR_DODGE'
| 'OVERLAY'
| 'SOFT_LIGHT'
| 'HARD_LIGHT'
| 'DIFFERENCE'
| 'EXCLUSION'
| 'HUE'
| 'SATURATION'
| 'COLOR'
| 'LUMINOSITY'
| 'PLUS_DARKER'
| 'PLUS_LIGHTER'
| 'PASS_THROUGH'
NORMAL
:正常DARKEN
:变暗MULTIPLY
:正片叠底COLOR_BURN
:颜色加深LIGHTEN
:变亮SCREEN
:滤色COLOR_DODGE
:颜色减淡OVERLAY
:叠加SOFT_LIGHT
柔光HARD_LIGHT
:强光DIFFERENCE
:差集EXCLUSION
:排除HUE
:色相SATURATION
:饱和度COLOR
:颜色LUMINOSITY
:明度PLUS_DARKER
:高暗PLUS_LIGHTER
:高亮PASS_THROUGH
:穿透