Skip to content

BlindWatermark Options

Related: Blind watermark guide · Watermark options

Inheritance Note

This configuration inherits all options from Watermark Options, but enforces fixed values for:

  • globalAlpha: Always 0.005 (cannot be modified)
  • mode: Always 'blind' (cannot be modified)

Specialized Properties

globalAlpha

  • Type: number
  • Fixed Value: 0.005
  • Description: Preset to ultra-low transparency for blind watermark effect. All modification attempts will be automatically overridden.

mode

  • Type: string
  • Fixed Value: 'blind'
  • Description: Locked in blind watermark mode. Changing this value has no effect.

Example Usage

javascript
// These values will be automatically corrected:
new BlindWatermark({
  globalAlpha: 0.1,  // Will be forced to 0.005
  mode: 'default'    // Will be forced to 'blind'
})

Released under the MIT License.