Lumeo

Watermark

Adds a repeating text watermark overlay to content.

Installation

dotnet add package Lumeo

One-time app setup (AddLumeo(), CSS & JS) is covered in the installation guide.

Usage

@using Lumeo

<Watermark />

When to Use

  • Document protection to discourage unauthorized screenshots or sharing
  • Draft indicators overlaid on content that is not yet finalized
  • Confidential overlays marking sensitive or restricted information
  • Branding watermarks on previews or demo content

This document contains sensitive information that should not be shared externally.

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Draft Document

This is a work in progress. Content may change before final publication.

API Reference

Property Type Default Description
Textstring?nullWatermark text to display.
Rotationint-22Text rotation angle in degrees.
Gapint100Spacing between watermark repetitions.
FontSizeint14Font size in pixels.
Opacitydouble0.1Text opacity (0-1).
ChildContentRenderFragment?nullContent to display under the watermark.
  • Image — Display images that may need watermark protection
  • Card — Container for content that can be watermarked