Build an Image Watermark Editor with FLTK & Rust : How to Add Watermarks | Tutorial 16
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In this tutorial, we'll add watermarking capabilities to our Rust Image Viewer application. Learn how to implement both image and text watermarks with features you'd find in professional software.
How to:
Implement watermark support for both images and text
Create a flexible template system for saving watermark configurations
Build a user-friendly dialog interface for watermark customization
Add advanced blending modes and opacity controls
Manage font rendering for text watermarks
Handle image format conversions between FLTK and the image crate
Implement preview and position controls
Implement error handling and state management
Technical Features:
Custom blend modes (Normal, Multiply, Screen, Overlay)
Text rendering with font support
Template import/export functionality
Position controls (TopLeft, TopRight, BottomLeft, BottomRight, Center, Custom)
Opacity and scale adjustments
Rotation support
Preview functionality
📂 Source Code: https://github.com/cesco345
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