🖼️ Dynamic Watermark Overlay (AutoHotkey)
This script creates a dynamic on-screen watermark (text + image) that moves around the screen, bouncing like the classic DVD screensaver. The overlay is always on top, transparent to mouse clicks, and captured by screen recorders (OBS, Camtasia, Xbox Game Bar, etc.) — no video editing required.
✨ Features
📝 Customizable text watermark
Font, size, color, transparency
Moves independently across the screen
🖼️ Customizable image watermark
PNG/JPG support
Adjustable transparency
Independent speed and direction
⚡ Dynamic movement
Both text and image bounce off screen edges
Collision detection between text & image (they bounce apart when they meet)
🖱️ Click-through overlay
Does not block interaction with apps/windows
Still visible in all screen recordings
📂 Project Structure 📁 DynamicWatermark ┣ 📄 watermark.ahk # Main AutoHotkey script ┗ 📄 README.md # Documentation
⚙️ Customization 🔤 Text Watermark
Font & Style
Gui, 1: Font, s20 cWhite Bold, Arial
s20 → font size 20
cWhite → text color (supports names or hex codes, e.g. cFF0000)
Bold → style (can remove if not needed)
Arial → font family
Displayed Text
Gui, 1: Add, Text, vWatermarkText -Border, Telegram: Hex_Code
Replace "Telegram: Hex_Code" with your custom text.
Transparency
WinSet, Transparent, 255, WatermarkText
0 = invisible
255 = fully opaque
🖼️ Image Watermark
Path to image
Gui, 2: Add, Picture, vLogo -Border, C:\logo.jpg
Replace with the full path to your logo file.
Transparency
WinSet, Transparent, 255, WatermarkImage
🎬 Movement & Speed
Text movement speed (pixels per frame)
dx1 := 3 ; X speed dy1 := 3 ; Y speed
Image movement speed
dx2 := -4 dy2 := 2
Timer update interval (animation speed)
SetTimer, MoveOverlay, 40
Lower values = smoother/faster (e.g. 20 ≈ 50fps).
💡 Collision Detection
The script includes collision detection between text and image:
When they overlap, both reverse direction.
A small offset prevents them from “sticking” together.
🚀 Usage
Install AutoHotkey v1 .
Save the script as watermark.ahk.
Edit the customization section for your text, image, and speeds.
Double-click the script to run.
Start your screen recorder → the watermark will appear dynamically.
🔧 Notes
Runs on Windows only (requires AutoHotkey v1).
The watermark is not interactive — it floats above all apps but doesn’t block clicks.
Multiple monitors are supported; movement is constrained to your primary display area.