StreamBlock

A Python application that creates draggable colored overlay blocks on your screen.

Download

• Windows: Download the package from the releases page
• Others: Clone this project and run the .py (you might have to remove the win32gui and win32api imports, not tested)

Features

• Draggable Blocks: Create movable colored rectangles anywhere on your screen
• Resizable: Easily adjust block dimensions with right-click drag
• Color Customization: Choose any color for your blocks
• Always on Top: Blocks stay visible over all other applications
• Save/Load Layouts: Preserve your block arrangements for future use
• Real-time Controls: Modify, move, and delete blocks on the fly

Usage

1. Create blocks:

   • Choose a color using the "Choose Color" button
   • Click "➕ Add New Block" to create a new overlay

2. Control blocks:

   • Move: Left-click and drag
   • Resize: Right-click and drag from bottom-right
   • Delete: Double-click on the block
   • Change Color: Middle-click on the block

Technical Details

• Framework: tkinter (Python's standard GUI library)
• Image Processing: Pillow (PIL)
• Windows Integration: pywin32 for DPI awareness and screen metrics
• Data Storage: JSON for layout persistence

Use Cases

• Live Streams: Hide burned-in ads or watermarks during live stream viewing
• Live Streaming: Hide personal information, notifications, or sensitive content
• Screen Recording: Block out areas you don't want recorded
• Presentations: Cover content until ready to reveal
• Privacy: Temporarily hide desktop elements during screen sharing