# AquaMark - Professional Image Watermarking Bot

AquaMark is a comprehensive Discord bot designed to provide professional-grade image watermarking capabilities directly within your Discord server. The bot offers advanced customization options for protecting your digital content, branding your images, and maintaining intellectual property rights.

## Core Features

### Watermark Types
- **Text Watermarks**: Apply custom text overlays to your images with full typography control
- **Logo Watermarks**: Brand your images with custom logo placement
- **Combined Watermarks**: Utilize both text and logo watermarks simultaneously
- **Invisible Watermarks**: Embed steganographic watermarks using LSB (Least Significant Bit) technique for covert copyright protection

### Customization Options

**Positioning**: Choose from multiple placement options including center, bottom right, top left, top right, bottom left, or tiled patterns across the entire image.

**Visual Controls**: Adjust opacity levels from 0-100%, set custom rotation angles (0-360 degrees), select from an extensive color palette including 30+ named colors or use custom hex color codes, and optionally add stroke outlines to text for enhanced visibility.

**Presets**: Utilize professionally configured presets optimized for different use cases:
- Photography: Subtle corner watermark with 30% opacity
- Copyright: Tiled diagonal pattern at 50% opacity
- Subtle: Minimal watermark at 20% opacity for discrete branding
- Bold: Centered high-visibility watermark at 80% opacity

### Advanced Functionality

**Batch Processing**: Process up to 10 images simultaneously with consistent watermark settings, streamlining workflow for multiple files.

**User Preferences**: Save up to 10 custom watermark configurations per user for quick reapplication of frequently used settings.

**Preview Mode**: Generate low-resolution previews before committing to full-resolution processing.

**Metadata Preservation**: Automatically preserves image format (PNG, JPEG, WEBP) and embeds watermark metadata including processing date and user information.

## Technical Specifications

### Image Processing Capabilities
- Supports all standard image formats including PNG, JPEG, JPG, and WEBP
- Maximum file size: 25MB (Discord platform limit)
- Maximum resolution: 4096 x 4096 pixels (16 megapixels)
- Automatic image optimization and format preservation
- High-quality output with optimized compression

### Performance and Reliability
- Asynchronous processing using thread pools to prevent blocking operations
- NumPy-accelerated opacity adjustments for improved performance
- Comprehensive error handling and validation
- Detailed logging for troubleshooting and monitoring

### Rate Limiting and Security
- User-based rate limiting: 10 requests per 60-second window
- File validation to ensure only valid image files are processed
- Automatic dimension validation and resizing for oversized images
- Private delivery of watermarked images via direct messages

## Available Commands

- **/watermark**: Primary command for adding watermarks with extensive parameter options
- **/watermark_batch**: Process multiple images with identical settings
- **/watermark_stats**: View personal usage statistics and rate limit status
- **/watermark_presets**: Display all available preset configurations
- **/watermark_colors**: View complete list of supported color names
- **/watermark_preferences**: Manage saved watermark configurations
- **/watermark_delete_preference**: Remove saved preference configurations

## Use Cases

AquaMark is ideal for photographers protecting portfolio images, content creators branding social media posts, artists securing digital artwork, businesses applying corporate watermarks to marketing materials, and community managers providing watermarking services to server members.

## Privacy and Data Handling

All image processing occurs in-memory with no permanent storage of uploaded images. Watermarked images are delivered directly to users via Discord direct messages. User preferences are stored locally in JSON format with no external data transmission beyond Discord API interactions.

AquaMark

A professional-grade Discord bot for adding watermarks to images with extensive customization options.

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