Banner Maker

A powerful, customizable Python tool to generate modern banners for your projects. Create professional-looking banners with custom titles, subtitles, icons, colors, gradients, patterns, shapes, textures, and effects.

Developed by obarlik at Codechu

✨ Features

• 🎨 Highly Customizable: Title, subtitle, colors, fonts, gradients
• 🖼️ Icon Support: PNG, JPG, SVG formats with automatic sizing
• 🌈 Advanced Gradients: Vertical, horizontal, diagonal, radial gradients
• 🔷 Pattern System: Dots, squares, triangles, stars, hearts, lines, waves with rotation
• 🔶 Shape Elements: Circles, polygons, blobs, waves with customizable properties
• 🎭 Texture Effects: Noise, grain, concrete, leather, metal, and more
• ✨ Visual Effects: Bloom, glow, vintage filters, chromatic aberration
• 🔄 Auto Color Detection: Automatically extracts colors from your logo
• 📐 Smart Layout: Automatic text sizing and positioning
• 🎯 Multiple Outputs: Single banner or demo grid with variations
• 🎪 60+ Built-in Presets: Professional design templates
• 🔧 Modern CLI Interface: Compact syntax with extensive options

🚀 Quick Start

Basic Usage

# Install dependencies
pip install -r requirements.txt

# Generate a simple banner
python banner_maker.py --title "My Project" --subtitle "Awesome Project Description"

# With custom icon
python banner_maker.py --title "My Project" --icon logo.png

Advanced Usage

# Use a preset
python banner_maker.py --preset modern_blue --title "My Project"

# Generate demo grid with 60 variations
python banner_maker.py --demo

# Modern compact syntax
python banner_maker.py --title "API Docs" --bg "orange:red:diagonal" --pattern "dots:white:25" --shape "wave:blue:60"

# Multiple elements with effects
python banner_maker.py \
  --title "Data Platform" \
  --bg "purple:blue:radial" \
  --pattern "triangles:white:30" \
  --shape "polygon:cyan:40" \
  --texture "grain:20" \
  --effect "bloom:0.8" \
  --rounded "25"

📋 Parameters

Basic Options

• --title - Project title (default: "Banner Maker")
• --subtitle - Project subtitle/slogan (default: "Customizable Project Banner Generator")
• --icon - Path to icon image (optional)
• --output - Output file name (default: "banner.png")

Colors & Gradients

• --bg-color-start - Background gradient start color (hex)
• --bg-color-end - Background gradient end color (hex)
• --text-color - Text color (hex)
• --gradient-type - Gradient direction: vertical, horizontal, diagonal, radial
• --auto-color - Automatically use dominant colors from icon

Patterns & Shapes (Modern Syntax)

• --pattern - Background patterns: "type:color:opacity" (dots, squares, triangles, stars, hearts, lines, waves)
• --shape - Decorative shapes: "type:color:opacity" (circle, polygon, blob, wave)
• --texture - Background textures: "type:opacity" (noise, grain, concrete, leather, metal)
• --effect - Visual effects: "type:intensity" (bloom, glow, vintage, monochrome)

Effects & Styling

• --rounded - Corner radius: "value" or "tl,tr,bl,br" for individual corners
• --intensity - Global intensity modifier: low/medium/high
• --contrast - Global contrast modifier: low/medium/high

Advanced Options

• --min-contrast - Minimum text-background contrast ratio
• --shadow-opacity - Text shadow opacity (0-255)
• --corner-radius-tl/tr/bl/br - Individual corner radius values
• --padding - Padding around text and logo (px)

Demo & Presets

• --demo - Generate demo banner set with variations
• --preset - Use built-in preset (modern_blue, purple_tech, minimal_black, etc.)

🎨 Built-in Presets (60+ Available)

Popular Presets

• geometric_chaos - Dynamic triangles with random rotation and vibrant gradients
• polygon_constellation - Star patterns with multiple geometric shapes
• modern_blue - Professional blue gradient with clean design
• purple_tech - Tech-style with diagonal gradients and dot patterns
• architect_concrete - Minimalist concrete texture with geometric elements
• playful_rainbow - Colorful hearts pattern for creative projects
• vaporwave - Retro pink-blue aesthetic with line patterns
• ocean_waves - Flowing wave patterns with ocean colors

Categories

• Professional - business_green, github_pro, fintech_gold
• Creative - blob_garden, organic_blobs, nature_breeze
• Tech - cyber_yellow, dark_portfolio, matrix_grid
• Accessible - accessible_blue_orange, bw_high_contrast
• Artistic - vintage_leather, textile_corduroy, pixel_art

Use --learn PRESET_NAME to see the CLI equivalent of any preset.

📦 Installation

# Clone the repository
git clone https://github.com/obarlik/banner-maker.git
cd banner-maker

# Install dependencies
pip install -r requirements.txt

🔧 Requirements

• Python 3.8+
• Pillow (PIL)
• NumPy (for noise texture effects)

📸 Examples

Basic Banner

python banner_maker.py --title "My Awesome Project" --subtitle "The best tool ever created"

Using Presets

python banner_maker.py --preset geometric_chaos --title "My Project"
python banner_maker.py --preset vaporwave --title "Retro App"

Modern Compact Syntax

# Multi-element design
python banner_maker.py --title "AI Platform" --bg "purple:pink:radial" --pattern "stars:white:25" --effect "glow:0.6"

# Professional style
python banner_maker.py --preset architect_concrete --title "Construction Co" --intensity "high"

🎯 Output

The tool generates:

• Single Banner: PNG file (1024x256 px) optimized for GitHub README
• Demo Grid: Collection of banner variations with parameter labels
• Log File: Detailed parameter information for each generated banner

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• Inspired by modern GitHub project banners
• Built with Pillow (PIL) for image processing
• Powered by NumPy for efficient numerical computations
• Designed for developer productivity

Fonts

• DejaVu Sans Mono - High quality monospace font (Bitstream Vera License)
• Inter - Modern sans-serif font by Rasmus Andersson (SIL Open Font License)

Optional Dependencies

• SciPy - Scientific computing library for advanced texture effects
• Matplotlib - Plotting library for data visualization features

Made with ❤️ for the GitHub community