🎯 Quick Reference (30 seconds)
Purpose: Professional image generation using Google's Nano Banana Pro (Gemini 3 Pro Image Preview).
Key Features:
- Text-to-Image: Detailed prompts → 1K/2K/4K resolution images
- Image-to-Image: Style transfer, object manipulation, editing
- Real-time Grounding: Google Search integration for factual content
- Multi-Reference: Up to 14 reference images (6 objects + 5 humans)
- Advanced Text: Sophisticated text rendering directly in images
Two Models:
- Nano Banana Pro (gemini-3-pro-image-preview) - Professional quality, 10-60s
- Gemini 2.5 Flash (gemini-2.5-flash-image) - Fast, ~5-15s
Implementation Guide (5 minutes)
Features
- Text-to-Image generation with 1K/2K/4K resolutions
- Image-to-Image editing and style transfer
- Multi-turn refinement for iterative improvements
- Reference image guidance (up to 14 references)
- Real-time Google Search grounding for factual content
- Advanced text rendering directly in images
When to Use
- Generating professional visual assets for documentation or marketing
- Creating UI mockups and design concepts quickly
- Producing social media graphics and promotional images
- Illustrating technical documentation with custom diagrams
- Rapid prototyping of visual ideas before final design work
Core Patterns
Pattern 1: Structured Prompt for Quality
prompt = """
A serene Japanese garden at golden hour.
Lighting: warm sunset light filtering through maple trees.
Camera: wide-angle 35mm lens, low angle shot.
Composition: Rule of thirds, stone path leading to pagoda.
Color palette: warm gold, jade green, soft cream.
Style: photorealistic with slight cinematic color grading.
Quality: 4K resolution. Final output: PNG.
"""Pattern 2: Multi-Turn Refinement
- Generate initial image with base prompt
- Review output and identify areas for improvement
- Provide targeted refinement: "Make sky more dramatic"
- Iterate up to 5 turns for perfect result
Pattern 3: Reference-Guided Generation
# Use reference images to guide style
generate_image(
prompt="Mountain landscape in the style of reference",
reference_images=["style_ref.png", "composition_ref.png"],
resolution="2K",
aspect_ratio="16:9"
)📚 Core Patterns (5-10 minutes)
Pattern 1: Prompt Structure for Quality Images
Key Concept: Well-structured prompts generate better images
Template:
[Scene Description]
A [adjective] [subject] doing [action].
Setting: [location] with [environmental details].
[Photographic Elements]
Lighting: [type], creating [mood].
Camera: [angle] shot with [lens] lens.
Composition: [framing_details].
[Color & Style]
Color palette: [colors]. Style: [art_style].
Quality: [resolution]. Final output: [format].Example:
A serene Japanese garden at golden hour.
Lighting: warm sunset light, creating peaceful mood.
Camera: wide-angle 35mm lens shot.
Color palette: gold, jade green, cream.
Quality: 4K photorealistic. Final: PNG.Pattern 2: Text-to-Image Generation
Key Concept: Generate professional images from text prompts
Basic Flow:
- Write detailed, structured prompt
- Choose resolution (1K, 2K, 4K)
- Select aspect ratio (1:1, 16:9, 3:2, etc.)
- Enable Google Search for current information (optional)
- Generate and retrieve Base64 PNG
Execution:
image_data = generate_image(
prompt="Your detailed prompt here",
resolution="2K",
aspect_ratio="16:9",
enable_google_search=True, # For current info
thinking_process=True # Auto-optimize
)Pattern 3: Image-to-Image Editing
Key Concept: Transform existing images with detailed instructions
Common Tasks:
- Style Transfer: Convert to art style (Van Gogh, anime, etc.)
- Object Manipulation: Add, remove, or modify elements
- Composition Change: Reframe, zoom, or reposition subjects
- Quality Enhancement: Upscale, improve detail, adjust colors
Flow:
- Load original image
- Write transformation instruction
- Reference images (optional)
- Apply edit maintaining coherence
- Retrieve edited image
Pattern 4: Multi-Turn Refinement
Key Concept: Iteratively improve images through conversation
Workflow:
- Generate initial image
- Review output
- Provide refinement instruction
- Regenerate with improvements
- Repeat (max 5 turns)
Example:
Turn 1: "A mountain landscape at sunset"
Turn 2: "Make the sky more dramatic with purple clouds"
Turn 3: "Add a lone tree in foreground"Pattern 5: Reference Image Guidance
Key Concept: Use reference images to guide generation style
Supported References:
- Up to 6 object references
- Up to 5 human references
- Style influences
- Composition guides
Usage:
generate_image(
prompt="Similar style to reference",
reference_images=[
"path/to/style_reference.png",
"path/to/composition_ref.png"
]
)📖 Advanced Documentation
This Skill uses Progressive Disclosure. For detailed implementation:
- modules/prompt-engineering.md - Professional prompt templates
- modules/api-reference.md - Complete API documentation
- modules/examples.md - Real-world usage examples
- modules/troubleshooting.md - Common issues and solutions
🎨 Model Selection Guide
Choose Nano Banana Pro when:
- Professional quality required
- 2K/4K resolution needed
- Complex compositions
- Sophisticated text in images
- Real-time information important
- Budget allows (higher cost)
Choose Gemini 2.5 Flash when:
- Quick iterations needed
- Prototyping and testing
- High volume generation
- 1K resolution sufficient
- Speed critical
- Cost sensitive
Quick Reference (30 seconds)
Core Purpose: Professional AI image generation using Nano Banana Pro (Gemini 3 Pro) and Gemini 2.5 Flash.
Key Features: Text-to-image, image-to-image editing, multi-turn refinement, reference guidance, 4K resolution.
When to Use: Visual asset creation, prototyping, documentation, UI mockups, marketing materials.
Works Well With
Agents:
- design-uiux - UI/UX design integration
- code-frontend - Frontend asset implementation
- workflow-docs - Visual documentation generation
Skills:
- moai-lang-unified - UI/UX implementation with generated assets
- moai-docs-generation - Create visual documentation
- moai-cc-claude-md - Embed generated images in markdown
- moai-domain-frontend - Frontend integration
Commands:
/moai:3-sync- Documentation with visual assets/moai:9-feedback- Image generation improvements
🔗 Integration with Other Skills
Typical Workflow:
- Use this Skill to generate visual assets
- Use moai-domain-frontend to implement in UI
- Use moai-docs-generation to document with images
📈 Version History
1.0.1 (2025-11-23)
- 🔄 Refactored with Progressive Disclosure pattern
- 📚 Detailed prompts moved to modules/
- ✨ Core patterns highlighted in SKILL.md
- ✨ Added model selection guide
1.0.0 (2025-11-12)
- ✨ Nano Banana Pro (Gemini 3 Pro) support
- ✨ Text-to-Image and Image-to-Image
- ✨ Multi-turn refinement capability
- ✨ Reference image guidance
Maintained by: alfred Domain: Image Generation & Visual Creation Generated with: MoAI-ADK Skill Factory