nano-banana

# Nano Banana Pro

Image generation skill powered by Google's Gemini 3 Pro Image model. Enables text-to-image generation, image editing, multi-image composition, and real-time data visualization.

## Requirements

- `GEMINI_API_KEY` environment variable set
- Python packages: `google-genai`, `Pillow`

Install dependencies:
```bash
pip install -r requirements.txt
```

## Quick Start

### Generate an Image

```bash
python scripts/generate_image.py "A cat wearing a wizard hat" cat.png
```

### Edit an Existing Image

```bash
python scripts/edit_image.py photo.png "Add a sunset to the background" edited.png
```

### Compose Multiple Images

```bash
python scripts/compose_images.py "Create a group photo in an office" team.png person1.png person2.png
```

## Available Scripts

| Script | Purpose |
|--------|---------|
| `generate_image.py` | Text-to-image generation |
| `edit_image.py` | Edit/modify existing images |
| `compose_images.py` | Combine up to 14 reference images |
| `chat_image.py` | Interactive multi-turn refinement |
| `search_grounded_image.py` | Generate images with real-time search data |

## Generation Options

### Aspect Ratios
`1:1`, `2:3`, `3:2`, `3:4`, `4:3`, `4:5`, `5:4`, `9:16`, `16:9`, `21:9`

### Resolutions
`1K` (1024px), `2K`, `4K`

### Usage with Options

```bash
python scripts/generate_image.py "Futuristic motorcycle on Mars" mars.png --aspect 16:9 --size 4K
```

## Task Workflows

### Logo Generation

```bash
python scripts/generate_image.py "Clean black-and-white logo with text 'Daily Grind', sans-serif font, coffee bean icon, minimalist style" logo.png --aspect 1:1
```

### Product Mockup

```bash
python scripts/generate_image.py "Studio-lit product photo on polished concrete, 3-point softbox, 45-degree angle, professional e-commerce style" product.png --aspect 4:3 --size 4K
```

### Photorealistic Portrait

```bash
python scripts/generate_image.py "A photorealistic close-up portrait, shot on 85mm lens, golden hour lighting, shallow depth