| version | 1 |
| name | nanoppt |
| description | Generate stylized presentation slide images using Nano Banana AI. Converts article content to ASCII framework then generates AI images for each slide. Triggers include "nanoppt", "stylized slides", "AI slide images", "presentation images", "Doraemon style slides", "anime presentation". Do NOT use for regular presentations (use slide instead). |
NanoPPT
Generate stylized presentation images using Nano Banana (Google Gemini) image generation.
Requires Rebyte API auth — $AUTH_TOKEN and $API_URL are set up per the agent's system prompt; use them as Bearer token and base URL.
Workflow
Article -> ASCII Framework -> Select Style -> Generate Images -> Use in PPT
Step 1: Article to ASCII Framework
Read the article, extract core information, and create ASCII layout for each slide.
See tips/article-to-ascii-ppt.md for detailed methodology.
Step 2: Generate Images
Use scripts/generate.py for all image generation tasks.
Text-to-Image (New slides)
python scripts/generate.py \
--prompt "Doraemon style, presentation slide, title: Hello World" \
--model pro \
--aspect-ratio 16:9 \
--size 2K \
--output slide-01.png
Image-to-Image (Edit/Enhance existing)
python scripts/generate.py \
--input slide-01.png \
--prompt "Fix the text: change Helo to Hello" \
--model pro \
--output slide-01-fixed.png
Script Options
--prompt, -p Text prompt or editing instructions (required)
--input, -i Input image path (for image-to-image editing)
--output, -o Output image path (required)
--model, -m flash (fast, default) or pro (high quality)
--aspect-ratio 16:9, 1:1, 9:16, etc. (default: 16:9)
--size 1K, 2K, 4K (pro model only)
API Reference
Endpoint: POST $API_URL/api/data/images/generate
Authentication: Required. Use Authorization: Bearer $AUTH_TOKEN header.
| Parameter | Required | Description |
|---|
prompt | Yes | Text description or editing instructions |
image | No | Base64-encoded source image (for image-to-image) |
imageMimeType | No | image/png, image/jpeg, or image/webp (default: image/png) |
model | No | flash (fast, default) or pro (high quality) |
aspectRatio | No | 1:1, 16:9, 9:16, 4:3, 3:4, 21:9, etc. |
imageSize | No | 1K, 2K, 4K (pro model only) |
Example curl:
curl -X POST "$API_URL/api/data/images/generate" \
-H "Authorization: Bearer $AUTH_TOKEN" \
-H "Content-Type: application/json" \
-d '{"prompt": "Doraemon style presentation slide", "model": "flash", "aspectRatio": "16:9"}'
Response:
{
"image": {
"base64": "iVBORw0KGgo...",
"mimeType": "image/png",
"dataUrl": "data:image/png;base64,..."
},
"description": "AI generated description"
}
Style Examples
See examples/ directory for 18+ style samples:
- Anime: Doraemon, Naruto, Ghibli, One Piece
- Trendy: Cyberpunk, Vaporwave, Pixel Art
- Artistic: Ink Wash, Van Gogh, Art Deco
See tips/ppt-image-generation.md for prompt keywords per style.
Delivering Output
After generating slide images, upload them to the Artifact Store so the user can access them.
Tips
| Topic | File |
|---|
| Article to ASCII methodology | tips/article-to-ascii-ppt.md |
| Style prompt keywords | tips/ppt-image-generation.md |
| Text correction | tips/text-correction.md |
| 4K upscale | tips/4k-upscale.md |
