This interactive flowchart shows the decision tree for generating book cover images using the `generate-cover.sh` script. The workflow adapts based on your available resources: OpenAI API billing, ChatGPT Pro subscription, and operating system. <iframe src="./main.html" width="100%" height="600px" scrolling="no" style="border: none;"></iframe> [View Fullscreen](./main.html){ .md-button .md-button--primary }
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# Cover Image Generation Workflow
This interactive flowchart shows the decision tree for generating book cover images using the `generate-cover.sh` script. The workflow adapts based on your available resources: OpenAI API billing, ChatGPT Pro subscription, and operating system.
<iframe src="./main.html" width="100%" height="600px" scrolling="no" style="border: none;"></iframe>
[View Fullscreen](./main.html){ .md-button .md-button--primary }
## Overview
The cover image generation script supports three modes of operation:
1. **Full Auto Mode** - Requires OpenAI API with active billing
2. **Local Prompt + Browser Mode** - Requires ChatGPT Pro and macOS
3. **Local Prompt + Manual Mode** - Requires ChatGPT Pro (any OS)
## Decision Points
### HAS_OPENAI_API_KEY
Checks if the `OPENAI_API_KEY` environment variable is set. This is required for any API-based operations.
```bash
export OPENAI_API_KEY='your-key-here'
```
### API Billing Active
Even with a valid API key, your OpenAI account must have active billing enabled. The script tests this by making a simple API call.
- **If billing is active**: Use full auto mode for seamless image generation
- **If billing is not active**: Fall back to ChatGPT Pro workflow
### HAS_CHATGPT_PRO
ChatGPT Pro/Plus subscription ($20/month) allows you to generate images through the ChatGPT interface. This is separate from API billing.
### ON_MACOS
The `--open-browser` flag uses AppleScript to automate browser interaction, which only works on macOS.
## Usage Commands
### Full Auto Mode (API billing required)
```bash
./generate-cover.sh
```
### Local Prompt with Browser Automation (macOS + ChatGPT Pro)
```bash
./generate-cover.sh --open-browser
```
### Local Prompt Only (ChatGPT Pro, any OS)
```bash
./generate-cover.sh --local-prompt
```
## Output
All modes produce a cover image saved to:
```
docs/img/cover.png
```
**Specifications:**
- Size: 1200x630 pixels
- Aspect Ratio: 1.91:1 (Open Graph standard)
- Format: PNG
## Related Resources
- [Image Generation README](https://github.com/dmccreary/claude-skills/tree/main/src/image-generation)
- [OpenAI Billing Setup](https://platform.openai.com/account/billing)
- [ChatGPT Plus](https://openai.com/chatgpt/pricing)
