Package Exports
- @aivue/image-caption
- @aivue/image-caption/dist/image-caption.css
Readme
@aivue/image-caption
🖼️ AI-powered image captioning for Vue.js applications using OpenAI Vision API
Generate intelligent, contextual captions for images using GPT-4 Vision, the most advanced computer vision model available. Perfect for accessibility, content management, social media, and AI-powered applications.
✨ Features
- 🤖 GPT-4 Vision - Most advanced image understanding AI
- 🎯 Easy Integration - Drop-in Vue component with minimal setup
- 🔑 Simple Authentication - Just add your OpenAI API key
- 📱 Drag & Drop Upload - Intuitive file upload with preview
- 🌐 URL Support - Caption images from URLs
- 📊 Batch Processing - Process multiple images at once
- 📈 History Tracking - Keep track of generated captions
- 💾 Export Data - Export captions as JSON or CSV
- 🎨 Beautiful UI - Modern, responsive design
- 🔧 TypeScript Support - Full type definitions included
- 📱 Mobile Friendly - Works great on all devices
🚀 Quick Start
Installation
npm install @aivue/image-captionBasic Usage
<template>
<div>
<AiImageCaption
:api-key="openaiApiKey"
@caption-generated="onCaptionGenerated"
/>
</div>
</template>
<script setup>
import { AiImageCaption } from '@aivue/image-caption';
import '@aivue/image-caption/dist/image-caption.css';
const openaiApiKey = import.meta.env.VITE_OPENAI_API_KEY;
const onCaptionGenerated = (result) => {
console.log('Generated caption:', result.caption);
};
</script>Environment Variables
Set your API key in environment variables:
# .env
VITE_OPENAI_API_KEY=your-openai-api-key📖 API Reference
Component Props
| Prop | Type | Default | Description |
|---|---|---|---|
apiKey |
string |
'' |
OpenAI API key |
model |
string |
'gpt-4o' |
AI model to use |
autoCaption |
boolean |
false |
Auto-generate caption on image upload |
maxHistorySize |
number |
20 |
Maximum number of captions to keep in history |
Component Events
| Event | Payload | Description |
|---|---|---|
caption-generated |
ImageCaptionResult |
Fired when caption is successfully generated |
caption-error |
Error |
Fired when caption generation fails |
image-uploaded |
ImageUploadEvent |
Fired when image is uploaded |
image-removed |
void |
Fired when image is removed |
Composable Usage
<script setup>
import { useImageCaption } from '@aivue/image-caption';
const {
generateCaption,
uploadImage,
isProcessing,
result,
error,
history
} = useImageCaption({
config: {
apiKey: import.meta.env.VITE_OPENAI_API_KEY,
model: 'gpt-4o'
}
});
// Generate caption for uploaded file
const handleFileUpload = async (file) => {
try {
await uploadImage(file);
const result = await generateCaption(file);
console.log('Caption:', result.caption);
} catch (error) {
console.error('Failed:', error);
}
};
</script>🎯 Available Models
| Model | ID | Description | Best For |
|---|---|---|---|
| GPT-4o | gpt-4o |
Latest and most capable vision model | General use, highest quality |
| GPT-4o Mini | gpt-4o-mini |
Faster and more cost-effective | High volume, cost-sensitive apps |
| GPT-4 Turbo | gpt-4-turbo |
High-intelligence vision model | Detailed analysis, complex scenes |
🔧 Configuration Options
interface ImageCaptionConfig {
apiKey?: string; // OpenAI API key
model?: string; // Model ID to use ('gpt-4o', 'gpt-4o-mini', 'gpt-4-turbo')
}
interface ImageCaptionOptions {
model?: string; // Override model for this request
prompt?: string; // Custom prompt for caption generation
detail?: 'low' | 'high' | 'auto'; // Image analysis detail level
maxTokens?: number; // Maximum response tokens (300)
temperature?: number; // Creativity level (0.7)
}🎨 Styling
The component comes with beautiful default styles, but you can customize them:
/* Override default styles */
.ai-image-caption {
--primary-color: #your-color;
--border-radius: 12px;
--spacing: 16px;
}
/* Custom upload area */
.upload-area {
border: 2px dashed #your-color;
background: #your-background;
}
/* Custom button styles */
.generate-btn {
background: linear-gradient(135deg, #your-gradient);
}📊 Advanced Usage
Batch Processing
<script setup>
import { useImageCaption } from '@aivue/image-caption';
const { generateBatchCaptions } = useImageCaption();
const processBatch = async (imageFiles) => {
const result = await generateBatchCaptions({
images: imageFiles,
options: {
model: 'gpt-4o',
prompt: 'Describe this image in detail for accessibility purposes.',
detail: 'high'
}
});
console.log(`Processed ${result.successCount} images`);
console.log('Results:', result.results);
};
</script>Custom Image Processing
<script setup>
import { useImageCaption, resizeImageFile } from '@aivue/image-caption';
const { generateCaption } = useImageCaption();
const processLargeImage = async (file) => {
// Resize large images for faster processing
const resizedFile = await resizeImageFile(file, {
maxWidth: 800,
maxHeight: 600,
quality: 0.8
});
const result = await generateCaption(resizedFile);
return result;
};
</script>Export History
<script setup>
import { useImageCaption } from '@aivue/image-caption';
const { exportHistory, history } = useImageCaption();
const downloadHistory = () => {
const jsonData = exportHistory('json');
const blob = new Blob([jsonData], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = 'image-captions.json';
a.click();
URL.revokeObjectURL(url);
};
</script>🔑 Getting Your API Key
- Go to OpenAI Platform
- Sign up for an account
- Go to API Keys
- Create a new secret key
- Copy your key (starts with "sk-") and use it as your API key
Pricing:
- GPT-4o: $5.00 / 1M input tokens, $15.00 / 1M output tokens
- GPT-4o Mini: $0.15 / 1M input tokens, $0.60 / 1M output tokens
- GPT-4 Turbo: $10.00 / 1M input tokens, $30.00 / 1M output tokens
🌟 Examples
Accessibility Enhancement
<template>
<div>
<img :src="imageUrl" :alt="altText" />
<AiImageCaption
:api-key="apiKey"
@caption-generated="updateAltText"
/>
</div>
</template>
<script setup>
const altText = ref('');
const updateAltText = (result) => {
altText.value = result.caption;
};
</script>Social Media Integration
<template>
<div class="social-post">
<AiImageCaption
:api-key="apiKey"
:auto-caption="true"
@caption-generated="suggestHashtags"
/>
<textarea v-model="postText" placeholder="Write your post..."></textarea>
</div>
</template>
<script setup>
const postText = ref('');
const suggestHashtags = (result) => {
const hashtags = generateHashtags(result.caption);
postText.value += `\n\n${hashtags}`;
};
</script>🤝 Contributing
We welcome contributions! Please see our Contributing Guide for details.
📄 License
MIT License - see LICENSE for details.
🔗 Links
Made with ❤️ by reachbrt