avatar-generator（头像生成器）

Avatar Generator

Professional avatar generator with 6 styles, multi-platform export, and customizable options.

Features

• 🎨 6 Avatar Styles: Letter, Geometric, Gradient, Abstract, Pattern, Badge
• 📱 Multi-Platform: Auto-export for 9+ platforms
• 🎯 Customizable: Colors, shapes, sizes, fonts
• ⚡ Fast Generation: Local Pillow rendering
• 🌍 Multi-Language: Chinese and English support

Supported Platforms

Avatar Styles

1. Letter Avatar (Initial Letter)

• Single letter or initials
• Clean background
• Professional look
• Best for: Business, professional

2. Geometric Avatar

• Abstract shapes
• Modern design
• Eye-catching
• Best for: Tech, creative

3. Gradient Avatar

• Smooth color transitions
• Trendy look
• Customizable
• Best for: Social media

4. Abstract Avatar

• Artistic patterns
• Unique design
• Stand out
• Best for: Creative, personal

5. Pattern Avatar

• Repeating elements
• Structured design
• Brand identity
• Best for: Teams, companies

6. Badge Avatar

• Circular frame
• Official look
• Identity badge
• Best for: Certification, ID

Trigger Conditions

• "Generate avatar" / "生成头像"
• "Create WeChat avatar" / "做微信头像"
• "Make social media avatar" / "生成社交头像"
• "avatar-generator"

Python Code

from PIL import Image, ImageDraw, ImageFont
import os
import colorsys
import random

class AvatarGenerator:
    def __init__(self):
        self.platforms = {
            'wechat': {'size': (640, 640), 'shape': 'square'},
            'qq': {'size': (100, 100), 'shape': 'square'},
            'xiaohongshu': {'size': (400, 400), 'shape': 'round'},
            'weibo': {'size': (200, 200), 'shape': 'round'},
            'twitter': {'size': (400, 400), 'shape': 'round'},
            'discord': {'size': (128, 128), 'shape': 'round'},
            'reddit': {'size': (256, 256), 'shape': 'round'},
            'facebook': {'size': (170, 170), 'shape': 'round'},
            'linkedin': {'size': (400, 400), 'shape': 'square'},
        }
    
    def _load_font(self, size):
        """Load font with fallback"""
        paths = [
            '/System/Library/Fonts/PingFang.ttc',
            '/System/Library/Fonts/STHeiti Light.ttc',
            '/usr/share/fonts/truetype/noto/NotoSansCJK-Regular.ttc',
        ]
        for p in paths:
            if os.path.exists(p):
                try:
                    return ImageFont.truetype(p, size)
                except:
                    continue
        return ImageFont.load_default()
    
    def create_letter_avatar(self, letter, bg_color, text_color, size=(400, 400)):
        """Style 1: Letter avatar"""
        img = Image.new('RGB', size, bg_color)
        draw = ImageDraw.Draw(img)
        
        font = self._load_font(size[0] // 2)
        
        bbox = draw.textbbox((0, 0), letter, font=font)
        w, h = bbox[2] - bbox[0], bbox[3] - bbox[1]
        x, y = (size[0] - w) // 2, (size[1] - h) // 2
        
        draw.text((x, y), letter, font=font, fill=text_color)
        return img
    
    def create_geometric_avatar(self, colors, size=(400, 400)):
        """Style 2: Geometric avatar"""
        img = Image.new('RGB', size, colors[0])
        draw = ImageDraw.Draw(img)
        
        # Add geometric shapes
        center = size[0] // 2
        draw.ellipse([(50, 50), (size[0]-50, size[1]-50)], fill=colors[1])
        draw.regular_polygon((center, center, size[0]//3), 6, fill=colors[2])
        
        return img
    
    def create_gradient_avatar(self, color1, color2, size=(400, 400)):
        """Style 3: Gradient avatar"""
        import numpy as np
        
        img = np.zeros((size[1], size[0], 3), dtype=np.uint8)
        for y in range(size[1]):
            ratio = y / size[1]
            r = int(color1[0] * (1-ratio) + color2[0] * ratio)
            g = int(color1[1] * (1-ratio) + color2[1] * ratio)
            b = int(color1[2] * (1-ratio) + color2[2] * ratio)
            img[y, :] = [r, g, b]
        
        return Image.fromarray(img)
    
    def create_abstract_avatar(self, seed, colors, size=(400, 400)):
        """Style 4: Abstract avatar"""
        random.seed(seed)
        img = Image.new('RGB', size, colors[0])
        draw = ImageDraw.Draw(img)
        
        for _ in range(10):
            x, y = random.randint(0, size[0]), random.randint(0, size[1])
            r = random.randint(20, 100)
            color = random.choice(colors[1:])
            draw.ellipse([(x-r, y-r), (x+r, y+r)], fill=color)
        
        return img
    
    def create_pattern_avatar(self, pattern_type, colors, size=(400, 400)):
        """Style 5: Pattern avatar"""
        img = Image.new('RGB', size, colors[0])
        draw = ImageDraw.Draw(img)
        
        cell_size = 40
        for x in range(0, size[0], cell_size):
            for y in range(0, size[1], cell_size):
                if (x // cell_size + y // cell_size) % 2 == 0:
                    draw.rectangle([(x, y), (x+cell_size, y+cell_size)], fill=colors[1])
        
        return img
    
    def create_badge_avatar(self, text, bg_color, border_color, size=(400, 400)):
        """Style 6: Badge avatar"""
        img = Image.new('RGB', size, (255, 255, 255))
        draw = ImageDraw.Draw(img)
        
        # Draw circular badge
        margin = 20
        draw.ellipse([(margin, margin), (size[0]-margin, size[1]-margin)], 
                     fill=bg_color, outline=border_color, width=5)
        
        # Add text
        font = self._load_font(size[0] // 4)
        bbox = draw.textbbox((0, 0), text, font=font)
        w, h = bbox[2] - bbox[0], bbox[3] - bbox[1]
        x, y = (size[0] - w) // 2, (size[1] - h) // 2
        draw.text((x, y), text, font=font, fill='white')
        
        return img
    
    def make_round(self, img):
        """Make image circular"""
        size = img.size
        mask = Image.new('L', size, 0)
        draw = ImageDraw.Draw(mask)
        draw.ellipse([(0, 0), size], fill=255)
        
        result = Image.new('RGBA', size, (0, 0, 0, 0))
        result.paste(img, mask=mask)
        return result
    
    def export_multi_platform(self, img, output_dir, platforms=None):
        """Export for multiple platforms"""
        os.makedirs(output_dir, exist_ok=True)
        
        if platforms is None:
            platforms = list(self.platforms.keys())
        
        exported = []
        for platform in platforms:
            if platform in self.platforms:
                config = self.platforms[platform]
                resized = img.resize(config['size'], Image.LANCZOS)
                
                if config['shape'] == 'round':
                    resized = self.make_round(resized)
                
                path = os.path.join(output_dir, f'avatar_{platform}.png')
                resized.save(path)
                exported.append(path)
        
        return exported

# Example usage
gen = AvatarGenerator()

# Letter avatar
avatar1 = gen.create_letter_avatar('Z', (30, 60, 114), (255, 255, 255))

# Gradient avatar
avatar2 = gen.create_gradient_avatar((67, 142, 219), (30, 60, 114))

# Export to all platforms
gen.export_multi_platform(avatar1, 'output/')

Usage Examples

User: "Generate a WeChat avatar with blue background and white Z"
Agent: Create 640×640 letter avatar

User: "Make a gradient avatar for Xiaohongshu"
Agent: Create 400×400 round gradient avatar

User: "Create social media avatars"
Agent: Generate avatars for all platforms

Notes

• All avatars generated locally with Pillow
• No external API required
• Cross-platform compatible
• Supports Chinese and English text