Slack Gif Creator

Slack GIF Creator Skill

This skill helps create lightweight, animated GIFs perfect for Slack reactions or messages using Python.

Core Capabilities

1. Frame Generation: Create frames programmatically using Pillow (PIL).
2. GIF Assembly: Combine frames into animated GIFs using imageio.
3. Optimization: Control FPS, duration, and color usage for small file sizes.

Dependencies

• imageio (pip install imageio) - GIF creation.
• Pillow (pip install Pillow) - Frame drawing.

Workflow Examples

1. Simple Growing Circle Animation

import imageio
from PIL import Image, ImageDraw

frames = []
for i in range(20):
    img = Image.new('RGBA', (200, 200), (255, 255, 255, 0)) # Transparent background
    draw = ImageDraw.Draw(img)
    
    radius = 10 + i * 5
    center = (100, 100)
    msg = f"Frame {i}"
    
    draw.ellipse((center[0]-radius, center[1]-radius, center[0]+radius, center[1]+radius), fill='red')
    
    frames.append(img)

# Save as GIF
imageio.mimsave('growing_circle.gif', frames, fps=10, loop=0)

2. Text Animation (Marquee Style)

import imageio
from PIL import Image, ImageDraw, ImageFont

frames = []
text = " LOADING... "
font = ImageFont.load_default() # Or load a TTF

for i in range(len(text)):
    img = Image.new('RGB', (200, 50), 'white')
    draw = ImageDraw.Draw(img)
    
    display_text = text[i:] + text[:i]
    draw.text((10, 15), display_text, fill='black', font=font)
    
    frames.append(img)

imageio.mimsave('marquee.gif', frames, fps=5, loop=0)

Best Practices for Slack

• Size: Keep under 5MB (ideally <1MB for quick loading).
• Dimensions: Small (e.g., 128x128 for emojis, 300x300 for inline).
• FPS: 10-15 FPS is usually sufficient for simple animations.
• Transparency: Use RGBA mode for transparent backgrounds if needed.

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