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#!/usr/bin/env python3
import os
from pathlib import Path
from PIL import Image, ImageDraw, ImageFont
import re
import json
def extract_theme_colors(css_file):
"""Extract color scheme from CSS file"""
with open(css_file, 'r') as f:
css_content = f.read()
colors = {}
patterns = {
'background': r'--color-bg:\s*([#\w]+);',
'text': r'--color-text:\s*([#\w]+);',
'primary': r'--color-primary:\s*([#\w]+);',
'secondary': r'--color-secondary:\s*([#\w]+);',
'accent': r'--color-accent:\s*([#\w]+);',
'glow': r'--color-glow:\s*([#\w]+);'
}
for name, pattern in patterns.items():
match = re.search(pattern, css_content)
if match:
colors[name] = match.group(1)
return colors
def hex_to_rgb(hex_color):
"""Convert hex color to RGB tuple"""
hex_color = hex_color.lstrip('#')
return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))
def create_retro_preview(theme_name, colors, effect_type, output_path):
"""Create a retro-themed preview"""
width, height = 400, 300
# Convert colors
bg_rgb = hex_to_rgb(colors.get('background', '#000000'))
text_rgb = hex_to_rgb(colors.get('text', '#00ff00'))
primary_rgb = hex_to_rgb(colors.get('primary', '#00ff00'))
secondary_rgb = hex_to_rgb(colors.get('secondary', '#00cc00'))
# Create base image
img = Image.new('RGB', (width, height), color=bg_rgb)
draw = ImageDraw.Draw(img)
# Load monospace font
font_paths = [
"/usr/share/fonts/truetype/liberation/LiberationMono-Bold.ttf",
"/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Bold.ttf",
"/System/Library/Fonts/Monaco.ttf",
"C:\\Windows\\Fonts\\consola.ttf"
]
title_font = None
body_font = None
small_font = None
for font_path in font_paths:
if os.path.exists(font_path):
try:
title_font = ImageFont.truetype(font_path, 20)
body_font = ImageFont.truetype(font_path, 12)
small_font = ImageFont.truetype(font_path, 10)
break
except:
continue
if not title_font:
title_font = ImageFont.load_default()
body_font = ImageFont.load_default()
small_font = ImageFont.load_default()
# Add effect overlay
if effect_type == "scanlines":
for y in range(0, height, 4):
draw.line([(0, y), (width, y)], fill=(255, 255, 255, 10), width=1)
elif effect_type == "grid":
for x in range(0, width, 20):
draw.line([(x, 0), (x, height)], fill=(255, 255, 255, 8), width=1)
for y in range(0, height, 20):
draw.line([(0, y), (width, y)], fill=(255, 255, 255, 8), width=1)
elif effect_type == "dots":
for x in range(10, width, 20):
for y in range(10, height, 20):
draw.ellipse([(x-1, y-1), (x+1, y+1)], fill=primary_rgb + (30,))
elif effect_type == "crt":
# Curved edges effect
overlay = Image.new('RGBA', (width, height), (0, 0, 0, 0))
overlay_draw = ImageDraw.Draw(overlay)
for i in range(20):
alpha = int(255 * (i / 20))
overlay_draw.rectangle([(i, i), (width-i, height-i)],
fill=(0, 0, 0, 0),
outline=(0, 0, 0, alpha),
width=2)
img = Image.alpha_composite(img.convert('RGBA'), overlay).convert('RGB')
draw = ImageDraw.Draw(img)
# Terminal prompt style header
if effect_type == "terminal" or "terminal" in theme_name:
draw.text((10, 10), f"$ theme --preview {theme_name}",
fill=primary_rgb, font=body_font)
draw.text((10, 30), "> LOADING...", fill=secondary_rgb, font=small_font)
y_offset = 60
else:
# Regular header
draw.text((10, 10), theme_name.replace('_', ' ').upper(),
fill=primary_rgb, font=title_font)
y_offset = 40
# Draw retro-style content
draw.text((10, y_offset), "SYSTEM: RETRO THEME",
fill=secondary_rgb, font=body_font)
# Status lines
y_offset += 30
status_lines = [
"WIDTH: 1200PX MIN",
"LAYOUT: SINGLE COLUMN",
f"EFFECT: {effect_type.upper()}",
"STATUS: ACTIVE"
]
for line in status_lines:
draw.text((10, y_offset), f"> {line}", fill=text_rgb, font=small_font)
y_offset += 15
# Draw some decorative elements
y_offset += 20
draw.rectangle([(10, y_offset), (width-10, y_offset+2)], fill=primary_rgb)
# Footer
draw.text((10, height-30), f"[{effect_type.upper()}]",
fill=secondary_rgb, font=small_font)
draw.text((width-100, height-30), "RETRO MODE",
fill=secondary_rgb, font=small_font)
# Add glow effect to text
if colors.get('glow'):
# Create a glow layer
glow_layer = Image.new('RGB', (width, height), bg_rgb)
glow_draw = ImageDraw.Draw(glow_layer)
glow_draw.text((10, 10), theme_name.replace('_', ' ').upper(),
fill=primary_rgb, font=title_font)
glow_layer = glow_layer.filter(ImageFilter.GaussianBlur(radius=2))
img = Image.blend(img, glow_layer, 0.3)
# Save image
img.save(output_path, quality=95, optimize=True)
def main():
themes_dir = Path("/home/paul/git/gemtexter/extras/html/themes")
screenshots_dir = themes_dir / "screenshots"
# Load metadata
with open(themes_dir / "retro_themes_metadata.json", "r") as f:
themes_metadata = json.load(f)
print(f"Creating screenshots for {len(themes_metadata)} retro themes...")
for i, theme_info in enumerate(themes_metadata):
theme_name = theme_info['name']
theme_dir = themes_dir / theme_name
if not theme_dir.exists():
continue
# Extract colors from CSS
css_file = theme_dir / "style.css"
if css_file.exists():
colors = extract_theme_colors(css_file)
effect_type = theme_info.get('effect', 'none')
# Create screenshot
output_path = screenshots_dir / f"{theme_name}.png"
create_retro_preview(theme_name, colors, effect_type, output_path)
print(f"✓ [{i+1}/{len(themes_metadata)}] {theme_name}")
print("\nRetro theme screenshots created!")
if __name__ == "__main__":
# Import after checking
try:
from PIL import ImageFilter
except ImportError:
print("Installing Pillow for image filtering...")
os.system("pip install Pillow")
from PIL import ImageFilter
main()
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