Sha256: 9388e4aa411a58f35325404baf6ab00a6f490cbfc492ffcd38234df0e7d0abf3
Contents?: true
Size: 383 Bytes
Versions: 19
Compression:
Stored size: 383 Bytes
Contents
#!/usr/bin/env ruby -w
require 'rmagick'
img = Magick::Image.read('images/Flower_Hat.jpg').first
# Convert to grayscale
sketch = img.quantize(256, Magick::GRAYColorspace)
# Apply histogram equalization
sketch = sketch.equalize
# Sketch, then dissolve 25% of the original back in
sketch = sketch.sketch(0, 10, 135)
img = img.dissolve(sketch, 0.75, 0.25)
img.write('sketch.jpg')
Version data entries
19 entries across 19 versions & 3 rubygems