Sha256: f232a318c1ce805709fb13f065f013a49db6a8b727893df430db02cca16f899f
Contents?: true
Size: 387 Bytes
Versions: 29
Compression:
Stored size: 387 Bytes
Contents
#! /usr/local/bin/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
29 entries across 29 versions & 2 rubygems