presetup

Author: stanislaw

Gemfile

@@ -5,10 +5,13 @@ source "http://rubygems.org"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
+gem 'ruby-vips'
+gem 'rmagick'
+
 group :development do
-  gem "rspec", "~> 2.8.0"
-  gem "rdoc", "~> 3.12"
-  gem "bundler", "~> 1.0.0"
+  # gem "rspec", "~> 2.8.0"
+  # gem "rdoc", "~> 3.12"
+  gem "bundler"
   gem "jeweler", "~> 1.8.3"
-  gem "rcov", ">= 0"
+  # gem "rcov", ">= 0"
 end

Gemfile.lock

@@ -0,0 +1,24 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    git (1.2.5)
+    jeweler (1.8.4)
+      bundler (~> 1.0)
+      git (>= 1.2.5)
+      rake
+      rdoc
+    json (1.7.3)
+    rake (0.9.2.2)
+    rdoc (3.12)
+      json (~> 1.4)
+    rmagick (2.13.1)
+    ruby-vips (0.1.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler
+  jeweler (~> 1.8.3)
+  rmagick
+  ruby-vips

images/huge.jpg

@@ -0,0 +1,17 @@
+#!/usr/bin/ruby
+
+require 'rubygems'
+require 'RMagick'
+
+include Magick
+
+puts Magick::Long_version
+
+im = ImageList.new(ARGV[0])
+
+im = im.shave(100, 100)
+im = im.scale(0.9)
+kernel = [-1, -1, -1, -1, 16, -1, -1, -1, -1]
+im = im.convolve(3, kernel)
+
+im.write(ARGV[1])

images/huge_output.jpg

@@ -0,0 +1,22 @@
+#!/usr/bin/ruby
+
+require 'rubygems'
+require 'vips'
+
+puts "Ruby-vips #{VIPS::VERSION}"
+
+include VIPS
+
+im = Image.new(ARGV[0])
+
+im = im.extract_area(100, 100, im.x_size - 200, im.y_size - 200)
+im = im.affinei(:bilinear, 0.9, 0, 0, 0.9, 0, 0)
+mask = [
+    [-1, -1,  -1],
+    [-1,  16, -1,],
+    [-1, -1,  -1]
+]
+m = Mask.new mask, 8, 0 
+im = im.conv(m)
+
+im.write(ARGV[1])

images/medium.jpg

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# echo "Ruby-vips"
+
+time ruby ruby/ruby-vips.rb images/huge.jpg images/huge_output.jpg
+
+echo
+# echo "RMagick"
+
+time ruby ruby/rmagick.rb images/huge.jpg images/huge_output.jpg