image_size – measure image size(GIF, PNG, JPEG ,,, etc)

measure image (GIF, PNG, JPEG ,,, etc) size code by Pure Ruby

“PCX”, “PSD”, “XPM”, “TIFF”, “XBM”, “PGM”, “PBM”, “PPM”, “BMP”, “JPEG”, “PNG”, “GIF”, “SWF”

Download

The latest version of image_size can be found at

Installation

Normal Installation

You can install image_size with the following command.

% ruby setup.rb

from its distribution directory.

GEM Installation

Download and install image_size with the following.

gem install imagesize

image_size References

Simple Example

ruby "rubygems" # you use rubygems
ruby "image_size"
ruby "open-uri"
open("http://www.rubycgi.org/image/ruby_gtk_book_title.jpg", "rb") do |fh|
  p ImageSize.new(fh.read).get_size
end

Licence

This code is free to use under the terms of the Ruby's licence.

Contact

Comments are welcome. Send an email to “Keisuke Minami”:keisuke@rccn.com