annotate .svn/pristine/b6/b655ad2d788904a0652e611b77d64e13681af213.svn-base @ 1327:287f201c2802 redmine-2.2-integration

Add italic
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Wed, 19 Jun 2013 20:56:22 +0100
parents 038ba2d95de8
children
rev   line source
Chris@1296 1 # Redmine - project management software
Chris@1296 2 # Copyright (C) 2006-2012 Jean-Philippe Lang
Chris@1296 3 #
Chris@1296 4 # This program is free software; you can redistribute it and/or
Chris@1296 5 # modify it under the terms of the GNU General Public License
Chris@1296 6 # as published by the Free Software Foundation; either version 2
Chris@1296 7 # of the License, or (at your option) any later version.
Chris@1296 8 #
Chris@1296 9 # This program is distributed in the hope that it will be useful,
Chris@1296 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1296 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@1296 12 # GNU General Public License for more details.
Chris@1296 13 #
Chris@1296 14 # You should have received a copy of the GNU General Public License
Chris@1296 15 # along with this program; if not, write to the Free Software
Chris@1296 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Chris@1296 17
Chris@1296 18 require 'fileutils'
Chris@1296 19
Chris@1296 20 module Redmine
Chris@1296 21 module Thumbnail
Chris@1296 22 extend Redmine::Utils::Shell
Chris@1296 23
Chris@1296 24 CONVERT_BIN = (Redmine::Configuration['imagemagick_convert_command'] || 'convert').freeze
Chris@1296 25
Chris@1296 26 # Generates a thumbnail for the source image to target
Chris@1296 27 def self.generate(source, target, size)
Chris@1296 28 return nil unless convert_available?
Chris@1296 29 unless File.exists?(target)
Chris@1296 30 directory = File.dirname(target)
Chris@1296 31 unless File.exists?(directory)
Chris@1296 32 FileUtils.mkdir_p directory
Chris@1296 33 end
Chris@1296 34 size_option = "#{size}x#{size}>"
Chris@1296 35 cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -thumbnail #{shell_quote size_option} #{shell_quote target}"
Chris@1296 36 unless system(cmd)
Chris@1296 37 logger.error("Creating thumbnail failed (#{$?}):\nCommand: #{cmd}")
Chris@1296 38 return nil
Chris@1296 39 end
Chris@1296 40 end
Chris@1296 41 target
Chris@1296 42 end
Chris@1296 43
Chris@1296 44 def self.convert_available?
Chris@1296 45 return @convert_available if defined?(@convert_available)
Chris@1296 46 @convert_available = system("#{shell_quote CONVERT_BIN} -version") rescue false
Chris@1296 47 logger.warn("Imagemagick's convert binary (#{CONVERT_BIN}) not available") unless @convert_available
Chris@1296 48 @convert_available
Chris@1296 49 end
Chris@1296 50
Chris@1296 51 def self.logger
Chris@1296 52 Rails.logger
Chris@1296 53 end
Chris@1296 54 end
Chris@1296 55 end