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authorRalph Amissah <ralph@amissah.com>2013-05-10 02:21:33 +0000
committerRalph Amissah <ralph@amissah.com>2013-05-10 02:21:33 +0000
commit879a4e6cbe97721bbc6cd18b324524159b4807ef (patch)
treefd9cde1516e36545626ed06dee71edc4342b84d2 /lib/sisu/v5/dal_images.rb
parentv4: cgi script for sample search form, minor fixes (diff)
downloadsisu-879a4e6cbe97721bbc6cd18b324524159b4807ef.zip
sisu-879a4e6cbe97721bbc6cd18b324524159b4807ef.tar.xz
v5 dev branch opened (starts as copy of v4 stable branch); v3 branch closedsisu_4.1.0
* 5.0.0 dev opened * 4.1.0 stable * 3.* branch gone
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diff --git a/lib/sisu/v5/dal_images.rb b/lib/sisu/v5/dal_images.rb
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+# encoding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009, 2010, 2011, 2012, 2013 Ralph Amissah, All Rights Reserved.
+
+ * License: GPL 3 or later:
+
+ SiSU, a framework for document structuring, publishing and search
+
+ Copyright (C) Ralph Amissah
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the Free
+ Software Foundation, either version 3 of the License, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program. If not, see <http://www.gnu.org/licenses/>.
+
+ If you have Internet connection, the latest version of the GPL should be
+ available at these locations:
+ <http://www.fsf.org/licensing/licenses/gpl.html>
+ <http://www.gnu.org/licenses/gpl.html>
+
+ <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
+
+ * SiSU uses:
+ * Standard SiSU markup syntax,
+ * Standard SiSU meta-markup syntax, and the
+ * Standard SiSU object citation numbering and system
+
+ * Hompages:
+ <http://www.jus.uio.no/sisu>
+ <http://www.sisudoc.org>
+
+ * Download:
+ <http://www.sisudoc.org/sisu/en/SiSU/download.html>
+
+ * Git
+ <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
+ <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/dal_images.rb;hb=HEAD>
+
+ * Ralph Amissah
+ <ralph@amissah.com>
+ <ralph.amissah@gmail.com>
+
+ ** Description: system environment, resource control and configuration details
+
+=end
+module SiSU_DAL_Images
+ class Images
+ #require 'RMagick'
+ #include Magick
+ def initialize(md,data)
+ @md,@data=md,data
+ end
+ def images
+ data=@data
+ tuned_file=[]
+ @rmgk=false
+ imagemagick_=true #imagemagick_=SiSU_Env::InfoSettings.new.program?('rmagick')
+ if imagemagick_
+ begin
+ @rmgk=SiSU_Env::Load.new('RMagick').prog
+ rescue
+ @rmgk=false
+ end
+ else
+ if @md.opt.cmd =~/[vVM]/
+ SiSU_Screen::Ansi.new(@md.opt.cmd,'*WARN* use of RMagick is not enabled in sisurc.yml').warn
+ end
+ end
+ data.each do |dob|
+ unless dob.is ==:table
+ dob.obj=dob.obj.strip
+ if dob.obj =~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif)(?:\s*|\s+.+)?#{Mx[:lnk_c]}(?:#{Mx[:url_o]}\S+?#{Mx[:url_c]}|image)/
+ if dob.obj !~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif)\s+\d+x\d+/
+ m=/#{Mx[:lnk_o]}\s*(\S+\.(?:png|jpg|gif))/
+ if imagemagick_
+ imgs=dob.obj.scan(m).flatten
+ img_col=img_row=nil
+ images=imgs.each do |image|
+ dir=SiSU_Env::InfoEnv.new(@md.fns)
+ path_image=[dir.path.image_source_include_local,dir.path.image_source_include_remote,dir.path.image_source_include]
+ image_path=nil
+ path_image.each do |img_pth|
+ image_path=img_pth
+ break if FileTest.exist?("#{img_pth}/#{image}")
+ end
+ if FileTest.exist?("#{image_path}/#{image}")
+ if @rmgk
+ img=Magick::ImageList.new("#{image_path}/#{image}")
+ img_col,img_row=img.columns,img.rows
+ else
+ if @md.opt.cmd =~/[vVM]/
+ SiSU_Screen::Ansi.new(@md.opt.cmd,'*WARN* RMagick not present, will attempt to use imagemagick (identify) directly').warn
+ end
+ imgk=SiSU_Env::SystemCall.new.imagemagick
+ gmgk=SiSU_Env::SystemCall.new.graphicksmagick
+ if imgk or gmgk
+ if imgk
+ imgsys=`identify #{image_path}/#{image}`.strip #system call
+ elsif gmgk
+ imgsys=`gm identify #{image_path}/#{image}`.strip #system call
+ end
+ img_col,img_row=/(\d+)x(\d+)/m.match(imgsys)[1,2]
+ img_col,img_row=img_col.to_i,img_row.to_i
+ end
+ end
+ row=((img && defined? img.rows) ? img.rows : img_row)
+ col=((img && defined? img.columns) ? img.columns : img_col)
+ if img_col > img_row #landscape
+ if img_col> 640
+ img_col=640
+ img_row=((1.00*img_col/col)*row).round
+ end
+ else #portrait
+ if img_col> 640
+ img_col=640
+ img_row=((1.00*img_col/col)*row).round
+ end
+ if img_row > 640
+ img_row=640
+ img_col=((1.00*img_row/row)*col).round
+ end
+ end
+ dob.obj=dob.obj.gsub(/(#{image})/,"#{image} #{img_col}x#{img_row}")
+ else dob.obj=dob.obj.gsub(/#{Mx[:lnk_o]}\s*(\S+)\.(png|jpg|gif).+?#{Mx[:lnk_c]}(#{Mx[:url_o]}\S+?#{Mx[:url_c]}|image)/,'[ \1 (\2 missing) ]')
+ end
+ end
+ else
+ images=dob.obj.scan(m) do |image|
+ SiSU_Screen::Ansi.new(@md.opt.cmd,'*WARN* where image dimensions have not been provided RMagick or imagemagick is required',image).warn #unless @opt.cmd =~/q/
+ end
+ end
+ end
+ end
+ if dob.obj =~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif).+?#{Mx[:lnk_c]}(?:#{Mx[:url_o]}\S+?#{Mx[:url_c]}|image)/
+ dob.obj=dob.obj.gsub(/(#{Mx[:lnk_o]})\s*(\S+\.(?:png|jpg|gif))\s+/i,'\1\2 ')
+ end
+ end
+ tuned_file << dob unless dob.nil?
+ end
+ tuned_file
+ end
+ end
+end
+__END__
+imgsys=`identify #{image_path}/#{image}`.strip