From 798d710dea23806e428ec7636dad4c1d872166e3 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Mon, 8 Sep 2008 22:24:15 -0400
Subject: dal, several modules split into separate files

---
 lib/sisu/v0/dal_images.rb | 125 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 lib/sisu/v0/dal_images.rb

(limited to 'lib/sisu/v0/dal_images.rb')

diff --git a/lib/sisu/v0/dal_images.rb b/lib/sisu/v0/dal_images.rb
new file mode 100644
index 00000000..75fa333c
--- /dev/null
+++ b/lib/sisu/v0/dal_images.rb
@@ -0,0 +1,125 @@
+# coding: 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 Ralph Amissah All Rights Reserved.
+
+ * License: GPL 3 or later:
+
+   SiSU, a framework for document structuring, publishing and search
+
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+   2007 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/copyleft/gpl.html>
+
+   <http://www.jus.uio.no/sisu/gpl.fsf/toc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/doc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt>
+
+ * 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.jus.uio.no/sisu/SiSU/download.html>
+
+ * Ralph Amissah
+   <ralph@amissah.com>
+   <ralph.amissah@gmail.com>
+
+ ** Description: system environment, resource control and configuration details
+
+=end
+module SiSU_images
+  class Images
+    def initialize(md,data)
+      @md,@data=md,data
+    end
+    def images
+      data=@data
+      tuned_file=[]
+      @rmgk=false
+      if SiSU_Env::Info_settings.new.program?('rmagick'); @rmgk=SiSU_Env::Load.new('RMagick').prog
+      else tell=SiSU_Screen::Ansi.new(@md.cmd,'use of RMagick is not enabled in sisurc.yml')
+        tell.warn if @md.cmd =~/[vVM]/
+      end
+      data.each do |para|
+        para.strip!
+        if para =~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif)(?:\s*|\s+.+)?#{Mx[:lnk_c]}(?:(?:https?|file|ftp):\S+|image)/
+          if para !~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif)\s+\d+x\d+\s+/
+            m=/#{Mx[:lnk_o]}\s*(\S+\.(?:png|jpg|gif))/
+            if @rmgk
+              imgs=para.scan(m).flatten
+              images=imgs.each do |image|
+                dir=SiSU_Env::Info_env.new(@md.fns)
+                path_image=[dir.path.image_source_local_tex,dir.path.image_source_remote_tex,dir.path.image_source_tex]
+                image_path=nil
+                path_image.each do |image_path|
+                  break if FileTest.exist?("#{image_path}/#{image}")
+                end
+                if FileTest.exist?("#{image_path}/#{image}")
+                  img=Magick::ImageList.new("#{image_path}/#{image}")
+                  img_col,img_row=img.columns,img.rows
+                  if img_col > img_row                                               #landscape
+                    if img_col> 640 #480
+                      img_col=640 #480
+                      img_row=((1.00*img_col/img.columns)*img.rows).round
+                    end
+                  else                                                               #portrait
+                    if img_col> 640 #480
+                      img_col=640 #480
+                      img_row=((1.00*img_col/img.columns)*img.rows).round
+                    end
+                    if img_row > 640
+                      img_row=640
+                      img_col=((1.00*img_row/img.rows)*img.columns).round
+                    end
+                  end
+                  para.gsub!(/(#{image})/,"#{image} #{img_col}x#{img_row}")
+                else para.gsub!(/#{Mx[:lnk_o]}\s*(\S+)\.(png|jpg|gif).+?#{Mx[:lnk_c]}((?:https?|file|ftp):\S+|image)/,'[ \1 (\2 missing) ]')
+                end
+              end
+            else
+              images=para.scan(m) do |image|
+                tell=SiSU_Screen::Ansi.new(@md.cmd,'where image dimensions have not been provided RMagick is required',image)
+                tell.warn #unless @opt.cmd =~/q/
+              end
+            end
+          end
+        end
+        para.gsub!(/(#{Mx[:lnk_o]})\s*(\S+\.(?:png|jpg|gif))\s+/i,'\1\2 ') if para =~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif).+?#{Mx[:lnk_c]}(?:(?:https?|file|ftp):\S+|image)/
+        tuned_file << para unless para.nil?
+      end
+      tuned_file
+    end
+  end
+end
+__END__
-- 
cgit v1.2.3