aboutsummaryrefslogtreecommitdiffhomepage
path: root/lib/sisu/v1/dal_images.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sisu/v1/dal_images.rb')
-rw-r--r--lib/sisu/v1/dal_images.rb123
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/sisu/v1/dal_images.rb b/lib/sisu/v1/dal_images.rb
new file mode 100644
index 00000000..621ac986
--- /dev/null
+++ b/lib/sisu/v1/dal_images.rb
@@ -0,0 +1,123 @@
+# coding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997 - 2009 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/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__