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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 - 2012, 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_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,'use of RMagick is not enabled in sisurc.yml').warn
end
end
data.each do |dob|
unless dob.is =~/^table/
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,'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.gsub!(/(#{image})/,"#{image} #{img_col}x#{img_row}")
else 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,'where image dimensions have not been provided RMagick or imagemagick is required',image).warn #unless @opt.cmd =~/q/
end
end
end
end
dob.obj.gsub!(/(#{Mx[:lnk_o]})\s*(\S+\.(?:png|jpg|gif))\s+/i,'\1\2 ') if dob.obj =~/#{Mx[:lnk_o]}\s*\S+\.(?:png|jpg|gif).+?#{Mx[:lnk_c]}(?:#{Mx[:url_o]}\S+?#{Mx[:url_c]}|image)/
end
tuned_file << dob unless dob.nil?
end
tuned_file
end
end
end
__END__
imgsys=`identify #{image_path}/#{image}`.strip
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