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# encoding: utf-8
=begin
* Name: SiSU
** Description: documents, structuring, processing, publishing, search
*** system environment, resource control and configuration details
** Author: Ralph Amissah
<ralph@amissah.com>
<ralph.amissah@gmail.com>
** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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>
** Git
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/current/ao_images.rb;hb=HEAD>
=end
module SiSU_AO_Images
class Images
begin
require 'RMagick'
include Magick
rescue LoadError
#SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).mark('RMagic NOT FOUND')
end
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.act[:verbose_plus][:set]==:on \
|| @md.opt.act[:maintenance][:set]==:on)
SiSU_Screen::Ansi.new(
@md.opt.act[:color_state][:set],
'*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.act[:verbose_plus][:set]==:on \
|| @md.opt.act[:maintenance][:set]==:on)
SiSU_Screen::Ansi.new(
@md.opt.act[:color_state][:set],
'*WARN* RMagick not present, will attempt to use imagemagick (identify) directly'
).warn
end
imgk=SiSU_Env::SystemCall.new.imagemagick
gmgk=SiSU_Env::SystemCall.new.graphicsmagick
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
else
errmsg='imagemagick or graphicsmagick are required to process images'
if @md.opt.act[:no_stop][:set]==:on
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
error("#{errmsg}, proceeding (as requested) without image processing")
break
else
SiSU_Utils::CodeMarker.new(__LINE__,__FILE__,:fuchsia).
error("#{errmsg}, STOPPING")
exit
end
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.act[:color_state][:set],
'*WARN* where image dimensions have not been provided RMagick or imagemagick is required',image
).warn unless @md.opt.act[:quiet][:set]==:on
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
|
