class SiSU_AO_Images::Images

Public Class Methods

new(md,data) click to toggle source
# File lib/sisu/ao_images.rb, line 63
def initialize(md,data)
  @md,@data=md,data
end

Public Instance Methods

images() click to toggle source
# File lib/sisu/ao_images.rb, line 66
def images
  data=@data
  @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.select 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
    dob unless dob.nil?
  end
end