# img を div で囲むやつ (元ネタは inlineimage.rb)
# これが img 自体のファイル
# imgsmall.rb + imglarge.rb と一緒に。

class Filter

  def imgdetail(str, type)

    case type
    when :PRE
      align = ''
      str.gsub!(/image\(((?:https?:|\.)[^)]+)\)/i){
        url, size, alt, align = $1.split(/ /)
        img = "<img src=\"#{url}\""
        if /^(\d+)x(\d+)$/ =~ "#{size}" then
          img << " width=\"#{$1}\" height=\"#{$2}\""
        elsif url[0,1] == '.' then
          require 'lib/imagesize'
          w, h = ImageSize::size(@diary.outputDirectory + url)
          img << " width=\"#{w}\" height=\"#{h}\"" unless w.zero?
        end
        img << " alt=\"#{alt}\"" unless alt.nil?
        img << " align=\"#{align}\"" unless align.nil?
        img << (@diary.isXHTML ? ' />' : '>')
      }
    end

  end

end