Class: Photo

Inherits:
Object
  • Object
show all
Defined in:
lib/multistockphoto/photo.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Photo

Returns a new instance of Photo.



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# File 'lib/multistockphoto/photo.rb', line 10

def initialize(filename)
  @filename = filename
  @tags = nil
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/multistockphoto/photo.rb', line 7

def filename
  @filename
end

#rotated_filename ⇒ Object (readonly)

Returns the value of attribute rotated_filename.



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# File 'lib/multistockphoto/photo.rb', line 7

def rotated_filename
  @rotated_filename
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/multistockphoto/photo.rb', line 8

def tags
  @tags
end

Instance Method Details

#drehen ⇒ Object

dreht Bild und schreibt in rot_… Datei



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# File 'lib/multistockphoto/photo.rb', line 44

def drehen
  pic = ImageList.new(@filename)
  if pic.orientation == LeftBottomOrientation
    b = File.basename(@filename)
    tmpname = @filename.sub(b,'') +'rot_' + b 
    if not File.exist? tmpname
      pic.auto_orient!
      puts "rotating picture, writing to #{tmpname}"
      pic.write(tmpname)
    end
    @rotated_filename = tmpname
  end
end

#file_keywords ⇒ Object

ermittelt Keywords aus Datei



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# File 'lib/multistockphoto/photo.rb', line 112

def file_keywords
  photo = MiniExiftool.new @filename
  self.tags = photo.tags
  photo.keywords
end

#keywords ⇒ Object

Keywords aus Object-Attributen



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# File 'lib/multistockphoto/photo.rb', line 107

def keywords
  tags
end

#portrait? ⇒ Boolean

ist Bild im Hochformat TODO: paßt dieser Test für alle gedrehten Bilder?

Returns:

  • (Boolean) 


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# File 'lib/multistockphoto/photo.rb', line 17

def portrait?
  if false
    pic = ImageList.new(@filename)
    if pic.orientation == LeftBottomOrientation
      return true
    else
      return false
    end
  end
  if true
    img = Magick::Image::read(@filename).first
    #   p img
    begin
      if img.orientation == LeftBottomOrientation
        return true
      else
        return false
      end
    rescue
      puts "error in picture #{@filename}"
      return false # TODO: etwas gefaehrlich, bei nicht richtiger JPG-Datei
      # wuerde das auch zuenden
    end
  end
end

#set_keywords(from_lang = nil, to_lang = nil) ⇒ Object

setzt IPTC-Keywords, enthalten in Datei <imagefilename>.tags wenn from_lang und to_lang uebergeben, dann Uebersetzung der Keywords z.B. set_keywords(:de,:en)



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# File 'lib/multistockphoto/photo.rb', line 61

def set_keywords(from_lang=nil,to_lang=nil)
  ext = File.extname(@filename)
  if ext.upcase != '.JPG' and ext.upcase != '.JPEG'
    warn "cannot set Exif-Header with non-JPEG file #{@filename}"
    return
  end
  fn = @filename.sub(ext,".tags")
  lines=[]
  begin
    File.open(fn) {|f|
      lines = f.read
    }
    tags = Photo.to_tags(lines)
    if from_lang and to_lang
      tags = translate_tags(tags,from_lang,to_lang)
    end
    self.tags = tags
    #print "writing tags to file ... "
    #$stdout.flush
    write_keywords
    #puts "done"
  rescue Errno::ENOENT
    #warn "WARNING: no tags file #{fn}"
  end
end

#set_keywords_without_write(from_lang = nil, to_lang = nil) ⇒ Object 



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# File 'lib/multistockphoto/photo.rb', line 87

def set_keywords_without_write(from_lang=nil,to_lang=nil)
  ext = File.extname(@filename)
  fn = @filename.sub(ext,".tags")
  lines=[]
  begin
    File.open(fn) {|f|
      lines = f.read
    }
    #puts "tags file #{fn} found"
    tags = Photo.to_tags(lines)
    if from_lang and to_lang
      tags = translate_tags(tags,from_lang,to_lang)
    end
    self.tags = tags
  rescue Errno::ENOENT
    #warn "WARNING: no tags file #{fn}"
  end
end

#write_keywords ⇒ Object

schreibt Keywords in Datei-Header



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# File 'lib/multistockphoto/photo.rb', line 119

def write_keywords
  photo = MiniExiftool.new @filename
  #s = ''
  #tags.each {|tag|
  #if s == ''
  #s = s + tag
  #else
  ##        s = s + ' ' + tag
  ## lieber durch Komma trennen, da sonst das Formular z.B. bei fotolia nicht
  ## richtig gefüllt wird
  #s = s + ',' + tag
  #end
  #}
  # lieber durch Komma trennen, da sonst das Formular z.B. bei fotolia nicht
  # richtig gefüllt wird
  photo['keywords'] = tags.join(',')
  
  #TODO:
  photo['title'] = 'Testtitel'
  
  photo.save
end