Class: Magick::Image

Inherits:
Object
  • Object
show all
Defined in:
lib/autoload/autoload_io_rmagick.rb,
lib/autoload/autoload_object_magick_image.rb,
lib/object/ca_obj_magick_image.rb,
lib/io/rmagick.rb

Instance Method Summary collapse

Instance Method Details

#ca ⇒ Object 



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# File 'lib/object/ca_obj_magick_image.rb', line 76

def ca
  return CAMagickImage.new(self)
end

#export_pixels_to_ca(ca, map = "RGB", x = 0, y = 0) ⇒ Object 



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# File 'lib/io/rmagick.rb', line 18

def export_pixels_to_ca (ca, map="RGB",x=0,y=0)
  case ca.data_type
  when CA_FIXLEN
    case ca.bytes 
    when map.size
      stype = Magick::CharPixel
    when 2*map.size
      stype = Magick::ShortPixel        
    when 4*map.size
      stype = Magick::IntegerPixel        
    else
      raise
    end
  when CA_UINT8, CA_INT8
    stype = Magick::CharPixel
  when CA_UINT16, CA_INT16
    stype = Magick::ShortPixel
  when CA_UINT32, CA_INT32
    stype = Magick::IntegerPixel
  when CA_FLOAT32
    stype = Magick::FloatPixel
  when CA_FLOAT64
    stype = Magick::DoublePixel
  else
    raise "invalid strage type"
  end
  case ca.rank 
  when 2
    if map.size != 1
      raise
    end
  when 3
    if map.size != ca.dim.last
      raise
    end
  else  
    raise "invalid rank"
  end
  ca.load_binary(export_pixels_to_str(x,y,ca.dim1,ca.dim0,map,stype))
  return ca
end

#import_pixels_from_ca(ca, map = "RGBO", x = 0, y = 0) ⇒ Object 



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# File 'lib/io/rmagick.rb', line 60

def import_pixels_from_ca (ca,map="RGBO",x=0,y=0)
  case ca.data_type
  when CA_FIXLEN
    case ca.bytes 
    when map.size
      stype = Magick::CharPixel
    when 2*map.size
      stype = Magick::ShortPixel        
    when 4*map.size
      stype = Magick::IntegerPixel        
    else
      raise
    end
  when CA_UINT8, CA_INT8
    stype = Magick::CharPixel
  when CA_UINT16, CA_INT16
    stype = Magick::ShortPixel
  when CA_UINT32, CA_INT32
    stype = Magick::IntegerPixel
  when CA_FLOAT32
    stype = Magick::FloatPixel
  when CA_FLOAT64
    stype = Magick::DoublePixel
  else
    raise "invalid strage type"
  end
  import_pixels(x,y,ca.dim1,ca.dim0,map,ca.dump_binary,stype)
  return self
end

#to_ca ⇒ Object 



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# File 'lib/object/ca_obj_magick_image.rb', line 80

def to_ca
  return ca.to_ca
end