identify.rb in rmagick-2.14.0

- old
+ new
@@ -1,187 +1,185 @@
-require 'RMagick'
+require 'rmagick'
 
 module Magick
-    class Image
-
-        # Print information similar to the identify -verbose command
-        def identify
-            printf "Image: "
-            puts "#{base_filename}=>" if base_filename != filename
-            puts filename + "\n"
-            puts "\tFormat: #{format}\n"
-            puts "\tGeometry: #{columns}x#{rows}\n"
-            puts "\tClass: #{class_type.to_s}\n"
-            puts "\tType: #{image_type.to_s}\n"
-            puts "\tEndianess: #{endian}\n"
-            puts "\tColorspace: #{colorspace}\n"
-            puts "\tChannelDepth:\n"
-            color_space = gray? ? Magick::GrayColorspace : colorspace
-            case color_space
-            when Magick::RGBColorspace
-                puts "\t\tRed: #{channel_depth(Magick::RedChannel)}-bits\n"
-                puts "\t\tGreen: #{channel_depth(Magick::GreenChannel)}-bits\n"
-                puts "\t\tBlue: #{channel_depth(Magick::BlueChannel)}-bits\n"
-                puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
-            when Magick::CMYKColorspace
-                puts "\t\tCyan : #{channel_depth(Magick::CyanChannel)}-bits\n"
-                puts "\t\tMagenta: #{channel_depth(Magick::MagentaChannel)}-bits\n"
-                puts "\t\tYellow: #{channel_depth(Magick::YellowChannel)}-bits\n"
-                puts "\t\tBlack: #{channel_depth(Magick::BlackChannel)}-bits\n"
-                puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
-            when Magick::GrayColorspace
-                puts "\t\tGray: #{channel_depth(Magick::GrayChannel)}-bits\n"
-                puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
-            end
-            scale = Magick::QuantumRange / (Magick::QuantumRange >> (Magick::MAGICKCORE_QUANTUM_DEPTH-channel_depth))
-            puts "\tChannel statistics:\n"
-            case color_space
-            when Magick::RGBColorspace
-                puts "\t\tRed:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::RedChannel)[0]/scale, channel_extrema(Magick::RedChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::RedChannel)[1]/scale, channel_extrema(Magick::RedChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::RedChannel)[0]/scale, channel_mean(Magick::RedChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::RedChannel)[1]/scale, channel_mean(Magick::RedChannel)[1]/Magick::QuantumRange)
-                puts "\t\tGreen:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::GreenChannel)[0]/scale, channel_extrema(Magick::GreenChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::GreenChannel)[1]/scale, channel_extrema(Magick::GreenChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::GreenChannel)[0]/scale, channel_mean(Magick::GreenChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::GreenChannel)[1]/scale, channel_mean(Magick::GreenChannel)[1]/Magick::QuantumRange)
-                puts "\t\tBlue:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlueChannel)[0]/scale, channel_extrema(Magick::BlueChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlueChannel)[1]/scale, channel_extrema(Magick::BlueChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::BlueChannel)[0]/scale, channel_mean(Magick::BlueChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::BlueChannel)[1]/scale, channel_mean(Magick::BlueChannel)[1]/Magick::QuantumRange)
-            when Magick::CMYKColorspace
-                puts "\t\tCyan:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::CyanChannel)[0]/scale, channel_extrema(Magick::CyanChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::CyanChannel)[1]/scale, channel_extrema(Magick::CyanChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::CyanChannel)[0]/scale, channel_mean(Magick::CyanChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::CyanChannel)[1]/scale, channel_mean(Magick::CyanChannel)[1]/Magick::QuantumRange)
-                puts "\t\tMagenta:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::MagentaChannel)[0]/scale, channel_extrema(Magick::MagentaChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::MagentaChannel)[1]/scale, channel_extrema(Magick::MagentaChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::MagentaChannel)[0]/scale, channel_mean(Magick::MagentaChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::MagentaChannel)[1]/scale, channel_mean(Magick::MagentaChannel)[1]/Magick::QuantumRange)
-                puts "\t\tYellow:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::YellowChannel)[0]/scale, channel_extrema(Magick::YellowChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::YellowChannel)[1]/scale, channel_extrema(Magick::YellowChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::YellowChannel)[0]/scale, channel_mean(Magick::YellowChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::YellowChannel)[1]/scale, channel_mean(Magick::YellowChannel)[1]/Magick::QuantumRange)
-                puts "\t\tBlack:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlackChannel)[0]/scale, channel_extrema(Magick::BlackChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlackChannel)[1]/scale, channel_extrema(Magick::BlackChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::BlackChannel)[0]/scale, channel_mean(Magick::BlackChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::BlackChannel)[1]/scale, channel_mean(Magick::BlackChannel)[1]/Magick::QuantumRange)
-            when Magick::GrayColorspace
-                puts "\t\tGray:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::GrayChannel)[0]/scale, channel_extrema(Magick::GrayChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::GrayChannel)[1]/scale, channel_extrema(Magick::GrayChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::GrayChannel)[0]/scale, channel_mean(Magick::GrayChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::GrayChannel)[1]/scale, channel_mean(Magick::GrayChannel)[1]/Magick::QuantumRange)
-            end
-            if matte
-                puts "\t\tOpacity:\n"
-                puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::OpacityChannel)[0]/scale, channel_extrema(Magick::OpacityChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::OpacityChannel)[1]/scale, channel_extrema(Magick::OpacityChannel)[1]/Magick::QuantumRange)
-                puts "\t\t\tMean:" + sprintf("%u (%g)\n", channel_mean(Magick::OpacityChannel)[0]/scale, channel_mean(Magick::OpacityChannel)[0]/Magick::QuantumRange)
-                puts "\t\t\tStandard deviation:" + sprintf("%u (%g)\n", channel_mean(Magick::OpacityChannel)[1]/scale, channel_mean(Magick::OpacityChannel)[1]/Magick::QuantumRange)
-            end
-            if class_type == Magick::DirectClass
-                puts "\tColors: #{total_colors}\n"
-            else
-                if total_colors <= colors
-                    puts "\tColors: #{colors}\n"
-                else
-                    puts "\tColors: #{total_colors}=>#{colors}\n"
-                end
-            end
-            # Histogram goes here
-            puts "\tMean error per pixel: #{mean_error_per_pixel}\n" if mean_error_per_pixel != 0.0
-            puts "\tNormalized mean error: #{normalized_mean_error}\n" if normalized_mean_error != 0.0
-            puts "\tNormalized maximum error: #{normalized_maximum_error}\n" if normalized_maximum_error != 0.0
-            puts "\tRendering-intent: #{rendering_intent.to_s}\n"
-            puts "\tGamma: #{gamma}\n" if gamma != 0.0
-            chrom = chromaticity
-            if chrom.red_primary.x != 0.0 || chrom.green_primary.x != 0.0 || chrom.blue_primary.x != 0.0 || chrom.white_point.x != 0.0
-                puts "\tChromaticity:\n"
-                puts "\t\tred primary: (#{sprintf("%g,%g", chrom.red_primary.x, chrom.red_primary.y)})\n"
-                puts "\t\tgreen primary: (#{sprintf("%g,%g", chrom.green_primary.x, chrom.green_primary.y)})\n"
-                puts "\t\tblue primary: (#{sprintf("%g,%g", chrom.blue_primary.x, chrom.blue_primary.y)})\n"
-                puts "\t\twhite point: (#{sprintf("%g,%g", chrom.white_point.x, chrom.white_point.y)})\n"
-            end
-            ex_info = extract_info
-            if ex_info.width * ex_info.height != 0.0
-                puts "\tTile geometry: #{ex_info.width}x#{ex_info.height}+#{ex_info.x}+#{ex_info.y}\n"
-            end
-            if x_resolution != 0.0 && y_resolution != 0.0
-                puts "\tResolution: #{sprintf("%gx%g", x_resolution, y_resolution)}\n"
-            end
-            puts "\tUnits: #{units.to_s}\n"
-            size = filesize
-            if size >= 1048576
-                puts "\tFilesize: #{"%.1f" % (size/1048576.0)}mb\n"
-            elsif size >= 1024
-                puts "\tFilesize: #{"%.0f" % (size/1024.0)}kb\n"
-            else
-                puts "\tFilesize: #{size}b\n"
-            end
-            puts "\tInterlace: #{interlace.to_s}\n"
-            puts "\tBackground Color: #{background_color}\n"
-            puts "\tBorder Color: #{border_color}\n"
-            puts "\tMatte Color: #{matte_color}\n"
-            pg = page
-            if pg.width != 0 || pg.height != 0 || pg.x != 0 || pg.y != 0
-                puts "\tPage geometry: #{pg.width}x#{pg.height}+#{pg.x}+#{pg.y}\n"
-            end
-            puts "\tDispose: #{dispose.to_s}\n"
-            puts "\tDelay: #{delay}\n" if delay != 0
-            puts "\tIterations: #{iterations}\n" unless iterations == 1
-            puts "\tScene: #{scene}\n" if scene != 0
-            puts "\tCompression: #{compression.to_s}\n"
-            puts "\tQuality: #{quality}\n" unless quality == 0
-            puts "\tOrientation: #{orientation.to_s}\n"
-            puts "\tMontage: #{montage}\n" if montage
-            signature # compute but ignore - will be displayed along with the other properties
-            properties.each do |prop, value|
-                next if prop[0,1] == '['
-                puts "\t#{prop}: #{value}\n"
-            end
-            clip_path = self["8BIM:1999,2998:#1"]
-            if clip_path
-                puts "\tClipping path: #{clip_path}\n"
-            end
-            each_profile do |name, value|
-                puts "\tProfile-#{name}: #{value.length}\n"
-                if name == 'exif'
-                    exif_attrs = get_exif_by_entry
-                    exif_attrs.each do |attr|
-                        puts "\t\t#{attr[0]}: #{attr[1]}\n"
-                    end
-                end
-            end
-            puts "\tTainted: True\n" if changed?
-            puts "\tTainted: False\n" unless changed?
-            puts "\tVersion: #{Magick::Version}\n"
-            puts "\t         #{Magick::Magick_version}\n"
+  class Image
+    # Print information similar to the identify -verbose command
+    def identify
+      printf 'Image: '
+      puts "#{base_filename}=>" if base_filename != filename
+      puts filename + "\n"
+      puts "\tFormat: #{format}\n"
+      puts "\tGeometry: #{columns}x#{rows}\n"
+      puts "\tClass: #{class_type}\n"
+      puts "\tType: #{image_type}\n"
+      puts "\tEndianess: #{endian}\n"
+      puts "\tColorspace: #{colorspace}\n"
+      puts "\tChannelDepth:\n"
+      color_space = gray? ? Magick::GrayColorspace : colorspace
+      case color_space
+      when Magick::RGBColorspace
+        puts "\t\tRed: #{channel_depth(Magick::RedChannel)}-bits\n"
+        puts "\t\tGreen: #{channel_depth(Magick::GreenChannel)}-bits\n"
+        puts "\t\tBlue: #{channel_depth(Magick::BlueChannel)}-bits\n"
+        puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
+      when Magick::CMYKColorspace
+        puts "\t\tCyan : #{channel_depth(Magick::CyanChannel)}-bits\n"
+        puts "\t\tMagenta: #{channel_depth(Magick::MagentaChannel)}-bits\n"
+        puts "\t\tYellow: #{channel_depth(Magick::YellowChannel)}-bits\n"
+        puts "\t\tBlack: #{channel_depth(Magick::BlackChannel)}-bits\n"
+        puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
+      when Magick::GrayColorspace
+        puts "\t\tGray: #{channel_depth(Magick::GrayChannel)}-bits\n"
+        puts "\t\tOpacity: #{channel_depth(Magick::OpacityChannel)}-bits\n" if matte
+      end
+      scale = Magick::QuantumRange / (Magick::QuantumRange >> (Magick::MAGICKCORE_QUANTUM_DEPTH-channel_depth))
+      puts "\tChannel statistics:\n"
+      case color_space
+      when Magick::RGBColorspace
+        puts "\t\tRed:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::RedChannel)[0]/scale, channel_extrema(Magick::RedChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::RedChannel)[1]/scale, channel_extrema(Magick::RedChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::RedChannel)[0]/scale, channel_mean(Magick::RedChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::RedChannel)[1]/scale, channel_mean(Magick::RedChannel)[1]/Magick::QuantumRange)
+        puts "\t\tGreen:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::GreenChannel)[0]/scale, channel_extrema(Magick::GreenChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::GreenChannel)[1]/scale, channel_extrema(Magick::GreenChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::GreenChannel)[0]/scale, channel_mean(Magick::GreenChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::GreenChannel)[1]/scale, channel_mean(Magick::GreenChannel)[1]/Magick::QuantumRange)
+        puts "\t\tBlue:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlueChannel)[0]/scale, channel_extrema(Magick::BlueChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlueChannel)[1]/scale, channel_extrema(Magick::BlueChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::BlueChannel)[0]/scale, channel_mean(Magick::BlueChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::BlueChannel)[1]/scale, channel_mean(Magick::BlueChannel)[1]/Magick::QuantumRange)
+      when Magick::CMYKColorspace
+        puts "\t\tCyan:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::CyanChannel)[0]/scale, channel_extrema(Magick::CyanChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::CyanChannel)[1]/scale, channel_extrema(Magick::CyanChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::CyanChannel)[0]/scale, channel_mean(Magick::CyanChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::CyanChannel)[1]/scale, channel_mean(Magick::CyanChannel)[1]/Magick::QuantumRange)
+        puts "\t\tMagenta:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::MagentaChannel)[0]/scale, channel_extrema(Magick::MagentaChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::MagentaChannel)[1]/scale, channel_extrema(Magick::MagentaChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::MagentaChannel)[0]/scale, channel_mean(Magick::MagentaChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::MagentaChannel)[1]/scale, channel_mean(Magick::MagentaChannel)[1]/Magick::QuantumRange)
+        puts "\t\tYellow:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::YellowChannel)[0]/scale, channel_extrema(Magick::YellowChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::YellowChannel)[1]/scale, channel_extrema(Magick::YellowChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::YellowChannel)[0]/scale, channel_mean(Magick::YellowChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::YellowChannel)[1]/scale, channel_mean(Magick::YellowChannel)[1]/Magick::QuantumRange)
+        puts "\t\tBlack:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlackChannel)[0]/scale, channel_extrema(Magick::BlackChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::BlackChannel)[1]/scale, channel_extrema(Magick::BlackChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::BlackChannel)[0]/scale, channel_mean(Magick::BlackChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::BlackChannel)[1]/scale, channel_mean(Magick::BlackChannel)[1]/Magick::QuantumRange)
+      when Magick::GrayColorspace
+        puts "\t\tGray:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::GrayChannel)[0]/scale, channel_extrema(Magick::GrayChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::GrayChannel)[1]/scale, channel_extrema(Magick::GrayChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean: " + sprintf("%g (%g)\n", channel_mean(Magick::GrayChannel)[0]/scale, channel_mean(Magick::GrayChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation: " + sprintf("%g (%g)\n", channel_mean(Magick::GrayChannel)[1]/scale, channel_mean(Magick::GrayChannel)[1]/Magick::QuantumRange)
+      end
+      if matte
+        puts "\t\tOpacity:\n"
+        puts "\t\t\tMin: " + sprintf("%u (%g)\n", channel_extrema(Magick::OpacityChannel)[0]/scale, channel_extrema(Magick::OpacityChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tMax: " + sprintf("%u (%g)\n", channel_extrema(Magick::OpacityChannel)[1]/scale, channel_extrema(Magick::OpacityChannel)[1]/Magick::QuantumRange)
+        puts "\t\t\tMean:" + sprintf("%u (%g)\n", channel_mean(Magick::OpacityChannel)[0]/scale, channel_mean(Magick::OpacityChannel)[0]/Magick::QuantumRange)
+        puts "\t\t\tStandard deviation:" + sprintf("%u (%g)\n", channel_mean(Magick::OpacityChannel)[1]/scale, channel_mean(Magick::OpacityChannel)[1]/Magick::QuantumRange)
+      end
+      if class_type == Magick::DirectClass
+        puts "\tColors: #{total_colors}\n"
+      else
+        if total_colors <= colors
+          puts "\tColors: #{colors}\n"
+        else
+          puts "\tColors: #{total_colors}=>#{colors}\n"
         end
+      end
+      # Histogram goes here
+      puts "\tMean error per pixel: #{mean_error_per_pixel}\n" if mean_error_per_pixel != 0.0
+      puts "\tNormalized mean error: #{normalized_mean_error}\n" if normalized_mean_error != 0.0
+      puts "\tNormalized maximum error: #{normalized_maximum_error}\n" if normalized_maximum_error != 0.0
+      puts "\tRendering-intent: #{rendering_intent}\n"
+      puts "\tGamma: #{gamma}\n" if gamma != 0.0
+      chrom = chromaticity
+      if chrom.red_primary.x != 0.0 || chrom.green_primary.x != 0.0 || chrom.blue_primary.x != 0.0 || chrom.white_point.x != 0.0
+        puts "\tChromaticity:\n"
+        puts "\t\tred primary: (#{sprintf('%g,%g', chrom.red_primary.x, chrom.red_primary.y)})\n"
+        puts "\t\tgreen primary: (#{sprintf('%g,%g', chrom.green_primary.x, chrom.green_primary.y)})\n"
+        puts "\t\tblue primary: (#{sprintf('%g,%g', chrom.blue_primary.x, chrom.blue_primary.y)})\n"
+        puts "\t\twhite point: (#{sprintf('%g,%g', chrom.white_point.x, chrom.white_point.y)})\n"
+      end
+      ex_info = extract_info
+      if ex_info.width * ex_info.height != 0.0
+        puts "\tTile geometry: #{ex_info.width}x#{ex_info.height}+#{ex_info.x}+#{ex_info.y}\n"
+      end
+      if x_resolution != 0.0 && y_resolution != 0.0
+        puts "\tResolution: #{sprintf('%gx%g', x_resolution, y_resolution)}\n"
+      end
+      puts "\tUnits: #{units}\n"
+      size = filesize
+      if size >= 1048576
+        puts "\tFilesize: #{'%.1f' % (size/1048576.0)}mb\n"
+      elsif size >= 1024
+        puts "\tFilesize: #{'%.0f' % (size/1024.0)}kb\n"
+      else
+        puts "\tFilesize: #{size}b\n"
+      end
+      puts "\tInterlace: #{interlace}\n"
+      puts "\tBackground Color: #{background_color}\n"
+      puts "\tBorder Color: #{border_color}\n"
+      puts "\tMatte Color: #{matte_color}\n"
+      pg = page
+      if pg.width != 0 || pg.height != 0 || pg.x != 0 || pg.y != 0
+        puts "\tPage geometry: #{pg.width}x#{pg.height}+#{pg.x}+#{pg.y}\n"
+      end
+      puts "\tDispose: #{dispose}\n"
+      puts "\tDelay: #{delay}\n" if delay != 0
+      puts "\tIterations: #{iterations}\n" unless iterations == 1
+      puts "\tScene: #{scene}\n" if scene != 0
+      puts "\tCompression: #{compression}\n"
+      puts "\tQuality: #{quality}\n" unless quality == 0
+      puts "\tOrientation: #{orientation}\n"
+      puts "\tMontage: #{montage}\n" if montage
+      signature # compute but ignore - will be displayed along with the other properties
+      properties.each do |prop, value|
+        next if prop[0,1] == '['
+        puts "\t#{prop}: #{value}\n"
+      end
+      clip_path = self['8BIM:1999,2998:#1']
+      if clip_path
+        puts "\tClipping path: #{clip_path}\n"
+      end
+      each_profile do |name, value|
+        puts "\tProfile-#{name}: #{value.length}\n"
+        if name == 'exif'
+          exif_attrs = get_exif_by_entry
+          exif_attrs.each do |attr|
+            puts "\t\t#{attr[0]}: #{attr[1]}\n"
+          end
+        end
+      end
+      puts "\tTainted: True\n" if changed?
+      puts "\tTainted: False\n" unless changed?
+      puts "\tVersion: #{Magick::Version}\n"
+      puts "\t         #{Magick::Magick_version}\n"
     end
+  end
 end
 
 if ARGV.length == 0
-    puts <<-'END_USAGE'
+  puts <<-'END_USAGE'
     This example displays information about the specified image file(s)
     that is similar to ImageMagick/GraphicsMagick's identify command.
 
     Usage:
     ruby identify.rb filename [filename...]
     END_USAGE
-    exit
+  exit
 end
 
 ilist = Magick::ImageList.new(*ARGV)
 ilist.each do |img|
-    img.identify
+  img.identify
 end
 
 exit
-