frame.rb in vcs_ruby-1.1.9

- old
+ new
@@ -1,161 +1,161 @@
-#
-# Frame from video
-#
-
-require 'mini_magick'
-
-module VCSRuby
-  class Frame
-    attr_accessor :width, :height, :aspect
-    attr_reader :filters, :time
-
-    def initialize video, capturer, time
-      @video = video
-      @capturer = capturer
-      @time = time
-      @filters = []
-    end
-
-    def filename= file_path
-      @out_path = File.dirname(file_path)
-      @out_filename = File.basename(file_path,'.*')
-    end
-
-    def filename
-      File.join(@out_path, "#{@out_filename}.#{@capturer.format_extension}")
-    end
-
-    def format= fmt
-      @capturer.format = fmt
-    end
-
-    def format
-      @capturer.format
-    end
-
-    def capture
-      @capturer.grab @time, filename
-    end
-
-    def capture_and_evade interval = nil
-      times = [TimeIndex.new] + Configuration.instance.blank_alternatives
-      if interval
-        times.select! { |t| (t < interval / 2) and (t > interval / -2) }
-      end
-      times.map! { |t| @time + t }
-
-      times.each do |time|
-        @time = time
-        capture
-        break unless blank?
-        puts "Blank frame detected. => #{@time}" unless Configuration.instance.quiet?
-        puts "Giving up!" if time == times.last && !Configuration.instance.quiet?
-      end
-    end
-
-    def blank?
-      image = MiniMagick::Image.open filename
-      image.colorspace 'Gray'
-      mean = image['%[fx:image.mean]'].to_f
-      return mean < Configuration.instance.blank_threshold
-    end
-
-    def apply_filters
-      MiniMagick::Tool::Convert.new do |convert|
-        convert.background 'Transparent'
-        convert.fill 'Transparent'
-        convert << filename
-
-        sorted_filters.each do |filter|
-          call_filter filter, convert
-        end
-
-        convert << filename
-      end
-    end
-
-private
-    def call_filter filter, convert
-      if respond_to?(filter, true)
-        method(filter).call(convert)
-      else
-        raise "Filter '#{filter}' does not exist"
-      end
-    end
-
-    def sorted_filters
-      [:resize_filter, :timestamp_filter, :photoframe_filter, :polaroid_filter, :random_rotation_filter, :softshadow_filter].select{ |filter| @filters.include?(filter) }
-    end
-
-    def resize_filter convert
-      convert.resize "#{width}x#{height}!"
-    end
-
-    def timestamp_filter convert
-      convert.stack do |box|
-        box.box Configuration.instance.timestamp_background
-        box.fill Configuration.instance.timestamp_color
-        box.pointsize Configuration.instance.timestamp_font.size
-        box.gravity 'SouthEast'
-        if Configuration.instance.timestamp_font.exists?
-          box.font Configuration.instance.timestamp_font.path
-        end
-        box.annotate('+10+10', " #{@time.to_timestamp} ")
-      end
-      convert.flatten
-      convert.gravity 'None'
-    end
-
-    def softshadow_filter convert
-      convert.stack do |box|
-        box.background 'Black'
-        box.clone.+
-        box.shadow '50x2+4+4'
-        box.background 'None'
-      end
-      convert.swap.+
-      convert.flatten
-      convert.trim
-      convert.repage.+
-    end
-
-    def photoframe_filter convert
-      convert.bordercolor 'White'
-      convert.border 3
-      convert.bordercolor 'Grey60'
-      convert.border 1
-    end
-
-    def polaroid_filter convert
-      border = 8
-      convert.stack do |a|
-        a.fill 'White'
-        a.background 'White'
-        a.bordercolor 'White'
-        if Tools.magick_version.major > 6
-          a.alpha_color 'White'
-        else
-          a.mattecolor 'White'
-        end
-        a.frame "#{border}x#{border}"
-        a.stack do |b|
-          b.flip
-          b.splice "0x#{border*5}"
-        end
-        a.flip
-        a.bordercolor 'Grey60'
-        a.border 1
-      end
-      convert.repage.+
-    end
-
-    def random_rotation_filter convert
-      angle = Random::rand(-18..18)
-      convert.background 'None'
-      convert.rotate angle
-    end
-
-    def film_filter
-    end
-  end
-end
+#
+# Frame from video
+#
+
+require 'mini_magick'
+
+module VCSRuby
+  class Frame
+    attr_accessor :width, :height, :aspect
+    attr_reader :filters, :time
+
+    def initialize video, capturer, time
+      @video = video
+      @capturer = capturer
+      @time = time
+      @filters = []
+    end
+
+    def filename= file_path
+      @out_path = File.dirname(file_path)
+      @out_filename = File.basename(file_path,'.*')
+    end
+
+    def filename
+      File.join(@out_path, "#{@out_filename}.#{@capturer.format_extension}")
+    end
+
+    def format= fmt
+      @capturer.format = fmt
+    end
+
+    def format
+      @capturer.format
+    end
+
+    def capture
+      @capturer.grab @time, filename
+    end
+
+    def capture_and_evade interval = nil
+      times = [TimeIndex.new] + Configuration.instance.blank_alternatives
+      if interval
+        times.select! { |t| (t < interval / 2) and (t > interval / -2) }
+      end
+      times.map! { |t| @time + t }
+
+      times.each do |time|
+        @time = time
+        capture
+        break unless blank?
+        puts "Blank frame detected. => #{@time}" unless Configuration.instance.quiet?
+        puts "Giving up!" if time == times.last && !Configuration.instance.quiet?
+      end
+    end
+
+    def blank?
+      image = MiniMagick::Image.open filename
+      image.colorspace 'Gray'
+      mean = image['%[fx:image.mean]'].to_f
+      return mean < Configuration.instance.blank_threshold
+    end
+
+    def apply_filters
+      MiniMagick::Tool::Convert.new do |convert|
+        convert.background 'Transparent'
+        convert.fill 'Transparent'
+        convert << filename
+
+        sorted_filters.each do |filter|
+          call_filter filter, convert
+        end
+
+        convert << filename
+      end
+    end
+
+private
+    def call_filter filter, convert
+      if respond_to?(filter, true)
+        method(filter).call(convert)
+      else
+        raise "Filter '#{filter}' does not exist"
+      end
+    end
+
+    def sorted_filters
+      [:resize_filter, :timestamp_filter, :photoframe_filter, :polaroid_filter, :random_rotation_filter, :softshadow_filter].select{ |filter| @filters.include?(filter) }
+    end
+
+    def resize_filter convert
+      convert.resize "#{width}x#{height}!"
+    end
+
+    def timestamp_filter convert
+      convert.stack do |box|
+        box.box Configuration.instance.timestamp_background
+        box.fill Configuration.instance.timestamp_color
+        box.pointsize Configuration.instance.timestamp_font.size
+        box.gravity 'SouthEast'
+        if Configuration.instance.timestamp_font.exists?
+          box.font Configuration.instance.timestamp_font.path
+        end
+        box.annotate('+10+10', " #{@time.to_timestamp} ")
+      end
+      convert.flatten
+      convert.gravity 'None'
+    end
+
+    def softshadow_filter convert
+      convert.stack do |box|
+        box.background 'Black'
+        box.clone.+
+        box.shadow '50x2+4+4'
+        box.background 'None'
+      end
+      convert.swap.+
+      convert.flatten
+      convert.trim
+      convert.repage.+
+    end
+
+    def photoframe_filter convert
+      convert.bordercolor 'White'
+      convert.border 3
+      convert.bordercolor 'Grey60'
+      convert.border 1
+    end
+
+    def polaroid_filter convert
+      border = 8
+      convert.stack do |a|
+        a.fill 'White'
+        a.background 'White'
+        a.bordercolor 'White'
+        if Tools.magick_version.major > 6
+          a.alpha_color 'White'
+        else
+          a.mattecolor 'White'
+        end
+        a.frame "#{border}x#{border}"
+        a.stack do |b|
+          b.flip
+          b.splice "0x#{border*5}"
+        end
+        a.flip
+        a.bordercolor 'Grey60'
+        a.border 1
+      end
+      convert.repage.+
+    end
+
+    def random_rotation_filter convert
+      angle = Random::rand(-18..18)
+      convert.background 'None'
+      convert.rotate angle
+    end
+
+    def film_filter
+    end
+  end
+end