builders.rb in usps_flags-0.5.1

- old
+ new
@@ -2,107 +2,114 @@
 
 # SVG building helpers.
 #
 # These methods should never need to be called directly, except when designing new flags.
 # @private
-class USPSFlags::Helpers::Builders
-  class << self
-    # Displays an overlay grid with regularly spaced locator markers.
-    #
-    # This is useful for adjusting or creating new SVG data generators, but should not otherwise need to be called.
-    # @private
-    def grid(width: USPSFlags::Config::BASE_FLY, height: USPSFlags::Config::BASE_HOIST)
-      @width = width
-      @height = height
-      @stroke_width = @width / 600
-      "#{circles}#{horizontal_lines}#{vertical_lines}#{diagonal_lines}"
-    end
+class USPSFlags
+  class Helpers
+    class Builders
+      class << self
+        # Displays an overlay grid with regularly spaced locator markers.
+        #
+        # This is useful for adjusting or creating new SVG data generators, but should not otherwise need to be called.
+        # @private
+        def grid(width: USPSFlags::Config::BASE_FLY, height: USPSFlags::Config::BASE_HOIST)
+          @width = width
+          @height = height
+          @stroke_width = @width / 600
+          "#{circles}#{horizontal_lines}#{vertical_lines}#{diagonal_lines}"
+        end
 
-    # Displays an overlay indicator of concentric circles and radiating lines.
-    #
-    # This is useful for adjusting or creating new SVG data generators, but should not otherwise need to be called.
-    # @private
-    def locator
-      <<~SVG
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY * 2}" fill="#000000" fill-opacity="0.4" />
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY}" fill="#333333" fill-opacity="0.4" />
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 2}" fill="#666666" fill-opacity="0.4" />
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 4}" fill="#999999" fill-opacity="0.4" />
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 8}" fill="#CCCCCC" fill-opacity="0.4" />
-        <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 16}" fill="#FFFFFF" fill-opacity="0.4" />
+        # Displays an overlay indicator of concentric circles and radiating lines.
+        #
+        # This is useful for adjusting or creating new SVG data generators, but should not otherwise need to be called.
+        # @private
+        def locator
+          <<~SVG
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY * 2}" fill="#000000" fill-opacity="0.4" />
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY}" fill="#333333" fill-opacity="0.4" />
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 2}" fill="#666666" fill-opacity="0.4" />
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 4}" fill="#999999" fill-opacity="0.4" />
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 8}" fill="#CCCCCC" fill-opacity="0.4" />
+            <circle cx="0" cy="0" r="#{USPSFlags::Config::BASE_FLY / 16}" fill="#FFFFFF" fill-opacity="0.4" />
 
-        <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="-#{USPSFlags::Config::BASE_HOIST}" x2="#{USPSFlags::Config::BASE_FLY}" y2="#{USPSFlags::Config::BASE_HOIST}"  stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
-        <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="#{USPSFlags::Config::BASE_HOIST}" x2="#{USPSFlags::Config::BASE_FLY}" y2="-#{USPSFlags::Config::BASE_HOIST}" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
-        <line x1="0" y1="#{USPSFlags::Config::BASE_HOIST}" x2="0" y2="-#{USPSFlags::Config::BASE_HOIST}" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
-        <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="0" x2="#{USPSFlags::Config::BASE_FLY}" y2="0" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
+            <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="-#{USPSFlags::Config::BASE_HOIST}" x2="#{USPSFlags::Config::BASE_FLY}" y2="#{USPSFlags::Config::BASE_HOIST}"  stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
+            <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="#{USPSFlags::Config::BASE_HOIST}" x2="#{USPSFlags::Config::BASE_FLY}" y2="-#{USPSFlags::Config::BASE_HOIST}" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
+            <line x1="0" y1="#{USPSFlags::Config::BASE_HOIST}" x2="0" y2="-#{USPSFlags::Config::BASE_HOIST}" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
+            <line x1="-#{USPSFlags::Config::BASE_FLY}" y1="0" x2="#{USPSFlags::Config::BASE_FLY}" y2="0" stroke="#FFFFFF" stroke-width="#{USPSFlags::Config::BASE_FLY / 600}" />
 
-        <rect x="0" y="0" width="#{USPSFlags::Config::BASE_FLY / 30}" height="#{USPSFlags::Config::BASE_FLY / 30}" fill="#333333" fill-opacity="0.6" />
-      SVG
-    end
+            <rect x="0" y="0" width="#{USPSFlags::Config::BASE_FLY / 30}" height="#{USPSFlags::Config::BASE_FLY / 30}" fill="#333333" fill-opacity="0.6" />
+          SVG
+        end
 
-  private
+      private
 
-    def circles
-      <<~SVG
-        #{pos_circle(0, 0)}
-        #{pos_circle(@width, 0)}
-        #{pos_circle(@width, @height)}
-        #{pos_circle(0, @height)}
-        <circle cx="#{@width * 1 / 4}" cy="#{@height / 2}" r="#{@width / 60}" fill="#999999" fill-opacity="0.4" />
-        <circle cx="#{@width * 3 / 4}" cy="#{@height / 2}" r="#{@width / 60}" fill="#999999" fill-opacity="0.4" />
-        #{radial_circles}
-      SVG
-    end
+        def circles
+          <<~SVG
+            #{pos_circle(0, 0)}
+            #{pos_circle(@width, 0)}
+            #{pos_circle(@width, @height)}
+            #{pos_circle(0, @height)}
+            <circle cx="#{@width * 1 / 4}" cy="#{@height / 2}" r="#{@width / 60}" fill="#999999" fill-opacity="0.4" />
+            <circle cx="#{@width * 3 / 4}" cy="#{@height / 2}" r="#{@width / 60}" fill="#999999" fill-opacity="0.4" />
+            #{radial_circles}
+          SVG
+        end
 
-    def radial_circles
-      <<~SVG
-        #{radial_circle(1, @width / 60)}
-        #{radial_circle(2, @width / 60)}
-        #{radial_circle(2, @width / 75)}
-        #{radial_circle(2, @width / 100)}
-        #{radial_circle(3, @width / 60)}
-      SVG
-    end
+        def radial_circles
+          <<~SVG
+            #{radial_circle(1, @width / 60)}
+            #{radial_circle(2, @width / 60)}
+            #{radial_circle(2, @width / 75)}
+            #{radial_circle(2, @width / 100)}
+            #{radial_circle(3, @width / 60)}
+          SVG
+        end
 
-    def pos_circle(cx, cy)
-      <<~SVG
-        <circle cx="#{cx}" cy="#{cy}" r="#{@width / 60}" fill="#000000" fill-opacity="0.4" />
-      SVG
-    end
+        def pos_circle(cx, cy)
+          <<~SVG
+            <circle cx="#{cx}" cy="#{cy}" r="#{@width / 60}" fill="#000000" fill-opacity="0.4" />
+          SVG
+        end
 
-    def radial_circle(index, radius)
-      <<~SVG
-        <circle cx="#{@width / 2}" cy="#{@height * index / 4}" r="#{radius}"  fill="#999999" fill-opacity="0.4" />
-      SVG
-    end
+        def radial_circle(index, radius)
+          <<~SVG
+            <circle cx="#{@width / 2}" cy="#{@height * index / 4}" r="#{radius}"  fill="#999999" fill-opacity="0.4" />
+          SVG
+        end
 
-    def horizontal_lines
-      (0..4).map { |index| horizontal_line(index) }.join
-    end
+        def horizontal_lines
+          (0..4).map { |index| horizontal_line(index) }.join
+        end
 
-    def horizontal_line(index)
-      <<~SVG
-        <line x1="0" y1="#{@height * index / 4}" x2="#{@width}" y2="#{@height * index / 4}" stroke="#333333" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
-      SVG
-    end
+        def horizontal_line(index)
+          <<~SVG
+            <line x1="0" y1="#{@height * index / 4}" x2="#{@width}" y2="#{@height * index / 4}" stroke="#333333" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
+          SVG
+        end
 
-    def vertical_lines
-      (0..6).map { |index| vertical_line(index) }.join
-    end
+        def vertical_lines
+          (0..6).map { |index| vertical_line(index) }.join
+        end
 
-    def vertical_line(index)
-      <<~SVG
-        <line y1="0" x1="#{@width * index / 6}" y2="#{@height}" x2="#{@width * index / 6}" stroke="#333333" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
-      SVG
-    end
+        def vertical_line(index)
+          <<~SVG
+            <line y1="0" x1="#{@width * index / 6}" y2="#{@height}" x2="#{@width * index / 6}" stroke="#333333" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
+          SVG
+        end
 
-    def diagonal_lines
-      "#{diagonal_line(2, 1, 3, 2)}#{diagonal_line(3, 2, 2, 3)}#{diagonal_line(2, 3, 1, 2)}#{diagonal_line(1, 2, 2, 1)}"
-    end
+        def diagonal_lines
+          diagonal_line(2, 1, 3, 2) +
+            diagonal_line(3, 2, 2, 3) +
+            diagonal_line(2, 3, 1, 2) +
+            diagonal_line(1, 2, 2, 1)
+        end
 
-    def diagonal_line(a, b, c, d)
-      <<~SVG
-        <line x1="#{@width * a / 4}" y1="#{@height * b / 4}" x2="#{@width * c / 4}" y2="#{@height * d / 4}" stroke="#999999" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
-      SVG
+        def diagonal_line(a, b, c, d)
+          <<~SVG
+            <line x1="#{@width * a / 4}" y1="#{@height * b / 4}" x2="#{@width * c / 4}" y2="#{@height * d / 4}" stroke="#999999" stroke-width="#{@stroke_width}" stroke-opacity="0.5" />
+          SVG
+        end
+      end
     end
   end
 end