Ensure that the color_space and dash attributes are properly copied w…

…hen using dup/clone to copy a graphic state
prawnpdf · Jan 14, 2014 · 77ffca0 · 77ffca0
1 parent 18ec12b
commit 77ffca0
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diff --git a/lib/pdf/core/graphics_state.rb b/lib/pdf/core/graphics_state.rb
@@ -63,6 +63,13 @@ def dash_setting
           "[#{@dash[:dash]} #{@dash[:space]}] #{@dash[:phase]} d"
         end
       end
+
+      private
+
+      def initialize_copy(other)
+        @color_space = other.color_space.dup
+        @dash = other.dash.dup
+      end
     end
   end
 end
diff --git a/spec/graphics_spec.rb b/spec/graphics_spec.rb
@@ -484,6 +484,12 @@
     new_state.color_space.object_id.should_not == @pdf.graphic_state.color_space.object_id
     new_state.dash.object_id.should_not == @pdf.graphic_state.dash.object_id
   end
+
+  it "should dup the color_space and dash hashes when duping" do
+    new_state = @pdf.graphic_state.dup
+    new_state.color_space.object_id.should_not == @pdf.graphic_state.color_space.object_id
+    new_state.dash.object_id.should_not == @pdf.graphic_state.dash.object_id
+  end
 end
 
 describe "When using transformation matrix" do