image.rb in standard-procedure-consolidate-0.4.0

- old
+ new

@@ -11,14 +11,22 @@
 
       # Path to use when storing this image within the docx
       def storage_path = "word/#{media_path}"
 
       # Convert width from pixels to EMU
-      def width = super * EMU_PER_PIXEL
+      def width = super * emu_per_width_pixel
 
       # Convert height from pixels to EMU
-      def height = super * EMU_PER_PIXEL
+      def height = super * emu_per_height_pixel
 
-      EMU_PER_PIXEL = (914400 / 72)
+      # Get the width of this image in EMU up to a maximum page width (also in EMU)
+      def clamped_width(maximum = 7_772_400) = [width, maximum].min
+
+      # Get the height of this image in EMU adjusted for a maximum page width (also in EMU)
+      def clamped_height(maximum = 7_772_400) = (height * clamped_width(maximum).to_f / width.to_f).to_i
+
+      def emu_per_width_pixel = 914_400 / dpi[:x]
+
+      def emu_per_height_pixel = 914_400 / dpi[:y]
     end
   end
 end