Get whether rows are organized top to bottom, or bottom to top in images.

gfx/public/nsIImage.h

@@ -73,6 +73,13 @@ public:
    */
   virtual PRInt32 GetBytesPix() = 0;
 
+  /**
+   * Get whether rows are organized top to bottom, or bottom to top 
+   * @update - syd 3/29/99 
+   * @return PR_TRUE if top to bottom, else PR_FALSE 
+   */
+  virtual PRBool GetIsRowOrderTopToBottom() = 0;
+
   /**
    * Get the width for the pixelmap
    * @update - dwc 2/1/99