CPC_compare_colors()

used in Save_SCR()

src/oldies.h

@@ -80,6 +80,17 @@ void CPC_set_HW_palette(T_Components * palette);
  */
 void CPC_set_default_BASIC_palette(T_Components * palette);
 
+/**
+ * compare two RGB colors
+ *
+ * The RGB colors are compared in order as if they were
+ * converted from CPC (27 color palette), as there are several
+ * mapping of the 3 level CPC RGB signals.
+ *
+ * @return true if the RGB colors map to the same CPC color
+ */
+int CPC_compare_colors(T_Components * col1, T_Components * col2);
+
 /**
  * Check AMSDOS header
  *