Adding the already exting code

lv_draw/lv_draw_rbasic.h

@@ -0,0 +1,38 @@
+/**
+ * @file lv_draw_rbasic..h
+ * 
+ */
+
+#ifndef LV_DRAW_RBASIC_H
+#define LV_DRAW_RBASIC_H
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "misc/others/color.h"
+#include "../lv_misc/2d.h"
+#include "../lv_misc/font.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void lv_rfill(const area_t * area_p, const area_t * mask_p, 
+                   color_t color, opa_t opa);
+void lv_rletter(const point_t * pos_p, const area_t * mask_p, 
+                     const font_t * font_p, uint8_t letter,
+                     color_t color, opa_t opa);
+void lv_rmap(const area_t * cords_p, const area_t * mask_p,
+             const color_t * map_p, opa_t opa, bool transp);
+/**********************
+ *      MACROS
+ **********************/
+
+#endif