add nativeapis

Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

en/application-dev/reference/native-apis/drawing__color_8h.md

 # drawing_color.h
+
+
+## Overview
+
+Declares functions related to the **color** object in the drawing module.
+
+**Since:**
+8
+
+**Related Modules:**
+
+[Drawing](_drawing.md)
+
+
+## Summary
+
+
+### Functions
+
+| Name | Description | 
+| -------- | -------- |
+| [OH_Drawing_ColorSetArgb](_drawing.md#oh_drawing_colorsetargb) (uint32_t alpha, uint32_t red, uint32_t green, uint32_t blue) | Converts four variables (alpha, red, green, and blue) into a 32-bit (ARGB) variable that describes a color.  |