详细说明：用C+ +语言实现的绘图程序，主要功能包括：画线、画圆、画矩形以及序列化等功能。- Using等功能。

C + + language to achieve the drawing program, the main functions include: drawing lines, drawing circles, drawing rectangle, as well as serialization and other functions.

youdao

详细说明：用C+ +语言实现的绘图程序，主要功能包括：画线、画圆、画矩形以及序列化等功能。- Using等功能。

C + + language to achieve the drawing program, the main functions include: drawing lines, drawing circles, drawing rectangle, as well as serialization and other functions.

youdao