简单绘图程序，能够绘制基本图元，如直线、圆、圆弧、多边形（采用橡皮条技术）； 实现图形的平移、缩放、旋转、对称、错切及组合变化；4) 选择图形，改变选中的图形的颜色、线型-Simple drawing program, capable of drawing graphics primitives, such as lines, circles, arcs, polygons (using the rubber band technique) graphics translation, scal

计算机图形学，mfc实现二维图形的基本几何变换，如平移、旋转、缩放、对称、错切变换-Computer graphics, mfc achieve the basic two-dimensional graphics geometric transformations, such as translation, rotation, scaling, symmetry, shear transformation