该代码实现了二维、三维图形基本变换（平移、缩放、对称、旋转、错切）-the realization of a two-dimensional code, the basic 3D graphics transform (translation, scaling, symmetry, rotation, shear)

该代码实现了二维、三维图形基本变换（平移、缩放、对称、旋转、错切）-the realization of a two-dimensional code, the basic 3D graphics transform (translation, scaling, symmetry, rotation, shear)