you need to understand how the transformation matrix works, see (sorry, the code is in C++)
GDI+ Brushes and Matrices
http://www.codeproject.com/vcpp/gdiplus/gdiplusbrushes.asp?print=true
GDI+ Brushes and Matrices
http://www.codeproject.com/vcpp/gdiplus/gdiplusbrushes.asp?print=true
解决方案 »
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