Use GDI + plotting in VC ++ 6.0

Use GDI + plotting in VC ++ 6.0

1. Configure the GDI + Environment in VC ++ 6.0

1.1 download the GDI + Library

There is no GDI + Library in VC ++ 6.0. FromHttp://www.crazy-bit.com/download/gdiplus.zipDownload.

1.2 copy the GDI + File

Decompress the downloaded file. Copy the include file to the include directory of the VC installation directory. It is recommended that you rename the file name containing the GDI + header file to gdiplus.

Copy the gdiplus. Lib file in the Lib file to the Lib folder in the VC installation directory.

1.3 configure VC ++ 6.0

Add the gdiplus folder in step 1 to tools> Options> directories of your VC ++ project.

2. Drawing instance

2.1 Add in stdafx. h

# Ifndef ulong_ptr
# Define ulong_ptr unsigned long *
# Endif
# Include <gdiplus. h>
Using namespace gdiplus;

2.2 Add a variable to * app class

Ulong_ptr m_gdiplustoken;

2.3 initialize GDI + in initinstance

Gdiplusstartupinput;
Gdiplusstartup (& m_gdiplustoken, & gdiplusstartupinput, null );

Note: Be sure to add it before m_pmainwnd-> showwindow (sw_show.

2.4 draw in ondraw

Graphics graphics (PDC-> m_hdc );

Pen (color (50,255, 0,255), 15 );
Pen. setdashstyle (dashstyledash );
Pen. setstartcap (linecaproundanchor );
Pen. setendcap (linecaparrowanchor );

graphics. drawline (& pen, 20, 20,300,100);
graphics. drawline (& pen, 300,100,600,100);