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windows GDI

windows GDI

windows GDI

(OP)
Can anybody tell me how to get the graphics drivers working in Windows?

Thanks

RE: windows GDI

Could you clairify this a little? ie: Is this a programming question? Any particular version of driver? Any particular method of accessing these drivers that you are have problems with. Etc.....


Kim_Christensen@telus.net
Home Page

RE: windows GDI

(OP)
I'm trying to write a program which uses windows graphich driver interface.How can I get the handle of the driver to which the help file refers to?

RE: windows GDI

If you are thinking of Windows GDI function calls, ie API calls, then all you have to do is get the device context of the client area. Select a pen into the device context while preserving the handle of the original pen. Use one of the GDI drawing functions like Ellipse(). Then select the pen out of the device context and delete it. Something like below:

   zhdc = GetDC(hwnd); // Get device context of our Window

   NewPen = CreatePen(PS_SOLID, 6, RGB(255, 0, 0));     // Create a Red pen
   OldPen = SelectObject(zhdc, NewPen); // Get handle of original pen & set New pen
   Ellipse(zhdc, 20, 40, 40, 60);
   SelectObject(zhdc, OldPen);  // Put the old pen back so we can
   DeleteObject(NewPen);        // safely delete the Red one

   ReleaseDC(hwnd, zhdc);


Kim_Christensen@telus.net
Home Page

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