GDI+: GdipSetPenMode

[José Roca]

The following example creates two Pen objects and sets the alignment for one of the pens. The code then draws two lines using each of the pens.

C++

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VOID Example_SetAlignment(HDC hdc)
{
   Graphics graphics(hdc);

   // Create a black and a green pen.
   Pen blackPen(Color(255, 0, 0, 0), 1);
   Pen greenPen(Color(255, 0, 255, 0), 15);

   // Set the alignment of the green pen.
   greenPen.SetAlignment(PenAlignmentInset);

   // Draw two ellipses using each pen.
   graphics.DrawEllipse(&greenPen, 0, 0, 100, 200);
   graphics.DrawEllipse(&blackPen, 0, 0, 100, 200);
}


PowerBASIC

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SUB GDIP_SetPenMode (BYVAL hdc AS DWORD)

   LOCAL hStatus AS LONG
   LOCAL pGraphics AS DWORD
   LOCAL pBlackPen AS DWORD
   LOCAL pGreenPen AS DWORD

   hStatus = GdipCreateFromHDC(hdc, pGraphics)

   ' // Create a black and a green pen.
   hStatus = GdipCreatePen1(GDIP_ARGB(255, 0, 0, 0), 1, %UnitWorld, pBlackPen)
   hStatus = GdipCreatePen1(GDIP_ARGB(255, 0, 255, 0), 15, %UnitWorld, pGreenPen)

   ' // Set the alignment of the green pen.
   hStatus = GdipSetPenMode(pGreenPen, %PenAlignmentInset)

   ' // Draw two ellipses using each pen.
   hStatus = GdipDrawEllipseI(pGraphics, pGreenPen, 0, 0, 100, 200)
   hStatus = GdipDrawEllipseI(pGraphics, pBlackPen, 0, 0, 100, 200)

   ' // Cleanup
   IF pBlackPen THEN GdipDeletePen(pBlackPen)
   IF pGreenPen THEN GdipDeletePen(pGreenPen)
   IF pGraphics THEN GdipDeleteGraphics(pGraphics)

END SUB


The following illustration shows the output of the preceding code.