GDI+: GdipDrawPie

[José Roca]

The following example draws a pie.

C++

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VOID Example_DrawPie4(HDC hdc)
{
   Graphics graphics(hdc);

   // Create a Pen object.
   Pen blackPen(Color(255, 0, 0, 0), 3);

   // Define the pie.
   REAL x = 0.0f;
   REAL y = 0.0f;
   REAL width = 200.0f;
   REAL height = 100.0f;
   REAL startAngle = 0.0f;
   REAL sweepAngle = 45.0f;

   // Draw the pie.
   graphics.DrawPie(&blackPen, x, y, width, height, startAngle, sweepAngle);
}


PowerBASIC

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SUB GDIP_DrawPie (BYVAL hdc AS DWORD)

   LOCAL hStatus AS LONG
   LOCAL pGraphics AS DWORD
   LOCAL pPen AS DWORD
   LOCAL x AS SINGLE
   LOCAL y AS SINGLE
   LOCAL nWidth AS SINGLE
   LOCAL nHeight AS SINGLE
   LOCAL startAngle AS SINGLE
   LOCAL sweepAngle AS SINGLE

   hStatus = GdipCreateFromHDC(hdc, pGraphics)

   ' // Create a Pen
   hStatus = GdipCreatePen1(GDIP_ARGB(255,0, 0, 0), 3, %UnitPixel, pPen)

   ' // Define the pie.
   x = 0.0!
   y = 0.0!
   nWidth = 200.0!
   nHeight = 100.0!
   startAngle = 0.0!
   sweepAngle = 45.0!

   ' // Draw the pie
   hStatus = GdipDrawPie(pGraphics, pPen, x, y, nWidth, nHeight, startAngle, sweepAngle)

   ' // Cleanup
   IF pPen THEN GdipDeletePen(pPen)
   IF pGraphics THEN GdipDeleteGraphics(pGraphics)

END SUB