ImageWindow::DrawBox

Draws a rectangle in the Image Display window

int DrawBox(
   int  x0,
   int  y0,
   int  x1,
   int  y1
);

int DrawBox(
   int  x0,
   int  y0,
   int  x1,
   int  y1,
   COLORREF fillColor
);

int DrawBox(
   double       x0,
   double       y0,
   double       x1,
   double       y1,
   ProcUnit     *ptrProcUnit,
   int  imageNo
);

Parameters

x0	X position coordinate of the upper left corner of the rectangle to be drawn (Pixel)
y0	Y position coordinate of the upper left corner of the rectangle to be drawn (Pixel)
x1	X position coordinate of the lower right corner of the rectangle to be drawn (Pixel)
y1	Y position coordinate of the lower right corner of the rectangle to be drawn (Pixel)
fillColor	Fill color of the rectangle to be drawn
*ptrProcUnit	Pointer to processing unit information
imageNo	Image number

Return Value

Returns 0 when a rectangle is successfully drawn.

Otherwise returns a non-zero value.

Description

Draws a rectangle at the specified position in the Image Display window

Example

   int Sample::MeasureDispG(ProcUnit *ptrProcUnit, int subNo, ImageWindow *ptrImageWindow)
    {

        // Display a rectangle

        ptrImageWindow->DrawBox(100, 100, 200, 200);

        // Display a rectangle

        ptrImageWindow->DrawBox(50, 50, 250, 250, RGB(0, 255, 0));

        // Display a rectangle

        ptrImageWindow->DrawBox(82.6, 85.8, 210.6, 223.4, ptrProcUnit, 0);
    }