ImageWindow::DrawLine

Draws a line in the Image Display window

int DrawLine(
   int  x0,
   int  y0,
   int  x1,
   int  y1

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

Parameters

x0	Initial point X position coordinate of the straight line to be drawn (Pixel)
y0	Initial point Y position coordinate of the straight line to be drawn (Pixel)
x1	Terminal X position coordinate of the straight line to be drawn (Pixel)
y1	Terminal Y position coordinate of the straight line to be drawn (Pixel)
*ptrProcUnit	Pointer to processing unit information
imageNo	Image number

Return Value

Returns 0 when a straight line is successfully drawn.

Otherwise returns a non-zero value.

Description

Draws a straight line at the specified position in the Image Display window.

Example

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

        // Display a straight line

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

        // Display a straight line

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