2.9 Line-Output Functions

Line-output functions create simple and complex line output with the selected pen. The following list briefly describes each line-output function:

Function Description  
Arc Draws an arc.  
LineDDA Computes successive points on a line.  
LineTo Draws a line with the selected pen.  
MoveTo Moves the current position to the specified point.  
Polyline Draws a set of line segments.  

Figure 2.7 shows an arc created by using the Arc function. The upper portion of the illustration shows the arc as it would appear on a display; the lower portion shows the arc suspended in its bounding rectangle, which GDI uses to determine the size and shape of the arc: