2 Visual Components Manuals

Introduction to Visual Components 2.3
BOOL _GLOBAL del;
unsigned long VC_HANDLE;
_CYCLIC void Cyclic(void)
{
if (!ready)
{
VC_HANDLE = VA_Setup(1 , "visu");
if (VC_HANDLE)
ready = 1;
}
if (ready)
{
if (!VA_Saccess(1,VC_HANDLE))
{
if (del)
{
status = VA_DelAlarmHistory(1,VC_HANDLE);
del = 0;
}
VA_Srelease(1,VC_HANDLE);
}
}
}
3.3.8.4 Graphics and Text Output − VA_Ellipse
Draws an ellipse or circle.
Note:
This function is not supported on the PP41.
3.3.8.4.1 Parameter
I/O Parameter Type Meaning
IN enable BOOL This function is only executed if enable is TRUE.
IN VCHandle UDINT The handle returned by VA_Setup.
IN x/y UINT Coordinates for the center of the ellipse
IN height UINT Height of the ellipse in pixels
IN width UINT Width of the ellipse in pixels
IN fill UINT Ellipse fill color
IN color UINT Ellipse border color
OUT Return Value UINT Not equal to 0 if error occurs
3.3.8.4.2 Example for Automation Basic
(* cyclic program *)
x = 100
y = 150
height = 30
width = 60
fill = 255
color = 0
; Transparent
; Black
if ready 1 then
VC_HANDLE = VA_Setup(1 "vga") ,
if VC_HANDLE 0 then
ready = 1
endif
endif
if ready = 1 then
VA_Saccess(1,VC_HANDLE)= if
0 then
VA_Ellipse (1,VC_HANDLE,x,y,heigth,width,fill,color)
endif
VA_Srelease(1,VC_HANDLE)
3.3.8.4 Graphics and Text Output − VA_Ellipse 139