WINDOW

Finds the coordinates of the window associated with a transformation number

Operating state:

GKOP, SGOP, WSAC, WSOP

Syntax

Details

Syntax

CALL GASK('WINDOW', n, llx, lly, urx, ury, return-code-variable);

Required Arguments

n: numeric constant or numeric variable name; indicates the transformation number of the window to check. Valid values are 0 to 20, inclusive. If n is expressed as a variable, the variable must be initialized to a value between 0 and 20.

llx: numeric variable name; returns the x coordinate of the lower left corner.

lly: numeric variable name; returns the y coordinate of the lower left corner.

urx: numeric variable name; returns the x coordinate of the upper right corner.

ury: numeric variable name; returns the y coordinate of the upper right corner.

return-code-variable: numeric variable name; returns the return code of the routine call. The return code can be 0, 8, or 50. See Return Codes for DSGI Routines and Functions.

Details

The GASK('WINDOW', . . . ) routine returns the coordinates of the window associated with the specified transformation number. If no window has been defined with the GSET('WINDOW', . . . ) function for transformation n, GASK('WINDOW', . . . ) returns the default window coordinates, which are device dependent.