DCL:GRPH1:SWPACK: Machine-Dependent Routines:Explanation of Subroutines: Inquiry Routines
Inquires about the capabilities of a SWPACK routine.
CALL SWQWDC(LWD)
CALL SWQCLC(LCL)
CALL SWQTNC(LTN)
CALL SWQIMC(LIM)
CALL SWQPTC(LPT)
LWD (L) When line width can be varied: .TRUE. (o) LCL (L) When line color can be varied: .TRUE. (o) LTN (L) When hard fill can be made: .TRUE. (o) LIM (L) When imaging can be made: .TRUE. (o) LIM (L) When the position of the mouse can be inquired: .TRUE. (o)
- (a)
- In devices where the line width or color cannot be changed, a higher routine converts the information of the line attribute to an attribute that can be distinguished in the device, unless specified otherwise.
- (b)
- In a device that cannot perform hard fill, a higher routine will perform soft fill.