GSTXP

GDDM-GKS V1R1 Programming Guide and Reference

GSTXP

GDDM-GKS V1R1 Programming Guide and Reference
SC33-0334-00

Purpose


GSTXP	(txp)

APL code	1333
GKS RCP code	X'38002100' (939532544)

Function: To set text path.

Attribute function. Sets the current text path for text output primitives.

Parameters

txp (specified by user) (fullword integer)
The direction in which characters are placed, relative to the previous character position. The possible values are:

0 (GRIGHT)

Right

1 (GLEFT)

Left

2 (GUP)

3 (GDOWN)

Down

Operating states

GKOP, WSOP, WSAC, SGOP

Related functions

Inquire text path (GQTXP)

Description

The "current text path" entry in the GKS state list is set to the value given by txp. This value is used when creating subsequent text output primitives. The text path is the direction of placement of characters relative to the preceding character on the workstation.

If this function is not used, GDDM-GKS uses the default value right.

Principal errors

8: GKS not in proper state: GKS shall be in one of the states GKOP, WSOP, WSAC, or SGOP

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