Graphics text:

GDDM V3R2 Base Application Programming Guide

Graphics text:

GDDM V3R2 Base Application Programming Guide
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Mode-1: The symbols do not have to match the hardware cells: they can be of any size. Their horizontal and vertical spacing are equal to their width and depth.

The symbol sets can be loaded by a GSLSS call, or, if the symbols are the same size as the graphics cell, by a PSLSS. Unlike on other 3270 display devices, you should not use the same symbol-set identifier in a PSLSS as in a GSLSS because you cannot predict which is to be made current when the identifier is specified in a GSCS call. It might also cause the PSLSS-loaded set to be erroneously selected for mode-2 graphics text.

Default symbol set: The workstations have built-in image and vector symbol sets. For mode-1 and -2, the workstation image symbols are used by default. Their size equals that of the hardware graphics cell. For mode-3, hardware vector symbols scaled to fit the current character box are used by default. The default character box is the same size as the graphics cell.

For mode-2 and -3, you can specify that a GDDM set be used as the default instead of the hardware set. You do so with a processing option (see "Using DSOPEN to tell GDDM about a device you intend to use" in topic 18.1). In this case, the default symbol sets are the same as on a 3472-G (see "Specifying a symbol set for graphics text" in topic 12.3), except for device-dependent suffixes.

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