Topic       : The ATARI Compendium
Author      : Scott Sanders / JAY Software
Version     : 1.25 (20/6/2003)
Subject     : Documentation
Nodes       : 1117
Index Size  : 32614
HCP-Version : 6
Compiled on : Atari
@charset    : UTF-8
@lang       : en
@default    : 
@help       : %About
@options    : +g -i -t4 +y +z
@width      : 100
View Ref-Filevqt_width()
vqt_extent()
vqt_f_extent()
vqt_advance32()                                                         VDI

Syntax

VOID vqt_advance32( handle, wch, advx, advy )
WORD handle, wch;
fix31 *advx, *advy;

Function      vqt_advance32() is a variation of the binding for
              vqt_advance() which returns the advance vector and remainder
              for a character as two fix31 values..

Opcode        247

Availability  Available only with SpeedoGDOS.

Parameters    handle specifies a valid workstation handle. wch contains
              the character which you desire information for. Upon return
              the fix31s pointed to by advx and advy will be filled in
              with the correct advance vector.

Binding       contrl[0] = 247;
              contrl[1] = 0;
              contrl[3] = 1;
              contrl[6] = handle;

              intin[0] = wch;

              vdi();

              *advx = (fix31)((ptsout[4] << 16) | ptsout[5]);
              *advy = (fix31)((ptsout[6] << 16) | ptsout[7]);

Comments      advx and advy, when added to the position where the
              character was rendered will indicate the position to draw
              the next character. This advance vector works in all
              directions with all character rotations.

See Also      vqt_width(), vqt_extent(), vqt_f_extent()

Group         VDI SpeedoGDOS