Texas Instruments TI-89 Developer's Guide

1180
Appendix A: System Routines — Windows
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
WinLineTo
Declaration:
void
WinLineTo
(WINDOW *
w
, WIN_COORDS
x0
, WIN_COORDS
y0
)
Category(ies):
Windows
Description:
Draw a line from the current pen position using absolute window
coordinates, then update the pen position to those coordinates. The current
pen position can be initialized with
WinMoveTo
.
Inputs:
w
— WINDOW struct of a previously opened window.
x0, y0
— End-point of line to draw.
Outputs:
None
Assumptions:
The valid line attributes are: A_NORMAL (set), A_REVERSE (clear),
A_XOR and A_THICK1 (double thick line).
Side Effects:
None
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: WinAttr, WinLine, WinLineRel, WinMoveTo
Example:
/* Draw a rectangle (could use WinRect to do the same thing) */
WinMoveTo( &appW, 10, 10 );
WinLineTo( &appW, 100, 10 );
WinLineTo( &appW, 100, 60 );
WinLineTo( &appW, 10, 60 );
WinLineTo( &appW, 10, 10 );

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA