Difference between revisions of "gc:drawString"

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== Example  ==
 
== Example  ==
<syntaxhighlight>gc:drawString("Hello World", 0, 0, "top")</syntaxhighlight>
+
<syntaxhighlight>function on.paint(gc)
 +
    gc:drawString("Hello World", 0, 0, "top")
 +
end</syntaxhighlight>
 
will display&nbsp;&nbsp;&nbsp; Hello World &nbsp;&nbsp;&nbsp; at the top-left part of the screen.
 
will display&nbsp;&nbsp;&nbsp; Hello World &nbsp;&nbsp;&nbsp; at the top-left part of the screen.
  
 
<br /><br />
 
<br /><br />
 
[[Category:gc]]
 
[[Category:gc]]

Revision as of 17:25, 27 October 2011

drawString is a function that is part of gc (Graphics Context).

This function is used to display text, numbers etc. on the screen at specified coordinates.


Returns an integer corresponding to the width of the displayed string.


This has been introduced in TI-Nspire OS 3.0 (Changes).


Syntax

gc:drawString(string, x, y [,position])

Parameter Type Description
string
string The text to display
x
number the x coordinate of the beginning of the string. Relative to position.
y
number the y coordinate of the beginning of the string. Relative to position.
position
string the string’s anchor point. It can either be "baseline", “bottom”, “middle”, or “top”.

Example

function on.paint(gc)
     gc:drawString("Hello World", 0, 0, "top")
end

will display    Hello World     at the top-left part of the screen.