| stringwidth |
(String str) |
typedict.Graphics |
| |
Returns the distance the current point would move horizontally
in user space if the string
str
were printed by
show
on
drawable
using the current
font.
The number returned by
stringwidth
matches the horizontal advance returned by
stringadvance.
| |
| Example: |
The program,
import yoix.*.*;
JFrame f = {
Color background = Color.black;
Graphics graphics = {
String font = "Lucida-bold-24";
};
paint(Rectangle r) {
String text = "hello, world";
graphics { // "named block"
gsave();
rectclip(r);
translate(144, 144);
rotate(15);
moveto(0, 0);
rlineto(72*3, 0);
moveto(0, 0);
rlineto(0, 72*3);
setrgbcolor(1, 1, 1);
stroke();
moveto(-stringwidth(text)/2, 0);
setrgbcolor(1, 0, 0);
show(text);
grestore();
}
}
};
f.visible = TRUE;
defines a paint function in a frame that draws coordinate axes and then uses
stringwidth
to figure out how to print a string so its center end up near the origin.
| | |
| Return: |
double
| | |
| See Also: |
ashow,
awidthshow,
charpath,
imagepath,
kshow,
show,
showimage,
stringadvance,
stringbounds,
widthshow
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Yoix is a registered trademark of AT&T Inc.
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