/**
* Returns the width of the specified codepoint.
*
* @param g graphics reference
* @param cp character
* @return width
*/
private int charW(final Graphics g, final int cp) {
return cp < ' ' || g == null
? cp == '\t' ? fwidth[' '] * BaseXTextTokens.TAB : 0
: cp < 256
? fwidth[cp]
: cp >= 0xD800 && cp <= 0xDC00 ? 0 : g.getFontMetrics().charWidth(cp);
}
/**
* Draws a visualization tooltip.
*
* @param g graphics reference
* @param tt tooltip label
* @param x horizontal position
* @param y vertical position
* @param w width
* @param c color color depth
*/
public static void drawTooltip(
final Graphics g, final String tt, final int x, final int y, final int w, final int c) {
final int tw = width(g, tt);
final int th = g.getFontMetrics().getHeight();
final int xx = Math.min(w - tw - 8, x);
g.setColor(color(c));
g.fillRect(xx - 1, y - th, tw + 4, th);
g.setColor(BACK);
g.drawString(tt, xx, y - 4);
}
/**
* Returns the character width of the specified character.
*
* @param g graphics reference
* @param cw array with character widths
* @param c character
* @return character width
*/
public static int width(final Graphics g, final int[] cw, final int c) {
return c >= cw.length ? g.getFontMetrics().charWidth(c) : cw[c];
}
/**
* Returns the width of the specified text.
*
* @param g graphics reference
* @param s string to be evaluated
* @return string width
*/
public static int width(final Graphics g, final String s) {
return g.getFontMetrics().stringWidth(s);
}