Draws text in red with appropriate word wrap. - Java 2D Graphics

Java examples for 2D Graphics:Text

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Description

Draws text in red with appropriate word wrap.

Demo Code


//package com.java2s;
import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextLayout;
import java.text.AttributedString;

public class Main {
    /**/*from  w  w  w  . j av a  2 s  . c om*/
     * Draws text in red with appropriate word wrap.
     * 
     * @param g
     *            the Graphics on which to draw
     * @param message
     *            the error message
     * @param widthOfDrawingSpace
     *            the width (in pixels) of the "paragraph"
     */
    public static void drawErrorMessage(Graphics2D g, String message,
            int widthOfDrawingSpace) {
        LineBreakMeasurer linebreaker = new LineBreakMeasurer(
                new AttributedString(message).getIterator(),
                g.getFontRenderContext());
        g.setColor(Color.red);
        float y = 0.0f;
        while (linebreaker.getPosition() < message.length()) {
            TextLayout tl = linebreaker.nextLayout(widthOfDrawingSpace);
            y += tl.getAscent();
            tl.draw(g, 0, y);
            y += tl.getDescent() + tl.getLeading();
        }
    }
}

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