Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WebLookAndFeel library.  If not, see <http://www.gnu.org/licenses/>.
 */

import javax.swing.*;

import java.awt.*;

public class Main {
    /**
     * Paints string with underlined character at the specified index.
     *
     * @param g               graphics context
     * @param text            painted text
     * @param underlinedIndex underlined character index
     * @param x               text X coordinate
     * @param y               text Y coordinate
     */
    public static void drawStringUnderlineCharAt(final Graphics g, final String text, final int underlinedIndex,
            final int x, final int y) {
        // Painting string
        drawString(g, text, x, y);

        // Painting character underline
        if (underlinedIndex >= 0 && underlinedIndex < text.length()) {
            final FontMetrics fm = g.getFontMetrics();
            g.fillRect(x + fm.stringWidth(text.substring(0, underlinedIndex)), y + fm.getDescent() - 1,
                    fm.charWidth(text.charAt(underlinedIndex)), 1);
        }
    }

    /**
     * Paints string.
     *
     * @param g    graphics context
     * @param text painted text
     * @param x    text X coordinate
     * @param y    text Y coordinate
     */
    public static void drawString(final Graphics g, final String text, final int x, final int y) {
        g.drawString(text, x, y);
    }

    /**
     * Returns the FontMetrics for the current Font of the passed in Graphics.
     * This method is used when a Graphics is available, typically when painting.
     * If a Graphics is not available the JComponent method of the same name should be used.
     * <p/>
     * This does not necessarily return the FontMetrics from the Graphics.
     *
     * @param c JComponent requesting FontMetrics, may be null
     * @param g Graphics Graphics
     */
    public static FontMetrics getFontMetrics(final JComponent c, final Graphics g) {
        return getFontMetrics(c, g, g.getFont());
    }

    /**
     * Returns the FontMetrics for the specified Font.
     * This method is used when a Graphics is available, typically when painting.
     * If a Graphics is not available the JComponent method of the same name should be used.
     * <p/>
     * This does not necessarily return the FontMetrics from the Graphics.
     *
     * @param c    JComponent requesting FontMetrics, may be null
     * @param g    Graphics Graphics
     * @param font Font to get FontMetrics for
     */
    public static FontMetrics getFontMetrics(final JComponent c, final Graphics g, final Font font) {
        if (c != null) {
            return c.getFontMetrics(font);
        } else {
            return g.getFontMetrics(font);
        }
    }

    /**
     * Returns the width of the passed in String.
     * If the passed String is null, returns zero.
     *
     * @param fm     FontMetrics used to measure the String width
     * @param string String to get the width of
     */
    public static int stringWidth(final FontMetrics fm, final String string) {
        if (string == null || string.equals("")) {
            return 0;
        }
        return fm.stringWidth(string);
    }
}