Draws a rectangle at the specified location with the supplied pen thickness. - Java 2D Graphics

Java examples for 2D Graphics:Rectangle

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Description

Draws a rectangle at the specified location with the supplied pen thickness.

Demo Code


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

public class Main {
    /** Draws a rectangle at the specified location
     *  with the supplied pen thickness. left/top are
     *  the <B>center</B> of the lines drawn. Ie
     *  width/height are from the center of one side
     *  to the center of the other. So the inside
     *  width/heights are really lineWidth less than
     *  the values of width and height./*from   w ww .  j a  v  a 2 s  .c o  m*/
     *
     * @param g The Graphics object.
     * @param left Center of left side edge.
     * @param top Center of the top edge.
     * @param width Distance from center of L side to
     *              center of R side.
     * @param height Distance from center of top side to
     *               center of bottom side.
     * @param lineWidth Pen thickness.
     */

    public static void drawRect(Graphics g, int left, int top, int width,
            int height, int lineWidth) {
        left = left - lineWidth / 2;
        top = top - lineWidth / 2;
        width = width + lineWidth;
        height = height + lineWidth;
        for (int i = 0; i < lineWidth; i++) {
            g.drawRect(left, top, width, height);
            left = left + 1;
            top = top + 1;
            width = width - 2;
            height = height - 2;
        }
    }

    /** Draws a rectangle at the specified location
     *  with the supplied pen thickness and color.
     *  left/top are the <B>center</B> of the lines drawn.
     *  Ie width/height are from the center of one side
     *  to the center of the other. So the inside
     *  width/heights are really lineWidth less than
     *  the values of width and height.
     *
     * @param g The Graphics object.
     * @param left Center of left side edge.
     * @param top Center of the top edge.
     * @param width Distance from center of L side to
     *              center of R side.
     * @param height Distance from center of top side to
     *               center of bottom side.
     * @param lineWidth Pen thickness.
     * @param c The color in which to draw.
     */

    public static void drawRect(Graphics g, int left, int top, int width,
            int height, int lineWidth, Color c) {
        Color origColor = g.getColor();
        g.setColor(c);
        drawRect(g, left, top, width, height, lineWidth);
        g.setColor(origColor);
    }

    /** Draws a 1-pixel thick rectangle at the specified
     *  location with the supplied color.
     *
     * @param g The Graphics object.
     * @param left The x-coordinate of left side edge.
     * @param top The y-coordinate of the top edge.
     * @param width width of rectangle.
     * @param height height of rectangle.
     * @param c The color in which to draw.
     */

    public static void drawRect(Graphics g, int left, int top, int width,
            int height, Color c) {
        drawRect(g, left, top, width, height, 1, c);
    }
}

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