Java Graphics Draw drawRainbow(Graphics2D g2, int x, int y, int Width, int Height, int Mode)

Description

draw Rainbow

License

Open Source License

Declaration

static public void drawRainbow(Graphics2D g2, int x, int y, int Width, int Height, int Mode) 

Method Source Code

//package com.java2s;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.util.Vector;

public class Main {
    static public void drawRainbow(Graphics2D g2, int x, int y, int Width, int Height, int Mode) {
        Vector Colors = new Vector();
        GradientPaint gp;//  w w w.  j a va  2 s. co m
        switch (Mode) {
        case 1:
            Colors.add(new Color(255, 000, 000));
            Colors.add(new Color(255, 255, 000));
            Colors.add(new Color(000, 255, 000));
            Colors.add(new Color(000, 255, 255));
            Colors.add(new Color(000, 000, 255));
            Colors.add(new Color(255, 000, 255));
            break;
        case 2:
            Colors.add(new Color(255, 000, 000));
            Colors.add(new Color(255, 255, 000));
            Colors.add(new Color(000, 000, 128));
            break;
        case 3:
            Colors.add(new Color(255, 000, 255));
            Colors.add(new Color(000, 000, 255));
            Colors.add(new Color(000, 255, 255));
            Colors.add(new Color(000, 255, 000));
            Colors.add(new Color(255, 255, 000));
            Colors.add(new Color(255, 000, 000));
            break;

        }
        double Step = Width / (double) (Colors.size() - 1);
        for (int i = 0; i < (Colors.size() - 1); i++) {
            gp = new GradientPaint(x + (int) Math.round(i * Step), 0, (Color) Colors.get(i),
                    x + (int) Math.round((i + 1) * Step), 0, (Color) Colors.get(i + 1));
            g2.setPaint(gp);
            g2.drawRect(x + (int) Math.round(i * Step), y, (int) Step, Height);
            g2.fillRect(x + (int) Math.round(i * Step), y, (int) Step, Height);
        }
    }
}

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4. drawPowerScaleLabel(Graphics g, int base, int power, int x, int y, boolean yAxisP)
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6. drawRequiredMarker(Graphics2D g2, int x, int y, int iconSize)
7. drawRTriangle(Graphics g, Color color, int x, int y, int r)
8. drawScaleTick(Graphics g, int x, int y, boolean yAxisP, int length)
9. drawScrollBar(Graphics g, int which, int direction, int x, int y, int fmWidth, int fmHeight, Color fg, Color bg)