elab-hxb/src/main/java/model/Axis.java

package model;

import java.awt.*;

/**
 * @author duh
 * @create 2018/7/18 18:58
 * @email duh@elab-plus.com
 **/
public class Axis  extends ModuleInAxis {
    private int xLength;
    private int yLength;
    private int xSpacing;
    private int ySpacing;
    private int spacingLength = 5;
    @Override
    public void drawSelf(Graphics g) {
        System.out.println("begin to draw axis");
        Graphics2D g2d = (Graphics2D) g.create();
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setColor(Color.RED);
        int axisX = x;
        int axisY = y;
        g2d.drawString("0",axisX,axisY+10);
        drawXAxis(axisX,axisY,xLength,g2d);
        drawYAxis(axisX,axisY,yLength,g2d);
        g2d.dispose();
    }
    private void drawXAxis(int x1, int y1, int length, Graphics2D g2d){
        g2d.drawLine(x1,y1,x1+length,y1);
        int xNumber = length/xSpacing;
        for(int i = 1;i<xNumber;i++){
            g2d.drawLine(x1+i*xSpacing,y1,x1+i*xSpacing,y1+spacingLength);
        }
    }
    private void drawYAxis(int x1, int y1, int length, Graphics2D g2d){
        g2d.drawLine(x1,y1,x1,y1-length);
        int yNumber = length/ySpacing;
        for(int i = 1;i<yNumber;i++){
            g2d.drawLine(x1,y1-i*ySpacing,x1-spacingLength,y1-i*ySpacing);
        }
    }
    public int getxLength() {
        return xLength;
    }

    public void setxLength(int xLength) {
        this.xLength = xLength;
    }

    public int getyLength() {
        return yLength;
    }

    public void setyLength(int yLength) {
        this.yLength = yLength;
    }

    public int getxSpacing() {
        return xSpacing;
    }

    public void setxSpacing(int xSpacing) {
        this.xSpacing = xSpacing;
    }

    public int getySpacing() {
        return ySpacing;
    }

    public void setySpacing(int ySpacing) {
        this.ySpacing = ySpacing;
    }
}