circle.java

java语言实现的类似windows自带画图工具的绘图工具

/*
 * 创建日期 2005-11-5
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package src;

/**
 * @author flash
 * 
 * TODO 要更改此生成的类型注释的模板，请转至 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
import java.awt.*;
import java.awt.event.*;

public class Circle implements Picture {
	Stroke line_stroke = null;
	
	Color line_color = null;
	
	Color fill_color = null;
	
	int startx = 0;
	
	int starty = 0;
	
	int endx = 0;
	
	int endy = 0;
	
	int width = 0;
	
	int height = 0;
	
	int oval = 0;
	
	public Circle(Stroke line_stroke, Color line_color, Color fill_color,
			int startx, int starty, int oval) {
		this.line_stroke = line_stroke;
		this.line_color = line_color;
		this.fill_color = fill_color;
		this.startx = startx;
		this.starty = starty;
		endx = startx;
		endy = starty;
		this.oval = oval;
		
	}
	
	public void dataCollect(MouseEvent e) {
		
		endx = e.getX();
		endy = e.getY();
		/*
		 * }else{ int w = startx - endx; int h = starty - endy; int qq
		 * =Math.min(Math.abs(w),Math.abs(h)); if (qq == 0) { endx = startx;
		 * endy = starty; } else { endx = startx + qq* (w / Math.abs(w)); endy =
		 * starty + qq * (h / Math.abs(h)); } }
		 */
		
	}
	
	public void drawSelf(Graphics2D g) {
		g.setColor(line_color);
		g.setStroke(line_stroke);
		width = Math.abs(endx - startx);
		height = Math.abs(endx - starty);
		if (oval == 0) {
			if (width != 0 && height != 0) {
				g.drawOval(startx > endx ? endx : startx, starty > endy ? endy
						: starty, width, height);
				g.setColor(fill_color);
				g.fillOval(startx > endx ? endx : startx, starty > endy ? endy
						: starty, width, height);
			}
		} else {
			int w = startx - endx;
			int h = starty - endy;
			int qq = Math.min(Math.abs(w), Math.abs(h));
			
			g.drawOval(startx > endx ? endx : startx, starty > endy ? endy
					: starty, qq, qq);
			g.setColor(fill_color);
			g.fillOval(startx > endx ? endx : startx, starty > endy ? endy
					: starty, qq, qq);
			
		}
		
	}
	
	public void choosed() {
		//return null;
	}
}