intarraydotanimationview.java

用JAVA实现排序等简单算法的演示

package graphicAnimation.intContainerAnimationView;

import graphicAnimation.intAnimationView.*;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;

public class IntArrayDotAnimationView extends IntArrayAnimationView {
	protected int totalWidth = 500;					// 每个元素的宽度
	protected int totalHeight = 500;					// 各元素之间的间隔

	public IntArrayDotAnimationView() { }
	public IntArrayDotAnimationView(Point pos, Color color, int totalWidth, int totalHeight) {
		super(pos, color);
		this.totalWidth = totalWidth;
		this.totalHeight = totalHeight;
	}
	
	/**
	 * 以最简单的整数视图创建数组元素的视图
	 * @param data 待创建视图的数组
	 */
	public void createElementDotAnimationView(int[] data, int maxValue) { 
		elements = new IntDotAnimationView[data.length];
		int yRatio = 1;
		int xRatio = 1;
		int radius = 1;
		if (2 * maxValue < totalHeight) yRatio = totalHeight/maxValue;
		if (2 * data.length < totalWidth) xRatio = totalWidth/data.length;
		if (xRatio > 10) radius = xRatio / 4;

		for (int i = 0; i < data.length; i++) {
			elements[i] = new IntDotAnimationView(data[i], new Point(position.x+i*xRatio, position.y-(data[i]*yRatio)), color, radius);
		}
	}
	
	 
	/**
	 * 在屏幕上画出该整数数组
	 * @param gc 所使用的图形上下文
	 */
	
	public void paint(Graphics gc) {
		if (!visible) return;
		if (elements == null) return;
		if (elements.length <= 0) return;
		
		int index = 0;
		// 调用元素视图的 paint() 方法画出代表每个元素的矩形框，并在基线下面画出该相应的整数值
		for (index = 0; index < elements.length; index++) elements[index].paint(gc);
	}

}