uihelper.java

用JAVA写的一个拍照程序

package org.p3p.net.common;

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.Window;

import javax.swing.ImageIcon;

public class UIHelper {
	/**
	 * 取得图像
	 * 
	 * @param path
	 * @return
	 */
	public static Image getImage(String path) {
		return Toolkit.getDefaultToolkit().getImage(
				UIHelper.class.getResource(path));
	}

	/**
	 * 取得图标
	 * 
	 * @param path
	 * @return
	 */
	public static ImageIcon getImageIcon(String path) {
		return new ImageIcon(UIHelper.class.getResource(path));
	}

	/**
	 * 窗口居中
	 * 
	 * @param frame
	 */
	public static void centerWithScreen(Frame frame) {
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize = frame.getSize();
		if (frameSize.height > screenSize.height) {
			frameSize.height = screenSize.height;
		}
		if (frameSize.width > screenSize.width) {
			frameSize.width = screenSize.width;
		}
		frame.setLocation((screenSize.width - frameSize.width) / 2,
				(screenSize.height - frameSize.height) / 2);

	}

	/**
	 * 窗口居中
	 * 
	 * @param frame
	 */
	public static void centerWithScreen(Window frame) {
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize = frame.getSize();
		if (frameSize.height > screenSize.height) {
			frameSize.height = screenSize.height;
		}
		if (frameSize.width > screenSize.width) {
			frameSize.width = screenSize.width;
		}
		frame.setLocation((screenSize.width - frameSize.width) / 2,
				(screenSize.height - frameSize.height) / 2);

	}

}