import java.awt.Graphics;
import java.awt.p_w_picpath.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.math.BigDecimal;

import javax.p_w_picpathio.ImageIO;

public class ImageUtils
{

/**
* 对图片进行放大
*
* @param originalImage 原始图片
* @param times 放大倍数
* @return
*/
public static BufferedImage zoomInImage(BufferedImage originalImage, Integer times)
{
int width = originalImage.getWidth() * times;
int height = originalImage.getHeight() * times;
BufferedImage newImage = new BufferedImage(width, height, originalImage.getType());
Graphics g = newImage.getGraphics();
g.drawImage(originalImage, 0, 0, width, height, null);
g.dispose();
return newImage;
}

/**
* 对图片进行放大
*
* @param srcPath 原始图片路径(绝对路径)
* @param newPath 放大后图片路径（绝对路径）
* @param times 放大倍数
* @param format 图片格式
* @return 是否放大成功
*/
public static boolean zoomInImage(String srcPath, String newPath, Integer times, String format)
{
BufferedImage bufferedImage = null;
try
{
File of = new File(srcPath);
if (of.canRead())
{
bufferedImage = ImageIO.read(of);
}
} catch (IOException e)
{
// TODO: 打印日志
return false;
}
if (bufferedImage != null)
{
bufferedImage = zoomInImage(bufferedImage, times);
try
{
// TODO: 这个保存路径需要配置下子好一点
ImageIO.write(bufferedImage, format, new File(newPath)); // 保存修改后的图像
} catch (IOException e)
{
// TODO 打印错误信息
return false;
}
}
return true;
}

/**
* 对图片进行缩小
*
* @param originalImage 原始图片
* @param times 缩小倍数
* @return 缩小后的Image
*/
public static BufferedImage zoomOutImage(BufferedImage originalImage, int timeshieght)
{
int width = originalImage.getWidth() / timeshieght;
int height = originalImage.getHeight() / timeshieght;
BufferedImage newImage = new BufferedImage(width, height, originalImage.getType());
Graphics g = newImage.getGraphics();
g.drawImage(originalImage, 0, 0, width, height, null);
g.dispose();
return newImage;
}

/**
* 对图片进行缩小
*
* @param srcPath 源图片路径（绝对路径）
* @param newPath 新图片路径（绝对路径）
* @param times 缩小倍数
* @param format 图片格式
* @return 保存是否成功
*/
public static boolean zoomOutImage(String srcPath, String newPath, int timeshieght,
String format)
{
BufferedImage bufferedImage = null;
try
{
File of = new File(srcPath);
if (of.canRead())
{
bufferedImage = ImageIO.read(of);
}
} catch (IOException e)
{
// TODO: 打印日志
return false;
}
if (bufferedImage != null)
{
bufferedImage = zoomOutImage(bufferedImage, timeshieght);
try
{