cn.acyou.leo.framework.media.util

类 ImageUtil

java.lang.Object

cn.acyou.leo.framework.media.util.ImageUtil

public class ImageUtil
extends Object

版本:

[1.0.0, 2022/4/19 17:54]

作者:

youfang

构造器概要

构造器

构造器和说明
ImageUtil()

方法概要

限定符和类型	方法和说明
static void	compressImage(File sourceFile, File targetPath) 压缩图像
static void	compressImage(InputStream is, OutputStream os) 压缩图像 BufferedImage read = ImageIO.read(new URL("http://qiniu.acyou.cn/images/13.jpg")); BufferedImage bi = new BufferedImage(read.getWidth(), read.getHeight(), BufferedImage.TYPE_INT_RGB); Graphics g = bi.getGraphics(); g.drawImage(read, 0, 0, read.getWidth(), read.getHeight(), Color.LIGHT_GRAY, null); g.dispose(); FileOutputStream os = new FileOutputStream("D:\\temp\\image\\123456.jpg"); ImageIO.write(bi, "jpg", os); os.close();
static void	compressImage(URL url, File targetPath) 压缩图像
static ImageInfo	getImageInfo(String source) 得到图片信息

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ImageUtil

public ImageUtil()

方法详细资料

compressImage

public static void compressImage(URL url,
                                 File targetPath)
                          throws Exception

压缩图像

参数:

url - url

targetPath - 目标路径

抛出:

Exception - 异常

compressImage

public static void compressImage(File sourceFile,
                                 File targetPath)
                          throws Exception

压缩图像

参数:

sourceFile - 源文件

targetPath - 目标路径

抛出:

Exception - 异常

compressImage

public static void compressImage(InputStream is,
                                 OutputStream os)
                          throws Exception

压缩图像

 BufferedImage read = ImageIO.read(new URL("http://qiniu.acyou.cn/images/13.jpg"));
 BufferedImage bi = new BufferedImage(read.getWidth(), read.getHeight(), BufferedImage.TYPE_INT_RGB);
 Graphics g = bi.getGraphics();
 g.drawImage(read, 0, 0, read.getWidth(), read.getHeight(), Color.LIGHT_GRAY, null);
 g.dispose();
 FileOutputStream os = new FileOutputStream("D:\\temp\\image\\123456.jpg");
 ImageIO.write(bi, "jpg", os);
 os.close();
 

参数:

is - 输入流

os - 输出流

抛出:

Exception - 异常

getImageInfo

public static ImageInfo getImageInfo(String source)
                              throws Exception

得到图片信息

参数:

source - 源

返回:

ImageInfo

抛出:

Exception - 异常