Imaging (previously called Sanselan)读取图像信息

Imaging (previously called Sanselan)

Sanselan

package com.gujin.sanselan;

import java.io.File;

import org.apache.sanselan.ImageInfo;
import org.apache.sanselan.Sanselan;
import org.junit.Test;

public class SanselanTest
{
@Test
public void test() throws Exception
{
File imageFile = new File("file/bg.png");
// 判断文件是否存在
System.out.println(Sanselan.hasImageFileExtension(imageFile));
System.out.println("=======================================");
// 获得图片结构描述
System.out.println(Sanselan.dumpImageFile(imageFile));
System.out.println("=======================================");
// 获得图片信息
ImageInfo imageInfo = Sanselan.getImageInfo(imageFile);
System.out.println(imageInfo.getColorTypeDescription());
System.out.println(imageInfo.getFormatName());
System.out.println(imageInfo.getMimeType());
System.out.println("=======================================");
// 获得图片尺寸
System.out.println(Sanselan.getImageSize(imageFile));
System.out.println("=======================================");
System.out.println(Sanselan.guessFormat(imageFile));
}
}

true
=======================================
Format Details: Png
Bits Per Pixel: 32
Comments: 0
Format: PNG
Format Name: PNG Portable Network Graphics
Compression Algorithm: PNG Filter
Height: 285
MimeType: image/png
Number Of Images: 1
Physical Height Dpi: -1
Physical Height Inch: -1.0
Physical Width Dpi: -1
Physical Width Inch: -1.0
Width: 286
Is Progressive: false
Is Transparent: false
Color Type: RGB
Uses Palette: false
Color: RGB w/ alpha
chunks: 13
0: : 'IHDR'
1: : 'IDAT'
2: : 'IDAT'
3: : 'IDAT'
4: : 'IDAT'
5: : 'IDAT'
6: : 'IDAT'
7: : 'IDAT'
8: : 'IDAT'
9: : 'IDAT'
10: : 'IDAT'
11: : 'IDAT'
12: : 'IEND'

=======================================
RGB
PNG Portable Network Graphics
image/png
=======================================
java.awt.Dimension[width=286,height=285]
=======================================
{PNG: PNG}