com.geoway.adf.dms.common.util

Class ImageUtil

java.lang.Object

com.geoway.adf.dms.common.util.ImageUtil

public class ImageUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
ImageUtil()

Method Summary

Modifier and Type	Method and Description
static BufferedImage	combineImage(BufferedImage updateImage, BufferedImage sourceImage) 合并两种图片，以更新图片为主，如果更新图片的某一像素alpha值为0，则使用源图片的像素值
static String	getImageType(byte[] imageBytes)
static boolean	hasTransparentBounds(BufferedImage source) 判断图片是否有透明区域
static String	toBase64DataUri(byte[] imageBytes, String imageType)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageUtil

public ImageUtil()

Method Detail

toBase64DataUri

public static String toBase64DataUri(byte[] imageBytes,
                                     String imageType)

getImageType

public static String getImageType(byte[] imageBytes)

hasTransparentBounds

public static boolean hasTransparentBounds(BufferedImage source)

判断图片是否有透明区域

Parameters:

source - 图片

Returns:

是否透明

combineImage

public static BufferedImage combineImage(BufferedImage updateImage,
                                         BufferedImage sourceImage)

合并两种图片，以更新图片为主，如果更新图片的某一像素alpha值为0，则使用源图片的像素值

Parameters:

updateImage - 更新图片

sourceImage - 源图片

Returns:

合并图片