com.fr.plugin.chart.vanchart.imgevent

类 ImageUtils

java.lang.Object

com.fr.plugin.chart.vanchart.imgevent.ImageUtils

public class ImageUtils
extends java.lang.Object

Created by hufan on 2016/9/13.

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	SERVER_RENDER_FAULT

构造器概要

构造器

构造器和说明
ImageUtils()

方法概要

方法

限定符和类型	方法和说明
static java.awt.image.BufferedImage	base64Decoder(java.lang.String base64) 已过时。
static java.awt.image.BufferedImage	cutImage(java.io.InputStream input, java.lang.String type, int x, int y, int width, int height)
static java.lang.String	generateDefaultImage(java.lang.String response)
static java.awt.image.BufferedImage	generateImage(Base64Image base64Image)
static java.awt.image.BufferedImage	generateImage(java.lang.String imageStr)
static java.awt.image.BufferedImage	generateSlotImage(java.lang.String imageStr) 用base64生成图片
static java.io.InputStream	getImageStream(java.awt.image.BufferedImage bi, java.lang.String imageType)
static java.awt.image.BufferedImage	merge(java.util.Map<java.awt.geom.Point2D,java.awt.image.BufferedImage> point2DImageMap, java.lang.String imageType) 图片拼接
static java.awt.image.BufferedImage	reduceImage(java.awt.image.BufferedImage srcImg, int newWidth, int newHeight)
static java.awt.image.BufferedImage	resizeImage(java.awt.image.BufferedImage image, int newWidth, int newHeight) 调整为返回指定大小的图片

从类继承的方法 java.lang.Object

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

字段详细资料

SERVER_RENDER_FAULT

public static final java.lang.String SERVER_RENDER_FAULT

另请参阅:

常量字段值

构造器详细资料

ImageUtils

public ImageUtils()

方法详细资料

generateDefaultImage

public static java.lang.String generateDefaultImage(java.lang.String response)

generateImage

public static java.awt.image.BufferedImage generateImage(Base64Image base64Image)

resizeImage

public static java.awt.image.BufferedImage resizeImage(java.awt.image.BufferedImage image,
                                       int newWidth,
                                       int newHeight)

调整为返回指定大小的图片

参数:

newWidth -

newHeight -

返回:

generateImage

public static java.awt.image.BufferedImage generateImage(java.lang.String imageStr)

generateSlotImage

public static java.awt.image.BufferedImage generateSlotImage(java.lang.String imageStr)

用base64生成图片

参数:

imageStr -

返回:

base64Decoder

@Deprecated
public static java.awt.image.BufferedImage base64Decoder(java.lang.String base64)

已过时。

getImageStream

public static java.io.InputStream getImageStream(java.awt.image.BufferedImage bi,
                                 java.lang.String imageType)

cutImage

public static java.awt.image.BufferedImage cutImage(java.io.InputStream input,
                                    java.lang.String type,
                                    int x,
                                    int y,
                                    int width,
                                    int height)
                                             throws java.io.IOException

抛出:

java.io.IOException

merge

public static java.awt.image.BufferedImage merge(java.util.Map<java.awt.geom.Point2D,java.awt.image.BufferedImage> point2DImageMap,
                                 java.lang.String imageType)

图片拼接

参数:

point2DImageMap - 要拼接的image

imageType - 图片类型

返回:

reduceImage

public static java.awt.image.BufferedImage reduceImage(java.awt.image.BufferedImage srcImg,
                                       int newWidth,
                                       int newHeight)