Package club.zhcs.lina.utils

Class ImageUtils

java.lang.Object

org.nutz.img.Images

club.zhcs.lina.utils.ImageUtils

public class ImageUtils
extends org.nutz.img.Images

Author:

Kerbores(kerbores@riemann.tech)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ImageUtils.Point	坐标点

Field Summary

Fields inherited from class org.nutz.img.Images

CHANNEL_BLUE, CHANNEL_GREEN, CHANNEL_RED, WATERMARK_BOTTOM_CENTER, WATERMARK_BOTTOM_LEFT, WATERMARK_BOTTOM_RIGHT, WATERMARK_CENTER, WATERMARK_CENTER_LEFT, WATERMARK_CENTER_RIGHT, WATERMARK_TOP_CENTER, WATERMARK_TOP_LEFT, WATERMARK_TOP_RIGHT

Constructor Summary

Constructors

Constructor	Description
ImageUtils()

Method Summary

Modifier and Type	Method	Description
static org.nutz.lang.util.NutMap	baiduOcr(String path, String key)
static File	generateImage(String imgStr, File outFile)
static File	generateImage(String imgStr, File outDir, String suffix)	根据base64串生成文件
static File	generatePngImage(String imgStr)	生成png图片
static String	getImageStr(File imgFile)	图片转换成base64串
static File	toFile(BufferedImage bfi)	将 BufferedImage 写入文件
static BufferedImage	zoomAndClip(File src, double scale, int xStart, int yStart, int xEnd, int yEnd)	图片缩放裁剪
static BufferedImage	zoomAndClip(File src, double scale, ImageUtils.Point start, int w, int h)
static BufferedImage	zoomAndClip(File src, double scale, ImageUtils.Point start, ImageUtils.Point end)

Methods inherited from class org.nutz.img.Images

addWatermark, channelImage, clipScale, clipScale, clipScale, clipScale, clipScale, clipScale, createAvatar, createAvatar, createCaptcha, createCaptcha, createText, createText, cutoutByChannel, cutoutByLuminance, cutoutByPixel, encodeBase64, encodeBase64, flipHorizontal, flipHorizontal, flipVertical, flipVertical, grayImage, multiply, read, redraw, rotate, rotate, rotate, scale, twist, write, write, writeAndClose, writeJpeg, zoomScale, zoomScale, zoomScale, zoomScale

Methods inherited from class java.lang.Object

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

Constructor Details

ImageUtils

public ImageUtils()

Method Details

zoomAndClip

public static BufferedImage zoomAndClip(File src,
 double scale,
 int xStart,
 int yStart,
 int xEnd,
 int yEnd)
                                 throws IOException

图片缩放裁剪

Parameters:

src - 源图

scale - 缩放比例

xStart - 起点X坐标

yStart - 起点Y坐标

xEnd - 终点X坐标

yEnd - 终点Y坐标

Returns:

目标图片

Throws:

IOException - 当读写文件失败时抛出

zoomAndClip

public static BufferedImage zoomAndClip(File src,
 double scale,
 ImageUtils.Point start,
 ImageUtils.Point end)
                                 throws IOException

Throws:

IOException

toFile

public static File toFile(BufferedImage bfi)

将 BufferedImage 写入文件

Parameters:

bfi - BufferedImage图像

Returns:

写入的文件对象

zoomAndClip

public static BufferedImage zoomAndClip(File src,
 double scale,
 ImageUtils.Point start,
 int w,
 int h)
                                 throws IOException

Throws:

IOException

generateImage

public static File generateImage(String imgStr,
 File outFile)

Parameters:

imgStr - 图片数据

outFile - 输出文件

Returns:

文件

generateImage

public static File generateImage(String imgStr,
 File outDir,
 String suffix)

根据base64串生成文件

Parameters:

imgStr - base64串

outDir - 输出目录

suffix - 扩展名

Returns:

文件

generatePngImage

public static File generatePngImage(String imgStr)

生成png图片

Parameters:

imgStr - base64 image信息串

Returns:

图片文件

getImageStr

public static String getImageStr(File imgFile)

图片转换成base64串

Parameters:

imgFile - 图片文件

Returns:

base64 图片信息串

baiduOcr

public static org.nutz.lang.util.NutMap baiduOcr(String path,
 String key)