cloud.tianai.captcha.generator.common.util

类 ImgWriter

java.lang.Object

cloud.tianai.captcha.generator.common.util.ImgWriter

public class ImgWriter
extends Object

构造器概要

构造器

构造器和说明
ImgWriter()

方法概要

限定符和类型	方法和说明
static ImageWriter	getWriter(Image img, String formatName) 获取 ImageWriter
static RenderedImage	toRenderedImage(Image img)
static ImageOutputStream	transformImageOutputStream(OutputStream out) 将 OutputStream 转换为 ImageOutputStream
static boolean	write(Image image, ImageWriter writer, ImageOutputStream output, float quality) 输出
static boolean	write(Image image, String imageType, OutputStream destImageStream, float quality) 输出

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

ImgWriter

public ImgWriter()

方法详细资料

write

public static boolean write(Image image,
                            String imageType,
                            OutputStream destImageStream,
                            float quality)

输出

参数:

image - image

imageType - imageType

destImageStream - destImageStream

quality - quality 0~1

返回:

write

public static boolean write(Image image,
                            ImageWriter writer,
                            ImageOutputStream output,
                            float quality)

输出

参数:

image - image

writer - writer

output - output

quality - quality

返回:

boolean

toRenderedImage

public static RenderedImage toRenderedImage(Image img)

getWriter

public static ImageWriter getWriter(Image img,
                                    String formatName)

获取 ImageWriter

参数:

img - img

formatName - formatName

返回:

ImageWriter

transformImageOutputStream

public static ImageOutputStream transformImageOutputStream(OutputStream out)
                                                    throws RuntimeException

将 OutputStream 转换为 ImageOutputStream

参数:

out - out

返回:

ImageOutputStream

抛出:

RuntimeException