package zk.test;
import java.awt.p_w_picpath.BufferedImage;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream;import javax.p_w_picpathio.ImageIO;import net.coobird.thumbnailator.Thumbnails;import net.coobird.thumbnailator.geometry.Positions;public class ThumbnailatorTest { private static String str = "D:/zimg/a.png"; private static String despath = "D:/zimg/desImg"; private static File file = null; static{ file = new File(despath); if(!file.exists()){ file.mkdirs(); } } /** * * @param args * @throws IOException */ public static void main(String[] args) throws IOException { ThumbnailatorTest thumbnailatorTest = new ThumbnailatorTest(); thumbnailatorTest.test1(); thumbnailatorTest.test2(); thumbnailatorTest.test3(); thumbnailatorTest.test4(); thumbnailatorTest.test5(); thumbnailatorTest.test6(); thumbnailatorTest.test7(); thumbnailatorTest.test8(); thumbnailatorTest.test9(); } /** * 指定大小进行缩放 * * @throws IOException */ private void test1() throws IOException { /* * size(width,height) 若图片横比200小,高比300小,不变 * 若图片横比200小,高比300大,高缩小到300,图片比例不变 若图片横比200大,高比300小,横缩小到200,图片比例不变 * 若图片横比200大,高比300大,图片按比例缩小,横为200或高为300 */ Thumbnails.of(str).size(200, 300).toFile( despath+"/a.png"); Thumbnails.of(str).size(2560, 2048).toFile( despath+"/a1.png"); } /** * 按照比例进行缩放 * * @throws IOException */ private void test2() throws IOException { /** * scale(比例) */ Thumbnails.of(str).scale(0.25f) .toFile(despath+"/b.png"); Thumbnails.of(str).scale(1.10f).toFile( despath+"/b1.png"); } /** * 不按照比例,指定大小进行缩放 * * @throws IOException */ private void test3() throws IOException { /** * keepAspectRatio(false) 默认是按照比例缩放的 */ Thumbnails.of(str).size(120, 120).keepAspectRatio(false) .toFile(despath+"/c.png"); } /** * 旋转 * * @throws IOException */ private void test4() throws IOException { /** * rotate(角度),正数:顺时针 负数:逆时针 */ Thumbnails.of(str).size(1280, 1024).rotate(90).toFile( despath+"/d.png"); Thumbnails.of(str).size(1280, 1024).rotate(-90).toFile( despath+"/d1.png"); } /** * 水印 * * @throws IOException */ private void test5() throws IOException { /** * watermark(位置,水印图,透明度) */ Thumbnails.of(str).size(1280, 1024).watermark( Positions.BOTTOM_RIGHT, ImageIO.read(new File("D:/zimg/c.png")), 0.5f) .outputQuality(0.8f).toFile( despath+"/e.png"); Thumbnails.of(str).size(1280, 1024).watermark( Positions.CENTER, ImageIO.read(new File("D:/zimg/c.png")), 0.5f) .outputQuality(0.8f).toFile(despath+"/e1.png"); } /** * 裁剪 * * @throws IOException */ private void test6() throws IOException { /** * 图片中心400*400的区域 */ Thumbnails.of(str).sourceRegion(Positions.CENTER, 400, 400).size(200, 200).keepAspectRatio(false).toFile( despath+"/f.png"); /** * 图片右下400*400的区域 */ Thumbnails.of(str).sourceRegion(Positions.BOTTOM_RIGHT, 400, 400).size(200, 200).keepAspectRatio(false).toFile( despath+"/f1.png"); /** * 指定坐标 */ Thumbnails.of(str).sourceRegion(600, 500, 400, 400).size( 200, 200).keepAspectRatio(false).toFile( despath+"/f2.png"); } /** * 转化图像格式 * * @throws IOException */ private void test7() throws IOException { /** * outputFormat(图像格式) */ Thumbnails.of(str).size(1280, 1024).outputFormat("jpeg") .toFile(despath+"/g.jpeg"); Thumbnails.of(str).size(1280, 1024).outputFormat("gif") .toFile(despath+"/g1.gif"); Thumbnails.of(str).size(1280, 1024).outputFormat("jpg") .toFile(despath+"/g2.jpg"); Thumbnails.of(str).size(1280, 1024).outputFormat("bmp") .toFile(despath+"/g3.bmp"); } /** * 输出到OutputStream * * @throws IOException */ private void test8() throws IOException { /** * toOutputStream(流对象) */ OutputStream os = new FileOutputStream( despath+"/h.gif"); Thumbnails.of(str).size(1280, 1024).toOutputStream(os); } /** * 输出到BufferedImage * * @throws IOException */ private void test9() throws IOException { /** * asBufferedImage() 返回BufferedImage */ BufferedImage thumbnail = Thumbnails.of(str).size(1280, 1024).asBufferedImage(); ImageIO.write(thumbnail, "jpg", new File( despath+"/i.gif")); }}