Thumbnailator用法-SpringBoot整合谷歌开源图片处理框架

<dependency>
 <groupId>net.coobird</groupId>
 <artifactId>thumbnailator</artifactId>
 <version>0.4.8</version>
</dependency>

import net.coobird.thumbnailator.Thumbnailator;
import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.geometry.Position;
import net.coobird.thumbnailator.geometry.Positions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

import javax.imageio.ImageIO;
import java.awt.*;
import java.io.File;
import java.io.IOException;

@SpringBootTest
class PictestApplicationTests {


    private String originFile="/Users/zhangxu/Desktop/origin.jpeg";

    private String toFile = "/Users/zhangxu/Desktop/new.jpg";

    private String waterImg="/Users/zhangxu/Desktop/可爱熊二.png";
    /**
     * 改变尺寸大小
     * @throws IOException
     */
    @Test
    public void changeSizeTest() throws IOException {
        Thumbnails.of(originFile).size(200,100).toFile(toFile);
    }

    /**
     * 缩放
     * @throws IOException
     */
    @Test
    public void scaleTest() throws IOException {
        Thumbnails.of(originFile).scale(0.2).toFile(toFile);
    }


    /**
     * 旋转
     * @throws IOException
     */
    @Test
    public void rotateTest() throws IOException {
        Thumbnails.of(originFile).scale(1).rotate(200).toFile(toFile);
    }


    /**
     * 裁剪   居中裁剪 400*200
     * @throws IOException
     */
    @Test
    public void regionTest() throws IOException {
        Thumbnails.of(originFile).scale(1).sourceRegion(Positions.CENTER,400,200).toFile(toFile);
    }


        /**
         * 加水印
         */

    @Test
    public void wasterMaskTest() throws IOException {
        Thumbnails.of(originFile).scale(1).watermark(Positions.TOP_RIGHT, ImageIO.read(new File(waterImg)),0.6f).toFile(toFile);
    }




}