com.aboutdata.service.bean.ImageGraphicsServiceImpl.java Source code

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Here is the source code for com.aboutdata.service.bean.ImageGraphicsServiceImpl.java

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package com.aboutdata.service.bean;

import com.aboutdata.commons.application.ApplicationBean;
import com.aboutdata.domain.Photos;
import com.aboutdata.service.ImageGraphicsService;
import com.aboutdata.service.PhotosService;
import com.aboutdata.service.StorageService;
import com.aboutdata.utils.EasyImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import javax.annotation.Resource;
import org.apache.commons.io.FileUtils;
import org.im4java.core.ConvertCmd;
import org.im4java.core.IM4JavaException;
import org.im4java.core.IMOperation;
import org.im4java.process.StandardStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

/**
 *
 * @author Administrator
 */
@Service("imageGraphicsServiceImpl")
public class ImageGraphicsServiceImpl implements ImageGraphicsService {

    Logger logger = LoggerFactory.getLogger(ImageGraphicsServiceImpl.class);

    @Resource
    private PhotosService photosService;

    @Resource
    private StorageService storageService;

    @Resource
    private ApplicationBean appBean;
    //IM4JAVA??ImageMagickGraphicsMagicktrueGMfalse?IM 
    private static ConvertCmd cmd = new ConvertCmd(true);

    @Override
    @Deprecated
    public void build(Photos photos, MultipartFile multipartFile) {
        if (multipartFile != null && !multipartFile.isEmpty()) {
            try {
                File tempFile = new File(
                        System.getProperty("java.io.tmpdir") + "/upload_" + multipartFile.getOriginalFilename());
                if (!tempFile.getParentFile().exists()) {
                    tempFile.getParentFile().mkdirs();
                }
                multipartFile.transferTo(tempFile);
                //addTask(sourcePath, largePath, mediumPath, thumbnailPath, tempFile, multipartFile.getContentType());
                String path = storageService.upload(tempFile);

                //?? wallhaven?
                //Random r1 = new Random();
                //int num = r1.nextInt(19) + 1;
                //String thumbnail = "http://themes.mediacreed.com/html/synergy/assets/media/galleries/image_gallery/thumbs/thumb" + num + ".jpg";
                //String medium = "http://themes.mediacreed.com/html/synergy/assets/media/galleries/image_gallery/images/image" + num + ".jpg";
                /**
                 * EasyImage??
                 */
                EasyImage image = new EasyImage(tempFile);
                float width = image.getWidth();
                //??
                int resize = (int) ((200 / width) * 100);
                image.resize(resize);
                //?
                image.saveAs("/tmp/" + tempFile.getName());
                File tempThumbnail = new File("/tmp/" + tempFile.getName());
                String thumbnail = storageService.upload(tempThumbnail);
                //?
                tempThumbnail.delete();

            } catch (IOException | IllegalStateException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * ?
     *
     * @param sourceImage
     * @return
     */
    @Override
    public File thumbnail(File sourceImage) {
        String thumbnail = "/tmp/thumbnail_" + sourceImage.getName();
        try {
            IMOperation op = new IMOperation();
            op.addImage(sourceImage.getAbsolutePath());
            //op.resize(300, 200);
            //? 
            op.resize(300, 200, '^').gravity("center").extent(300, 200);
            op.quality(85d);
            op.addImage(thumbnail);

            String osName = System.getProperty("os.name").toLowerCase();
            if (osName.contains("win")) {
                //C:\Program Files\GraphicsMagick-1.3.23-Q16
                //linux???  
                cmd.setSearchPath("C:\\Program Files\\GraphicsMagick-1.3.23-Q8");
            }
            cmd.setErrorConsumer(StandardStream.STDERR);
            cmd.run(op);
        } catch (IOException | InterruptedException | IM4JavaException ex) {
            ex.printStackTrace();
        }
        return new File(thumbnail);
    }

    /**
     * *
     * ????
     *
     * @param memberID
     * @param multipartFile
     */
    @Override
    public void buildAvatar(String memberID, MultipartFile multipartFile) {
        try {
            //image/png  image/gif
            String type = multipartFile.getContentType().split("/")[1];
            //ID.png ID-200.png 200
            File destFile = new File("/var/avatars/" + memberID + "." + type);
            multipartFile.transferTo(destFile);

            EasyImage image = new EasyImage(destFile);
            float width = image.getWidth();
            //?? 200
            int resize = (int) ((200 / width) * 100);
            image.resize(resize);
            //?/var/avatars/
            image.saveAs("/var/avatars/" + memberID + "-200" + "." + type);

        } catch (IOException | IllegalStateException ex) {
            logger.error("update user ({}) avatar failure,Image File name is ({}) ", memberID,
                    multipartFile.getOriginalFilename());
            logger.error("{}", ex);
        }
    }

    @Override
    public byte[] scale(byte[] input, int height, int width) {
        File inputFile = null;
        File outputFile = null;
        try {
            inputFile = File.createTempFile("input", ".tmp");
            outputFile = File.createTempFile("output", ".tmp");

            FileUtils.writeByteArrayToFile(inputFile, input);

            IMOperation op = new IMOperation();
            op.addImage(inputFile.getAbsolutePath());
            //op.size(width, height); ?? ?
            op.resize(width, height);
            op.quality(95d);
            op.addImage(outputFile.getAbsolutePath());
            logger.debug("Command will be {}", op);
            cmd.run(op);
            return FileUtils.readFileToByteArray(outputFile);
        } catch (IOException | InterruptedException | IM4JavaException ex) {
            ex.printStackTrace();
        } finally {
            inputFile.delete();
            outputFile.delete();
        }
        return null;
    }
}