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Diffstat (limited to 'src/main/java/com/juick/server/util/ImageUtils.java')
| -rw-r--r-- | src/main/java/com/juick/server/util/ImageUtils.java | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/main/java/com/juick/server/util/ImageUtils.java b/src/main/java/com/juick/server/util/ImageUtils.java deleted file mode 100644 index e06339ba..00000000 --- a/src/main/java/com/juick/server/util/ImageUtils.java +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright (C) 2008-2019, Juick - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -package com.juick.server.util; - -import com.juick.model.Attachment; -import org.apache.commons.imaging.ImageReadException; -import org.apache.commons.imaging.Imaging; -import org.apache.commons.imaging.common.ImageMetadata; -import org.apache.commons.imaging.formats.jpeg.JpegImageMetadata; -import org.apache.commons.imaging.formats.tiff.TiffField; -import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants; -import org.apache.commons.io.FileUtils; -import org.apache.commons.io.FilenameUtils; -import org.imgscalr.Scalr; -import org.imgscalr.Scalr.Rotation; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import javax.imageio.ImageIO; -import javax.imageio.ImageReader; -import javax.imageio.stream.ImageInputStream; -import java.awt.image.BufferedImage; -import java.io.File; -import java.io.IOException; -import java.nio.file.Files; -import java.nio.file.Path; -import java.nio.file.Paths; -import java.nio.file.StandardCopyOption; -import java.util.Iterator; - -public class ImageUtils { - private static final Logger logger = LoggerFactory.getLogger(ImageUtils.class); - - private String imgDir; - private String tmpDir; - - public ImageUtils(String imgDir, String tmpDir) { - this.imgDir = imgDir; - this.tmpDir = tmpDir; - } -/** - * Returns <code>BufferedImage</code>, same as <code>ImageIO.read()</code> does. - * - * <p>JPEG images with EXIF metadata are rotated according to Orientation tag. - * - * @param imageFile a <code>File</code> to read from. - */ - private static BufferedImage readImageWithOrientation(File imageFile) - throws IOException { - - BufferedImage image = ImageIO.read(imageFile); - if (!FilenameUtils.getExtension(imageFile.getName()).equals("jpg")) { - return image; - } - - try { - ImageMetadata metadata = Imaging.getMetadata(imageFile); - - if (metadata instanceof JpegImageMetadata) { - JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata; - TiffField orientationField = jpegMetadata.findEXIFValue(TiffTagConstants.TIFF_TAG_ORIENTATION); - - if (orientationField != null) { - int orientation = orientationField.getIntValue(); - switch (orientation) { - case TiffTagConstants.ORIENTATION_VALUE_ROTATE_90_CW: - image = Scalr.rotate(image, Rotation.CW_90); - break; - case TiffTagConstants.ORIENTATION_VALUE_ROTATE_180: - image = Scalr.rotate(image, Rotation.CW_180); - break; - case TiffTagConstants.ORIENTATION_VALUE_ROTATE_270_CW: - image = Scalr.rotate(image, Rotation.CW_270); - break; - case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL: - image = Scalr.rotate(image, Rotation.FLIP_HORZ); - break; - case TiffTagConstants.ORIENTATION_VALUE_MIRROR_VERTICAL: - image = Scalr.rotate(image, Rotation.FLIP_VERT); - break; - case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_90_CW: - image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_90); - break; - case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_270_CW: - image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_270); - break; - case TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL: - default: - // do nothing - break; - } - } - } - } catch (ImageReadException | IOException e) { - // failed to read metadata. - // nothing to do here, return image as is. - } - - return image; - } - - public void saveImageWithPreviews(String tempFilename, String outputFilename) - throws IOException { - String ext = FilenameUtils.getExtension(outputFilename); - - Path outputImagePath = Paths.get(imgDir, "p", outputFilename); - // this throws strange exceptions - // Files.move(Paths.get(tmpDir, tempFilename), outputImagePath); - FileUtils.moveFile(Paths.get(tmpDir, tempFilename).toFile(), outputImagePath.toFile()); - BufferedImage originalImage = readImageWithOrientation(outputImagePath.toFile()); - - int width = originalImage.getWidth(); - int height = originalImage.getHeight(); - int maxDimension = Math.max(width, height); - BufferedImage image1024 = (maxDimension > 1024) ? Scalr.resize(originalImage, 1024) : originalImage; - BufferedImage image0512 = (maxDimension > 512) ? Scalr.resize(originalImage, 512) : originalImage; - BufferedImage image0160 = (maxDimension > 160) ? Scalr.resize(originalImage, 160) : originalImage; - ImageIO.write(image1024, ext, Paths.get(imgDir, "photos-1024", outputFilename).toFile()); - ImageIO.write(image0512, ext, Paths.get(imgDir, "photos-512", outputFilename).toFile()); - ImageIO.write(image0160, ext, Paths.get(imgDir, "ps", outputFilename).toFile()); - } - - public void saveAvatar(String tempFilename, int uid) - throws IOException { - String ext = FilenameUtils.getExtension(tempFilename); - String originalName = String.format("%s.%s", uid, ext); - Path originalPath = Paths.get(imgDir, "ao", originalName); - Files.move(Paths.get(tmpDir, tempFilename), originalPath, StandardCopyOption.REPLACE_EXISTING); - BufferedImage originalImage = ImageIO.read(originalPath.toFile()); - - String targetExt = "png"; - String targetName = String.format("%s.%s", uid, targetExt); - ImageIO.write(Scalr.resize(originalImage, 96), targetExt, Paths.get(imgDir, "a", targetName).toFile()); - ImageIO.write(Scalr.resize(originalImage, 32), targetExt, Paths.get(imgDir, "as", targetName).toFile()); - } - public Attachment getAttachment(File imgFile) throws IOException { - Attachment attachment = new Attachment(); - try (ImageInputStream stream = ImageIO.createImageInputStream(imgFile)) { - Iterator<ImageReader> iter = ImageIO.getImageReaders(stream); - while (iter.hasNext()) { - ImageReader reader = iter.next(); - try { - reader.setInput(stream); - attachment.setWidth(reader.getWidth(reader.getMinIndex())); - attachment.setHeight(reader.getHeight(reader.getMinIndex())); - return attachment; - } catch (Exception e) { - logger.debug("Error reading {}, trying next reader", imgFile.getAbsolutePath()); - } finally { - reader.dispose(); - } - } - } - - logger.warn("Not a known image file {}", imgFile.getAbsolutePath()); - return attachment; - } -}
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