From 9ef168a03b75aeca0c2f7dda9ce87d4014c703a9 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 16 Mar 2018 10:46:23 +0300
Subject: merge common projects
---
.../java/com/juick/server/util/ImageUtils.java | 168 +++++++++++++++++++++
1 file changed, 168 insertions(+)
create mode 100644 juick-common/src/main/java/com/juick/server/util/ImageUtils.java
(limited to 'juick-common/src/main/java/com/juick/server/util/ImageUtils.java')
diff --git a/juick-common/src/main/java/com/juick/server/util/ImageUtils.java b/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
new file mode 100644
index 00000000..94ecf71e
--- /dev/null
+++ b/juick-common/src/main/java/com/juick/server/util/ImageUtils.java
@@ -0,0 +1,168 @@
+
+/*
+ * Copyright (C) 2008-2017, 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 BufferedImage
, same as ImageIO.read()
does.
+ *
+ *
JPEG images with EXIF metadata are rotated according to Orientation tag.
+ *
+ * @param imageFile a File
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 e) {
+ // failed to read metadata.
+ // nothing to do here, return image as is.
+ }
+
+ return image;
+ }
+
+ /**
+ * Move attached image from temp folder to image folder.
+ * Create preview images in corresponding folders.
+ *
+ * @param tempFilename Name of the image file in the temp folder.
+ * @param outputFilename Name that will be used in the image folder.
+ * @param tmpDir Path string for the temp folder.
+ * @param imgDir Path string for the image folder.
+ */
+ public static void saveImageWithPreviews(String tempFilename, String outputFilename, String tmpDir, String imgDir)
+ throws IOException {
+ String ext = FilenameUtils.getExtension(outputFilename);
+
+ Path outputImagePath = Paths.get(imgDir, "p", outputFilename);
+ Files.move(Paths.get(tmpDir, tempFilename), outputImagePath);
+ BufferedImage originalImage = readImageWithOrientation(outputImagePath.toFile());
+
+ int width = originalImage.getWidth();
+ int height = originalImage.getHeight();
+ int maxDimension = (width > height) ? 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());
+ }
+
+ /**
+ * Save new avatar in all required sizes.
+ *
+ * @param tempFilename Name of the image file in the temp folder.
+ * @param uid User id that is used to build image file names.
+ * @param tmpDir Path string for the temp folder.
+ * @param imgDir Path string for the image folder.
+ */
+ public static void saveAvatar(String tempFilename, int uid, String tmpDir, String imgDir)
+ 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 static Integer getImageHeight(File imageFile) throws IOException, ImageReadException {
+ if (imageFile.exists()) {
+ ImageInfo info = Imaging.getImageInfo(imageFile);
+ return info.getHeight();
+ }
+ return 0;
+ }
+ public static Integer getImageWidth(File imageFile) throws IOException, ImageReadException {
+ if (imageFile.exists()) {
+ ImageInfo info = Imaging.getImageInfo(imageFile);
+ return info.getWidth();
+ }
+ return 0;
+ }
+}
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