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Code Issues Releases Wiki Activity

Intermediate thumbnail size more web-friendly

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This commit is contained in:
jendib
2013-08-18 01:26:34 +02:00
parent 6b5c1b2b51
commit dab6f4b9d1
7 changed files with 71 additions and 61 deletions
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12
docs-core/src/main/java/com/sismics/docs/core/listener/async/FileDeletedAsyncListener.java
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@@ -36,15 +36,19 @@ public class FileDeletedAsyncListener {
// Delete the file from storage
File file = fileDeletedAsyncEvent.getFile();
java.io.File thumbnailFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_thumb").toFile();
java.io.File storedFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId()).toFile();
java.io.File webFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_web").toFile();
java.io.File thumbnailFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_thumb").toFile();
if (thumbnailFile.exists()) {
thumbnailFile.delete();
}
if (storedFile.exists()) {
storedFile.delete();
}
if (webFile.exists()) {
webFile.delete();
}
if (thumbnailFile.exists()) {
thumbnailFile.delete();
}
// Update Lucene index
LuceneDao luceneDao = new LuceneDao();

30
docs-core/src/main/java/com/sismics/docs/core/util/FileUtil.java
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@@ -1,9 +1,10 @@
package com.sismics.docs.core.util;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import javax.imageio.ImageIO;
@@ -55,8 +56,7 @@ public class FileUtil {
}
// Upscale and grayscale the image
BufferedImage resizedImage = Scalr.resize(image, Method.AUTOMATIC, Mode.AUTOMATIC, 3500,
new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null));
BufferedImage resizedImage = Scalr.resize(image, Method.AUTOMATIC, Mode.AUTOMATIC, 3500, Scalr.OP_ANTIALIAS, Scalr.OP_GRAYSCALE);
image.flush();
image = resizedImage;
@@ -71,4 +71,26 @@ public class FileUtil {
return content;
}
/**
* Save a file on the storage filesystem.
*
* @param is InputStream
* @param file File to save
* @throws Exception
*/
public static void save(InputStream is, File file) throws Exception {
Path path = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId());
Files.copy(is, path);
// In case of image, save thumbnails
if (ImageUtil.isImage(file.getMimeType())) {
BufferedImage image = ImageIO.read(path.toFile());
BufferedImage web = Scalr.resize(image, Scalr.Method.AUTOMATIC, Scalr.Mode.AUTOMATIC, 1280, Scalr.OP_ANTIALIAS);
BufferedImage thumbnail = Scalr.resize(image, Scalr.Method.AUTOMATIC, Scalr.Mode.AUTOMATIC, 256, Scalr.OP_ANTIALIAS);
image.flush();
ImageUtil.writeJpeg(web, Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_web").toFile());
ImageUtil.writeJpeg(thumbnail, Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_thumb").toFile());
}
}
}

40
docs-core/src/main/java/com/sismics/util/FileUtil.java
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@@ -1,40 +0,0 @@
package com.sismics.util;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.docs.core.util.DirectoryUtil;
import org.imgscalr.Scalr;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
/**
* File utilities.
*
* @author bgamard
*/
public class FileUtil {
/**
* Save a file on the storage filesystem.
*
* @param is InputStream
* @param file File to save
* @throws Exception
*/
public static void save(InputStream is, File file) throws Exception {
Path path = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId());
Files.copy(is, path);
// In case of image, save a thumbnail
if (ImageUtil.isImage(file.getMimeType())) {
BufferedImage image = ImageIO.read(path.toFile());
BufferedImage resizedImage = Scalr.resize(image, Scalr.Method.AUTOMATIC, Scalr.Mode.AUTOMATIC, 256, Scalr.OP_ANTIALIAS);
image.flush();
ImageUtil.writeJpeg(resizedImage, Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_thumb").toFile());
}
}
}