/*
* Meviz - Various tools collection to work with multimedia.
* Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation.
import java.awt.image.ImageProducer;
import java.io.File;
import java.io.FileOutputStream;
-import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import eu.svjatoslav.commons.file.FilePathParser;
import eu.svjatoslav.meviz.htmlindexer.Constants;
-import eu.svjatoslav.meviz.htmlindexer.ImageFormatError;
import eu.svjatoslav.meviz.htmlindexer.Utils;
import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
public class Picture extends AbstractFile {
- private static final long serialVersionUID = -4156533490858298387L;
-
- /**
- * Picture dimensions.
- */
- private Dimension dimensions;
-
- public Picture(final File parentDirectory, final String fileName)
- throws IOException, ImageFormatError {
- super(parentDirectory, fileName);
- }
-
- private String computeThumbnailHash(final Dimension targetDimension) {
-
- // compute new thumbnails hash number
- final String forMagicHash = fileName + " "
- + String.valueOf(targetDimension.width) + " "
- + String.valueOf(targetDimension.height) + " "
- + String.valueOf(getFileLength()) + " "
- + Constants.THUMBNAIL_VERSION;
-
- // System.out.println("Computing hash from: " + forMagicHash);
- return Utils.getStringCrcAsHex(forMagicHash);
- }
-
- public Dimension getDimensions() {
- return dimensions;
- };
-
- /**
- * Get thumbnail file name for this image and desired thumbnail dimensions
- * relative to designated thumbnails directory within parent directory.
- */
- public String getRelativeThumbnailFileName(final Dimension targetDimension) {
- return FilePathParser.getFileNameWithoutExtension(fileName) + " ("
- + computeThumbnailHash(targetDimension) + ").jpeg";
- }
-
- @Override
- public void updateFileMetainfo(final File parentDirectory)
- throws IOException {
- BufferedImage image;
- try {
- image = Utils.getBufferedImage(getFile(parentDirectory));
- } catch (final ImageFormatError e) {
- throw new RuntimeException(e);
- }
- dimensions = new Dimension(image.getWidth(), image.getHeight());
+ private static void ensureNonzeroImageArea(final java.awt.Dimension result) {
+ if (result.width < 1)
+ result.width = 1;
+ if (result.height < 1)
+ result.height = 1;
}
/**
desiredTargetDimension.width,
(int) (desiredTargetDimension.width / inputImageWidthToHeightRatio));
+ ensureNonzeroImageArea(result);
+
return result;
} else {
(int) (desiredTargetDimension.height * inputImageWidthToHeightRatio),
desiredTargetDimension.height);
+ ensureNonzeroImageArea(result);
+
return result;
}
}
final ArrayList<Dimension> result = new ArrayList<Dimension>();
result.add(current);
- while (current.getArea() > 100000) {
+ while (current.getArea() > 1000000) {
current = current.getScaled(0.5d);
result.add(current);
}
public static Image scaleImage(final Image srcImage, final int width,
final int height) {
- ImageFilter filter;
- filter = new java.awt.image.AreaAveragingScaleFilter(width, height);
+ final ImageFilter filter = new java.awt.image.AreaAveragingScaleFilter(
+ width, height);
final ImageProducer prod = new FilteredImageSource(
srcImage.getSource(), filter);
final Image newImage = Toolkit.getDefaultToolkit().createImage(prod);
- final ImageIcon imageIcon = new ImageIcon(newImage);
- return imageIcon.getImage();
+ return new ImageIcon(newImage).getImage();
+ }
+
+ private static final long serialVersionUID = -4156533490858298387L;;
+
+ /**
+ * Picture dimensions.
+ */
+ private Dimension dimensions;
+
+ public Picture(final File parentDirectory, final String fileName)
+ throws Exception {
+ super(parentDirectory, fileName);
+ }
+
+ private String computeThumbnailHash(final Dimension targetDimension) {
+
+ // compute new thumbnails hash number
+ final String forMagicHash = fileName + " "
+ + String.valueOf(targetDimension.width) + " "
+ + String.valueOf(targetDimension.height) + " "
+ + String.valueOf(getFileLength()) + " "
+ + Constants.THUMBNAIL_VERSION;
+
+ // System.out.println("Computing hash from: " + forMagicHash);
+ return Utils.getStringCrcAsHex(forMagicHash);
+ }
+
+ public Dimension getDimensions() {
+ return dimensions;
+ }
+
+ /**
+ * Get thumbnail file name for this image and desired thumbnail dimensions
+ * relative to designated thumbnails directory within parent directory.
+ */
+ public String getRelativeThumbnailFileName(final Dimension targetDimension) {
+ return FilePathParser.getFileNameWithoutExtension(fileName) + " ("
+ + computeThumbnailHash(targetDimension) + ").jpeg";
+ }
+
+ @Override
+ public void updateFileMetainfo(final File parentDirectory) throws Exception {
+ final BufferedImage image = Utils
+ .getBufferedImage(getFile(parentDirectory));
+ dimensions = new Dimension(image.getWidth(), image.getHeight());
}
}