/*
* Meviz - Various tools collection to work with multimedia.
- * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * Copyright (C) 2012 -- 2019, 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.
- */
+ * modify it under the terms of version 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
+*/
package eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes;
import eu.svjatoslav.commons.file.FilePathParser;
+import eu.svjatoslav.commons.file.IOHelper;
import eu.svjatoslav.meviz.htmlindexer.Constants;
+import eu.svjatoslav.meviz.htmlindexer.GifSequenceWriter;
+import eu.svjatoslav.meviz.htmlindexer.ImageFormatError;
import eu.svjatoslav.meviz.htmlindexer.Utils;
import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.FileImageOutputStream;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.FilteredImageSource;
import java.awt.image.ImageFilter;
import java.awt.image.ImageProducer;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.OutputStream;
+import java.io.*;
import java.util.ArrayList;
import java.util.List;
+import static eu.svjatoslav.meviz.htmlindexer.Utils.getBufferedImage;
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
+
public class Picture extends AbstractFile {
private static final long serialVersionUID = -4156533490858298387L;
* exceeding provided thumbnail width and height, and preserving aspect
* ratio of original image.
*/
- public static java.awt.Dimension getTargetThumbnailDimension(
+ private static java.awt.Dimension getTargetThumbnailDimension(
final java.awt.Dimension originalImageDimension,
final java.awt.Dimension desiredTargetDimension) {
* Propose list of thumbnail dimensions.
*/
public static List<Dimension> getThumbnailDimensions(Dimension current) {
- final ArrayList<Dimension> result = new ArrayList<Dimension>();
+ final ArrayList<Dimension> result = new ArrayList<>();
result.add(current);
while (current.getArea() > 1000000) {
final File outputFile,
final java.awt.Dimension preferredTargetDimensions) {
+ String fileExtension = FilePathParser.getFileExtension(inputFile.getName());
+
try {
+ if ("gif".equalsIgnoreCase(fileExtension))
+ makeGifThumbnail(inputFile, outputFile, preferredTargetDimensions);
+ else
+ makeJpegThumbnail(inputFile, outputFile, preferredTargetDimensions);
+ } catch (final Exception exception) {
+ System.out.println(exception.toString());
+ exception.printStackTrace();
+ }
+ }
- final BufferedImage inputImage = Utils.getBufferedImage(inputFile);
+ private static void makeJpegThumbnail(File inputFile, File outputFile, java.awt.Dimension preferredTargetDimensions)
+ throws IOException, ImageFormatError {
+
+ final BufferedImage inputImage = getBufferedImage(inputFile);
final java.awt.Dimension sourceImageDimension = new java.awt.Dimension(
inputImage.getWidth(), inputImage.getHeight());
final BufferedImage bufferedImage = new BufferedImage(
scaledImage.getWidth(null), scaledImage.getHeight(null),
- BufferedImage.TYPE_INT_RGB);
+ TYPE_INT_RGB);
final Graphics2D g = bufferedImage.createGraphics();
g.drawImage(scaledImage, 0, 0, null);
ImageIO.write(bufferedImage, "jpg", out);
out.close();
+ }
- } catch (final Exception exception) {
- System.out.println(exception.toString());
- exception.printStackTrace();
+ private static void makeGifThumbnail(
+ File inputFile, File outputFile, java.awt.Dimension preferredTargetDimensions) throws IOException {
+ ImageIcon imageIcon = new ImageIcon(IOHelper.getFileContents(inputFile));
+
+ final java.awt.Dimension sourceImageDimension = new java.awt.Dimension(
+ imageIcon.getIconWidth(), imageIcon.getIconHeight());
+
+ System.out.println("Source image dimensions:" + sourceImageDimension);
+
+ final java.awt.Dimension targetDimensions = getTargetThumbnailDimension(
+ sourceImageDimension, preferredTargetDimensions);
+
+ System.out.println("Desired target image dimensions:" + targetDimensions);
+
+ FileInputStream fiStream = new FileInputStream( inputFile );
+
+ ImageReader reader = ImageIO.getImageReadersByFormatName("gif").next();
+ ImageInputStream stream = ImageIO.createImageInputStream(inputFile);
+ reader.setInput(stream);
+
+ Utils.ImageFrame[] frames = Utils.readGIF(reader);
+ for (Utils.ImageFrame frame : frames) {
+ Image scaleImage = scaleImage(frame.image, targetDimensions.width, targetDimensions.height);
+ BufferedImage bimage = new BufferedImage(
+ targetDimensions.width, targetDimensions.height, BufferedImage.TYPE_INT_ARGB);
+ Graphics2D bGr = bimage.createGraphics();
+ bGr.drawImage(scaleImage, 0, 0, null);
+ bGr.dispose();
+ frame.image = bimage;
}
+
+ ImageOutputStream output = new FileImageOutputStream(outputFile );
+
+ GifSequenceWriter writer =
+ new GifSequenceWriter( output, frames[0].image.getType(), frames[0].getDelay(), true );
+
+ writer.writeToSequence( frames[0].image );
+ for ( int i = 1; i < frames.length; i++ ) {
+ BufferedImage nextImage = frames[i].image;
+ writer.writeToSequence( nextImage );
+ }
+
+ writer.close();
+ output.close();
}
/**
* @return new image scaled to desired dimensions
*/
- public static Image scaleImage(final Image srcImage, final int width,
- final int height) {
+ private static Image scaleImage(final Image srcImage, final int width,
+ final int height) {
final ImageFilter filter = new java.awt.image.AreaAveragingScaleFilter(
width, height);
// compute new thumbnails hash number
final String forMagicHash = fileName + " "
- + String.valueOf(targetDimension.width) + " "
- + String.valueOf(targetDimension.height) + " "
- + String.valueOf(getFileLength()) + " "
+ + targetDimension.width + " "
+ + targetDimension.height + " "
+ + getFileLength() + " "
+ Constants.THUMBNAIL_VERSION;
- // System.out.println("Computing hash from: " + forMagicHash);
return Utils.getStringCrcAsHex(forMagicHash);
}
* relative to designated thumbnails directory within parent directory.
*/
public String getRelativeThumbnailFileName(final Dimension targetDimension) {
+ String thumbnailExtension = "gif".equalsIgnoreCase(getFileExtension()) ? "gif" : "jpeg";
+
return FilePathParser.getFileNameWithoutExtension(fileName) + " ("
- + computeThumbnailHash(targetDimension) + ").jpeg";
+ + computeThumbnailHash(targetDimension) + ")." + thumbnailExtension;
}
@Override
- public void updateFileMetainfo(final File parentDirectory) throws Exception {
- final BufferedImage image = Utils
- .getBufferedImage(getFile(parentDirectory));
+ public void updateFileMetadata(final File parentDirectory) throws Exception {
+ final BufferedImage image = getBufferedImage(getFile(parentDirectory));
dimensions = new Dimension(image.getWidth(), image.getHeight());
}
projects / meviz.git / blobdiff