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get image dimension without loading the image

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honfika@gmail.com
2015-07-20 15:54:40 +02:00
parent 37dc877b16
commit ecc0cd3f15
10 changed files with 122 additions and 15 deletions
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2
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/helpers/HighlightedTextWriter.java
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@@ -181,7 +181,7 @@ public class HighlightedTextWriter extends GraphTextWriter {
HighlightData ndata = new HighlightData();
ndata.merge(itemPos.data);
ndata.merge(data);
ndata.offset = src.getOffset() + pos + 1;
ndata.offset = src.getOffset() + pos;
h = new Highlighting(sb.length() - newLineCount, ndata, HighlightType.OFFSET, str);
instructionHilights.add(h);
}

22
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/helpers/ImageHelper.java
View File

@@ -19,6 +19,7 @@ package com.jpexs.decompiler.flash.helpers;
import com.jpexs.decompiler.flash.tags.base.ImageTag;
import com.jpexs.decompiler.flash.tags.enums.ImageFormat;
import com.jpexs.helpers.Helper;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@@ -26,10 +27,12 @@ import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import org.monte.media.jpeg.CMYKJPEGImageReader;
import org.monte.media.jpeg.CMYKJPEGImageReaderSpi;
@@ -136,4 +139,23 @@ public class ImageHelper {
throw new Error("Unsuported image format: " + format);
}
public static Dimension getDimesion(InputStream input) throws IOException {
try (ImageInputStream in = ImageIO.createImageInputStream(input)) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(in);
if (readers.hasNext()) {
ImageReader reader = readers.next();
try {
reader.setInput(in);
return new Dimension(reader.getWidth(0), reader.getHeight(0));
} finally {
reader.dispose();
}
}
} catch (IOException ex) {
}
BufferedImage image = read(input);
return new Dimension(image.getWidth(), image.getHeight());
}
}