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#588 Clipping path from JPEG with multiple APP13 segments

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(cherry picked from commit 970f4f3a7e)
This commit is contained in:
Harald Kuhr
2021-02-16 20:51:08 +01:00
parent 1295951ead
commit 4e10fc019e
2 changed files with 15 additions and 5 deletions
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18
imageio/imageio-clippath/src/main/java/com/twelvemonkeys/imageio/path/Paths.java
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@@ -56,6 +56,8 @@ import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.SequenceInputStream;
import java.nio.charset.StandardCharsets;
import java.util.Iterator;
import java.util.List;
@@ -131,7 +133,13 @@ public final class Paths {
List<JPEGSegment> photoshop = JPEGSegmentUtil.readSegments(stream, segmentIdentifiers);
if (!photoshop.isEmpty()) {
return readPathFromPhotoshopResources(new MemoryCacheImageInputStream(photoshop.get(0).data()));
InputStream data = null;
for (JPEGSegment ps : photoshop) {
data = data == null ? ps.data() : new SequenceInputStream(data, ps.data());
}
return readPathFromPhotoshopResources(new MemoryCacheImageInputStream(data));
}
}
else if (magic >>> 16 == TIFF.BYTE_ORDER_MARK_BIG_ENDIAN && (magic & 0xffff) == TIFF.TIFF_MAGIC
@@ -350,10 +358,10 @@ public final class Paths {
IIOMetadataNode unknown = new IIOMetadataNode("unknown");
unknown.setAttribute("MarkerTag", Integer.toString(JPEG.APP13 & 0xFF));
byte[] identfier = "Photoshop 3.0".getBytes(StandardCharsets.US_ASCII);
byte[] data = new byte[identfier.length + 1 + pathResource.length];
System.arraycopy(identfier, 0, data, 0, identfier.length);
System.arraycopy(pathResource, 0, data, identfier.length + 1, pathResource.length);
byte[] identifier = "Photoshop 3.0".getBytes(StandardCharsets.US_ASCII);
byte[] data = new byte[identifier.length + 1 + pathResource.length];
System.arraycopy(identifier, 0, data, 0, identifier.length);
System.arraycopy(pathResource, 0, data, identifier.length + 1, pathResource.length);
unknown.setUserObject(data);