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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2014/03/12 20:36:27 UTC
svn commit: r1576868 -
/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java
Author: tilman
Date: Wed Mar 12 19:36:26 2014
New Revision: 1576868
URL: http://svn.apache.org/r1576868
Log:
PDFBOX-1977: set and test resolution for JPEG images (forgot javadoc and cleanup)
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java
Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java?rev=1576868&r1=1576867&r2=1576868&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/JPEGUtil.java Wed Mar 12 19:36:26 2014
@@ -15,7 +15,6 @@
*/
package org.apache.pdfbox.util;
-import java.awt.image.BufferedImage;
import javax.imageio.metadata.IIOInvalidTreeException;
import javax.imageio.metadata.IIOMetadata;
import org.w3c.dom.Element;
@@ -28,11 +27,18 @@ class JPEGUtil
{
static final String JPEG_NATIVE_FORMAT = "javax_imageio_jpeg_image_1.0";
+ /**
+ * Set dpi ina JPEG file
+ *
+ * @param metadata the meta data
+ * @param dpi the dpi
+ *
+ * @throws IIOInvalidTreeException if something goes wrong
+ */
static void updateMetadata(IIOMetadata metadata, int dpi) throws IIOInvalidTreeException
{
// https://svn.apache.org/repos/asf/xmlgraphics/commons/trunk/src/java/org/apache/xmlgraphics/image/writer/imageio/ImageIOJPEGImageWriter.java
// http://docs.oracle.com/javase/6/docs/api/javax/imageio/metadata/doc-files/jpeg_metadata.html
-
Element root = (Element) metadata.getAsTree(JPEG_NATIVE_FORMAT);
Element child = (Element) root.getElementsByTagName("app0JFIF").item(0);
child.setAttribute("resUnits", "1"); // inch