--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/imageio/plugins/bmp/BMPPixelSpacingTest.java Tue Oct 20 22:46:29 2015 +0300
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 7182758
+ * @summary Test verifies whether we are getting correct Horizontal
+ * & Vertical Physical pixel spacing for active BMP image
+ * through stored metadata or not.
+ * @run main BMPPixelSpacingTest
+ */
+
+import java.io.ByteArrayInputStream;
+import java.util.Iterator;
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.metadata.IIOMetadata;
+import javax.imageio.stream.ImageInputStream;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class BMPPixelSpacingTest {
+
+ public static void main(String[] args) throws Exception {
+ // Header contaning X & Y pixels-per-meter more than value 1
+ byte[] bmpHeaderData = { (byte) 0x42, (byte) 0x4d, (byte) 0x7e,
+ (byte) 0x06, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0x00, (byte) 0x00, (byte) 0x3e, (byte) 0x00, (byte) 0x00,
+ (byte) 0x00, (byte) 0x28, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0x64, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x64,
+ (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02,
+ (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0x00, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
+ (byte) 0xff };
+
+ ImageInputStream imageInput = ImageIO.
+ createImageInputStream(new ByteArrayInputStream(bmpHeaderData));
+
+ for (Iterator<ImageReader> it = ImageIO.getImageReaders(imageInput);
+ it.hasNext(); ) {
+ ImageReader reader = it.next();
+ reader.setInput(imageInput);
+ IIOMetadata metadata = reader.getImageMetadata(0);
+
+ Node rootNode = metadata.getAsTree("javax_imageio_1.0");
+ NodeList nl = rootNode.getChildNodes();
+
+ //Parse until you get Dimension child node
+ for (int i = 0; i < nl.getLength(); i++) {
+ Node node = nl.item(i);
+ if ((node.getNodeName()).equals("Dimension")) {
+ //get childnode list under Dimension node
+ NodeList cl = node.getChildNodes();
+ //Corresponding node indices under Dimension node
+ int horizontalNodeIndex = 1;
+ int verticalNodeIndex = 2;
+ Node horizontalNode = cl.item(horizontalNodeIndex);
+ Node verticalNode = cl.item(verticalNodeIndex);
+
+ //get attributes for horizontal and vertical nodes
+ NamedNodeMap horizontalAttr = horizontalNode.
+ getAttributes();
+ NamedNodeMap verticalAttr = verticalNode.getAttributes();
+
+ //since they have only one attribute index is 0
+ int attributeIndex = 0;
+ Node horizontalValue = horizontalAttr.item(attributeIndex);
+ Node verticalValue = verticalAttr.item(attributeIndex);
+ float horizontalNodeValue = Float.
+ parseFloat((horizontalValue.getNodeValue()));
+ float verticalNodeValue = Float.
+ parseFloat((verticalValue.getNodeValue()));
+
+ float expectedHorizontalValue, expectedVerticalValue;
+ // in test metadata xPixelsPerMeter & yPixelsPerMeter is 2
+ expectedHorizontalValue = expectedVerticalValue =
+ 1000.0F / 2;
+ //expected and returned values should be same
+ if ((Float.compare(horizontalNodeValue,
+ expectedHorizontalValue) != 0) ||
+ (Float.compare(verticalNodeValue,
+ expectedVerticalValue) != 0)) {
+ throw new RuntimeException("Invalid pixel spacing");
+ }
+ }
+ }
+ }
+ }
+}