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Posted to fop-commits@xmlgraphics.apache.org by je...@apache.org on 2011/02/04 10:56:33 UTC
svn commit: r1067123 - in /xmlgraphics/fop/trunk/test/java/org/apache/fop:
UtilityCodeTestSuite.java util/BitmapImageUtilTestCase.java
Author: jeremias
Date: Fri Feb 4 09:56:33 2011
New Revision: 1067123
URL: http://svn.apache.org/viewvc?rev=1067123&view=rev
Log:
Some tests for bitmap conversions.
Added:
xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java (with props)
Modified:
xmlgraphics/fop/trunk/test/java/org/apache/fop/UtilityCodeTestSuite.java
Modified: xmlgraphics/fop/trunk/test/java/org/apache/fop/UtilityCodeTestSuite.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/java/org/apache/fop/UtilityCodeTestSuite.java?rev=1067123&r1=1067122&r2=1067123&view=diff
==============================================================================
--- xmlgraphics/fop/trunk/test/java/org/apache/fop/UtilityCodeTestSuite.java (original)
+++ xmlgraphics/fop/trunk/test/java/org/apache/fop/UtilityCodeTestSuite.java Fri Feb 4 09:56:33 2011
@@ -25,6 +25,7 @@ import junit.framework.TestSuite;
import org.apache.fop.events.BasicEventTestCase;
import org.apache.fop.pdf.PDFObjectTestCase;
import org.apache.fop.traits.BorderPropsTestCase;
+import org.apache.fop.util.BitmapImageUtilTestCase;
import org.apache.fop.util.ColorUtilTestCase;
import org.apache.fop.util.ElementListUtilsTestCase;
import org.apache.fop.util.PDFNumberTestCase;
@@ -51,6 +52,7 @@ public class UtilityCodeTestSuite {
suite.addTest(new TestSuite(BasicEventTestCase.class));
suite.addTest(new TestSuite(XMLResourceBundleTestCase.class));
suite.addTest(new TestSuite(URIResolutionTestCase.class));
+ suite.addTest(new TestSuite(BitmapImageUtilTestCase.class));
//$JUnit-END$
return suite;
}
Added: xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java?rev=1067123&view=auto
==============================================================================
--- xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java (added)
+++ xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java Fri Feb 4 09:56:33 2011
@@ -0,0 +1,167 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.util;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+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.StringWriter;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.io.IOUtils;
+
+import org.apache.xmlgraphics.image.writer.ImageWriterUtil;
+import org.apache.xmlgraphics.util.WriterOutputStream;
+import org.apache.xmlgraphics.util.io.ASCIIHexOutputStream;
+
+import org.apache.fop.util.bitmap.BitmapImageUtil;
+import org.apache.fop.util.bitmap.JAIMonochromeBitmapConverter;
+import org.apache.fop.util.bitmap.MonochromeBitmapConverter;
+
+/**
+ * Tests {@link BitmapImageUtil}.
+ */
+public class BitmapImageUtilTestCase extends TestCase {
+
+ private static final boolean DEBUG = true;
+ private static final boolean TEST_PIXELS = true;
+
+ /**
+ * Tests the convertTo* methods.
+ * @throws Exception if an error occurs
+ */
+ public void testConvertToMono() throws Exception {
+ BufferedImage testImage = createTestImage();
+ saveAsPNG(testImage, "test-image");
+
+ RenderedImage img;
+ Dimension scaled = new Dimension(320, 240);
+
+ img = BitmapImageUtil.convertToGrayscale(testImage, null);
+ saveAsPNG(img, "out-gray");
+ assertEquals(1, img.getColorModel().getNumComponents());
+ assertEquals(8, img.getColorModel().getPixelSize());
+ assertEquals(640, img.getWidth());
+ assertEquals(480, img.getHeight());
+ assertPixels("5757575757575757575757FFFFFFFFFF", img, 220, 34, 16);
+
+ img = BitmapImageUtil.convertToGrayscale(testImage, scaled);
+ saveAsPNG(img, "out-gray-scaled");
+ assertEquals(1, img.getColorModel().getNumComponents());
+ assertEquals(8, img.getColorModel().getPixelSize());
+ assertEquals(320, img.getWidth());
+ assertEquals(240, img.getHeight());
+
+ img = BitmapImageUtil.convertToMonochrome(testImage, null);
+ saveAsPNG(img, "out-mono");
+ assertEquals(1, img.getColorModel().getPixelSize());
+ assertEquals(640, img.getWidth());
+ assertEquals(480, img.getHeight());
+ assertPixels("00000000000000000000000101010101", img, 220, 34, 16);
+
+ if (isJAIAvailable()) {
+ img = BitmapImageUtil.convertToMonochrome(testImage, null, 0.5f);
+ saveAsPNG(img, "out-mono-jai-0.5");
+ assertEquals(1, img.getColorModel().getPixelSize());
+ assertEquals(640, img.getWidth());
+ assertEquals(480, img.getHeight());
+ assertPixels("00010000000100000001000101010101", img, 220, 34, 16);
+
+ img = BitmapImageUtil.convertToMonochrome(testImage, null, 1.0f);
+ saveAsPNG(img, "out-mono-jai-1.0");
+ assertEquals(1, img.getColorModel().getPixelSize());
+ assertEquals(640, img.getWidth());
+ assertEquals(480, img.getHeight());
+ assertPixels("01000001000001000001000101010101", img, 220, 34, 16);
+ }
+ }
+
+ private void assertPixels(String expected, RenderedImage img, int x, int y, int w)
+ throws IOException {
+ if (TEST_PIXELS) {
+ byte[] byteArray = (byte[])img.getData().getDataElements(x, y, w, 1, new byte[w]);
+ assertEquals(expected, toHex(byteArray));
+ }
+ }
+
+ private boolean isJAIAvailable() {
+ MonochromeBitmapConverter converter
+ = BitmapImageUtil.createDefaultMonochromeBitmapConverter();
+ return (converter instanceof JAIMonochromeBitmapConverter);
+ }
+
+ private void saveAsPNG(RenderedImage img, String name) throws IOException {
+ if (DEBUG) {
+ File baseDir = new File("./build/test-results/bitmap-conversion");
+ baseDir.mkdirs();
+ ImageWriterUtil.saveAsPNG(img, new File(baseDir, name + ".png"));
+ }
+ }
+
+ private String toHex(byte[] byteArray) throws IOException {
+ InputStream in = new java.io.ByteArrayInputStream(byteArray);
+ StringWriter writer = new StringWriter();
+ WriterOutputStream wo = new WriterOutputStream(writer, "US-ASCII");
+ ASCIIHexOutputStream hex = new ASCIIHexOutputStream(wo);
+ IOUtils.copyLarge(in, hex);
+ return writer.toString();
+ }
+
+ private BufferedImage createTestImage() {
+ BufferedImage buf = new BufferedImage(640, 480, BufferedImage.TYPE_INT_RGB);
+ Graphics2D g2d = buf.createGraphics();
+ g2d.setBackground(Color.WHITE);
+ g2d.clearRect(0, 0, buf.getWidth(), buf.getHeight());
+
+ //A few rectangles rotated and with different color
+ Graphics2D copy = (Graphics2D)g2d.create();
+ copy.translate(170, 170);
+ int c = 12;
+ for (int i = 0; i < c; i++) {
+ float f = ((i + 1) / (float)c);
+ Color col = new Color(0.0f, 1 - f, 0.0f);
+ copy.setColor(col);
+ copy.fillRect(0, 0, 120, 120);
+ copy.rotate(-2 * Math.PI / c);
+ }
+ copy.dispose();
+
+ //the same in gray scales
+ copy = (Graphics2D)g2d.create();
+ copy.translate(470, 310);
+ c = 12;
+ for (int i = 0; i < c; i++) {
+ float f = ((i + 1) / (float)c);
+ Color col = new Color(f, f, f);
+ copy.setColor(col);
+ copy.fillRect(0, 0, 120, 120);
+ copy.rotate(-2 * Math.PI / c);
+ }
+ copy.dispose();
+ return buf;
+ }
+
+}
Propchange: xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java
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Propchange: xmlgraphics/fop/trunk/test/java/org/apache/fop/util/BitmapImageUtilTestCase.java
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