| /** |
| * 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. |
| */ |
| |
| package org.apache.pdfbox.jbig2.segments; |
| |
| import static org.junit.Assume.assumeTrue; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.imageio.stream.ImageInputStream; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.pdfbox.jbig2.err.InvalidHeaderValueException; |
| import org.apache.pdfbox.jbig2.io.DefaultInputStreamFactory; |
| import org.apache.pdfbox.jbig2.io.SubInputStream; |
| import org.apache.pdfbox.jbig2.segments.HalftoneRegion; |
| import org.apache.pdfbox.jbig2.util.CombinationOperator; |
| import org.junit.Test; |
| |
| public class HalftoneRegionTest { |
| |
| @Test |
| public void parseHeaderTest() throws IOException, InvalidHeaderValueException { |
| |
| final File inputFile = new File("target/images/sampledata.jb2"); |
| // skip test if input stream isn't available |
| assumeTrue(inputFile.exists()); |
| |
| final InputStream inputStream = new FileInputStream(inputFile); |
| |
| DefaultInputStreamFactory disf = new DefaultInputStreamFactory(); |
| ImageInputStream iis = disf.getInputStream(inputStream); |
| // Seventh Segment (number 6) |
| SubInputStream sis = new SubInputStream(iis, 302, 87); |
| HalftoneRegion hr = new HalftoneRegion(sis); |
| hr.init(null, sis); |
| |
| Assert.assertEquals(true, hr.isMMREncoded()); |
| Assert.assertEquals(0, hr.getHTemplate()); |
| Assert.assertEquals(false, hr.isHSkipEnabled()); |
| Assert.assertEquals(CombinationOperator.OR, hr.getCombinationOperator()); |
| Assert.assertEquals(0, hr.getHDefaultPixel()); |
| |
| Assert.assertEquals(8, hr.getHGridWidth()); |
| Assert.assertEquals(9, hr.getHGridHeight()); |
| Assert.assertEquals(0, hr.getHGridX()); |
| Assert.assertEquals(0, hr.getHGridY()); |
| Assert.assertEquals(1024, hr.getHRegionX()); |
| Assert.assertEquals(0, hr.getHRegionY()); |
| |
| } |
| |
| } |