src/test/java/org/apache/pdfbox/jbig2/JBIG2PageTest.java

/**
 * 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;

import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;

import javax.imageio.stream.ImageInputStream;

import org.apache.pdfbox.jbig2.Bitmap;
import org.apache.pdfbox.jbig2.JBIG2Document;
import org.apache.pdfbox.jbig2.JBIG2ReadParam;
import org.apache.pdfbox.jbig2.TestImage;
import org.apache.pdfbox.jbig2.err.JBIG2Exception;
import org.apache.pdfbox.jbig2.image.Bitmaps;
import org.apache.pdfbox.jbig2.image.FilterType;
import org.apache.pdfbox.jbig2.io.DefaultInputStreamFactory;
import org.junit.Ignore;
import org.junit.Test;

public class JBIG2PageTest {

  // TESTS WITH TESTOUTPUT
  // Ignore in build process

  @Ignore
  @Test
  public void composeDisplayTest() throws IOException, JBIG2Exception {

    String filepath = "/images/amb_1.jb2";
    int pageNumber = 1;

    InputStream is = getClass().getResourceAsStream(filepath);
    DefaultInputStreamFactory disf = new DefaultInputStreamFactory();
    ImageInputStream iis = disf.getInputStream(is);
    JBIG2Document doc = new JBIG2Document(iis);

    Bitmap pageBitmap = doc.getPage(pageNumber).getBitmap();
    BufferedImage b = Bitmaps.asBufferedImage(pageBitmap, new JBIG2ReadParam(1, 1, 0, 0, new Rectangle(166, 333, 555,
        444), null), FilterType.Gaussian);
    new TestImage(b);
  }

  @Ignore
  @Test
  public void composeTestWithDurationCalc() throws IOException, JBIG2Exception {
    int runs = 40;
    long avg = 0;

    String path = "/images/042_8.jb2";
    int pageNumber = 1;

    System.out.println("File: " + path);

    InputStream is = getClass().getResourceAsStream(path);
    DefaultInputStreamFactory disf = new DefaultInputStreamFactory();
    ImageInputStream iis = disf.getInputStream(is);

    for (int i = 0; i < runs; i++) {

      long time = System.currentTimeMillis();
      JBIG2Document doc = new JBIG2Document(iis);
      Bitmap pageBitmap = doc.getPage(pageNumber).getBitmap();
      Bitmaps.asBufferedImage(pageBitmap);
      long duration = System.currentTimeMillis() - time;

      System.out.println((i + 1) + ": " + duration + " ms");
      avg += duration;
    }
    System.out.println("Average: " + avg / runs);
  }

  @Ignore
  @Test
  public void composeTestWithDurationCalcAggregate() throws IOException, JBIG2Exception {
    int runs = 40;
    long avg = 0;
    String path = "/images/002.jb2";
    int pages = 17;

    System.out.println("File: " + path);

    InputStream is = getClass().getResourceAsStream(path);
    DefaultInputStreamFactory disf = new DefaultInputStreamFactory();
    ImageInputStream iis = disf.getInputStream(is);

    for (int j = 1; j <= pages; j++) {
      avg = 0;

      for (int i = 0; i < runs; i++) {
        long time = System.currentTimeMillis();
        JBIG2Document doc = new JBIG2Document(iis);
        Bitmap pageBitmap = doc.getPage(j).getBitmap();
        Bitmaps.asBufferedImage(pageBitmap);
        long duration = System.currentTimeMillis() - time;
        System.out.print((i + 1) + ": " + duration + " ms ");
        avg += duration;
      }
      System.out.println();
      System.out.println("Page " + j + " Average: " + avg / runs);
    }
  }

}