Package com.drew.imaging.jpeg

Examples of com.drew.imaging.jpeg.JpegSegmentData

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        super(name);
    }

    public void testAddAndGetSegment() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker = (byte)12;
        byte[] segmentBytes = new byte[] { 1,2,3 };

        segmentData.addSegment(segmentMarker, segmentBytes);
        assertEquals(1, segmentData.getSegmentCount(segmentMarker));
        TestHelper.assertEqualArrays(segmentBytes, segmentData.getSegment(segmentMarker));
    }
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        TestHelper.assertEqualArrays(segmentBytes, segmentData.getSegment(segmentMarker));
    }

    public void testContainsSegment() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker = (byte)12;
        byte[] segmentBytes = new byte[] { 1,2,3 };

        assertTrue(!segmentData.containsSegment(segmentMarker));

        segmentData.addSegment(segmentMarker, segmentBytes);

        assertTrue(segmentData.containsSegment(segmentMarker));
    }
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        assertTrue(segmentData.containsSegment(segmentMarker));
    }

    public void testAddingMultipleSegments() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker1 = (byte)12;
        byte segmentMarker2 = (byte)21;
        byte[] segmentBytes1 = new byte[] { 1,2,3 };
        byte[] segmentBytes2 = new byte[] { 3,2,1 };

        segmentData.addSegment(segmentMarker1, segmentBytes1);
        segmentData.addSegment(segmentMarker2, segmentBytes2);
        assertEquals(1, segmentData.getSegmentCount(segmentMarker1));
        assertEquals(1, segmentData.getSegmentCount(segmentMarker2));
        TestHelper.assertEqualArrays(segmentBytes1, segmentData.getSegment(segmentMarker1));
        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker2));
    }
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        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker2));
    }

    public void testSegmentWithMultipleOccurrences() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker = (byte)12;
        byte[] segmentBytes1 = new byte[] { 1,2,3 };
        byte[] segmentBytes2 = new byte[] { 3,2,1 };

        segmentData.addSegment(segmentMarker, segmentBytes1);
        segmentData.addSegment(segmentMarker, segmentBytes2);
        assertEquals(2, segmentData.getSegmentCount(segmentMarker));
        TestHelper.assertEqualArrays(segmentBytes1, segmentData.getSegment(segmentMarker));
        TestHelper.assertEqualArrays(segmentBytes1, segmentData.getSegment(segmentMarker, 0));
        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker, 1));
    }
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        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker, 1));
    }

    public void testRemoveSegmentOccurrence() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker = (byte)12;
        byte[] segmentBytes1 = new byte[] { 1,2,3 };
        byte[] segmentBytes2 = new byte[] { 3,2,1 };

        segmentData.addSegment(segmentMarker, segmentBytes1);
        segmentData.addSegment(segmentMarker, segmentBytes2);

        assertEquals(2, segmentData.getSegmentCount(segmentMarker));

        TestHelper.assertEqualArrays(segmentBytes1, segmentData.getSegment(segmentMarker, 0));

        segmentData.removeSegmentOccurrence(segmentMarker, 0);

        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker, 0));
    }
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        TestHelper.assertEqualArrays(segmentBytes2, segmentData.getSegment(segmentMarker, 0));
    }

    public void testRemoveSegment() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();

        byte segmentMarker = (byte)12;
        byte[] segmentBytes1 = new byte[] { 1,2,3 };
        byte[] segmentBytes2 = new byte[] { 3,2,1 };

        segmentData.addSegment(segmentMarker, segmentBytes1);
        segmentData.addSegment(segmentMarker, segmentBytes2);

        assertEquals(2, segmentData.getSegmentCount(segmentMarker));
        assertTrue(segmentData.containsSegment(segmentMarker));

        TestHelper.assertEqualArrays(segmentBytes1, segmentData.getSegment(segmentMarker, 0));

        segmentData.removeSegment(segmentMarker);

        assertTrue(!segmentData.containsSegment(segmentMarker));
        assertEquals(0, segmentData.getSegmentCount(segmentMarker));
    }
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        assertEquals(0, segmentData.getSegmentCount(segmentMarker));
    }

    public void testToAndFromFile() throws Exception
    {
        JpegSegmentData segmentData = new JpegSegmentData();
        byte segmentMarker = (byte)12;
        byte[] segmentBytes = new byte[] { 1,2,3 };

        segmentData.addSegment(segmentMarker, segmentBytes);
        assertTrue(segmentData.containsSegment(segmentMarker));

        File tempFile = File.createTempFile("JpegSegmentDataTest", "tmp");
        JpegSegmentData.ToFile(tempFile, segmentData);
        assertTrue(tempFile.exists());
        assertTrue(tempFile.length() > 0);
        segmentData = JpegSegmentData.FromFile(tempFile);

        tempFile.delete();
        assertTrue(!tempFile.exists());

        assertNotNull(segmentData);
        assertTrue(segmentData.containsSegment(segmentMarker));
        TestHelper.assertEqualArrays(segmentBytes, segmentData.getSegment(segmentMarker));
    }
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public class SpecialTests extends TestCase
{
    public void testExtractMetadataToASeparateFile() throws Exception
    {
        String filename = "src/com/drew/metadata/exif/test/nikonMakernoteType2";
        JpegSegmentData segmentData = new JpegSegmentReader(new File(filename + ".jpg")).getSegmentData();
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_DHT);
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_DQT);
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_SOF0);
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_SOI);
        ObjectOutputStream outputStream = null;
        try
        {
            outputStream = new ObjectOutputStream(new FileOutputStream(new File(filename + ".metadata")));
            outputStream.writeObject(segmentData);
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        if (segmentTypes.size() == 0) {
            // If none specified, use all that could reasonably contain metadata
            segmentTypes.addAll(JpegSegmentType.canContainMetadataTypes);
        }

        JpegSegmentData segmentData = JpegSegmentReader.readSegments(new File(filePath), segmentTypes);

        saveSegmentFiles(filePath, segmentData);
    }
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        }

        String filePath = args[0];
        String outputFilePath = filePath + ".metadata";

        JpegSegmentData segmentData = new JpegSegmentReader(new File(filePath)).getSegmentData();
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_DHT);
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_DQT);
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_SOF0);
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 1));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 2));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 3)); // No 4
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 5));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 6));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 7));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 8));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 9));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 10));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 11)); // No 12
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 13));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 14));
        segmentData.removeSegment((byte)(JpegSegmentReader.SEGMENT_SOF0 + 15));
        segmentData.removeSegment(JpegSegmentReader.SEGMENT_SOI);

        System.out.println("Writing output to: " + outputFilePath);
        JpegSegmentData.toFile(new File(outputFilePath), segmentData);
    }
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Related Classes of com.drew.imaging.jpeg.JpegSegmentData

  • com.drew.imaging.jpeg.test.JpegSegmentDataTest
  • com.drew.lang.TestHelper
  • com.drew.metadata.adobe.AdobeJpegReaderTest
  • com.drew.metadata.exif.ExifReaderTest
  • com.drew.metadata.ExtractAppSegmentBytesToFileUtility
  • com.drew.metadata.ExtractMetadataToFileUtility
  • com.drew.metadata.test.SpecialTests
  • com.drew.metadata.xmp.XmpReaderTest
  • com.drew.tools.ExtractJpegSegmentTool
  • java.util.ArrayList
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