Examples of ExifDescriptor

com.drew.metadata.exif.ExifDescriptor
Contains all logic for the presentation of raw Exif data, as stored in ExifDirectory. Use this class to provide human-readable descriptions of tag values.

Examples of com.drew.metadata.exif.ExifDescriptor

    {
        ExifDirectory directory = new ExifDirectory();
        directory.setRational(ExifDirectory.TAG_X_RESOLUTION, new Rational(72, 1));
        // 2 is for 'Inch'
        directory.setInt(ExifDirectory.TAG_RESOLUTION_UNIT, 2);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("72 dots per inch", descriptor.getDescription(ExifDirectory.TAG_X_RESOLUTION));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    {
        ExifDirectory directory = new ExifDirectory();
        directory.setRational(ExifDirectory.TAG_Y_RESOLUTION, new Rational(50, 1));
        // 3 is for 'cm'
        directory.setInt(ExifDirectory.TAG_RESOLUTION_UNIT, 3);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("50 dots per cm", descriptor.getDescription(ExifDirectory.TAG_Y_RESOLUTION));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUserCommentDescription_EmptyEncoding() throws Exception
    {
        byte[] commentBytes = "\0\0\0\0\0\0\0\0This is a comment".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("This is a comment", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUserCommentDescription_AsciiHeaderExtendedAsciiEncoding() throws Exception
    {
        byte[] commentBytes = "ASCII\0\0This is a comment with extended characters ��� ���".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("This is a comment with extended characters ��� ���", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUserCommentDescription_AsciiHeaderAsciiEncoding() throws Exception
    {
        byte[] commentBytes = "ASCII\0\0This is a comment".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("This is a comment", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUserCommentDescription_BlankAscii() throws Exception
    {
        byte[] commentBytes = "ASCII\0\0\0          ".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    {
        // the 10-byte encoding region is only partially full
        byte[] commentBytes = "ASCII\0\0\0".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("ASCII", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    {
        // fill the 10-byte encoding region
        byte[] commentBytes = "ASCII\0\0\0\0\0".getBytes();
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUnicodeComment_ActualBytes() throws Exception
    {
        byte[] commentBytes = new byte[] { 85, 78, 73, 67, 79, 68, 69, 0, 84, 0, 104, 0, 105, 0, 115, 0, 32, 0, 109, 0, 97, 0, 114, 0, 109, 0, 111, 0, 116, 0, 32, 0, 105, 0, 115, 0, 32, 0, 103, 0, 101, 0, 116, 0, 116, 0, 105, 0, 110, 0, 103, 0, 32, 0, 99, 0, 108, 0, 111, 0, 115, 0, 101, 0, 46, 0, 46, 0, 46, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0 };
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("This marmot is getting close...", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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Examples of com.drew.metadata.exif.ExifDescriptor

    public void testUnicodeComment_Ascii() throws Exception
    {
        byte[] commentBytes = new byte[] { 65, 83, 67, 73, 73, 0, 0, 0, 73, 32, 97, 109, 32, 97, 32, 99, 111, 109, 109, 101, 110, 116, 46, 32, 89, 101, 121, 46, 0 };
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("I am a comment. Yey.", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }

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