Package com.drew.lang

Examples of com.drew.lang.Rational

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    }

    @Nullable
    public String getXResolutionDescription()
    {
        Rational value = _directory.getRational(ExifThumbnailDirectory.TAG_X_RESOLUTION);
        if (value==null)
            return null;
        final String unit = getResolutionDescription();
        return value.toSimpleString(_allowDecimalRepresentationOfRationals) +
                " dots per " +
                (unit==null ? "unit" : unit.toLowerCase());
    }
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        switch (formatCode) {
            case FMT_RATIONAL:
                String[] rationalParts = property.split("/", 2);
                if (rationalParts.length == 2) {
                    try{
                        Rational rational = new Rational((long) Float.parseFloat(rationalParts[0]), (long) Float.parseFloat(rationalParts[1]));
                        directory.setRational(tagType, rational);
                    } catch (NumberFormatException ex) {
                        directory.addError(String.format("Unable to parse XMP property %s as a Rational.", propName));
                    }
                } else {
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    /** Do a simple formatting like ExifSubIFDDescriptor.java */
    @Nullable
    public String getFNumberDescription()
    {
        final Rational value = _directory.getRational(XmpDirectory.TAG_F_NUMBER);
        if (value==null)
            return null;
        return "F" + SimpleDecimalFormatter.format(value.doubleValue());
    }
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    /** This code is from ExifSubIFDDescriptor.java */
    @Nullable
    public String getFocalLengthDescription()
    {
        final Rational value = _directory.getRational(XmpDirectory.TAG_FOCAL_LENGTH);
        if (value==null)
            return null;
        java.text.DecimalFormat formatter = new DecimalFormat("0.0##");
        return formatter.format(value.doubleValue()) + " mm";
    }
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    }

    @Nullable
    public String getDigitalZoomDescription()
    {
        Rational value = _directory.getRational(NikonType2MakernoteDirectory.TAG_NIKON_TYPE2_DIGITAL_ZOOM);
        if (value==null)
            return null;
        return value.intValue() == 1
                ? "No digital zoom"
                : value.toSimpleString(true) + "x digital zoom";
    }
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    }

    @Nullable
    public String getFlashStrengthDescription()
    {
        Rational value = _directory.getRational(FujifilmMakernoteDirectory.TAG_FUJIFILM_FLASH_STRENGTH);
        if (value==null)
            return null;
        return value.toSimpleString(false) + " EV (Apex)";
    }
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    }

    @Nullable
    public String getYResolutionDescription()
    {
        Rational value = _directory.getRational(ExifIFD0Directory.TAG_Y_RESOLUTION);
        if (value==null)
            return null;
        final String unit = getResolutionDescription();
        return value.toSimpleString(_allowDecimalRepresentationOfRationals) +
                " dots per " +
                (unit==null ? "unit" : unit.toLowerCase());
    }
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    }

    @Nullable
    public String getXResolutionDescription()
    {
        Rational value = _directory.getRational(ExifIFD0Directory.TAG_X_RESOLUTION);
        if (value==null)
            return null;
        final String unit = getResolutionDescription();
        return value.toSimpleString(_allowDecimalRepresentationOfRationals) +
                " dots per " +
                (unit==null ? "unit" : unit.toLowerCase());
    }
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    }

    @Nullable
    public String getDigitalZoomDescription()
    {
        Rational value = _directory.getRational(NikonType1MakernoteDirectory.TAG_NIKON_TYPE1_DIGITAL_ZOOM);
        if (value == null)
            return null;
        if (value.getNumerator() == 0) {
            return "No digital zoom";
        }
        return value.toSimpleString(true) + "x digital zoom";
    }
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    }

    @Nullable
    public String getFocusDescription()
    {
        Rational value = _directory.getRational(NikonType1MakernoteDirectory.TAG_NIKON_TYPE1_FOCUS);
        if (value == null)
            return null;
        if (value.getNumerator() == 1 && value.getDenominator() == 0) {
            return "Infinite";
        }
        return value.toSimpleString(true);
    }
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Related Classes of com.drew.lang.Rational

  • com.drew.imaging.tiff.TiffReader
  • com.drew.lang.test.RationalTest
  • com.drew.metadata.Directory
  • com.drew.metadata.DirectoryTest
  • com.drew.metadata.exif.ExifDescriptor
  • com.drew.metadata.exif.ExifIFD0Descriptor
  • com.drew.metadata.exif.ExifIFD0DescriptorTest
  • com.drew.metadata.exif.ExifReader
  • com.drew.metadata.exif.ExifReaderTest
  • com.drew.metadata.exif.ExifSubIFDDescriptor
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