magoffin.matt.meta.image.camera
Class Canon20D

java.lang.Object
  magoffin.matt.meta.support.AbstractMetadataResource
      magoffin.matt.meta.support.AbstractEnumMetadataResource<ImageMetadataType>
          magoffin.matt.meta.image.EXIFJpegMetadataResource
              magoffin.matt.meta.image.camera.Canon
                  magoffin.matt.meta.image.camera.Canon20D

All Implemented Interfaces:

MetadataResource

public class Canon20D
extends Canon

A Canon 20D-specific implementation of EXIFJpegMetadataResource.

Version:

$Revision: 3 $ $Date: 2008-12-27 08:09:28 +1300 (Sat, 27 Dec 2008) $

Author:

Matt Magoffin (spamsqr@msqr.us)

Field Summary

static float

FOCAL_EQUIV_35MM_X_FACTOR The field of view crop factor from the 20D focal length to a 35mm equivilent.

Fields inherited from class magoffin.matt.meta.image.EXIFJpegMetadataResource

EXIF_BASIC_DATE_FORMAT

Fields inherited from class magoffin.matt.meta.support.AbstractMetadataResource

log

Constructor Summary

Canon20D(java.io.InputStream in)
Construct from an InputStream.

Canon20D(com.drew.metadata.Metadata exif)
Construct from an existing EXIF Metadata instance.

Method Summary

protected float

getFocalLength35mmEquivFactor() Get a multiplication factor to convert the EXIF focal length into a 35mm equivalent length, for cameras that work this way.

Methods inherited from class magoffin.matt.meta.image.EXIFJpegMetadataResource

extractAperture, extractCameraMake, extractCameraModel, extractCreationDate, extractExposureBias, extractExposureTime, extractFlash, extractFocalLength, extractFocalLength35mmEquiv, extractFstop, extractGpsLatitude, extractGpsLongitude, extractOrientation, extractShutterSpeed, getExifInt, getExifRational, getExifString, getMetaInt, getMetaRational, getMetaString, parseExif, roundDecimal

Methods inherited from class magoffin.matt.meta.support.AbstractEnumMetadataResource

addError, addValue, getValue, getValues, setValue, setValues

Methods inherited from class magoffin.matt.meta.support.AbstractMetadataResource

addError, addValue, clearValues, getParsedKeys, getParseErrors, getValue, getValueList, getValues, setValue, setValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface magoffin.matt.meta.MetadataResource

getParsedKeys, getParseErrors, getValue, getValues

Field Detail

FOCAL_EQUIV_35MM_X_FACTOR

public static final float FOCAL_EQUIV_35MM_X_FACTOR

The field of view crop factor from the 20D focal length to a 35mm equivilent.

See Also:

Constant Field Values

Constructor Detail

Canon20D

public Canon20D(java.io.InputStream in)

Construct from an InputStream.

Parameters:

in - the JPEG input stream

Canon20D

public Canon20D(com.drew.metadata.Metadata exif)

Construct from an existing EXIF Metadata instance.

Parameters:

exif - the EXIF metadata

Method Detail

getFocalLength35mmEquivFactor

protected float getFocalLength35mmEquivFactor()

Description copied from class: EXIFJpegMetadataResource

Get a multiplication factor to convert the EXIF focal length into a 35mm equivalent length, for cameras that work this way.

This implementation returns 1, i.e. no multiplication factor. Extending classes can override this to provide a camera-specific value.

Overrides:

getFocalLength35mmEquivFactor in class EXIFJpegMetadataResource

Returns:

the focalLength35mmEquivFactor