X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2Fjpeg%2FExifGateway.java;fp=tim%2Fprune%2Fjpeg%2FExifGateway.java;h=0000000000000000000000000000000000000000;hp=c11ba2e69ec7c3f1d7ead5bd7a549ec3ea6ce318;hb=92dad5df664287acb51728e9ea599f150765d34a;hpb=81843c3d8d0771bf00d0f26034a13aa515465c78

diff --git a/tim/prune/jpeg/ExifGateway.java b/tim/prune/jpeg/ExifGateway.java
deleted file mode 100644
index c11ba2e..0000000
--- a/tim/prune/jpeg/ExifGateway.java
+++ /dev/null
@@ -1,108 +0,0 @@
-package tim.prune.jpeg;
-
-import java.io.File;
-import javax.swing.JOptionPane;
-import tim.prune.I18nManager;
-
-/**
- * Skeleton gateway to the Exif functions.
- * This is required by Debian to divert Exif handling
- * to the external libmetadata-extractor-java library
- * instead of the included modified routines.
- *
- * Switching between internal and external libraries is
- * handled by the ExifLibrarySwitch
- */
-public abstract class ExifGateway
-{
-	/** Library object to call */
-	private static ExifLibrary _exifLibrary = null;
-	/** Flag to set whether failure warning has already been shown */
-	private static boolean _exifFailWarned = false;
-
-	/** Static block to initialise library */
-	static
-	{
-		String libraryClass = ExifLibrarySwitch.USE_INTERNAL_LIBRARY?"InternalExifLibrary":"ExternalExifLibrary";
-		try
-		{
-			_exifLibrary = (ExifLibrary) Class.forName("tim.prune.jpeg." + libraryClass).newInstance();
-		}
-		catch (Throwable nolib) {_exifLibrary = null;}
-	}
-
-
-	/**
-	 * Get the Jpeg data from the given file
-	 * @param inFile file to read
-	 * @return jpeg data, or null if none found
-	 */
-	public static JpegData getJpegData(File inFile)
-	{
-		try
-		{
-			// Call library (if found)
-			if (_exifLibrary != null) {
-				JpegData data = _exifLibrary.getJpegData(inFile);
-				return data;
-			}
-		}
-		catch (LinkageError nolib) {
-			System.err.println("Link: " + nolib.getMessage());
-			nolib.printStackTrace();
-		}
-		// Not successful - warn if necessary
-		if (!_exifFailWarned)
-		{
-			JOptionPane.showMessageDialog(null, I18nManager.getText("error.jpegload.exifreadfailed"),
-				I18nManager.getText("error.jpegload.dialogtitle"), JOptionPane.WARNING_MESSAGE);
-			_exifFailWarned = true;
-		}
-		return null;
-	}
-
-	/**
-	 * @return key to use to describe library, matching key for about dialog
-	 */
-	public static String getDescriptionKey()
-	{
-		String key = ExifLibrarySwitch.USE_INTERNAL_LIBRARY?"internal":"external";
-		if (_exifLibrary == null || !_exifLibrary.looksOK()) {key = key + ".failed";}
-		return key;
-	}
-
-
-	/**
-	 * @param inNumerator numerator from Rational
-	 * @param inDenominator denominator from Rational
-	 * @return the value of the specified number as a positive <code>double</code>.
-	 * Prevents interpretation of 32 bit numbers as negative, and forces a positive answer
-	 */
-	public static final double convertToPositiveValue(int inNumerator, int inDenominator)
-	{
-		if (inDenominator == 0) return 0.0;
-		double numeratorDbl = inNumerator;
-		double denomDbl = inDenominator;
-		if (inNumerator >= 0)
-			return numeratorDbl / denomDbl;
-		final double correction = Math.pow(2.0, 32);
-		numeratorDbl += correction;
-		if (inDenominator < 0) denomDbl += correction;
-		return numeratorDbl / denomDbl;
-	}
-
-
-	/**
-	 * @param inNumerator numerator from Rational
-	 * @param inDenominator denominator from Rational
-	 * @return the value of the specified number as a positive <code>double</code>.
-	 * Forces a positive answer
-	 */
-	public static final double convertToPositiveValue(long inNumerator, long inDenominator)
-	{
-		if (inDenominator == 0L) return 0.0;
-		final double numeratorDbl = inNumerator;
-		final double denomDbl = inDenominator;
-		return numeratorDbl / denomDbl;
-	}
-}