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Merge "Improved conversion accuracy of exif geotag data" into honeycomb

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Wu-cheng Li
2011-01-24 18:48:34 -08:00
committed by Android (Google) Code Review
parent 2ff6d70521 a113a075ca
commit c8de291ee5
1 changed files with 19 additions and 13 deletions
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32
media/java/android/media/ExifInterface.java
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@ -299,12 +299,16 @@ public class ExifInterface {
String lngRef = mAttributes.get(ExifInterface.TAG_GPS_LONGITUDE_REF);
if (latValue != null && latRef != null && lngValue != null && lngRef != null) {
output[0] = convertRationalLatLonToFloat(latValue, latRef);
output[1] = convertRationalLatLonToFloat(lngValue, lngRef);
return true;
} else {
return false;
try {
output[0] = convertRationalLatLonToFloat(latValue, latRef);
output[1] = convertRationalLatLonToFloat(lngValue, lngRef);
return true;
} catch (IllegalArgumentException e) {
// if values are not parseable
}
}
return false;
}
/**
@ -373,12 +377,12 @@ public class ExifInterface {
String [] pair;
pair = parts[0].split("/");
int degrees = (int) (Float.parseFloat(pair[0].trim())
/ Float.parseFloat(pair[1].trim()));
double degrees = Double.parseDouble(pair[0].trim())
/ Double.parseDouble(pair[1].trim());
pair = parts[1].split("/");
int minutes = (int) ((Float.parseFloat(pair[0].trim())
/ Float.parseFloat(pair[1].trim())));
double minutes = Double.parseDouble(pair[0].trim())
/ Double.parseDouble(pair[1].trim());
pair = parts[2].split("/");
double seconds = Double.parseDouble(pair[0].trim())
@ -389,10 +393,12 @@ public class ExifInterface {
return (float) -result;
}
return (float) result;
} catch (RuntimeException ex) {
// if for whatever reason we can't parse the lat long then return
// null
return 0f;
} catch (NumberFormatException e) {
// Some of the nubmers are not valid
throw new IllegalArgumentException();
} catch (ArrayIndexOutOfBoundsException e) {
// Some of the rational does not follow the correct format
throw new IllegalArgumentException();
}
}