Ticket #9257: 9257.patch

wp-admin/includes/image.php

@@ -213 +213 @@
 }
 
 /**
+ * Convert the exif geo longitude and latitude format from degrees, minutes and 
+ * seconds to a float degrees.
+ *
+ * @since 2.7.0
+ *
+ * @param string $geo
+ * @return float
+ */
+function wp_exif_gpsconvert($geo) {
+        @list( $degree, $minute, $second ) = $geo;
+        $float = wp_exif_frac2dec($degree)  + (wp_exif_frac2dec($minute)/60) + (wp_exif_frac2dec($second)/3600);
+        
+        return is_float($float) ? $float : 999;
+}
+
+/**
  * Get extended image metadata, exif or iptc as available.
  *
  * Retrieves the EXIF metadata aperture, credit, camera, caption, copyright, iso
@@ -249 +265 @@
                 'iso' => 0,
                 'shutter_speed' => 0,
                 'title' => '',
+                'gps_longitude' => 999,
+                'gps_latitude' => 999,
         );
 
         // read iptc first, since it might contain data not available in exif such
@@ -287 +305 @@
                         $meta['iso'] = $exif['ISOSpeedRatings'];
                 if (!empty($exif['ExposureTime']))
                         $meta['shutter_speed'] = wp_exif_frac2dec( $exif['ExposureTime'] );
+                if (!empty($exif['GPSLongitude']) && count($exif['GPSLongitude']) == 3 && !empty($exif['GPSLongitudeRef']))
+                        $meta['gps_longitude'] = ($exif['GPSLongitudeRef']== 'W' ? '-' : '') . wp_exif_gpsconvert( $exif['GPSLongitude'] );
+                if (!empty($exif['GPSLatitude']) && count($exif['GPSLatitude']) == 3 && !empty($exif['GPSLatitudeRef']))
+                        $meta['gps_latitude'] = ($exif['GPSLatitudeRef']== 'S' ? '-' : '') . wp_exif_gpsconvert( $exif['GPSLatitude'] );
         }
 
         return apply_filters( 'wp_read_image_metadata', $meta, $file, $sourceImageType );