[tracker] tracker-extract: Fix original resolution conversion in EXIF data

[Aleksander Morgado <aleksm src gnome org>]

commit 7eb1a4d79c6cd6777a96a0da3f06a28571747a7f
Author: Lionel Landwerlin <lionel g landwerlin linux intel com>
Date:   Fri Mar 18 17:42:48 2011 +0000

    tracker-extract: Fix original resolution conversion in EXIF data
    
    According to the specification (http://www.exif.org/Exif2-2.PDF),
    the resolution unit is described as :
     2     = inches unit
     3     = centimer unit
     other = reserved
    
    Fixes GB#645375
    
    Signed-off-by: Lionel Landwerlin <lionel g landwerlin linux intel com>

 src/tracker-extract/tracker-extract-jpeg.c |    4 ++--
 src/tracker-extract/tracker-extract-png.c  |    6 +++---
 src/tracker-extract/tracker-extract-tiff.c |    4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-jpeg.c b/src/tracker-extract/tracker-extract-jpeg.c
index 06cd43c..b6fd791 100644
--- a/src/tracker-extract/tracker-extract-jpeg.c
+++ b/src/tracker-extract/tracker-extract-jpeg.c
@@ -581,7 +581,7 @@ tracker_extract_get_metadata (const gchar          *uri,
 		gdouble value;
 
 		if (cinfo.density_unit == 0) {
-			if (ed->resolution_unit == 1)
+			if (ed->resolution_unit != 3)
 				value = g_strtod (ed->x_resolution, NULL);
 			else
 				value = g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
@@ -600,7 +600,7 @@ tracker_extract_get_metadata (const gchar          *uri,
 		gdouble value;
 
 		if (cinfo.density_unit == 0) {
-			if (ed->resolution_unit == 1)
+			if (ed->resolution_unit != 3)
 				value = g_strtod (ed->y_resolution, NULL);
 			else
 				value = g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
diff --git a/src/tracker-extract/tracker-extract-png.c b/src/tracker-extract/tracker-extract-png.c
index aa8a2f2..57b8776 100644
--- a/src/tracker-extract/tracker-extract-png.c
+++ b/src/tracker-extract/tracker-extract-png.c
@@ -111,7 +111,7 @@ read_metadata (TrackerSparqlBuilder *preupdate,
 			if (!text_ptr[i].key || !text_ptr[i].text || text_ptr[i].text[0] == '\0') {
 				continue;
 			}
-		
+
 	#if defined(HAVE_EXEMPI) && defined(PNG_iTXt_SUPPORTED)
 			if (g_strcmp0 ("XML:com.adobe.xmp", text_ptr[i].key) == 0) {
 				/* ATM tracker_extract_xmp_read supports setting xd
@@ -460,7 +460,7 @@ read_metadata (TrackerSparqlBuilder *preupdate,
 	if (ed->x_resolution) {
 		gdouble value;
 
-		value = ed->resolution_unit == 1 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
+		value = ed->resolution_unit != 3 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
 		tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
 		tracker_sparql_builder_object_double (metadata, value);
 	}
@@ -468,7 +468,7 @@ read_metadata (TrackerSparqlBuilder *preupdate,
 	if (ed->y_resolution) {
 		gdouble value;
 
-		value = ed->resolution_unit == 1 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
+		value = ed->resolution_unit != 3 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
 		tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
 		tracker_sparql_builder_object_double (metadata, value);
 	}
diff --git a/src/tracker-extract/tracker-extract-tiff.c b/src/tracker-extract/tracker-extract-tiff.c
index 67cea6d..d465a18 100644
--- a/src/tracker-extract/tracker-extract-tiff.c
+++ b/src/tracker-extract/tracker-extract-tiff.c
@@ -688,7 +688,7 @@ tracker_extract_get_metadata (const gchar          *uri,
 	if (ed->x_resolution) {
 		gdouble value;
 
-		value = ed->resolution_unit == 1 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
+		value = ed->resolution_unit != 3 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
 		tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
 		tracker_sparql_builder_object_double (metadata, value);
 	}
@@ -696,7 +696,7 @@ tracker_extract_get_metadata (const gchar          *uri,
 	if (ed->y_resolution) {
 		gdouble value;
 
-		value = ed->resolution_unit == 1 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
+		value = ed->resolution_unit != 3 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
 		tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
 		tracker_sparql_builder_object_double (metadata, value);
 	}