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5dd720e064
The serialization of double typed geographical coordinates to DMS system supported by the exif standards was previously truncated without need. The previous code truncated the seconds part of the coordinate to a fraction with denominator equal to 1 causing a bug on the deserialization when the test for the coordinate to be serialized was more precise. This patch applies a 10E6 multiplier to the numerator equal to the denominator of the rational number. Eg. Latitude = 89.5688643 Serialization DMS Old code = 89/1 deg, 34/1 min, 7/1 sec DMS New code = 89/1 deg, 34/1 min, 79114800UL/10000000UL Deserialization DMS Old code = 89.5686111111 DMS New code = 89.5688643 The new test tries to serialize a higher precision coordinate. The types of the coordinates are also guint32 instead of gint like previously. guint32 is the type of the fraction components in the exif. https://bugzilla.gnome.org/show_bug.cgi?id=767537 |
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