Add support for datetime/timezone shift

Simple datetime shift, including EXIF data modification.

1 files changed, 11 insertions, 3 deletions

diff --git a/src/jpeg-utils.h b/src/jpeg-utils.h
index 86602a2..89a2cd4 100644
--- a/src/jpeg-utils.h
+++ b/src/jpeg-utils.h
@@ -45,13 +45,21 @@ G_BEGIN_DECLS
 #define JPEG_COMMENT            "Jpeg.Comment"
 
 
-typedef struct ExifData ExifData;
+typedef struct ExifDataPrivate ExifDataPrivate;
+
+typedef struct {
+  ExifDataPrivate *priv;
+
+  gchar *override_copyright;
+  int timezone_shift;
+} ExifData;
 
 
 /*
  *   EXIF and IPTC info retrieval, keeps the source file open until freed
  */
 ExifData * read_exif (const gchar *filename);
+ExifData * exif_data_new_empty ();
 void exif_data_free (ExifData *data);
 
 /*
@@ -95,9 +103,9 @@ void calculate_sizes (const unsigned long max_width, const unsigned long max_hei
 
 /*
  *   modify_exif: - strip thumbnail stored in EXIF table
- *                - add copyright to Exif::Image::Copyright and Iptc::Application2::Copyright
+ *                - write down overriden keys
  */
-void modify_exif (const gchar *filename, gboolean strip_thumbnail, const gchar *add_copyright);
+void modify_exif (const gchar *filename, ExifData *exif, gboolean strip_thumbnail);
 
 
 G_END_DECLS