Attach the image's ExifData to a tag when it is assigned to an image.

Remove redundant code that would set the value of a tag twice (in the tag itself, and in the image).
Remove the now useless metadata attribute.

1 files changed, 9 insertions, 7 deletions

diff --git a/src/exiv2wrapper.cpp b/src/exiv2wrapper.cpp
index cc2d455..c579b87 100644
--- a/src/exiv2wrapper.cpp
+++ b/src/exiv2wrapper.cpp
@@ -281,13 +281,6 @@ const ExifTag Image::getExifTag(std::string key)
     return ExifTag(key, &_exifData[key], &_exifData);
 }
 
-void Image::setExifTagValue(std::string key, std::string value)
-{
-    CHECK_METADATA_READ
-
-    _exifData[key] = value;
-}
-
 void Image::deleteExifTag(std::string key)
 {
     CHECK_METADATA_READ
@@ -571,6 +564,15 @@ void ExifTag::setRawValue(const std::string& value)
     _datum->setValue(value);
 }
 
+void ExifTag::setParentImage(Image& image)
+{
+    _data = image.getExifData();
+    std::string value = _datum->toString();
+    delete _datum;
+    _datum = &(*_data)[_key.key()];
+    _datum->setValue(value);
+}
+
 const std::string ExifTag::getKey()
 {
     return _key.key();