Added method Image::setThumbnailFromJpegFile(...) that allows setting the image thumbnail from a jpeg file.

4 files changed, 30 insertions, 1 deletions

diff --git a/src/libpyexiv2.cpp b/src/libpyexiv2.cpp
index 389f2c1..2c8fb4d 100644
--- a/src/libpyexiv2.cpp
+++ b/src/libpyexiv2.cpp
@@ -493,4 +493,26 @@ namespace LibPyExiv2
 		}
 	}
 
+	bool Image::setThumbnailFromJpegFile(const std::string path)
+	{
+		if(_dataRead)
+		{
+			try
+			{
+				_exifData.setJpegThumbnail(path);
+				return true;
+			}
+			catch(Exiv2::Error& e)
+			{
+				std::cerr << ">>> Image::setThumbnailFromJpegFile(): caught Exiv2 exception '" << e << "'";
+				return false;
+			}
+		}
+		else
+		{
+			std::cerr << ">>> Image::setThumbnailFromJpegFile(): metadata not read yet, call Image::readMetadata() first" << std::endl;
+			return false;
+		}
+	}
+
 } // End of namespace LibPyExiv2
diff --git a/src/libpyexiv2.hpp b/src/libpyexiv2.hpp
index 217da50..a4bb735 100644
--- a/src/libpyexiv2.hpp
+++ b/src/libpyexiv2.hpp
@@ -119,6 +119,11 @@ namespace LibPyExiv2
 		// Returns true if successful, false otherwise.
 		bool dumpThumbnailToFile(const std::string path);
 
+		// Sets the image contained in the jpeg file passed as a parameter as
+		// the thumbnail of the image.
+		// Returns true if successful, false otherwise.
+		bool setThumbnailFromJpegFile(const std::string path);
+
 	private:
 		std::string _filename;
 		Exiv2::Image::AutoPtr _image;
diff --git a/src/libpyexiv2_wrapper.cpp b/src/libpyexiv2_wrapper.cpp
index 7e00760..a84cd11 100644
--- a/src/libpyexiv2_wrapper.cpp
+++ b/src/libpyexiv2_wrapper.cpp
@@ -52,5 +52,6 @@ BOOST_PYTHON_MODULE(libpyexiv2)
 		.def("setThumbnailData", &Image::setThumbnailData)
 		.def("deleteThumbnail", &Image::deleteThumbnail)
 		.def("dumpThumbnailToFile", &Image::dumpThumbnailToFile)
+		.def("setThumbnailFromJpegFile", &Image::setThumbnailFromJpegFile)
 	;
 }
diff --git a/src/todo b/src/todo
index 52bda27..0ea0952 100644
--- a/src/todo
+++ b/src/todo
@@ -1,5 +1,6 @@
 todo list
 
-- Add support for thumbnail extraction
 - Add extensive unit tests
 - Document the binding
+- Provide examples on how to use the thumbnail extraction features with pygtk
+   and pyqt