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diff --git a/src/eom-image-jpeg.h b/src/eom-image-jpeg.h
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+#ifndef _EOM_IMAGE_JPEG_H_
+#define _EOM_IMAGE_JPEG_H_
+
+#if HAVE_JPEG
+
+#include <glib.h>
+#include "eom-image.h"
+#include "eom-image-save-info.h"
+
+/* Saves a source jpeg file in an arbitrary format (as specified by
+ * target). The target pointer may be NULL, in which case the output
+ * file is saved as jpeg too. This method tries to be as smart as
+ * possible. It will save the image as lossless as possible (if the
+ * target is a jpeg image too).
+ */
+G_GNUC_INTERNAL
+gboolean eom_image_jpeg_save_file (EomImage *image, const char *file,
+ EomImageSaveInfo *source, EomImageSaveInfo *target,
+ GError **error);
+#endif
+
+#endif /* _EOM_IMAGE_JPEG_H_ */