crw preview support with exiv2

diff --git a/src/exiv2.cc b/src/exiv2.cc
index 4fbafb9..a785d42 100644 (file)
--- a/src/exiv2.cc
+++ b/src/exiv2.cc
@@ -20,6 +20,7 @@
 #include <exiv2/tiffvisitor.hpp>
 #include <exiv2/tiffimage.hpp>
 #include <exiv2/cr2image.hpp>
+#include <exiv2/crwimage.hpp>
 #include <exiv2/orfimage.hpp>
 #include <exiv2/rafimage.hpp>
 #include <exiv2/futils.hpp>
@@ -537,6 +538,15 @@ RawFile::RawFile(int fd) : map_data(NULL), map_len(0), offset(0)
                        if (map_len < 84 + 4) throw Error(14);
                        offset = getULong(map_data + 84, bigEndian);
                        return;
+               case Exiv2::ImageType::crw:
+                       {
+                       // Parse the image, starting with a CIFF header component
+                       Exiv2::CiffHeader::AutoPtr parseTree(new Exiv2::CiffHeader);
+                       parseTree->read(map_data, map_len);
+                       CiffComponent *entry = parseTree->findComponent(0x2007, 0); 
+                       if (entry) offset =  entry->pData() - map_data;
+                       return;
+                       }
 
                default:
                        throw Error(3, "RAW");