Adding Canon AF Config Tag

src/canonmn_int.cpp

@@ -1299,6 +1299,7 @@ namespace Exiv2 {
          {0x0011, "VFDisplayIllumination", N_("VF Display Illumination"), N_("VF Display Illumination"), canonAfCId, makerTags, signedLong, -1, EXV_PRINT_TAG(canonAVFDisplayIllumination)},
          {0x0012, "AFStatusViewfinder", N_("AF Status Viewfinder"), N_("AF Status Viewfinder"), canonAfCId, makerTags, signedLong, -1, EXV_PRINT_TAG(canonAFStatusViewfinder)},
          {0x0013, "InitialAFPointInServo", N_("Initial AF Point In Servo"), N_("Initial AF Point In Servo"), canonAfCId, makerTags, signedLong, -1, EXV_PRINT_TAG(canonInitialAFPointInServo)},
+         (0xffff, "(UnknownCanonAFTag)", "(UnknownCanonAFTag)", N_("UnknownCanonAFTag"), canonAfCId, makerTags, signedLong, 1, printValue) // important to add end of tag              
     };
 
     const TagInfo* CanonMakerNote::tagListAfC()

src/tags_int.cpp

@@ -95,9 +95,10 @@ namespace Exiv2 {
         { canonAfMiAdjId,  "Makernote", "CanonAfMiAdj", CanonMakerNote::tagListAfMiAdj },
         { canonLeId,       "Makernote", "CanonLe",       CanonMakerNote::tagListLe     }, 
         { canonAmId,       "Makernote", "CanonAm",       CanonMakerNote::tagListAm     }, 
-        { canonFilId,      "Makernote", "CanonFil",       CanonMakerNote::tagListFil    }, 
-        { canonHdrId,      "Makernote", "CanonHdr",     CanonMakerNote::tagListHdr     }, 
+        { canonFilId,      "Makernote", "CanonFil",       CanonMakerNote::tagListFil   }, 
         { canonMeId,       "Makernote", "CanonMe",      CanonMakerNote::tagListMe      }, 
+        { canonHdrId,      "Makernote", "CanonHdr",     CanonMakerNote::tagListHdr     },         
+        { canonAfCId,       "Makernote", "CanonAfC",      CanonMakerNote::tagListAfC   },         
         { casioId,         "Makernote", "Casio",        CasioMakerNote::tagList        },
         { casio2Id,        "Makernote", "Casio2",       Casio2MakerNote::tagList       },
         { fujiId,          "Makernote", "Fujifilm",     FujiMakerNote::tagList         },

src/tiffimage_int.cpp

@@ -244,6 +244,18 @@ namespace Exiv2 {
         { 0, ttSignedLong, 1 }
     };
 
+        //! Canon AF Config Info binary array - configuration
+    extern const ArrayCfg canonAfCCfg = {
+        canonAfCId,        // Group for the elements
+        invalidByteOrder, // Use byte order from parent
+        ttSignedLong,  // Type for array entry and size element
+        notEncrypted,     // Not encrypted
+        true,             // Has a size element
+        false,            // No fillers
+        false,            // Don't concatenate gaps
+        { 0, ttSignedLong, 1 }
+    };
+
     //! Nikon Vibration Reduction binary array - configuration
     constexpr ArrayCfg nikonVrCfg = {
         nikonVrId,        // Group for the elements
@@ -1286,6 +1298,7 @@ namespace Exiv2 {
         { Tag::root, canonMeId,        canonId,          0x4021    },
         { Tag::root, canonFilId,       canonId,          0x4024    },
         { Tag::root, canonHdrId,       canonId,          0x4025    },
+        { Tag::root, canonAfCId,       canonId,          0x4028    },
         { Tag::root, nikon1Id,         exifId,           0x927c    },
         { Tag::root, nikon2Id,         exifId,           0x927c    },
         { Tag::root, nikon3Id,         exifId,           0x927c    },
@@ -1652,7 +1665,7 @@ namespace Exiv2 {
         {    0x4021, canonId,          EXV_SIMPLE_BINARY_ARRAY(canonMeCfg)       },
         {    0x4024, canonId,          EXV_SIMPLE_BINARY_ARRAY(canonFilCfg)      },        
         {    0x4025, canonId,          EXV_SIMPLE_BINARY_ARRAY(canonHdrCfg)      },
-        //{    0x4028, canonId,          EXV_SIMPLE_BINARY_ARRAY(canonAfCCfg)      },        
+        {    0x4028, canonId,          EXV_SIMPLE_BINARY_ARRAY(canonAfCCfg)      },        
         { Tag::next, canonId,          ignoreTiffComponent                       },
         {  Tag::all, canonId,          newTiffEntry                              },
 
@@ -1674,7 +1687,7 @@ namespace Exiv2 {
        {  Tag::all, canonMeId,         newTiffBinaryElement                      },
        {  Tag::all, canonFilId,        newTiffBinaryElement                      },       
        {  Tag::all, canonHdrId,        newTiffBinaryElement                      },
-       // {  Tag::all, canonAfCId,        newTiffBinaryElement                     },
+       {  Tag::all, canonAfCId,        newTiffBinaryElement                     },
 
         // Nikon1 makernote
         { Tag::next, nikon1Id,         ignoreTiffComponent                       },