Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/include/freetype/internal/ftrfork.h

Index: third_party/freetype2/src/include/freetype/internal/ftrfork.h
diff --git a/third_party/freetype2/src/include/freetype/internal/ftrfork.h b/third_party/freetype2/src/include/freetype/internal/ftrfork.h
new file mode 100644
index 0000000000000000000000000000000000000000..da61ca75b53339d849accd97bcc35d6196026c1c
--- /dev/null
+++ b/third_party/freetype2/src/include/freetype/internal/ftrfork.h
@@ -0,0 +1,266 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftrfork.h                                                              */
+/*                                                                         */
+/*    Embedded resource forks accessor (specification).                    */
+/*                                                                         */
+/*  Copyright 2004-2015 by                                                 */
+/*  Masatake YAMATO and Redhat K.K.                                        */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+/***************************************************************************/
+/* Development of the code in this file is support of                      */
+/* Information-technology Promotion Agency, Japan.                         */
+/***************************************************************************/
+
+
+#ifndef __FTRFORK_H__
+#define __FTRFORK_H__
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_OBJECTS_H
+
+
+FT_BEGIN_HEADER
+
+
+  /* Number of guessing rules supported in `FT_Raccess_Guess'.            */
+  /* Don't forget to increment the number if you add a new guessing rule. */
+#define FT_RACCESS_N_RULES  9
+
+
+  /* A structure to describe a reference in a resource by its resource ID */
+  /* and internal offset.  The `POST' resource expects to be concatenated */
+  /* by the order of resource IDs instead of its appearance in the file.  */
+
+  typedef struct  FT_RFork_Ref_
+  {
+    FT_UShort  res_id;
+    FT_Long    offset;
+
+  } FT_RFork_Ref;
+
+#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
+  typedef FT_Error
+  (*ft_raccess_guess_func)( FT_Library  library,
+                            FT_Stream   stream,
+                            char       *base_file_name,
+                            char      **result_file_name,
+                            FT_Long    *result_offset );
+
+  typedef enum  FT_RFork_Rule_ {
+    FT_RFork_Rule_invalid = -2,
+    FT_RFork_Rule_uknown, /* -1 */
+    FT_RFork_Rule_apple_double,
+    FT_RFork_Rule_apple_single,
+    FT_RFork_Rule_darwin_ufs_export,
+    FT_RFork_Rule_darwin_newvfs,
+    FT_RFork_Rule_darwin_hfsplus,
+    FT_RFork_Rule_vfat,
+    FT_RFork_Rule_linux_cap,
+    FT_RFork_Rule_linux_double,
+    FT_RFork_Rule_linux_netatalk
+  } FT_RFork_Rule;
+
+  /* For fast translation between rule index and rule type,
+   * the macros FT_RFORK_xxx should be kept consistent with
+   * the raccess_guess_funcs table
+   */
+  typedef struct ft_raccess_guess_rec_ {
+    ft_raccess_guess_func  func;
+    FT_RFork_Rule          type;
+  } ft_raccess_guess_rec;
+
+#ifndef FT_CONFIG_OPTION_PIC
+
+  /* this array is a storage in non-PIC mode, so ; is needed in END */
+#define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type )  \
+          static const type name[] = {
+#define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix )  \
+          { raccess_guess_ ## func_suffix,                           \
+            FT_RFork_Rule_ ## type_suffix },
+#define CONST_FT_RFORK_RULE_ARRAY_END  };
+
+#else /* FT_CONFIG_OPTION_PIC */
+
+  /* this array is a function in PIC mode, so no ; is needed in END */
+#define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type )  \
+          void                                         \
+          FT_Init_Table_ ## name( type*  storage )     \
+          {                                            \
+            type*  local = storage;                    \
+                                                       \
+                                                       \
+            int  i = 0;
+#define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix )  \
+          local[i].func = raccess_guess_ ## func_suffix;             \
+          local[i].type = FT_RFork_Rule_ ## type_suffix;             \
+          i++;
+#define CONST_FT_RFORK_RULE_ARRAY_END  }
+
+#endif /* FT_CONFIG_OPTION_PIC */
+
+#endif /* FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    FT_Raccess_Guess                                                   */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Guess a file name and offset where the actual resource fork is     */
+  /*    stored.  The macro FT_RACCESS_N_RULES holds the number of          */
+  /*    guessing rules;  the guessed result for the Nth rule is            */
+  /*    represented as a triplet: a new file name (new_names[N]), a file   */
+  /*    offset (offsets[N]), and an error code (errors[N]).                */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    library ::                                                         */
+  /*      A FreeType library instance.                                     */
+  /*                                                                       */
+  /*    stream ::                                                          */
+  /*      A file stream containing the resource fork.                      */
+  /*                                                                       */
+  /*    base_name ::                                                       */
+  /*      The (base) file name of the resource fork used for some          */
+  /*      guessing rules.                                                  */
+  /*                                                                       */
+  /* <Output>                                                              */
+  /*    new_names ::                                                       */
+  /*      An array of guessed file names in which the resource forks may   */
+  /*      exist.  If `new_names[N]' is NULL, the guessed file name is      */
+  /*      equal to `base_name'.                                            */
+  /*                                                                       */
+  /*    offsets ::                                                         */
+  /*      An array of guessed file offsets.  `offsets[N]' holds the file   */
+  /*      offset of the possible start of the resource fork in file        */
+  /*      `new_names[N]'.                                                  */
+  /*                                                                       */
+  /*    errors ::                                                          */
+  /*      An array of FreeType error codes.  `errors[N]' is the error      */
+  /*      code of Nth guessing rule function.  If `errors[N]' is not       */
+  /*      FT_Err_Ok, `new_names[N]' and `offsets[N]' are meaningless.      */
+  /*                                                                       */
+  FT_BASE( void )
+  FT_Raccess_Guess( FT_Library  library,
+                    FT_Stream   stream,
+                    char*       base_name,
+                    char**      new_names,
+                    FT_Long*    offsets,
+                    FT_Error*   errors );
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    FT_Raccess_Get_HeaderInfo                                          */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Get the information from the header of resource fork.  The         */
+  /*    information includes the file offset where the resource map        */
+  /*    starts, and the file offset where the resource data starts.        */
+  /*    `FT_Raccess_Get_DataOffsets' requires these two data.              */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    library ::                                                         */
+  /*      A FreeType library instance.                                     */
+  /*                                                                       */
+  /*    stream ::                                                          */
+  /*      A file stream containing the resource fork.                      */
+  /*                                                                       */
+  /*    rfork_offset ::                                                    */
+  /*      The file offset where the resource fork starts.                  */
+  /*                                                                       */
+  /* <Output>                                                              */
+  /*    map_offset ::                                                      */
+  /*      The file offset where the resource map starts.                   */
+  /*                                                                       */
+  /*    rdata_pos ::                                                       */
+  /*      The file offset where the resource data starts.                  */
+  /*                                                                       */
+  /* <Return>                                                              */
+  /*    FreeType error code.  FT_Err_Ok means success.                     */
+  /*                                                                       */
+  FT_BASE( FT_Error )
+  FT_Raccess_Get_HeaderInfo( FT_Library  library,
+                             FT_Stream   stream,
+                             FT_Long     rfork_offset,
+                             FT_Long    *map_offset,
+                             FT_Long    *rdata_pos );
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    FT_Raccess_Get_DataOffsets                                         */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Get the data offsets for a tag in a resource fork.  Offsets are    */
+  /*    stored in an array because, in some cases, resources in a resource */
+  /*    fork have the same tag.                                            */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    library ::                                                         */
+  /*      A FreeType library instance.                                     */
+  /*                                                                       */
+  /*    stream ::                                                          */
+  /*      A file stream containing the resource fork.                      */
+  /*                                                                       */
+  /*    map_offset ::                                                      */
+  /*      The file offset where the resource map starts.                   */
+  /*                                                                       */
+  /*    rdata_pos ::                                                       */
+  /*      The file offset where the resource data starts.                  */
+  /*                                                                       */
+  /*    tag ::                                                             */
+  /*      The resource tag.                                                */
+  /*                                                                       */
+  /*    sort_by_res_id ::                                                  */
+  /*      A Boolean to sort the fragmented resource by their ids.          */
+  /*      The fragmented resources for `POST' resource should be sorted    */
+  /*      to restore Type1 font properly.  For `snft' resources, sorting   */
+  /*      may induce a different order of the faces in comparison to that  */
+  /*      by QuickDraw API.                                                */
+  /*                                                                       */
+  /* <Output>                                                              */
+  /*    offsets ::                                                         */
+  /*      The stream offsets for the resource data specified by `tag'.     */
+  /*      This array is allocated by the function, so you have to call     */
+  /*      @ft_mem_free after use.                                          */
+  /*                                                                       */
+  /*    count ::                                                           */
+  /*      The length of offsets array.                                     */
+  /*                                                                       */
+  /* <Return>                                                              */
+  /*    FreeType error code.  FT_Err_Ok means success.                     */
+  /*                                                                       */
+  /* <Note>                                                                */
+  /*    Normally you should use `FT_Raccess_Get_HeaderInfo' to get the     */
+  /*    value for `map_offset' and `rdata_pos'.                            */
+  /*                                                                       */
+  FT_BASE( FT_Error )
+  FT_Raccess_Get_DataOffsets( FT_Library  library,
+                              FT_Stream   stream,
+                              FT_Long     map_offset,
+                              FT_Long     rdata_pos,
+                              FT_Long     tag,
+                              FT_Bool     sort_by_res_id,
+                              FT_Long   **offsets,
+                              FT_Long    *count );
+
+
+FT_END_HEADER
+
+#endif /* __FTRFORK_H__ */
+
+
+/* END */