File indexing completed on 2024-04-28 11:38:33

 /*
     This file is part of the KDE libraries
 
     The Original Code is WOFF font packaging code.
     Copyright (C) 2009 Mozilla Corporation
 
     Contributor(s):
       Jonathan Kew <jfkthame@gmail.com>
       Germain Garand <germain@ebooksfrance.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef WOFF_H_
 #define WOFF_H_
 
 /* API for the decoding of WOFF (Web Open Font Format) font files */
 
 typedef enum {
     /* Success */
     eWOFF_ok = 0,
 
     /* Errors: no valid result returned */
     eWOFF_out_of_memory = 1,       /* malloc or realloc failed */
     eWOFF_invalid = 2,             /* invalid input file (e.g., bad offset) */
     eWOFF_compression_failure = 3, /* error in zlib call */
     eWOFF_bad_signature = 4,       /* unrecognized file signature */
     eWOFF_buffer_too_small = 5,    /* the provided buffer is too small */
     eWOFF_bad_parameter = 6,       /* bad parameter (e.g., null source ptr) */
     eWOFF_illegal_order = 7,       /* improperly ordered chunks in WOFF font */
 
     /* Warnings: call succeeded but something odd was noticed.
        Multiple warnings may be OR'd together. */
     eWOFF_warn_unknown_version = 0x0100,   /* unrecognized version of sfnt,
                                             not standard TrueType or CFF */
     eWOFF_warn_checksum_mismatch = 0x0200, /* bad checksum, use with caution;
                                             any DSIG will be invalid */
     eWOFF_warn_misaligned_table = 0x0400,  /* table not long-aligned; fixing,
                                             but DSIG will be invalid */
     eWOFF_warn_trailing_data = 0x0800,     /* trailing junk discarded,
                                             any DSIG may be invalid */
     eWOFF_warn_unpadded_table = 0x1000,    /* sfnt not correctly padded,
                                             any DSIG may be invalid */
     eWOFF_warn_removed_DSIG = 0x2000       /* removed digital signature
                                             while fixing checksum errors */
 } WOFFStatus;
 
 /* Note: status parameters must be initialized to eWOFF_ok before calling
    WOFF functions. If the status parameter contains an error code,
    functions will return immediately. */
 
 #define WOFF_SUCCESS(status) (((status) & 0xff) == eWOFF_ok)
 #define WOFF_FAILURE(status) (!WOFF_SUCCESS(status))
 #define WOFF_WARNING(status) ((status) & ~0xff)
 
 namespace WOFF
 {
 
 /*****************************************************************************
  * Returns the size of buffer needed to decode the font (or zero on error).
  */
 int getDecodedSize(const char *woffData, int woffLen, int *pStatus);
 
 /*****************************************************************************
  * Decodes WOFF font to a caller-supplied buffer of size bufferLen.
  * Returns the actual size of the decoded sfnt data in pActualSfntLen
  * (must be <= bufferLen, otherwise an error will be returned).
  */
 void decodeToBuffer(const char *woffData, int woffLen, char *sfntData, int bufferLen,
                     int *pActualSfntLen, int *pStatus);
 
 }
 
 #endif