diff options
Diffstat (limited to 'third_party/freetype/include/freetype/internal/ftvalid.h')
-rw-r--r-- | third_party/freetype/include/freetype/internal/ftvalid.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/third_party/freetype/include/freetype/internal/ftvalid.h b/third_party/freetype/include/freetype/internal/ftvalid.h deleted file mode 100644 index df6f7c5778..0000000000 --- a/third_party/freetype/include/freetype/internal/ftvalid.h +++ /dev/null @@ -1,159 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftvalid.h */ -/* */ -/* FreeType validation support (specification). */ -/* */ -/* Copyright 2004-2017 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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. */ -/* */ -/***************************************************************************/ - - -#ifndef FTVALID_H_ -#define FTVALID_H_ - -#include <ft2build.h> -#include FT_CONFIG_STANDARD_LIBRARY_H /* for ft_setjmp and ft_longjmp */ - - -FT_BEGIN_HEADER - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** V A L I D A T I O N ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - /* handle to a validation object */ - typedef struct FT_ValidatorRec_ volatile* FT_Validator; - - - /*************************************************************************/ - /* */ - /* There are three distinct validation levels defined here: */ - /* */ - /* FT_VALIDATE_DEFAULT :: */ - /* A table that passes this validation level can be used reliably by */ - /* FreeType. It generally means that all offsets have been checked to */ - /* prevent out-of-bound reads, that array counts are correct, etc. */ - /* */ - /* FT_VALIDATE_TIGHT :: */ - /* A table that passes this validation level can be used reliably and */ - /* doesn't contain invalid data. For example, a charmap table that */ - /* returns invalid glyph indices will not pass, even though it can */ - /* be used with FreeType in default mode (the library will simply */ - /* return an error later when trying to load the glyph). */ - /* */ - /* It also checks that fields which must be a multiple of 2, 4, or 8, */ - /* don't have incorrect values, etc. */ - /* */ - /* FT_VALIDATE_PARANOID :: */ - /* Only for font debugging. Checks that a table follows the */ - /* specification by 100%. Very few fonts will be able to pass this */ - /* level anyway but it can be useful for certain tools like font */ - /* editors/converters. */ - /* */ - typedef enum FT_ValidationLevel_ - { - FT_VALIDATE_DEFAULT = 0, - FT_VALIDATE_TIGHT, - FT_VALIDATE_PARANOID - - } FT_ValidationLevel; - - -#if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ - /* We disable the warning `structure was padded due to */ - /* __declspec(align())' in order to compile cleanly with */ - /* the maximum level of warnings. */ -#pragma warning( push ) -#pragma warning( disable : 4324 ) -#endif /* _MSC_VER */ - - /* validator structure */ - typedef struct FT_ValidatorRec_ - { - ft_jmp_buf jump_buffer; /* used for exception handling */ - - const FT_Byte* base; /* address of table in memory */ - const FT_Byte* limit; /* `base' + sizeof(table) in memory */ - FT_ValidationLevel level; /* validation level */ - FT_Error error; /* error returned. 0 means success */ - - } FT_ValidatorRec; - -#if defined( _MSC_VER ) -#pragma warning( pop ) -#endif - -#define FT_VALIDATOR( x ) ( (FT_Validator)( x ) ) - - - FT_BASE( void ) - ft_validator_init( FT_Validator valid, - const FT_Byte* base, - const FT_Byte* limit, - FT_ValidationLevel level ); - - /* Do not use this. It's broken and will cause your validator to crash */ - /* if you run it on an invalid font. */ - FT_BASE( FT_Int ) - ft_validator_run( FT_Validator valid ); - - /* Sets the error field in a validator, then calls `longjmp' to return */ - /* to high-level caller. Using `setjmp/longjmp' avoids many stupid */ - /* error checks within the validation routines. */ - /* */ - FT_BASE( void ) - ft_validator_error( FT_Validator valid, - FT_Error error ); - - - /* Calls ft_validate_error. Assumes that the `valid' local variable */ - /* holds a pointer to the current validator object. */ - /* */ -#define FT_INVALID( _error ) FT_INVALID_( _error ) -#define FT_INVALID_( _error ) \ - ft_validator_error( valid, FT_THROW( _error ) ) - - /* called when a broken table is detected */ -#define FT_INVALID_TOO_SHORT \ - FT_INVALID( Invalid_Table ) - - /* called when an invalid offset is detected */ -#define FT_INVALID_OFFSET \ - FT_INVALID( Invalid_Offset ) - - /* called when an invalid format/value is detected */ -#define FT_INVALID_FORMAT \ - FT_INVALID( Invalid_Table ) - - /* called when an invalid glyph index is detected */ -#define FT_INVALID_GLYPH_ID \ - FT_INVALID( Invalid_Glyph_Index ) - - /* called when an invalid field value is detected */ -#define FT_INVALID_DATA \ - FT_INVALID( Invalid_Table ) - - -FT_END_HEADER - -#endif /* FTVALID_H_ */ - - -/* END */ |