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* include/freetype/ftmodapi.h, include/internal/ftserv.h, 

include/internal/services/svtteng.h, src/base/ftobjs.c,
    src/truetype/ttdriver.c:

    adding a new API named FT_Get_TrueType_Engine_Type to determine
    wether we have a patented, unpatented or unimplemented TrueType
    bytecode interpreter.

    the FT_Get_Module_Flags API was removed consequently.
This commit is contained in:
David Turner 2006-02-21 22:36:23 +00:00
parent 44c865dfe1
commit 0b5dc4df88
7 changed files with 112 additions and 46 deletions
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12
ChangeLog
View File

@ -1,5 +1,15 @@
2006-02-21 David Turner <david@freetype.org> 2006-02-21 David Turner <david@freetype.org>
* include/freetype/ftmodapi.h, include/internal/ftserv.h,
include/internal/services/svtteng.h, src/base/ftobjs.c,
src/truetype/ttdriver.c:
adding a new API named FT_Get_TrueType_Engine_Type to determine
wether we have a patented, unpatented or unimplemented TrueType
bytecode interpreter.
the FT_Get_Module_Flags API was removed consequently.
* src/sfnt/sfobjs.c (sfnt_face_load): fixed silly bug that * src/sfnt/sfobjs.c (sfnt_face_load): fixed silly bug that
prevented embedded bitmaps from being correctly listed and used prevented embedded bitmaps from being correctly listed and used
@ -11,7 +21,7 @@
2006-02-20 David Turner <david@freetype.org> 2006-02-20 David Turner <david@freetype.org>
Support binary compatibility with the X.Org server's Xfont library. Support binary compatibility with the X.Org server's Xfont library.
Note that this change unfortunately prevents memory optimizations Note that this change unfortunately prevents memory optimizations
for the embedded bitmap loader. for the embedded bitmap loader.

2
include/freetype/config/ftoption.h
View File

@ -448,7 +448,7 @@ FT_BEGIN_HEADER
/* FT_PARAM_TAG_UNPATENTED_HINTING; or when the debug hook */ /* FT_PARAM_TAG_UNPATENTED_HINTING; or when the debug hook */
/* FT_DEBUG_HOOK_UNPATENTED_HINTING is globally activated. */ /* FT_DEBUG_HOOK_UNPATENTED_HINTING is globally activated. */
/* */ /* */
#define TT_CONFIG_OPTION_UNPATENTED_HINTING #define xxTT_CONFIG_OPTION_UNPATENTED_HINTING
/*************************************************************************/ /*************************************************************************/

79
include/freetype/ftmodapi.h
View File

@ -84,7 +84,7 @@ FT_BEGIN_HEADER
typedef void typedef void
(*FT_Module_Destructor)( FT_Module module ); (*FT_Module_Destructor)( FT_Module module );
typedef FT_Module_Interface typedef FT_Module_Interface
(*FT_Module_Requester)( FT_Module module, (*FT_Module_Requester)( FT_Module module,
const char* name ); const char* name );
@ -213,28 +213,6 @@ FT_BEGIN_HEADER
FT_Module module ); FT_Module module );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Module_Get_Flags */
/* */
/* <Description> */
/* Gets the module flags for a given module. */
/* */
/* <Input> */
/* module :: A handle to a module object. */
/* */
/* <Output> */
/* flags :: The module's flags. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_EXPORT( FT_Error )
FT_Module_Get_Flags( FT_Module module,
FT_ULong* flags );
/*************************************************************************/ /*************************************************************************/
/* */ /* */
/* <Function> */ /* <Function> */
@ -329,6 +307,61 @@ FT_BEGIN_HEADER
FT_Add_Default_Modules( FT_Library library ); FT_Add_Default_Modules( FT_Library library );
/**
* @enum: FT_TrueTypeEngineType
*
* @description:
* a list of values describing which kind of truetype bytecode
* engine is implemented in a given FT_Library instance. It is used
* by the @FT_Get_TrueType_Engine_Type function
*
* @values:
* FT_TRUETYPE_ENGINE_TYPE_NONE ::
* the library doesn't implement any kind of bytecode interpreter
*
* FT_TRUETYPE_ENGINE_TYPE_UNPATENTED ::
* the library implements a bytecode interpreter that doesn't
* support the patented operations of the TrueType virtual machine.
*
* this interpreter can only be used to load certain Asian fonts
* from Dynalabs. It will produce crap output for any other font.
* see @
*
* FT_TRUETYPE_ENGINE_TYPE_PATENTED ::
* the library implements a bytecode interpreter that covers
* the full instruction set of the TrueType virtual machine.
* Better check your legal department for license compliance !!
*
* @since: 2.2
*/
typedef enum
{
FT_TRUETYPE_ENGINE_TYPE_NONE = 0,
FT_TRUETYPE_ENGINE_TYPE_UNPATENTED,
FT_TRUETYPE_ENGINE_TYPE_PATENTED
} FT_TrueTypeEngineType;
/**
* @func: FT_Get_TrueType_Engine_Type
*
* @description:
* this function returns a @FT_TrueTypeEngineType value to indicates
* which level of the TrueType virtual machine a given library instance
* supports.
*
* @input:
* library :: a library instance
*
* @return:
* a value indicating which level is supported
*
* @since: 2.2
*/
FT_EXPORT( FT_TrueTypeEngineType )
FT_Get_TrueType_Engine_Type( FT_Library library );
/* */ /* */

1
include/freetype/internal/ftserv.h
View File

@ -314,6 +314,7 @@ FT_BEGIN_HEADER
#define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h> #define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h>
#define FT_SERVICE_XFREE86_NAME_H <freetype/internal/services/svxf86nm.h> #define FT_SERVICE_XFREE86_NAME_H <freetype/internal/services/svxf86nm.h>
#define FT_SERVICE_KERNING_H <freetype/internal/services/svkern.h> #define FT_SERVICE_KERNING_H <freetype/internal/services/svkern.h>
#define FT_SERVICE_TRUETYPE_ENGINE_H <freetype/internal/services/svtteng.h>
/* */ /* */

8
include/freetype/internal/services/svsfnt.h
View File

@ -63,14 +63,14 @@ FT_BEGIN_HEADER
FT_DEFINE_SERVICE( SFNT_Table ) FT_DEFINE_SERVICE( SFNT_Table )
{ {
FT_SFNT_TableLoadFunc load_table; FT_SFNT_TableLoadFunc load_table;
FT_SFNT_TableGetFunc get_table; FT_SFNT_TableGetFunc get_table;
FT_SFNT_TableInfoFunc table_info; FT_SFNT_TableInfoFunc table_info;
}; };
/* */ /* */
FT_END_HEADER FT_END_HEADER

41
src/base/ftobjs.c
View File

@ -34,6 +34,7 @@
#include FT_SERVICE_GLYPH_DICT_H #include FT_SERVICE_GLYPH_DICT_H
#include FT_SERVICE_TT_CMAP_H #include FT_SERVICE_TT_CMAP_H
#include FT_SERVICE_KERNING_H #include FT_SERVICE_KERNING_H
#include FT_SERVICE_TRUETYPE_ENGINE_H
FT_BASE_DEF( FT_Pointer ) FT_BASE_DEF( FT_Pointer )
@ -3408,23 +3409,6 @@
} }
/* documentation is in ftmodapi.h */
FT_EXPORT_DEF( FT_Error )
FT_Module_Get_Flags( FT_Module module,
FT_ULong* flags )
{
if ( !module )
return FT_Err_Invalid_Driver_Handle;
if ( !flags )
return FT_Err_Invalid_Argument;
*flags = module->clazz->module_flags;
return FT_Err_Ok;
}
/* documentation is in ftobjs.h */ /* documentation is in ftobjs.h */
FT_BASE_DEF( const void* ) FT_BASE_DEF( const void* )
@ -3675,6 +3659,29 @@
} }
/* documentation is in ftmodapi.h */
FT_EXPORT_DEF( FT_TrueTypeEngineType )
FT_Get_TrueType_Engine_Type( FT_Library library )
{
FT_TrueTypeEngineType result = FT_TRUETYPE_ENGINE_TYPE_NONE;
if ( library )
{
FT_Module module = FT_Get_Module( library, "truetype" );
if ( module )
{
FT_Service_TrueTypeEngine service;
service = ft_module_get_service( module, FT_SERVICE_ID_TRUETYPE_ENGINE );
if ( service )
result = service->engine_type;
}
}
return result;
}
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS #ifdef FT_CONFIG_OPTION_OLD_INTERNALS
FT_BASE_DEF( FT_Error ) FT_BASE_DEF( FT_Error )

15
src/truetype/ttdriver.c
View File

@ -28,6 +28,8 @@
#include FT_SERVICE_MULTIPLE_MASTERS_H #include FT_SERVICE_MULTIPLE_MASTERS_H
#endif #endif
#include FT_SERVICE_TRUETYPE_ENGINE_H
#include "ttdriver.h" #include "ttdriver.h"
#include "ttgload.h" #include "ttgload.h"
@ -290,6 +292,18 @@
}; };
#endif #endif
static const FT_Service_TrueTypeEngineRec tt_service_truetype_engine =
{
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
# ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
FT_TRUETYPE_ENGINE_TYPE_UNPATENTED
# else
FT_TRUETYPE_ENGINE_TYPE_PATENTED
# endif
#else
FT_TRUETYPE_ENGINE_TYPE_NONE
#endif
};
static const FT_ServiceDescRec tt_services[] = static const FT_ServiceDescRec tt_services[] =
{ {
@ -297,6 +311,7 @@
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
{ FT_SERVICE_ID_MULTI_MASTERS, &tt_service_gx_multi_masters }, { FT_SERVICE_ID_MULTI_MASTERS, &tt_service_gx_multi_masters },
#endif #endif
{ FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine },
{ NULL, NULL } { NULL, NULL }
}; };