core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c - Issue 815103002: Update freetype to 2.5.4.

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Adjust GYP and GN Created 6 years ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View side-by-side diff with in-line comments

« no previous file with comments | « core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.h ('k') | core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/tterrors.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

Index: core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c

deleted file mode 100644

index 4576ad9b74bb120eb110173054502ea3ed8dc4ce..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttdriver.c

+++ /dev/null

@@ -1,572 +0,0 @@

-/***************************************************************************/

-/* */

-/* ttdriver.c */

-/* */

-/* TrueType font driver implementation (body). */

-/* */

-/* 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. */

-/* */

-/***************************************************************************/

-#include "../../include/ft2build.h"

-#include "../../include/freetype/internal/ftdebug.h"

-#include "../../include/freetype/internal/ftstream.h"

-#include "../../include/freetype/internal/sfnt.h"

-#include "../../include/freetype/internal/services/svxf86nm.h"

-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT

-#include "../../include/freetype/ftmm.h"

-#include "../../include/freetype/internal/services/svmm.h"

-#endif

-#include "../../include/freetype/internal/services/svtteng.h"

-#include "../../include/freetype/internal/services/svttglyf.h"

-#include "../../include/freetype/internal/services/svprop.h"

-#include "../../include/freetype/ftttdrv.h"

-#include "ttdriver.h"

-#include "ttgload.h"

-#include "ttpload.h"

-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT

-#include "ttgxvar.h"

-#endif

-#include "tterrors.h"

-#include "ttpic.h"

- /*************************************************************************/

- /* */

- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */

- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */

- /* messages during execution. */

- /* */

-#undef FT_COMPONENT

-#define FT_COMPONENT trace_ttdriver

- /*

- * PROPERTY SERVICE

- *

- */

- static FT_Error

- tt_property_set( FT_Module module, /* TT_Driver */

- const char* property_name,

- const void* value )

- {

- FT_Error error = FT_Err_Ok;

- TT_Driver driver = (TT_Driver)module;

- if ( !ft_strcmp( property_name, "interpreter-version" ) )

- {

- FT_UInt* interpreter_version = (FT_UInt*)value;

-#ifndef TT_CONFIG_OPTION_SUBPIXEL_HINTING

- if ( *interpreter_version != TT_INTERPRETER_VERSION_35 )

- error = FT_ERR( Unimplemented_Feature );

- else

-#endif

- driver->interpreter_version = *interpreter_version;

- return error;

- }

- FT_TRACE0(( "tt_property_set: missing property `%s'\n",

- property_name ));

- return FT_THROW( Missing_Property );

- }

- static FT_Error

- tt_property_get( FT_Module module, /* TT_Driver */

- const char* property_name,

- const void* value )

- {

- FT_Error error = FT_Err_Ok;

- TT_Driver driver = (TT_Driver)module;

- FT_UInt interpreter_version = driver->interpreter_version;

- if ( !ft_strcmp( property_name, "interpreter-version" ) )

- {

- FT_UInt* val = (FT_UInt*)value;

- *val = interpreter_version;

- return error;

- }

- FT_TRACE0(( "tt_property_get: missing property `%s'\n",

- property_name ));

- return FT_THROW( Missing_Property );

- }

- FT_DEFINE_SERVICE_PROPERTIESREC(

- tt_service_properties,

- (FT_Properties_SetFunc)tt_property_set,

- (FT_Properties_GetFunc)tt_property_get )

- /*************************************************************************/

- /**** ****/

- /**** F A C E S ****/

- /**** ****/

- /*************************************************************************/

-#undef PAIR_TAG

-#define PAIR_TAG( left, right ) ( ( (FT_ULong)left << 16 ) | \

- (FT_ULong)right )

- /*************************************************************************/

- /* */

- /* <Function> */

- /* tt_get_kerning */

- /* */

- /* <Description> */

- /* A driver method used to return the kerning vector between two */

- /* glyphs of the same face. */

- /* */

- /* <Input> */

- /* face :: A handle to the source face object. */

- /* */

- /* left_glyph :: The index of the left glyph in the kern pair. */

- /* */

- /* right_glyph :: The index of the right glyph in the kern pair. */

- /* */

- /* <Output> */

- /* kerning :: The kerning vector. This is in font units for */

- /* scalable formats, and in pixels for fixed-sizes */

- /* formats. */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- /* <Note> */

- /* Only horizontal layouts (left-to-right & right-to-left) are */

- /* supported by this function. Other layouts, or more sophisticated */

- /* kernings, are out of scope of this method (the basic driver */

- /* interface is meant to be simple). */

- /* */

- /* They can be implemented by format-specific interfaces. */

- /* */

- static FT_Error

- tt_get_kerning( FT_Face ttface, /* TT_Face */

- FT_UInt left_glyph,

- FT_UInt right_glyph,

- FT_Vector* kerning )

- {

- TT_Face face = (TT_Face)ttface;

- SFNT_Service sfnt = (SFNT_Service)face->sfnt;

- kerning->x = 0;

- kerning->y = 0;

- if ( sfnt )

- kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph );

- return 0;

- }

-#undef PAIR_TAG

- static FT_Error

- tt_get_advances( FT_Face ttface,

- FT_UInt start,

- FT_UInt count,

- FT_Int32 flags,

- FT_Fixed *advances )

- {

- FT_UInt nn;

- TT_Face face = (TT_Face) ttface;

- /* XXX: TODO: check for sbits */

- if ( flags & FT_LOAD_VERTICAL_LAYOUT )

- {

- for ( nn = 0; nn < count; nn++ )

- {

- FT_Short tsb;

- FT_UShort ah;

- TT_Get_VMetrics( face, start + nn, &tsb, &ah );

- advances[nn] = ah;

- }

- else

- {

- for ( nn = 0; nn < count; nn++ )

- {

- FT_Short lsb;

- FT_UShort aw;

- TT_Get_HMetrics( face, start + nn, &lsb, &aw );

- advances[nn] = aw;

- }

- return FT_Err_Ok;

- }

- /*************************************************************************/

- /**** ****/

- /**** S I Z E S ****/

- /**** ****/

- /*************************************************************************/

-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS

- static FT_Error

- tt_size_select( FT_Size size,

- FT_ULong strike_index )

- {

- TT_Face ttface = (TT_Face)size->face;

- TT_Size ttsize = (TT_Size)size;

- FT_Error error = FT_Err_Ok;

- ttsize->strike_index = strike_index;

- if ( FT_IS_SCALABLE( size->face ) )

- {

- /* use the scaled metrics, even when tt_size_reset fails */

- FT_Select_Metrics( size->face, strike_index );

- tt_size_reset( ttsize );

- }

- else

- {

- SFNT_Service sfnt = (SFNT_Service) ttface->sfnt;

- FT_Size_Metrics* metrics = &size->metrics;

- error = sfnt->load_strike_metrics( ttface, strike_index, metrics );

- if ( error )

- ttsize->strike_index = 0xFFFFFFFFUL;

- }

- return error;

- }

-#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */

- static FT_Error

- tt_size_request( FT_Size size,

- FT_Size_Request req )

- {

- TT_Size ttsize = (TT_Size)size;

- FT_Error error = FT_Err_Ok;

-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS

- if ( FT_HAS_FIXED_SIZES( size->face ) )

- {

- TT_Face ttface = (TT_Face)size->face;

- SFNT_Service sfnt = (SFNT_Service) ttface->sfnt;

- FT_ULong strike_index;

- error = sfnt->set_sbit_strike( ttface, req, &strike_index );

- if ( error )

- ttsize->strike_index = 0xFFFFFFFFUL;

- else

- return tt_size_select( size, strike_index );

- }

-#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */

- FT_Request_Metrics( size->face, req );

- if ( FT_IS_SCALABLE( size->face ) )

- {

- error = tt_size_reset( ttsize );

- ttsize->root.metrics = ttsize->metrics;

- }

- return error;

- }

- /*************************************************************************/

- /* */

- /* <Function> */

- /* tt_glyph_load */

- /* */

- /* <Description> */

- /* A driver method used to load a glyph within a given glyph slot. */

- /* */

- /* <Input> */

- /* slot :: A handle to the target slot object where the glyph */

- /* will be loaded. */

- /* */

- /* size :: A handle to the source face size at which the glyph */

- /* must be scaled, loaded, etc. */

- /* */

- /* glyph_index :: The index of the glyph in the font file. */

- /* */

- /* load_flags :: A flag indicating what to load for this glyph. The */

- /* FT_LOAD_XXX constants can be used to control the */

- /* glyph loading process (e.g., whether the outline */

- /* should be scaled, whether to load bitmaps or not, */

- /* whether to hint the outline, etc). */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- static FT_Error

- tt_glyph_load( FT_GlyphSlot ttslot, /* TT_GlyphSlot */

- FT_Size ttsize, /* TT_Size */

- FT_UInt glyph_index,

- FT_Int32 load_flags )

- {

- TT_GlyphSlot slot = (TT_GlyphSlot)ttslot;

- TT_Size size = (TT_Size)ttsize;

- FT_Face face = ttslot->face;

- FT_Error error;

- if ( !slot )

- return FT_THROW( Invalid_Slot_Handle );

- if ( !size )

- return FT_THROW( Invalid_Size_Handle );

- if ( !face )

- return FT_THROW( Invalid_Argument );

-#ifdef FT_CONFIG_OPTION_INCREMENTAL

- if ( glyph_index >= (FT_UInt)face->num_glyphs &&

- !face->internal->incremental_interface )

-#else

- if ( glyph_index >= (FT_UInt)face->num_glyphs )

-#endif

- return FT_THROW( Invalid_Argument );

- if ( load_flags & FT_LOAD_NO_HINTING )

- {

- /* both FT_LOAD_NO_HINTING and FT_LOAD_NO_AUTOHINT */

- /* are necessary to disable hinting for tricky fonts */

- if ( FT_IS_TRICKY( face ) )

- load_flags &= ~FT_LOAD_NO_HINTING;

- if ( load_flags & FT_LOAD_NO_AUTOHINT )

- load_flags |= FT_LOAD_NO_HINTING;

- }

- if ( load_flags & ( FT_LOAD_NO_RECURSE | FT_LOAD_NO_SCALE ) )

- {

- load_flags |= FT_LOAD_NO_BITMAP | FT_LOAD_NO_SCALE;

- if ( !FT_IS_TRICKY( face ) )

- load_flags |= FT_LOAD_NO_HINTING;

- }

- /* now load the glyph outline if necessary */

- error = TT_Load_Glyph( size, slot, glyph_index, load_flags );

- /* force drop-out mode to 2 - irrelevant now */

- /* slot->outline.dropout_mode = 2; */

- return error;

- }

- /*************************************************************************/

- /**** ****/

- /**** D R I V E R I N T E R F A C E ****/

- /**** ****/

- /*************************************************************************/

-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT

- FT_DEFINE_SERVICE_MULTIMASTERSREC(

- tt_service_gx_multi_masters,

- (FT_Get_MM_Func) NULL,

- (FT_Set_MM_Design_Func) NULL,

- (FT_Set_MM_Blend_Func) TT_Set_MM_Blend,

- (FT_Get_MM_Var_Func) TT_Get_MM_Var,

- (FT_Set_Var_Design_Func)TT_Set_Var_Design )

-#endif

- static const FT_Service_TrueTypeEngineRec tt_service_truetype_engine =

- {

-#ifdef TT_USE_BYTECODE_INTERPRETER

-#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING

- FT_TRUETYPE_ENGINE_TYPE_UNPATENTED

-#else

- FT_TRUETYPE_ENGINE_TYPE_PATENTED

-#endif

-#else /* !TT_USE_BYTECODE_INTERPRETER */

- FT_TRUETYPE_ENGINE_TYPE_NONE

-#endif /* TT_USE_BYTECODE_INTERPRETER */

- };

- FT_DEFINE_SERVICE_TTGLYFREC(

- tt_service_truetype_glyf,

- (TT_Glyf_GetLocationFunc)tt_face_get_location )

-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT

- FT_DEFINE_SERVICEDESCREC5(

- tt_services,

- FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TRUETYPE,

- FT_SERVICE_ID_MULTI_MASTERS, &TT_SERVICE_GX_MULTI_MASTERS_GET,

- FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine,

- FT_SERVICE_ID_TT_GLYF, &TT_SERVICE_TRUETYPE_GLYF_GET,

- FT_SERVICE_ID_PROPERTIES, &TT_SERVICE_PROPERTIES_GET )

-#else

- FT_DEFINE_SERVICEDESCREC4(

- tt_services,

- FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TRUETYPE,

- FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine,

- FT_SERVICE_ID_TT_GLYF, &TT_SERVICE_TRUETYPE_GLYF_GET,

- FT_SERVICE_ID_PROPERTIES, &TT_SERVICE_PROPERTIES_GET )

-#endif

- FT_CALLBACK_DEF( FT_Module_Interface )

- tt_get_interface( FT_Module driver, /* TT_Driver */

- const char* tt_interface )

- {

- FT_Library library;

- FT_Module_Interface result;

- FT_Module sfntd;

- SFNT_Service sfnt;

- /* TT_SERVICES_GET derefers `library' in PIC mode */

-#ifdef FT_CONFIG_OPTION_PIC

- if ( !driver )

- return NULL;

- library = driver->library;

- if ( !library )

- return NULL;

-#endif

- result = ft_service_list_lookup( TT_SERVICES_GET, tt_interface );

- if ( result != NULL )

- return result;

-#ifndef FT_CONFIG_OPTION_PIC

- if ( !driver )

- return NULL;

- library = driver->library;

- if ( !library )

- return NULL;

-#endif

- /* only return the default interface from the SFNT module */

- sfntd = FT_Get_Module( library, "sfnt" );

- if ( sfntd )

- {

- sfnt = (SFNT_Service)( sfntd->clazz->module_interface );

- if ( sfnt )

- return sfnt->get_interface( driver, tt_interface );

- }

- return 0;

- }

- /* The FT_DriverInterface structure is defined in ftdriver.h. */

-#ifdef TT_USE_BYTECODE_INTERPRETER

-#define TT_HINTER_FLAG FT_MODULE_DRIVER_HAS_HINTER

-#else

-#define TT_HINTER_FLAG 0

-#endif

-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS

-#define TT_SIZE_SELECT tt_size_select

-#else

-#define TT_SIZE_SELECT 0

-#endif

- FT_DEFINE_DRIVER(

- tt_driver_class,

- FT_MODULE_FONT_DRIVER |

- FT_MODULE_DRIVER_SCALABLE |

- TT_HINTER_FLAG,

- sizeof ( TT_DriverRec ),

- "truetype_xyq", /* driver name */

- 0x10000L, /* driver version == 1.0 */

- 0x20000L, /* driver requires FreeType 2.0 or above */

- (void*)0, /* driver specific interface */

- tt_driver_init,

- tt_driver_done,

- tt_get_interface,

- sizeof ( TT_FaceRec ),

- sizeof ( TT_SizeRec ),

- sizeof ( FT_GlyphSlotRec ),

- tt_face_init,

- tt_face_done,

- tt_size_init,

- tt_size_done,

- tt_slot_init,

- 0, /* FT_Slot_DoneFunc */

- tt_glyph_load,

- tt_get_kerning,

- 0, /* FT_Face_AttachFunc */

- tt_get_advances,

- tt_size_request,

- TT_SIZE_SELECT

- )

-/* END */