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-rw-r--r--src/truetype/ttobjs.c943
1 files changed, 0 insertions, 943 deletions
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
deleted file mode 100644
index 801559f..0000000
--- a/src/truetype/ttobjs.c
+++ /dev/null
@@ -1,943 +0,0 @@
-/***************************************************************************/
-/* */
-/* ttobjs.c */
-/* */
-/* Objects manager (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 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. */
-/* */
-/***************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_CALC_H
-#include FT_INTERNAL_STREAM_H
-#include FT_TRUETYPE_IDS_H
-#include FT_TRUETYPE_TAGS_H
-#include FT_INTERNAL_SFNT_H
-
-#include "ttgload.h"
-#include "ttpload.h"
-
-#include "tterrors.h"
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
-#include "ttinterp.h"
-#endif
-
-#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
-#include FT_TRUETYPE_UNPATENTED_H
-#endif
-
-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
-#include "ttgxvar.h"
-#endif
-
- /*************************************************************************/
- /* */
- /* 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_ttobjs
-
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
-
- /*************************************************************************/
- /* */
- /* GLYPH ZONE FUNCTIONS */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_glyphzone_done */
- /* */
- /* <Description> */
- /* Deallocate a glyph zone. */
- /* */
- /* <Input> */
- /* zone :: A pointer to the target glyph zone. */
- /* */
- FT_LOCAL_DEF( void )
- tt_glyphzone_done( TT_GlyphZone zone )
- {
- FT_Memory memory = zone->memory;
-
-
- if ( memory )
- {
- FT_FREE( zone->contours );
- FT_FREE( zone->tags );
- FT_FREE( zone->cur );
- FT_FREE( zone->org );
- FT_FREE( zone->orus );
-
- zone->max_points = zone->n_points = 0;
- zone->max_contours = zone->n_contours = 0;
- zone->memory = NULL;
- }
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_glyphzone_new */
- /* */
- /* <Description> */
- /* Allocate a new glyph zone. */
- /* */
- /* <Input> */
- /* memory :: A handle to the current memory object. */
- /* */
- /* maxPoints :: The capacity of glyph zone in points. */
- /* */
- /* maxContours :: The capacity of glyph zone in contours. */
- /* */
- /* <Output> */
- /* zone :: A pointer to the target glyph zone record. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_glyphzone_new( FT_Memory memory,
- FT_UShort maxPoints,
- FT_Short maxContours,
- TT_GlyphZone zone )
- {
- FT_Error error;
-
-
- FT_MEM_ZERO( zone, sizeof ( *zone ) );
- zone->memory = memory;
-
- if ( FT_NEW_ARRAY( zone->org, maxPoints ) ||
- FT_NEW_ARRAY( zone->cur, maxPoints ) ||
- FT_NEW_ARRAY( zone->orus, maxPoints ) ||
- FT_NEW_ARRAY( zone->tags, maxPoints ) ||
- FT_NEW_ARRAY( zone->contours, maxContours ) )
- {
- tt_glyphzone_done( zone );
- }
- else
- {
- zone->max_points = maxPoints;
- zone->max_contours = maxContours;
- }
-
- return error;
- }
-#endif /* TT_USE_BYTECODE_INTERPRETER */
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_init */
- /* */
- /* <Description> */
- /* Initialize a given TrueType face object. */
- /* */
- /* <Input> */
- /* stream :: The source font stream. */
- /* */
- /* face_index :: The index of the font face in the resource. */
- /* */
- /* num_params :: Number of additional generic parameters. Ignored. */
- /* */
- /* params :: Additional generic parameters. Ignored. */
- /* */
- /* <InOut> */
- /* face :: The newly built face object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_face_init( FT_Stream stream,
- FT_Face ttface, /* TT_Face */
- FT_Int face_index,
- FT_Int num_params,
- FT_Parameter* params )
- {
- FT_Error error;
- FT_Library library;
- SFNT_Service sfnt;
- TT_Face face = (TT_Face)ttface;
-
-
- library = face->root.driver->root.library;
- sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" );
- if ( !sfnt )
- goto Bad_Format;
-
- /* create input stream from resource */
- if ( FT_STREAM_SEEK( 0 ) )
- goto Exit;
-
- /* check that we have a valid TrueType file */
- error = sfnt->init_face( stream, face, face_index, num_params, params );
- if ( error )
- goto Exit;
-
- /* We must also be able to accept Mac/GX fonts, as well as OT ones. */
- /* The 0x00020000 tag is completely undocumented; some fonts from */
- /* Arphic made for Chinese Windows 3.1 have this. */
- if ( face->format_tag != 0x00010000L && /* MS fonts */
- face->format_tag != 0x00020000L && /* CJK fonts for Win 3.1 */
- face->format_tag != TTAG_true ) /* Mac fonts */
- {
- FT_TRACE2(( "[not a valid TTF font]\n" ));
- goto Bad_Format;
- }
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
- face->root.face_flags |= FT_FACE_FLAG_HINTER;
-#endif
-
- /* If we are performing a simple font format check, exit immediately. */
- if ( face_index < 0 )
- return TT_Err_Ok;
-
- /* Load font directory */
- error = sfnt->load_face( stream, face, face_index, num_params, params );
- if ( error )
- goto Exit;
-
- error = tt_face_load_hdmx( face, stream );
- if ( error )
- goto Exit;
-
- if ( face->root.face_flags & FT_FACE_FLAG_SCALABLE )
- {
-
-#ifdef FT_CONFIG_OPTION_INCREMENTAL
-
- if ( !face->root.internal->incremental_interface )
- error = tt_face_load_loca( face, stream );
- if ( !error )
- error = tt_face_load_cvt( face, stream );
- if ( !error )
- error = tt_face_load_fpgm( face, stream );
- if ( !error )
- error = tt_face_load_prep( face, stream );
-
-#else
-
- if ( !error )
- error = tt_face_load_loca( face, stream );
- if ( !error )
- error = tt_face_load_cvt( face, stream );
- if ( !error )
- error = tt_face_load_fpgm( face, stream );
- if ( !error )
- error = tt_face_load_prep( face, stream );
-
-#endif
-
- }
-
-#if defined( TT_CONFIG_OPTION_UNPATENTED_HINTING ) && \
- !defined( TT_CONFIG_OPTION_BYTECODE_INTERPRETER )
-
- {
- FT_Bool unpatented_hinting;
- int i;
-
-
- /* Determine whether unpatented hinting is to be used for this face. */
- unpatented_hinting = FT_BOOL
- ( library->debug_hooks[FT_DEBUG_HOOK_UNPATENTED_HINTING] != NULL );
-
- for ( i = 0; i < num_params && !face->unpatented_hinting; i++ )
- if ( params[i].tag == FT_PARAM_TAG_UNPATENTED_HINTING )
- unpatented_hinting = TRUE;
-
- /* Compare the face with a list of well-known `tricky' fonts. */
- /* This list shall be expanded as we find more of them. */
- if ( !unpatented_hinting )
- {
- static const char* const trick_names[] =
- {
- "DFKaiSho-SB", /* dfkaisb.ttf */
- "DFKai-SB", /* kaiu.ttf */
- "HuaTianSongTi?", /* htst3.ttf */
- "MingLiU", /* mingliu.ttf & mingliu.ttc */
- "PMingLiU", /* mingliu.ttc */
- "MingLi43", /* mingli.ttf */
- NULL
- };
- int nn;
-
-
- /* Note that we only check the face name at the moment; it might */
- /* be worth to do more checks for a few special cases. */
- for ( nn = 0; trick_names[nn] != NULL; nn++ )
- {
- if ( ttface->family_name &&
- ft_strstr( ttface->family_name, trick_names[nn] ) )
- {
- unpatented_hinting = 1;
- break;
- }
- }
- }
-
- ttface->internal->ignore_unpatented_hinter =
- FT_BOOL( !unpatented_hinting );
- }
-
-#endif /* TT_CONFIG_OPTION_UNPATENTED_HINTING &&
- !TT_CONFIG_OPTION_BYTECODE_INTERPRETER */
-
- /* initialize standard glyph loading routines */
- TT_Init_Glyph_Loading( face );
-
- Exit:
- return error;
-
- Bad_Format:
- error = TT_Err_Unknown_File_Format;
- goto Exit;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_done */
- /* */
- /* <Description> */
- /* Finalize a given face object. */
- /* */
- /* <Input> */
- /* face :: A pointer to the face object to destroy. */
- /* */
- FT_LOCAL_DEF( void )
- tt_face_done( FT_Face ttface ) /* TT_Face */
- {
- TT_Face face = (TT_Face)ttface;
- FT_Memory memory = face->root.memory;
- FT_Stream stream = face->root.stream;
-
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
-
-
- /* for `extended TrueType formats' (i.e. compressed versions) */
- if ( face->extra.finalizer )
- face->extra.finalizer( face->extra.data );
-
- if ( sfnt )
- sfnt->done_face( face );
-
- /* freeing the locations table */
- tt_face_done_loca( face );
-
- tt_face_free_hdmx( face );
-
- /* freeing the CVT */
- FT_FREE( face->cvt );
- face->cvt_size = 0;
-
- /* freeing the programs */
- FT_FRAME_RELEASE( face->font_program );
- FT_FRAME_RELEASE( face->cvt_program );
- face->font_program_size = 0;
- face->cvt_program_size = 0;
-
-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
- tt_done_blend( memory, face->blend );
- face->blend = NULL;
-#endif
- }
-
-
- /*************************************************************************/
- /* */
- /* SIZE FUNCTIONS */
- /* */
- /*************************************************************************/
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_run_fpgm */
- /* */
- /* <Description> */
- /* Run the font program. */
- /* */
- /* <Input> */
- /* size :: A handle to the size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_size_run_fpgm( TT_Size size )
- {
- TT_Face face = (TT_Face)size->root.face;
- TT_ExecContext exec;
- FT_Error error;
-
-
- /* debugging instances have their own context */
- if ( size->debug )
- exec = size->context;
- else
- exec = ( (TT_Driver)FT_FACE_DRIVER( face ) )->context;
-
- if ( !exec )
- return TT_Err_Could_Not_Find_Context;
-
- TT_Load_Context( exec, face, size );
-
- exec->callTop = 0;
- exec->top = 0;
-
- exec->period = 64;
- exec->phase = 0;
- exec->threshold = 0;
-
- exec->instruction_trap = FALSE;
- exec->F_dot_P = 0x10000L;
-
- {
- FT_Size_Metrics* metrics = &exec->metrics;
- TT_Size_Metrics* tt_metrics = &exec->tt_metrics;
-
-
- metrics->x_ppem = 0;
- metrics->y_ppem = 0;
- metrics->x_scale = 0;
- metrics->y_scale = 0;
-
- tt_metrics->ppem = 0;
- tt_metrics->scale = 0;
- tt_metrics->ratio = 0x10000L;
- }
-
- /* allow font program execution */
- TT_Set_CodeRange( exec,
- tt_coderange_font,
- face->font_program,
- face->font_program_size );
-
- /* disable CVT and glyph programs coderange */
- TT_Clear_CodeRange( exec, tt_coderange_cvt );
- TT_Clear_CodeRange( exec, tt_coderange_glyph );
-
- if ( face->font_program_size > 0 )
- {
- error = TT_Goto_CodeRange( exec, tt_coderange_font, 0 );
-
- if ( !error )
- error = face->interpreter( exec );
- }
- else
- error = TT_Err_Ok;
-
- if ( !error )
- TT_Save_Context( exec, size );
-
- return error;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_run_prep */
- /* */
- /* <Description> */
- /* Run the control value program. */
- /* */
- /* <Input> */
- /* size :: A handle to the size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_size_run_prep( TT_Size size )
- {
- TT_Face face = (TT_Face)size->root.face;
- TT_ExecContext exec;
- FT_Error error;
-
-
- /* debugging instances have their own context */
- if ( size->debug )
- exec = size->context;
- else
- exec = ( (TT_Driver)FT_FACE_DRIVER( face ) )->context;
-
- if ( !exec )
- return TT_Err_Could_Not_Find_Context;
-
- TT_Load_Context( exec, face, size );
-
- exec->callTop = 0;
- exec->top = 0;
-
- exec->instruction_trap = FALSE;
-
- TT_Set_CodeRange( exec,
- tt_coderange_cvt,
- face->cvt_program,
- face->cvt_program_size );
-
- TT_Clear_CodeRange( exec, tt_coderange_glyph );
-
- if ( face->cvt_program_size > 0 )
- {
- error = TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 );
-
- if ( !error && !size->debug )
- error = face->interpreter( exec );
- }
- else
- error = TT_Err_Ok;
-
- /* save as default graphics state */
- size->GS = exec->GS;
-
- TT_Save_Context( exec, size );
-
- return error;
- }
-
-#endif /* TT_USE_BYTECODE_INTERPRETER */
-
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
-
- static void
- tt_size_done_bytecode( FT_Size ftsize )
- {
- TT_Size size = (TT_Size)ftsize;
- TT_Face face = (TT_Face)ftsize->face;
- FT_Memory memory = face->root.memory;
-
-
- if ( size->debug )
- {
- /* the debug context must be deleted by the debugger itself */
- size->context = NULL;
- size->debug = FALSE;
- }
-
- FT_FREE( size->cvt );
- size->cvt_size = 0;
-
- /* free storage area */
- FT_FREE( size->storage );
- size->storage_size = 0;
-
- /* twilight zone */
- tt_glyphzone_done( &size->twilight );
-
- FT_FREE( size->function_defs );
- FT_FREE( size->instruction_defs );
-
- size->num_function_defs = 0;
- size->max_function_defs = 0;
- size->num_instruction_defs = 0;
- size->max_instruction_defs = 0;
-
- size->max_func = 0;
- size->max_ins = 0;
-
- size->bytecode_ready = 0;
- size->cvt_ready = 0;
- }
-
-
- /* Initialize bytecode-related fields in the size object. */
- /* We do this only if bytecode interpretation is really needed. */
- static FT_Error
- tt_size_init_bytecode( FT_Size ftsize )
- {
- FT_Error error;
- TT_Size size = (TT_Size)ftsize;
- TT_Face face = (TT_Face)ftsize->face;
- FT_Memory memory = face->root.memory;
- FT_Int i;
-
- FT_UShort n_twilight;
- TT_MaxProfile* maxp = &face->max_profile;
-
-
- size->bytecode_ready = 1;
- size->cvt_ready = 0;
-
- size->max_function_defs = maxp->maxFunctionDefs;
- size->max_instruction_defs = maxp->maxInstructionDefs;
-
- size->num_function_defs = 0;
- size->num_instruction_defs = 0;
-
- size->max_func = 0;
- size->max_ins = 0;
-
- size->cvt_size = face->cvt_size;
- size->storage_size = maxp->maxStorage;
-
- /* Set default metrics */
- {
- FT_Size_Metrics* metrics = &size->metrics;
- TT_Size_Metrics* metrics2 = &size->ttmetrics;
-
- metrics->x_ppem = 0;
- metrics->y_ppem = 0;
-
- metrics2->rotated = FALSE;
- metrics2->stretched = FALSE;
-
- /* set default compensation (all 0) */
- for ( i = 0; i < 4; i++ )
- metrics2->compensations[i] = 0;
- }
-
- /* allocate function defs, instruction defs, cvt, and storage area */
- if ( FT_NEW_ARRAY( size->function_defs, size->max_function_defs ) ||
- FT_NEW_ARRAY( size->instruction_defs, size->max_instruction_defs ) ||
- FT_NEW_ARRAY( size->cvt, size->cvt_size ) ||
- FT_NEW_ARRAY( size->storage, size->storage_size ) )
- goto Exit;
-
- /* reserve twilight zone */
- n_twilight = maxp->maxTwilightPoints;
-
- /* there are 4 phantom points (do we need this?) */
- n_twilight += 4;
-
- error = tt_glyphzone_new( memory, n_twilight, 0, &size->twilight );
- if ( error )
- goto Exit;
-
- size->twilight.n_points = n_twilight;
-
- size->GS = tt_default_graphics_state;
-
- /* set `face->interpreter' according to the debug hook present */
- {
- FT_Library library = face->root.driver->root.library;
-
-
- face->interpreter = (TT_Interpreter)
- library->debug_hooks[FT_DEBUG_HOOK_TRUETYPE];
- if ( !face->interpreter )
- face->interpreter = (TT_Interpreter)TT_RunIns;
- }
-
- /* Fine, now run the font program! */
- error = tt_size_run_fpgm( size );
-
- Exit:
- if ( error )
- tt_size_done_bytecode( ftsize );
-
- return error;
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- tt_size_ready_bytecode( TT_Size size )
- {
- FT_Error error = TT_Err_Ok;
-
-
- if ( !size->bytecode_ready )
- {
- error = tt_size_init_bytecode( (FT_Size)size );
- if ( error )
- goto Exit;
- }
-
- /* rescale CVT when needed */
- if ( !size->cvt_ready )
- {
- FT_UInt i;
- TT_Face face = (TT_Face) size->root.face;
-
-
- /* Scale the cvt values to the new ppem. */
- /* We use by default the y ppem to scale the CVT. */
- for ( i = 0; i < size->cvt_size; i++ )
- size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale );
-
- /* all twilight points are originally zero */
- for ( i = 0; i < (FT_UInt)size->twilight.n_points; i++ )
- {
- size->twilight.org[i].x = 0;
- size->twilight.org[i].y = 0;
- size->twilight.cur[i].x = 0;
- size->twilight.cur[i].y = 0;
- }
-
- /* clear storage area */
- for ( i = 0; i < (FT_UInt)size->storage_size; i++ )
- size->storage[i] = 0;
-
- size->GS = tt_default_graphics_state;
-
- error = tt_size_run_prep( size );
- if ( !error )
- size->cvt_ready = 1;
- }
-
- Exit:
- return error;
- }
-
-#endif /* TT_USE_BYTECODE_INTERPRETER */
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_init */
- /* */
- /* <Description> */
- /* Initialize a new TrueType size object. */
- /* */
- /* <InOut> */
- /* size :: A handle to the size object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_size_init( FT_Size ttsize ) /* TT_Size */
- {
- TT_Size size = (TT_Size)ttsize;
- FT_Error error = TT_Err_Ok;
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
- size->bytecode_ready = 0;
- size->cvt_ready = 0;
-#endif
-
- size->ttmetrics.valid = FALSE;
- size->strike_index = 0xFFFFFFFFUL;
-
- return error;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_done */
- /* */
- /* <Description> */
- /* The TrueType size object finalizer. */
- /* */
- /* <Input> */
- /* size :: A handle to the target size object. */
- /* */
- FT_LOCAL_DEF( void )
- tt_size_done( FT_Size ttsize ) /* TT_Size */
- {
- TT_Size size = (TT_Size)ttsize;
-
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
- if ( size->bytecode_ready )
- tt_size_done_bytecode( ttsize );
-#endif
-
- size->ttmetrics.valid = FALSE;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_size_reset */
- /* */
- /* <Description> */
- /* Reset a TrueType size when resolutions and character dimensions */
- /* have been changed. */
- /* */
- /* <Input> */
- /* size :: A handle to the target size object. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_size_reset( TT_Size size )
- {
- TT_Face face;
- FT_Error error = TT_Err_Ok;
- FT_Size_Metrics* metrics;
-
-
- size->ttmetrics.valid = FALSE;
-
- face = (TT_Face)size->root.face;
-
- metrics = &size->metrics;
-
- /* copy the result from base layer */
- *metrics = size->root.metrics;
-
- if ( metrics->x_ppem < 1 || metrics->y_ppem < 1 )
- return TT_Err_Invalid_PPem;
-
- /* This bit flag, if set, indicates that the ppems must be */
- /* rounded to integers. Nearly all TrueType fonts have this bit */
- /* set, as hinting won't work really well otherwise. */
- /* */
- if ( face->header.Flags & 8 )
- {
- metrics->x_scale = FT_DivFix( metrics->x_ppem << 6,
- face->root.units_per_EM );
- metrics->y_scale = FT_DivFix( metrics->y_ppem << 6,
- face->root.units_per_EM );
-
- metrics->ascender =
- FT_PIX_ROUND( FT_MulFix( face->root.ascender, metrics->y_scale ) );
- metrics->descender =
- FT_PIX_ROUND( FT_MulFix( face->root.descender, metrics->y_scale ) );
- metrics->height =
- FT_PIX_ROUND( FT_MulFix( face->root.height, metrics->y_scale ) );
- metrics->max_advance =
- FT_PIX_ROUND( FT_MulFix( face->root.max_advance_width,
- metrics->x_scale ) );
- }
-
- /* compute new transformation */
- if ( metrics->x_ppem >= metrics->y_ppem )
- {
- size->ttmetrics.scale = metrics->x_scale;
- size->ttmetrics.ppem = metrics->x_ppem;
- size->ttmetrics.x_ratio = 0x10000L;
- size->ttmetrics.y_ratio = FT_MulDiv( metrics->y_ppem,
- 0x10000L,
- metrics->x_ppem );
- }
- else
- {
- size->ttmetrics.scale = metrics->y_scale;
- size->ttmetrics.ppem = metrics->y_ppem;
- size->ttmetrics.x_ratio = FT_MulDiv( metrics->x_ppem,
- 0x10000L,
- metrics->y_ppem );
- size->ttmetrics.y_ratio = 0x10000L;
- }
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
- size->cvt_ready = 0;
-#endif /* TT_USE_BYTECODE_INTERPRETER */
-
- if ( !error )
- size->ttmetrics.valid = TRUE;
-
- return error;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_driver_init */
- /* */
- /* <Description> */
- /* Initialize a given TrueType driver object. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target driver object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_driver_init( FT_Module ttdriver ) /* TT_Driver */
- {
-
-#ifdef TT_USE_BYTECODE_INTERPRETER
-
- TT_Driver driver = (TT_Driver)ttdriver;
-
-
- if ( !TT_New_Context( driver ) )
- return TT_Err_Could_Not_Find_Context;
-
-#else
-
- FT_UNUSED( ttdriver );
-
-#endif
-
- return TT_Err_Ok;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_driver_done */
- /* */
- /* <Description> */
- /* Finalize a given TrueType driver. */
- /* */
- /* <Input> */
- /* driver :: A handle to the target TrueType driver. */
- /* */
- FT_LOCAL_DEF( void )
- tt_driver_done( FT_Module ttdriver ) /* TT_Driver */
- {
-#ifdef TT_USE_BYTECODE_INTERPRETER
- TT_Driver driver = (TT_Driver)ttdriver;
-
-
- /* destroy the execution context */
- if ( driver->context )
- {
- TT_Done_Context( driver->context );
- driver->context = NULL;
- }
-#else
- FT_UNUSED( ttdriver );
-#endif
-
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_slot_init */
- /* */
- /* <Description> */
- /* Initialize a new slot object. */
- /* */
- /* <InOut> */
- /* slot :: A handle to the slot object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_LOCAL_DEF( FT_Error )
- tt_slot_init( FT_GlyphSlot slot )
- {
- return FT_GlyphLoader_CreateExtra( slot->internal->loader );
- }
-
-
-/* END */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:28:13 +0000