619 lines
20 KiB
C
619 lines
20 KiB
C
/****************************************************************************
|
|
*
|
|
* cidgload.c
|
|
*
|
|
* CID-keyed Type1 Glyph Loader (body).
|
|
*
|
|
* Copyright (C) 1996-2024 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 "cidload.h"
|
|
#include "cidgload.h"
|
|
#include <freetype/internal/ftdebug.h>
|
|
#include <freetype/internal/ftstream.h>
|
|
#include <freetype/ftoutln.h>
|
|
#include <freetype/internal/ftcalc.h>
|
|
|
|
#include <freetype/internal/psaux.h>
|
|
#include <freetype/internal/cfftypes.h>
|
|
#include <freetype/ftdriver.h>
|
|
|
|
#include "ciderrs.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 cidgload
|
|
|
|
|
|
/*
|
|
* A helper function to compute FD number (`fd_select`), the offset to the
|
|
* head of the glyph data (`off1`), and the offset to the and of the glyph
|
|
* data (`off2`).
|
|
*
|
|
* The number how many times `cid_get_offset` is invoked can be controlled
|
|
* by the number of non-NULL arguments. If `fd_select` is non-NULL but
|
|
* `off1` and `off2` are NULL, `cid_get_offset` is invoked only for
|
|
* `fd_select`; `off1` and `off2` are not validated.
|
|
*
|
|
*/
|
|
FT_LOCAL_DEF( FT_Error )
|
|
cid_compute_fd_and_offsets( CID_Face face,
|
|
FT_UInt glyph_index,
|
|
FT_ULong* fd_select_p,
|
|
FT_ULong* off1_p,
|
|
FT_ULong* off2_p )
|
|
{
|
|
FT_Error error = FT_Err_Ok;
|
|
|
|
CID_FaceInfo cid = &face->cid;
|
|
FT_Stream stream = face->cid_stream;
|
|
FT_UInt entry_len = cid->fd_bytes + cid->gd_bytes;
|
|
|
|
FT_Byte* p;
|
|
FT_Bool need_frame_exit = 0;
|
|
FT_ULong fd_select, off1, off2;
|
|
|
|
|
|
/* For ordinary fonts, read the CID font dictionary index */
|
|
/* and charstring offset from the CIDMap. */
|
|
|
|
if ( FT_STREAM_SEEK( cid->data_offset + cid->cidmap_offset +
|
|
glyph_index * entry_len ) ||
|
|
FT_FRAME_ENTER( 2 * entry_len ) )
|
|
goto Exit;
|
|
|
|
need_frame_exit = 1;
|
|
|
|
p = (FT_Byte*)stream->cursor;
|
|
fd_select = cid_get_offset( &p, cid->fd_bytes );
|
|
off1 = cid_get_offset( &p, cid->gd_bytes );
|
|
|
|
p += cid->fd_bytes;
|
|
off2 = cid_get_offset( &p, cid->gd_bytes );
|
|
|
|
if ( fd_select_p )
|
|
*fd_select_p = fd_select;
|
|
if ( off1_p )
|
|
*off1_p = off1;
|
|
if ( off2_p )
|
|
*off2_p = off2;
|
|
|
|
if ( fd_select >= cid->num_dicts )
|
|
{
|
|
/*
|
|
* fd_select == 0xFF is often used to indicate that the CID
|
|
* has no charstring to be rendered, similar to GID = 0xFFFF
|
|
* in TrueType fonts.
|
|
*/
|
|
if ( ( cid->fd_bytes == 1 && fd_select == 0xFFU ) ||
|
|
( cid->fd_bytes == 2 && fd_select == 0xFFFFU ) )
|
|
{
|
|
FT_TRACE1(( "cid_load_glyph: fail for glyph index %d:\n",
|
|
glyph_index ));
|
|
FT_TRACE1(( " FD number %ld is the maximum\n",
|
|
fd_select ));
|
|
FT_TRACE1(( " integer fitting into %d byte%s\n",
|
|
cid->fd_bytes, cid->fd_bytes == 1 ? "" : "s" ));
|
|
}
|
|
else
|
|
{
|
|
FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n",
|
|
glyph_index ));
|
|
FT_TRACE0(( " FD number %ld is larger\n",
|
|
fd_select ));
|
|
FT_TRACE0(( " than number of dictionaries (%d)\n",
|
|
cid->num_dicts ));
|
|
}
|
|
|
|
error = FT_THROW( Invalid_Offset );
|
|
goto Exit;
|
|
}
|
|
else if ( off2 > stream->size )
|
|
{
|
|
FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n",
|
|
glyph_index ));
|
|
FT_TRACE0(( " end of the glyph data\n" ));
|
|
FT_TRACE0(( " is beyond the data stream\n" ));
|
|
|
|
error = FT_THROW( Invalid_Offset );
|
|
goto Exit;
|
|
}
|
|
else if ( off1 > off2 )
|
|
{
|
|
FT_TRACE0(( "cid_load_glyph: fail for glyph index %d:\n",
|
|
glyph_index ));
|
|
FT_TRACE0(( " the end position of glyph data\n" ));
|
|
FT_TRACE0(( " is set before the start position\n" ));
|
|
|
|
error = FT_THROW( Invalid_Offset );
|
|
}
|
|
|
|
Exit:
|
|
if ( need_frame_exit )
|
|
FT_FRAME_EXIT();
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
FT_CALLBACK_DEF( FT_Error )
|
|
cid_load_glyph( T1_Decoder decoder,
|
|
FT_UInt glyph_index )
|
|
{
|
|
CID_Face face = (CID_Face)decoder->builder.face;
|
|
CID_FaceInfo cid = &face->cid;
|
|
FT_Byte* p;
|
|
FT_ULong fd_select;
|
|
FT_Stream stream = face->cid_stream;
|
|
FT_Error error = FT_Err_Ok;
|
|
FT_Byte* charstring = NULL;
|
|
FT_Memory memory = face->root.memory;
|
|
FT_ULong glyph_length = 0;
|
|
PSAux_Service psaux = (PSAux_Service)face->psaux;
|
|
|
|
FT_Bool force_scaling = FALSE;
|
|
|
|
#ifdef FT_CONFIG_OPTION_INCREMENTAL
|
|
FT_Incremental_InterfaceRec *inc =
|
|
face->root.internal->incremental_interface;
|
|
#endif
|
|
|
|
|
|
FT_TRACE1(( "cid_load_glyph: glyph index %u\n", glyph_index ));
|
|
|
|
#ifdef FT_CONFIG_OPTION_INCREMENTAL
|
|
|
|
/* For incremental fonts get the character data using */
|
|
/* the callback function. */
|
|
if ( inc )
|
|
{
|
|
FT_Data glyph_data;
|
|
|
|
|
|
error = inc->funcs->get_glyph_data( inc->object,
|
|
glyph_index, &glyph_data );
|
|
if ( error || glyph_data.length < cid->fd_bytes )
|
|
goto Exit;
|
|
|
|
p = (FT_Byte*)glyph_data.pointer;
|
|
fd_select = cid_get_offset( &p, cid->fd_bytes );
|
|
|
|
glyph_length = glyph_data.length - cid->fd_bytes;
|
|
|
|
if ( !FT_QALLOC( charstring, glyph_length ) )
|
|
FT_MEM_COPY( charstring, glyph_data.pointer + cid->fd_bytes,
|
|
glyph_length );
|
|
|
|
inc->funcs->free_glyph_data( inc->object, &glyph_data );
|
|
|
|
if ( error )
|
|
goto Exit;
|
|
}
|
|
|
|
else
|
|
|
|
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
|
|
{
|
|
FT_ULong off1, off2;
|
|
|
|
|
|
error = cid_compute_fd_and_offsets( face, glyph_index,
|
|
&fd_select, &off1, &off2 );
|
|
if ( error )
|
|
goto Exit;
|
|
|
|
glyph_length = off2 - off1;
|
|
|
|
if ( glyph_length == 0 ||
|
|
FT_QALLOC( charstring, glyph_length ) ||
|
|
FT_STREAM_READ_AT( cid->data_offset + off1,
|
|
charstring, glyph_length ) )
|
|
goto Exit;
|
|
}
|
|
|
|
/* Now set up the subrs array and parse the charstrings. */
|
|
{
|
|
CID_FaceDict dict;
|
|
CID_Subrs cid_subrs = face->subrs + fd_select;
|
|
FT_UInt cs_offset;
|
|
|
|
|
|
/* Set up subrs */
|
|
decoder->num_subrs = cid_subrs->num_subrs;
|
|
decoder->subrs = cid_subrs->code;
|
|
decoder->subrs_len = 0;
|
|
decoder->subrs_hash = NULL;
|
|
|
|
/* Set up font matrix */
|
|
dict = cid->font_dicts + fd_select;
|
|
|
|
decoder->font_matrix = dict->font_matrix;
|
|
decoder->font_offset = dict->font_offset;
|
|
decoder->lenIV = dict->private_dict.lenIV;
|
|
|
|
/* Decode the charstring. */
|
|
|
|
/* Adjustment for seed bytes. */
|
|
cs_offset = decoder->lenIV >= 0 ? (FT_UInt)decoder->lenIV : 0;
|
|
if ( cs_offset > glyph_length )
|
|
{
|
|
FT_TRACE0(( "cid_load_glyph: fail for glyph_index=%d, "
|
|
"offset to the charstring is beyond glyph length\n",
|
|
glyph_index ));
|
|
error = FT_THROW( Invalid_Offset );
|
|
goto Exit;
|
|
}
|
|
|
|
/* Decrypt only if lenIV >= 0. */
|
|
if ( decoder->lenIV >= 0 )
|
|
psaux->t1_decrypt( charstring, glyph_length, 4330 );
|
|
|
|
/* choose which renderer to use */
|
|
#ifdef T1_CONFIG_OPTION_OLD_ENGINE
|
|
if ( ( (PS_Driver)FT_FACE_DRIVER( face ) )->hinting_engine ==
|
|
FT_HINTING_FREETYPE ||
|
|
decoder->builder.metrics_only )
|
|
error = psaux->t1_decoder_funcs->parse_charstrings_old(
|
|
decoder,
|
|
charstring + cs_offset,
|
|
glyph_length - cs_offset );
|
|
#else
|
|
if ( decoder->builder.metrics_only )
|
|
error = psaux->t1_decoder_funcs->parse_metrics(
|
|
decoder,
|
|
charstring + cs_offset,
|
|
glyph_length - cs_offset );
|
|
#endif
|
|
else
|
|
{
|
|
PS_Decoder psdecoder;
|
|
CFF_SubFontRec subfont;
|
|
|
|
|
|
psaux->ps_decoder_init( &psdecoder, decoder, TRUE );
|
|
|
|
psaux->t1_make_subfont( FT_FACE( face ),
|
|
&dict->private_dict,
|
|
&subfont );
|
|
psdecoder.current_subfont = &subfont;
|
|
|
|
error = psaux->t1_decoder_funcs->parse_charstrings(
|
|
&psdecoder,
|
|
charstring + cs_offset,
|
|
glyph_length - cs_offset );
|
|
|
|
/* Adobe's engine uses 16.16 numbers everywhere; */
|
|
/* as a consequence, glyphs larger than 2000ppem get rejected */
|
|
if ( FT_ERR_EQ( error, Glyph_Too_Big ) )
|
|
{
|
|
/* this time, we retry unhinted and scale up the glyph later on */
|
|
/* (the engine uses and sets the hardcoded value 0x10000 / 64 = */
|
|
/* 0x400 for both `x_scale' and `y_scale' in this case) */
|
|
((CID_GlyphSlot)decoder->builder.glyph)->hint = FALSE;
|
|
|
|
force_scaling = TRUE;
|
|
|
|
error = psaux->t1_decoder_funcs->parse_charstrings(
|
|
&psdecoder,
|
|
charstring + cs_offset,
|
|
glyph_length - cs_offset );
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef FT_CONFIG_OPTION_INCREMENTAL
|
|
|
|
/* Incremental fonts can optionally override the metrics. */
|
|
if ( !error && inc && inc->funcs->get_glyph_metrics )
|
|
{
|
|
FT_Incremental_MetricsRec metrics;
|
|
|
|
|
|
metrics.bearing_x = FIXED_TO_INT( decoder->builder.left_bearing.x );
|
|
metrics.bearing_y = 0;
|
|
metrics.advance = FIXED_TO_INT( decoder->builder.advance.x );
|
|
metrics.advance_v = FIXED_TO_INT( decoder->builder.advance.y );
|
|
|
|
error = inc->funcs->get_glyph_metrics( inc->object,
|
|
glyph_index, FALSE, &metrics );
|
|
|
|
decoder->builder.left_bearing.x = INT_TO_FIXED( metrics.bearing_x );
|
|
decoder->builder.advance.x = INT_TO_FIXED( metrics.advance );
|
|
decoder->builder.advance.y = INT_TO_FIXED( metrics.advance_v );
|
|
}
|
|
|
|
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
|
|
|
|
Exit:
|
|
FT_FREE( charstring );
|
|
|
|
((CID_GlyphSlot)decoder->builder.glyph)->scaled = force_scaling;
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
#if 0
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/********** *********/
|
|
/********** *********/
|
|
/********** COMPUTE THE MAXIMUM ADVANCE WIDTH *********/
|
|
/********** *********/
|
|
/********** The following code is in charge of computing *********/
|
|
/********** the maximum advance width of the font. It *********/
|
|
/********** quickly processes each glyph charstring to *********/
|
|
/********** extract the value from either a `sbw' or `seac' *********/
|
|
/********** operator. *********/
|
|
/********** *********/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
|
|
FT_LOCAL_DEF( FT_Error )
|
|
cid_face_compute_max_advance( CID_Face face,
|
|
FT_Int* max_advance )
|
|
{
|
|
FT_Error error;
|
|
T1_DecoderRec decoder;
|
|
FT_Int glyph_index;
|
|
|
|
PSAux_Service psaux = (PSAux_Service)face->psaux;
|
|
|
|
|
|
*max_advance = 0;
|
|
|
|
/* Initialize load decoder */
|
|
error = psaux->t1_decoder_funcs->init( &decoder,
|
|
(FT_Face)face,
|
|
0, /* size */
|
|
0, /* glyph slot */
|
|
0, /* glyph names! XXX */
|
|
0, /* blend == 0 */
|
|
0, /* hinting == 0 */
|
|
cid_load_glyph );
|
|
if ( error )
|
|
return error;
|
|
|
|
/* TODO: initialize decoder.len_buildchar and decoder.buildchar */
|
|
/* if we ever support CID-keyed multiple master fonts */
|
|
|
|
decoder.builder.metrics_only = 1;
|
|
decoder.builder.load_points = 0;
|
|
|
|
/* for each glyph, parse the glyph charstring and extract */
|
|
/* the advance width */
|
|
for ( glyph_index = 0; glyph_index < face->root.num_glyphs;
|
|
glyph_index++ )
|
|
{
|
|
/* now get load the unscaled outline */
|
|
error = cid_load_glyph( &decoder, glyph_index );
|
|
/* ignore the error if one occurred - skip to next glyph */
|
|
}
|
|
|
|
*max_advance = FIXED_TO_INT( decoder.builder.advance.x );
|
|
|
|
psaux->t1_decoder_funcs->done( &decoder );
|
|
|
|
return FT_Err_Ok;
|
|
}
|
|
|
|
|
|
#endif /* 0 */
|
|
|
|
|
|
FT_LOCAL_DEF( FT_Error )
|
|
cid_slot_load_glyph( FT_GlyphSlot cidglyph, /* CID_GlyphSlot */
|
|
FT_Size cidsize, /* CID_Size */
|
|
FT_UInt glyph_index,
|
|
FT_Int32 load_flags )
|
|
{
|
|
CID_GlyphSlot glyph = (CID_GlyphSlot)cidglyph;
|
|
FT_Error error;
|
|
T1_DecoderRec decoder;
|
|
CID_Face face = (CID_Face)cidglyph->face;
|
|
FT_Bool hinting;
|
|
FT_Bool scaled;
|
|
|
|
PSAux_Service psaux = (PSAux_Service)face->psaux;
|
|
FT_Matrix font_matrix;
|
|
FT_Vector font_offset;
|
|
FT_Bool must_finish_decoder = FALSE;
|
|
|
|
|
|
if ( glyph_index >= (FT_UInt)face->root.num_glyphs )
|
|
{
|
|
error = FT_THROW( Invalid_Argument );
|
|
goto Exit;
|
|
}
|
|
|
|
if ( load_flags & FT_LOAD_NO_RECURSE )
|
|
load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
|
|
|
|
glyph->x_scale = cidsize->metrics.x_scale;
|
|
glyph->y_scale = cidsize->metrics.y_scale;
|
|
|
|
cidglyph->outline.n_points = 0;
|
|
cidglyph->outline.n_contours = 0;
|
|
|
|
hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 &&
|
|
( load_flags & FT_LOAD_NO_HINTING ) == 0 );
|
|
scaled = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 );
|
|
|
|
glyph->hint = hinting;
|
|
glyph->scaled = scaled;
|
|
cidglyph->format = FT_GLYPH_FORMAT_OUTLINE;
|
|
|
|
error = psaux->t1_decoder_funcs->init( &decoder,
|
|
cidglyph->face,
|
|
cidsize,
|
|
cidglyph,
|
|
0, /* glyph names -- XXX */
|
|
0, /* blend == 0 */
|
|
hinting,
|
|
FT_LOAD_TARGET_MODE( load_flags ),
|
|
cid_load_glyph );
|
|
if ( error )
|
|
goto Exit;
|
|
|
|
/* TODO: initialize decoder.len_buildchar and decoder.buildchar */
|
|
/* if we ever support CID-keyed multiple master fonts */
|
|
|
|
must_finish_decoder = TRUE;
|
|
|
|
/* set up the decoder */
|
|
decoder.builder.no_recurse = FT_BOOL( load_flags & FT_LOAD_NO_RECURSE );
|
|
|
|
error = cid_load_glyph( &decoder, glyph_index );
|
|
if ( error )
|
|
goto Exit;
|
|
|
|
/* copy flags back for forced scaling */
|
|
hinting = glyph->hint;
|
|
scaled = glyph->scaled;
|
|
|
|
font_matrix = decoder.font_matrix;
|
|
font_offset = decoder.font_offset;
|
|
|
|
/* save new glyph tables */
|
|
psaux->t1_decoder_funcs->done( &decoder );
|
|
|
|
must_finish_decoder = FALSE;
|
|
|
|
/* now set the metrics -- this is rather simple, as */
|
|
/* the left side bearing is the xMin, and the top side */
|
|
/* bearing the yMax */
|
|
cidglyph->outline.flags &= FT_OUTLINE_OWNER;
|
|
cidglyph->outline.flags |= FT_OUTLINE_REVERSE_FILL;
|
|
|
|
/* for composite glyphs, return only left side bearing and */
|
|
/* advance width */
|
|
if ( load_flags & FT_LOAD_NO_RECURSE )
|
|
{
|
|
FT_Slot_Internal internal = cidglyph->internal;
|
|
|
|
|
|
cidglyph->metrics.horiBearingX =
|
|
FIXED_TO_INT( decoder.builder.left_bearing.x );
|
|
cidglyph->metrics.horiAdvance =
|
|
FIXED_TO_INT( decoder.builder.advance.x );
|
|
|
|
internal->glyph_matrix = font_matrix;
|
|
internal->glyph_delta = font_offset;
|
|
internal->glyph_transformed = 1;
|
|
}
|
|
else
|
|
{
|
|
FT_BBox cbox;
|
|
FT_Glyph_Metrics* metrics = &cidglyph->metrics;
|
|
|
|
|
|
/* copy the _unscaled_ advance width */
|
|
metrics->horiAdvance =
|
|
FIXED_TO_INT( decoder.builder.advance.x );
|
|
cidglyph->linearHoriAdvance =
|
|
FIXED_TO_INT( decoder.builder.advance.x );
|
|
cidglyph->internal->glyph_transformed = 0;
|
|
|
|
/* make up vertical ones */
|
|
metrics->vertAdvance = ( face->cid.font_bbox.yMax -
|
|
face->cid.font_bbox.yMin ) >> 16;
|
|
cidglyph->linearVertAdvance = metrics->vertAdvance;
|
|
|
|
cidglyph->format = FT_GLYPH_FORMAT_OUTLINE;
|
|
|
|
if ( cidsize->metrics.y_ppem < 24 )
|
|
cidglyph->outline.flags |= FT_OUTLINE_HIGH_PRECISION;
|
|
|
|
/* apply the font matrix, if any */
|
|
if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L ||
|
|
font_matrix.xy != 0 || font_matrix.yx != 0 )
|
|
{
|
|
FT_Outline_Transform( &cidglyph->outline, &font_matrix );
|
|
|
|
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance,
|
|
font_matrix.xx );
|
|
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance,
|
|
font_matrix.yy );
|
|
}
|
|
|
|
if ( font_offset.x || font_offset.y )
|
|
{
|
|
FT_Outline_Translate( &cidglyph->outline,
|
|
font_offset.x,
|
|
font_offset.y );
|
|
|
|
metrics->horiAdvance += font_offset.x;
|
|
metrics->vertAdvance += font_offset.y;
|
|
}
|
|
|
|
if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || scaled )
|
|
{
|
|
/* scale the outline and the metrics */
|
|
FT_Int n;
|
|
FT_Outline* cur = decoder.builder.base;
|
|
FT_Vector* vec = cur->points;
|
|
FT_Fixed x_scale = glyph->x_scale;
|
|
FT_Fixed y_scale = glyph->y_scale;
|
|
|
|
|
|
/* First of all, scale the points */
|
|
if ( !hinting || !decoder.builder.hints_funcs )
|
|
for ( n = cur->n_points; n > 0; n--, vec++ )
|
|
{
|
|
vec->x = FT_MulFix( vec->x, x_scale );
|
|
vec->y = FT_MulFix( vec->y, y_scale );
|
|
}
|
|
|
|
/* Then scale the metrics */
|
|
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
|
|
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
|
|
}
|
|
|
|
/* compute the other metrics */
|
|
FT_Outline_Get_CBox( &cidglyph->outline, &cbox );
|
|
|
|
metrics->width = cbox.xMax - cbox.xMin;
|
|
metrics->height = cbox.yMax - cbox.yMin;
|
|
|
|
metrics->horiBearingX = cbox.xMin;
|
|
metrics->horiBearingY = cbox.yMax;
|
|
|
|
if ( load_flags & FT_LOAD_VERTICAL_LAYOUT )
|
|
{
|
|
/* make up vertical ones */
|
|
ft_synthesize_vertical_metrics( metrics,
|
|
metrics->vertAdvance );
|
|
}
|
|
}
|
|
|
|
Exit:
|
|
|
|
if ( must_finish_decoder )
|
|
psaux->t1_decoder_funcs->done( &decoder );
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
/* END */
|