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Use the new engine. 

* src/cid/cidgload.c: Update includes.
(cid_load_glyph, cid_slot_load_glyph): Implement changes to glyph
loading code as with `type1' module.
This commit is contained in:
Ewald Hew 2017-09-25 08:13:34 +02:00 committed by Werner Lemberg
parent a5c02f49b5
commit 0e53cf6d67
2 changed files with 61 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2017-09-25 Ewald Hew <ewaldhew@gmail.com>
[cid] Use the new engine.
* src/cid/cidgload.c: Update includes.
(cid_load_glyph, cid_slot_load_glyph): Implement changes to glyph
loading code as with `type1' module.
2017-09-25 Ewald Hew <ewaldhew@gmail.com>
[cid] Add Adobe engine configuration.

57
src/cid/cidgload.c
View File

@ -24,6 +24,10 @@
#include FT_OUTLINE_H
#include FT_INTERNAL_CALC_H
#include FT_INTERNAL_POSTSCRIPT_AUX_H
#include FT_INTERNAL_CFF_TYPES_H
#include FT_TYPE1_DRIVER_H
#include "ciderrs.h"
@ -52,6 +56,8 @@
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;
@ -169,9 +175,43 @@
if ( decoder->lenIV >= 0 )
psaux->t1_decrypt( charstring, glyph_length, 4330 );
error = decoder->funcs.parse_charstrings_old(
decoder, charstring + cs_offset,
glyph_length - cs_offset );
/* choose which renderer to use */
if ( ((PS_Driver)FT_FACE_DRIVER( face ))->hinting_engine == FT_T1_HINTING_FREETYPE ||
decoder->builder.metrics_only )
error = psaux->t1_decoder_funcs->parse_charstrings_old( decoder,
charstring + cs_offset,
glyph_length - cs_offset );
else
{
PS_Decoder psdecoder;
CFF_SubFontRec subfont;
psaux->ps_decoder_init( decoder, TRUE, &psdecoder );
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
@ -200,6 +240,8 @@
Exit:
FT_FREE( charstring );
((CID_GlyphSlot)decoder->builder.glyph)->scaled = force_scaling;
return error;
}
@ -288,6 +330,7 @@
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;
@ -311,7 +354,10 @@
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,
@ -337,6 +383,9 @@
if ( error )
goto Exit;
hinting = glyph->hint;
scaled = glyph->scaled;
font_matrix = decoder.font_matrix;
font_offset = decoder.font_offset;
@ -410,7 +459,7 @@
metrics->vertAdvance += font_offset.y;
}
if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 )
if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || scaled )
{
/* scale the outline and the metrics */
FT_Int n;