sdk-world v2026.11.05
PS2 SDK - world tier (copyleft-allowed, non-essential packages)
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cffgload.c
1/****************************************************************************
2 *
3 * cffgload.c
4 *
5 * OpenType Glyph Loader (body).
6 *
7 * Copyright (C) 1996-2025 by
8 * David Turner, Robert Wilhelm, and Werner Lemberg.
9 *
10 * This file is part of the FreeType project, and may only be used,
11 * modified, and distributed under the terms of the FreeType project
12 * license, LICENSE.TXT. By continuing to use, modify, or distribute
13 * this file you indicate that you have read the license and
14 * understand and accept it fully.
15 *
16 */
17
18
19#include <freetype/internal/ftdebug.h>
20#include <freetype/internal/ftstream.h>
21#include <freetype/internal/sfnt.h>
22#include <freetype/internal/ftcalc.h>
23#include <freetype/internal/psaux.h>
24#include <freetype/ftoutln.h>
25#include <freetype/ftdriver.h>
26
27#include "cffload.h"
28#include "cffgload.h"
29
30#include "cfferrs.h"
31
32#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
33#define IS_DEFAULT_INSTANCE( _face ) \
34 ( !( FT_IS_NAMED_INSTANCE( _face ) || \
35 FT_IS_VARIATION( _face ) ) )
36#else
37#define IS_DEFAULT_INSTANCE( _face ) 1
38#endif
39
40
41 /**************************************************************************
42 *
43 * The macro FT_COMPONENT is used in trace mode. It is an implicit
44 * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
45 * messages during execution.
46 */
47#undef FT_COMPONENT
48#define FT_COMPONENT cffgload
49
50
51 FT_LOCAL_DEF( FT_Error )
52 cff_get_glyph_data( TT_Face face,
53 FT_UInt glyph_index,
54 FT_Byte** pointer,
55 FT_ULong* length )
56 {
57#ifdef FT_CONFIG_OPTION_INCREMENTAL
58 /* For incremental fonts get the character data using the */
59 /* callback function. */
60 if ( face->root.internal->incremental_interface )
61 {
62 FT_Data data;
63 FT_Error error =
64 face->root.internal->incremental_interface->funcs->get_glyph_data(
65 face->root.internal->incremental_interface->object,
66 glyph_index, &data );
67
68
69 *pointer = (FT_Byte*)data.pointer;
70 *length = data.length;
71
72 return error;
73 }
74 else
75#endif /* FT_CONFIG_OPTION_INCREMENTAL */
76
77 {
78 CFF_Font cff = (CFF_Font)( face->extra.data );
79
80
81 return cff_index_access_element( &cff->charstrings_index, glyph_index,
82 pointer, length );
83 }
84 }
85
86
87 FT_LOCAL_DEF( void )
88 cff_free_glyph_data( TT_Face face,
89 FT_Byte** pointer,
90 FT_ULong length )
91 {
92#ifndef FT_CONFIG_OPTION_INCREMENTAL
93 FT_UNUSED( length );
94#endif
95
96#ifdef FT_CONFIG_OPTION_INCREMENTAL
97 /* For incremental fonts get the character data using the */
98 /* callback function. */
99 if ( face->root.internal->incremental_interface )
100 {
101 FT_Data data;
102
103
104 data.pointer = *pointer;
105 data.length = (FT_UInt)length;
106
107 face->root.internal->incremental_interface->funcs->free_glyph_data(
108 face->root.internal->incremental_interface->object, &data );
109 }
110 else
111#endif /* FT_CONFIG_OPTION_INCREMENTAL */
112
113 {
114 CFF_Font cff = (CFF_Font)( face->extra.data );
115
116
117 cff_index_forget_element( &cff->charstrings_index, pointer );
118 }
119 }
120
121
122 /*************************************************************************/
123 /*************************************************************************/
124 /*************************************************************************/
125 /********** *********/
126 /********** *********/
127 /********** COMPUTE THE MAXIMUM ADVANCE WIDTH *********/
128 /********** *********/
129 /********** The following code is in charge of computing *********/
130 /********** the maximum advance width of the font. It *********/
131 /********** quickly processes each glyph charstring to *********/
132 /********** extract the value from either a `sbw' or `seac' *********/
133 /********** operator. *********/
134 /********** *********/
135 /*************************************************************************/
136 /*************************************************************************/
137 /*************************************************************************/
138
139
140#if 0 /* unused until we support pure CFF fonts */
141
142
143 FT_LOCAL_DEF( FT_Error )
144 cff_compute_max_advance( TT_Face face,
145 FT_Int* max_advance )
146 {
147 FT_Error error = FT_Err_Ok;
148 CFF_Decoder decoder;
149 FT_Int glyph_index;
150 CFF_Font cff = (CFF_Font)face->other;
151
152 PSAux_Service psaux = (PSAux_Service)face->psaux;
153 const CFF_Decoder_Funcs decoder_funcs = psaux->cff_decoder_funcs;
154
155
156 *max_advance = 0;
157
158 /* Initialize load decoder */
159 decoder_funcs->init( &decoder, face, 0, 0, 0, 0, 0, 0 );
160
161 decoder.builder.metrics_only = 1;
162 decoder.builder.load_points = 0;
163
164 /* For each glyph, parse the glyph charstring and extract */
165 /* the advance width. */
166 for ( glyph_index = 0; glyph_index < face->root.num_glyphs;
167 glyph_index++ )
168 {
169 FT_Byte* charstring;
170 FT_ULong charstring_len;
171
172
173 /* now get load the unscaled outline */
174 error = cff_get_glyph_data( face, glyph_index,
175 &charstring, &charstring_len );
176 if ( !error )
177 {
178 error = decoder_funcs->prepare( &decoder, size, glyph_index );
179 if ( !error )
180 error = decoder_funcs->parse_charstrings_old( &decoder,
181 charstring,
182 charstring_len,
183 0 );
184
185 cff_free_glyph_data( face, &charstring, &charstring_len );
186 }
187
188 /* ignore the error if one has occurred -- skip to next glyph */
189 error = FT_Err_Ok;
190 }
191
192 *max_advance = decoder.builder.advance.x;
193
194 return FT_Err_Ok;
195 }
196
197
198#endif /* 0 */
199
200
201 FT_LOCAL_DEF( FT_Error )
202 cff_slot_load( CFF_GlyphSlot glyph,
203 CFF_Size size,
204 FT_UInt glyph_index,
205 FT_Int32 load_flags )
206 {
207 FT_Error error;
208 CFF_Decoder decoder;
209 PS_Decoder psdecoder;
210 TT_Face face = (TT_Face)glyph->root.face;
211 FT_Bool hinting, scaled, force_scaling;
212 CFF_Font cff = (CFF_Font)face->extra.data;
213
214 PSAux_Service psaux = (PSAux_Service)face->psaux;
215 const CFF_Decoder_Funcs decoder_funcs = psaux->cff_decoder_funcs;
216
217 FT_Matrix font_matrix;
218 FT_Vector font_offset;
219
220
221 force_scaling = FALSE;
222
223 /* in a CID-keyed font, consider `glyph_index' as a CID and map */
224 /* it immediately to the real glyph_index -- if it isn't a */
225 /* subsetted font, glyph_indices and CIDs are identical, though */
226 if ( cff->top_font.font_dict.cid_registry != 0xFFFFU &&
227 cff->charset.cids )
228 {
229 /* don't handle CID 0 (.notdef) which is directly mapped to GID 0 */
230 if ( glyph_index != 0 )
231 {
232 glyph_index = cff_charset_cid_to_gindex( &cff->charset,
233 glyph_index );
234 if ( glyph_index == 0 )
235 return FT_THROW( Invalid_Argument );
236 }
237 }
238 else if ( glyph_index >= cff->num_glyphs )
239 return FT_THROW( Invalid_Argument );
240
241#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
242
243 /* try to load embedded bitmap if any */
244 /* */
245 /* XXX: The convention should be emphasized in */
246 /* the documents because it can be confusing. */
247 {
248 CFF_Face cff_face = (CFF_Face)size->root.face;
249 SFNT_Service sfnt = (SFNT_Service)cff_face->sfnt;
250 FT_Stream stream = cff_face->root.stream;
251
252
253 if ( size->strike_index != 0xFFFFFFFFUL &&
254 ( load_flags & FT_LOAD_NO_BITMAP ) == 0 &&
255 IS_DEFAULT_INSTANCE( size->root.face ) )
256 {
257 TT_SBit_MetricsRec metrics;
258
259
260 error = sfnt->load_sbit_image( face,
261 size->strike_index,
262 glyph_index,
263 (FT_UInt)load_flags,
264 stream,
265 &glyph->root.bitmap,
266 &metrics );
267
268 if ( !error )
269 {
270 FT_Bool has_vertical_info;
271 FT_UShort advance;
272 FT_Short dummy;
273
274
275 glyph->root.metrics.width = (FT_Pos)metrics.width * 64;
276 glyph->root.metrics.height = (FT_Pos)metrics.height * 64;
277
278 glyph->root.metrics.horiBearingX = (FT_Pos)metrics.horiBearingX * 64;
279 glyph->root.metrics.horiBearingY = (FT_Pos)metrics.horiBearingY * 64;
280 glyph->root.metrics.horiAdvance = (FT_Pos)metrics.horiAdvance * 64;
281
282 glyph->root.metrics.vertBearingX = (FT_Pos)metrics.vertBearingX * 64;
283 glyph->root.metrics.vertBearingY = (FT_Pos)metrics.vertBearingY * 64;
284 glyph->root.metrics.vertAdvance = (FT_Pos)metrics.vertAdvance * 64;
285
286 glyph->root.format = FT_GLYPH_FORMAT_BITMAP;
287
288 if ( load_flags & FT_LOAD_VERTICAL_LAYOUT )
289 {
290 glyph->root.bitmap_left = metrics.vertBearingX;
291 glyph->root.bitmap_top = metrics.vertBearingY;
292 }
293 else
294 {
295 glyph->root.bitmap_left = metrics.horiBearingX;
296 glyph->root.bitmap_top = metrics.horiBearingY;
297 }
298
299 /* compute linear advance widths */
300
301 (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 0,
302 glyph_index,
303 &dummy,
304 &advance );
305 glyph->root.linearHoriAdvance = advance;
306
307 has_vertical_info = FT_BOOL(
308 face->vertical_info &&
309 face->vertical.number_Of_VMetrics > 0 );
310
311 /* get the vertical metrics from the vmtx table if we have one */
312 if ( has_vertical_info )
313 {
314 (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 1,
315 glyph_index,
316 &dummy,
317 &advance );
318 glyph->root.linearVertAdvance = advance;
319 }
320 else
321 {
322 /* make up vertical ones */
323 if ( face->os2.version != 0xFFFFU )
324 glyph->root.linearVertAdvance = (FT_Pos)
325 ( face->os2.sTypoAscender - face->os2.sTypoDescender );
326 else
327 glyph->root.linearVertAdvance = (FT_Pos)
328 ( face->horizontal.Ascender - face->horizontal.Descender );
329 }
330
331 return error;
332 }
333 }
334 }
335
336#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
337
338 /* return immediately if we only want the embedded bitmaps */
339 if ( load_flags & FT_LOAD_SBITS_ONLY )
340 return FT_THROW( Invalid_Argument );
341
342#ifdef FT_CONFIG_OPTION_SVG
343 /* check for OT-SVG */
344 if ( ( load_flags & FT_LOAD_NO_SVG ) == 0 &&
345 ( load_flags & FT_LOAD_COLOR ) &&
346 face->svg )
347 {
348 /*
349 * We load the SVG document and try to grab the advances from the
350 * table. For the bearings we rely on the presetting hook to do that.
351 */
352
353 SFNT_Service sfnt = (SFNT_Service)face->sfnt;
354
355
356 if ( size && (size->root.metrics.x_ppem < 1 ||
357 size->root.metrics.y_ppem < 1 ) )
358 {
359 error = FT_THROW( Invalid_Size_Handle );
360 return error;
361 }
362
363 FT_TRACE3(( "Trying to load SVG glyph\n" ));
364
365 error = sfnt->load_svg_doc( (FT_GlyphSlot)glyph, glyph_index );
366 if ( !error )
367 {
368 FT_Fixed x_scale = size->root.metrics.x_scale;
369 FT_Fixed y_scale = size->root.metrics.y_scale;
370
371 FT_Short dummy;
372 FT_UShort advanceX;
373 FT_UShort advanceY;
374
375
376 FT_TRACE3(( "Successfully loaded SVG glyph\n" ));
377
378 glyph->root.format = FT_GLYPH_FORMAT_SVG;
379
380 /*
381 * If horizontal or vertical advances are not present in the table,
382 * this is a problem with the font since the standard requires them.
383 * However, we are graceful and calculate the values by ourselves
384 * for the vertical case.
385 */
386 sfnt->get_metrics( face,
387 FALSE,
388 glyph_index,
389 &dummy,
390 &advanceX );
391 sfnt->get_metrics( face,
392 TRUE,
393 glyph_index,
394 &dummy,
395 &advanceY );
396
397 glyph->root.linearHoriAdvance = advanceX;
398 glyph->root.linearVertAdvance = advanceY;
399
400 glyph->root.metrics.horiAdvance = FT_MulFix( advanceX, x_scale );
401 glyph->root.metrics.vertAdvance = FT_MulFix( advanceY, y_scale );
402
403 return error;
404 }
405
406 FT_TRACE3(( "Failed to load SVG glyph\n" ));
407 }
408
409#endif /* FT_CONFIG_OPTION_SVG */
410
411 /* top-level code ensures that FT_LOAD_NO_HINTING is set */
412 /* if FT_LOAD_NO_SCALE is active */
413 hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_HINTING ) == 0 );
414 scaled = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE ) == 0 );
415
416 glyph->hint = hinting;
417 glyph->scaled = scaled;
418
419 if ( scaled )
420 {
421 glyph->x_scale = size->root.metrics.x_scale;
422 glyph->y_scale = size->root.metrics.y_scale;
423 }
424 else
425 {
426 glyph->x_scale = 0x10000L;
427 glyph->y_scale = 0x10000L;
428 }
429
430 /* if we have a CID subfont, use its matrix (which has already */
431 /* been multiplied with the root matrix) */
432
433 /* this scaling is only relevant if the PS hinter isn't active */
434 if ( cff->num_subfonts )
435 {
436 FT_Long top_upm, sub_upm;
437 FT_Byte fd_index = cff_fd_select_get( &cff->fd_select,
438 glyph_index );
439
440
441 if ( fd_index >= cff->num_subfonts )
442 fd_index = (FT_Byte)( cff->num_subfonts - 1 );
443
444 top_upm = (FT_Long)cff->top_font.font_dict.units_per_em;
445 sub_upm = (FT_Long)cff->subfonts[fd_index]->font_dict.units_per_em;
446
447 font_matrix = cff->subfonts[fd_index]->font_dict.font_matrix;
448 font_offset = cff->subfonts[fd_index]->font_dict.font_offset;
449
450 if ( top_upm != sub_upm )
451 {
452 glyph->x_scale = FT_MulDiv( glyph->x_scale, top_upm, sub_upm );
453 glyph->y_scale = FT_MulDiv( glyph->y_scale, top_upm, sub_upm );
454
455 force_scaling = TRUE;
456 }
457 }
458 else
459 {
460 font_matrix = cff->top_font.font_dict.font_matrix;
461 font_offset = cff->top_font.font_dict.font_offset;
462 }
463
464 {
465#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
466 PS_Driver driver = (PS_Driver)FT_FACE_DRIVER( face );
467#endif
468
469 FT_Byte* charstring;
470 FT_ULong charstring_len;
471
472
473 decoder_funcs->init( &decoder, face, size, glyph, hinting,
474 FT_LOAD_TARGET_MODE( load_flags ),
475 cff_get_glyph_data,
476 cff_free_glyph_data );
477
478 /* this is for pure CFFs */
479 if ( load_flags & FT_LOAD_ADVANCE_ONLY )
480 decoder.width_only = TRUE;
481
482 decoder.builder.no_recurse =
483 FT_BOOL( load_flags & FT_LOAD_NO_RECURSE );
484
485 /* this function also checks for a valid subfont index */
486 error = decoder_funcs->prepare( &decoder, size, glyph_index );
487 if ( error )
488 goto Glyph_Build_Finished;
489
490 /* now load the unscaled outline */
491 error = cff_get_glyph_data( face, glyph_index,
492 &charstring, &charstring_len );
493 if ( error )
494 goto Glyph_Build_Finished;
495
496#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
497 /* choose which CFF renderer to use */
498 if ( driver->hinting_engine == FT_HINTING_FREETYPE )
499 error = decoder_funcs->parse_charstrings_old( &decoder,
500 charstring,
501 charstring_len,
502 0 );
503 else
504#endif
505 {
506 psaux->ps_decoder_init( &psdecoder, &decoder, FALSE );
507
508 error = decoder_funcs->parse_charstrings( &psdecoder,
509 charstring,
510 charstring_len );
511
512 /* Adobe's engine uses 16.16 numbers everywhere; */
513 /* as a consequence, glyphs larger than 2000ppem get rejected */
514 if ( FT_ERR_EQ( error, Glyph_Too_Big ) )
515 {
516 /* this time, we retry unhinted and scale up the glyph later on */
517 /* (the engine uses and sets the hardcoded value 0x10000 / 64 = */
518 /* 0x400 for both `x_scale' and `y_scale' in this case) */
519 hinting = FALSE;
520 force_scaling = TRUE;
521 glyph->hint = hinting;
522
523 error = decoder_funcs->parse_charstrings( &psdecoder,
524 charstring,
525 charstring_len );
526 }
527 }
528
529 cff_free_glyph_data( face, &charstring, charstring_len );
530
531 if ( error )
532 goto Glyph_Build_Finished;
533
534#ifdef FT_CONFIG_OPTION_INCREMENTAL
535 /* Control data and length may not be available for incremental */
536 /* fonts. */
537 if ( face->root.internal->incremental_interface )
538 {
539 glyph->root.control_data = NULL;
540 glyph->root.control_len = 0;
541 }
542 else
543#endif /* FT_CONFIG_OPTION_INCREMENTAL */
544
545 /* We set control_data and control_len if charstrings is loaded. */
546 /* See how charstring loads at cff_index_access_element() in */
547 /* cffload.c. */
548 {
549 CFF_Index csindex = &cff->charstrings_index;
550
551
552 if ( csindex->offsets )
553 {
554 glyph->root.control_data = csindex->bytes +
555 csindex->offsets[glyph_index] - 1;
556 glyph->root.control_len = (FT_Long)charstring_len;
557 }
558 }
559
560 Glyph_Build_Finished:
561 /* save new glyph tables, if no error */
562 if ( !error )
563 decoder.builder.funcs.done( &decoder.builder );
564 /* XXX: anything to do for broken glyph entry? */
565 }
566
567#ifdef FT_CONFIG_OPTION_INCREMENTAL
568
569 /* Incremental fonts can optionally override the metrics. */
570 if ( !error &&
571 face->root.internal->incremental_interface &&
572 face->root.internal->incremental_interface->funcs->get_glyph_metrics )
573 {
574 FT_Incremental_MetricsRec metrics;
575
576
577 metrics.bearing_x = decoder.builder.left_bearing.x;
578 metrics.bearing_y = 0;
579 metrics.advance = decoder.builder.advance.x;
580 metrics.advance_v = decoder.builder.advance.y;
581
582 error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
583 face->root.internal->incremental_interface->object,
584 glyph_index, FALSE, &metrics );
585
586 decoder.builder.left_bearing.x = metrics.bearing_x;
587 decoder.builder.advance.x = metrics.advance;
588 decoder.builder.advance.y = metrics.advance_v;
589 }
590
591#endif /* FT_CONFIG_OPTION_INCREMENTAL */
592
593 if ( !error )
594 {
595 /* Now, set the metrics -- this is rather simple, as */
596 /* the left side bearing is the xMin, and the top side */
597 /* bearing the yMax. For composite glyphs, return only */
598 /* left side bearing and advance width. */
599 if ( load_flags & FT_LOAD_NO_RECURSE )
600 {
601 FT_Slot_Internal internal = glyph->root.internal;
602
603
604 glyph->root.metrics.horiBearingX = decoder.builder.left_bearing.x;
605 glyph->root.metrics.horiAdvance = decoder.glyph_width;
606 internal->glyph_matrix = font_matrix;
607 internal->glyph_delta = font_offset;
608 internal->glyph_transformed = 1;
609 }
610 else
611 {
612 FT_BBox cbox;
613 FT_Glyph_Metrics* metrics = &glyph->root.metrics;
614 FT_Bool has_vertical_info;
615
616
617 glyph->root.format = FT_GLYPH_FORMAT_OUTLINE;
618
619 glyph->root.outline.flags = FT_OUTLINE_REVERSE_FILL;
620 if ( size && size->root.metrics.y_ppem < 24 )
621 glyph->root.outline.flags |= FT_OUTLINE_HIGH_PRECISION;
622
623 if ( face->horizontal.number_Of_HMetrics )
624 {
625 FT_Short horiBearingX = 0;
626 FT_UShort horiAdvance = 0;
627
628
629 ( (SFNT_Service)face->sfnt )->get_metrics( face, 0,
630 glyph_index,
631 &horiBearingX,
632 &horiAdvance );
633 metrics->horiAdvance = horiAdvance;
634 metrics->horiBearingX = horiBearingX;
635 glyph->root.linearHoriAdvance = horiAdvance;
636 }
637 else
638 {
639 /* copy the _unscaled_ advance width */
640 metrics->horiAdvance = decoder.glyph_width;
641 glyph->root.linearHoriAdvance = decoder.glyph_width;
642 }
643
644 glyph->root.internal->glyph_transformed = 0;
645
646 has_vertical_info = FT_BOOL( face->vertical_info &&
647 face->vertical.number_Of_VMetrics > 0 );
648
649 /* get the vertical metrics from the vmtx table if we have one */
650 if ( has_vertical_info )
651 {
652 FT_Short vertBearingY = 0;
653 FT_UShort vertAdvance = 0;
654
655
656 ( (SFNT_Service)face->sfnt )->get_metrics( face, 1,
657 glyph_index,
658 &vertBearingY,
659 &vertAdvance );
660 metrics->vertBearingY = vertBearingY;
661 metrics->vertAdvance = vertAdvance;
662 }
663 else
664 {
665 /* make up vertical ones */
666 if ( face->os2.version != 0xFFFFU )
667 metrics->vertAdvance = (FT_Pos)( face->os2.sTypoAscender -
668 face->os2.sTypoDescender );
669 else
670 metrics->vertAdvance = (FT_Pos)( face->horizontal.Ascender -
671 face->horizontal.Descender );
672 }
673
674 glyph->root.linearVertAdvance = metrics->vertAdvance;
675
676 /* apply the font matrix, if any */
677 if ( font_matrix.xx != 0x10000L || font_matrix.yy != 0x10000L ||
678 font_matrix.xy != 0 || font_matrix.yx != 0 )
679 {
680 FT_Outline_Transform( &glyph->root.outline, &font_matrix );
681
682 metrics->horiAdvance = FT_MulFix( metrics->horiAdvance,
683 font_matrix.xx );
684 metrics->vertAdvance = FT_MulFix( metrics->vertAdvance,
685 font_matrix.yy );
686 }
687
688 if ( font_offset.x || font_offset.y )
689 {
690 FT_Outline_Translate( &glyph->root.outline,
691 font_offset.x,
692 font_offset.y );
693
694 metrics->horiAdvance += font_offset.x;
695 metrics->vertAdvance += font_offset.y;
696 }
697
698 if ( scaled || force_scaling )
699 {
700 /* scale the outline and the metrics */
701 FT_Int n;
702 FT_Outline* cur = &glyph->root.outline;
703 FT_Vector* vec = cur->points;
704 FT_Fixed x_scale = glyph->x_scale;
705 FT_Fixed y_scale = glyph->y_scale;
706
707
708 /* First of all, scale the points */
709 if ( !hinting || !decoder.builder.hints_funcs )
710 for ( n = cur->n_points; n > 0; n--, vec++ )
711 {
712 vec->x = FT_MulFix( vec->x, x_scale );
713 vec->y = FT_MulFix( vec->y, y_scale );
714 }
715
716 /* Then scale the metrics */
717 metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
718 metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
719 }
720
721 /* compute the other metrics */
722 FT_Outline_Get_CBox( &glyph->root.outline, &cbox );
723
724 metrics->width = cbox.xMax - cbox.xMin;
725 metrics->height = cbox.yMax - cbox.yMin;
726
727 metrics->horiBearingX = cbox.xMin;
728 metrics->horiBearingY = cbox.yMax;
729
730 if ( has_vertical_info )
731 {
732 metrics->vertBearingX = metrics->horiBearingX -
733 metrics->horiAdvance / 2;
734 metrics->vertBearingY = FT_MulFix( metrics->vertBearingY,
735 glyph->y_scale );
736 }
737 else
738 {
739 if ( load_flags & FT_LOAD_VERTICAL_LAYOUT )
740 ft_synthesize_vertical_metrics( metrics,
741 metrics->vertAdvance );
742 }
743 }
744 }
745
746 return error;
747 }
748
749
750/* END */