ReactOS 0.4.15-dev-6056-gb29b268
psintrp.c
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1/***************************************************************************/
2/* */
3/* psintrp.c */
4/* */
5/* Adobe's CFF Interpreter (body). */
6/* */
7/* Copyright 2007-2014 Adobe Systems Incorporated. */
8/* */
9/* This software, and all works of authorship, whether in source or */
10/* object code form as indicated by the copyright notice(s) included */
11/* herein (collectively, the "Work") is made available, and may only be */
12/* used, modified, and distributed under the FreeType Project License, */
13/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */
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30/* */
31/* By using, modifying, or distributing the Work you indicate that you */
32/* have read and understood the terms and conditions of the */
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35/* */
36/***************************************************************************/
37
38
39#include "psft.h"
40#include FT_INTERNAL_DEBUG_H
41#include FT_SERVICE_CFF_TABLE_LOAD_H
42
43#include "psglue.h"
44#include "psfont.h"
45#include "psstack.h"
46#include "pshints.h"
47#include "psintrp.h"
48
49#include "pserror.h"
50
51#include "psobjs.h" /* for cff_random */
52#include "t1decode.h" /* for t1 seac */
53
54
55 /*************************************************************************/
56 /* */
57 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
58 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
59 /* messages during execution. */
60 /* */
61#undef FT_COMPONENT
62#define FT_COMPONENT trace_cf2interp
63
64
65 FT_LOCAL_DEF( void )
66 cf2_hintmask_init( CF2_HintMask hintmask,
67 FT_Error* error )
68 {
69 FT_ZERO( hintmask );
70
71 hintmask->error = error;
72 }
73
74
75 FT_LOCAL_DEF( FT_Bool )
76 cf2_hintmask_isValid( const CF2_HintMask hintmask )
77 {
78 return hintmask->isValid;
79 }
80
81
82 FT_LOCAL_DEF( FT_Bool )
83 cf2_hintmask_isNew( const CF2_HintMask hintmask )
84 {
85 return hintmask->isNew;
86 }
87
88
89 FT_LOCAL_DEF( void )
90 cf2_hintmask_setNew( CF2_HintMask hintmask,
91 FT_Bool val )
92 {
93 hintmask->isNew = val;
94 }
95
96
97 /* clients call `getMaskPtr' in order to iterate */
98 /* through hint mask */
99
100 FT_LOCAL_DEF( FT_Byte* )
101 cf2_hintmask_getMaskPtr( CF2_HintMask hintmask )
102 {
103 return hintmask->mask;
104 }
105
106
107 static size_t
108 cf2_hintmask_setCounts( CF2_HintMask hintmask,
109 size_t bitCount )
110 {
111 if ( bitCount > CF2_MAX_HINTS )
112 {
113 /* total of h and v stems must be <= 96 */
114 CF2_SET_ERROR( hintmask->error, Invalid_Glyph_Format );
115 return 0;
116 }
117
118 hintmask->bitCount = bitCount;
119 hintmask->byteCount = ( hintmask->bitCount + 7 ) / 8;
120
121 hintmask->isValid = TRUE;
122 hintmask->isNew = TRUE;
123
124 return bitCount;
125 }
126
127
128 /* consume the hintmask bytes from the charstring, advancing the src */
129 /* pointer */
130 static void
131 cf2_hintmask_read( CF2_HintMask hintmask,
132 CF2_Buffer charstring,
133 size_t bitCount )
134 {
135 size_t i;
136
137#ifndef CF2_NDEBUG
138 /* these are the bits in the final mask byte that should be zero */
139 /* Note: this variable is only used in an assert expression below */
140 /* and then only if CF2_NDEBUG is not defined */
141 CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1;
142#endif
143
144
145 /* initialize counts and isValid */
146 if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 )
147 return;
148
149 FT_ASSERT( hintmask->byteCount > 0 );
150
151 FT_TRACE4(( " (maskbytes:" ));
152
153 /* set mask and advance interpreter's charstring pointer */
154 for ( i = 0; i < hintmask->byteCount; i++ )
155 {
156 hintmask->mask[i] = (FT_Byte)cf2_buf_readByte( charstring );
157 FT_TRACE4(( " 0x%02X", hintmask->mask[i] ));
158 }
159
160 FT_TRACE4(( ")\n" ));
161
162 /* assert any unused bits in last byte are zero unless there's a prior */
163 /* error */
164 /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */
165#ifndef CF2_NDEBUG
166 FT_ASSERT( ( hintmask->mask[hintmask->byteCount - 1] & mask ) == 0 ||
167 *hintmask->error );
168#endif
169 }
170
171
172 FT_LOCAL_DEF( void )
173 cf2_hintmask_setAll( CF2_HintMask hintmask,
174 size_t bitCount )
175 {
176 size_t i;
177 CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1;
178
179
180 /* initialize counts and isValid */
181 if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 )
182 return;
183
184 FT_ASSERT( hintmask->byteCount > 0 );
185 FT_ASSERT( hintmask->byteCount <=
186 sizeof ( hintmask->mask ) / sizeof ( hintmask->mask[0] ) );
187
188 /* set mask to all ones */
189 for ( i = 0; i < hintmask->byteCount; i++ )
190 hintmask->mask[i] = 0xFF;
191
192 /* clear unused bits */
193 /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */
194 hintmask->mask[hintmask->byteCount - 1] &= ~mask;
195 }
196
197
198 /* Type2 charstring opcodes */
199 enum
200 {
201 cf2_cmdRESERVED_0, /* 0 */
202 cf2_cmdHSTEM, /* 1 */
203 cf2_cmdRESERVED_2, /* 2 */
204 cf2_cmdVSTEM, /* 3 */
205 cf2_cmdVMOVETO, /* 4 */
206 cf2_cmdRLINETO, /* 5 */
207 cf2_cmdHLINETO, /* 6 */
208 cf2_cmdVLINETO, /* 7 */
209 cf2_cmdRRCURVETO, /* 8 */
210 cf2_cmdCLOSEPATH, /* 9 T1 only */
211 cf2_cmdCALLSUBR, /* 10 */
212 cf2_cmdRETURN, /* 11 */
213 cf2_cmdESC, /* 12 */
214 cf2_cmdHSBW, /* 13 T1 only */
215 cf2_cmdENDCHAR, /* 14 */
216 cf2_cmdVSINDEX, /* 15 */
217 cf2_cmdBLEND, /* 16 */
218 cf2_cmdRESERVED_17, /* 17 */
219 cf2_cmdHSTEMHM, /* 18 */
220 cf2_cmdHINTMASK, /* 19 */
221 cf2_cmdCNTRMASK, /* 20 */
222 cf2_cmdRMOVETO, /* 21 */
223 cf2_cmdHMOVETO, /* 22 */
224 cf2_cmdVSTEMHM, /* 23 */
225 cf2_cmdRCURVELINE, /* 24 */
226 cf2_cmdRLINECURVE, /* 25 */
227 cf2_cmdVVCURVETO, /* 26 */
228 cf2_cmdHHCURVETO, /* 27 */
229 cf2_cmdEXTENDEDNMBR, /* 28 */
230 cf2_cmdCALLGSUBR, /* 29 */
231 cf2_cmdVHCURVETO, /* 30 */
232 cf2_cmdHVCURVETO /* 31 */
233 };
234
235 enum
236 {
237 cf2_escDOTSECTION, /* 0 */
238 cf2_escVSTEM3, /* 1 T1 only */
239 cf2_escHSTEM3, /* 2 T1 only */
240 cf2_escAND, /* 3 */
241 cf2_escOR, /* 4 */
242 cf2_escNOT, /* 5 */
243 cf2_escSEAC, /* 6 T1 only */
244 cf2_escSBW, /* 7 T1 only */
245 cf2_escRESERVED_8, /* 8 */
246 cf2_escABS, /* 9 */
247 cf2_escADD, /* 10 like otherADD */
248 cf2_escSUB, /* 11 like otherSUB */
249 cf2_escDIV, /* 12 */
250 cf2_escRESERVED_13, /* 13 */
251 cf2_escNEG, /* 14 */
252 cf2_escEQ, /* 15 */
253 cf2_escCALLOTHERSUBR,/* 16 T1 only */
254 cf2_escPOP, /* 17 T1 only */
255 cf2_escDROP, /* 18 */
256 cf2_escRESERVED_19, /* 19 */
257 cf2_escPUT, /* 20 like otherPUT */
258 cf2_escGET, /* 21 like otherGET */
259 cf2_escIFELSE, /* 22 like otherIFELSE */
260 cf2_escRANDOM, /* 23 like otherRANDOM */
261 cf2_escMUL, /* 24 like otherMUL */
262 cf2_escRESERVED_25, /* 25 */
263 cf2_escSQRT, /* 26 */
264 cf2_escDUP, /* 27 like otherDUP */
265 cf2_escEXCH, /* 28 like otherEXCH */
266 cf2_escINDEX, /* 29 */
267 cf2_escROLL, /* 30 */
268 cf2_escRESERVED_31, /* 31 */
269 cf2_escRESERVED_32, /* 32 */
270 cf2_escSETCURRENTPT, /* 33 T1 only */
271 cf2_escHFLEX, /* 34 */
272 cf2_escFLEX, /* 35 */
273 cf2_escHFLEX1, /* 36 */
274 cf2_escFLEX1, /* 37 */
275 cf2_escRESERVED_38 /* 38 & all higher */
276 };
277
278
279 /* `stemHintArray' does not change once we start drawing the outline. */
280 static void
281 cf2_doStems( const CF2_Font font,
282 CF2_Stack opStack,
283 CF2_ArrStack stemHintArray,
284 CF2_Fixed* width,
285 FT_Bool* haveWidth,
286 CF2_Fixed hintOffset )
287 {
288 CF2_UInt i;
289 CF2_UInt count = cf2_stack_count( opStack );
290 FT_Bool hasWidthArg = (FT_Bool)( count & 1 );
291
292 /* variable accumulates delta values from operand stack */
293 CF2_Fixed position = hintOffset;
294
295 if ( font->isT1 && !font->decoder->flex_state && !*haveWidth )
296 FT_ERROR(( "cf2_doStems (Type 1 mode):"
297 " No width. Use hsbw/sbw as first op\n" ));
298
299 if ( !font->isT1 && hasWidthArg && !*haveWidth )
300 *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ),
301 cf2_getNominalWidthX( font->decoder ) );
302
303 if ( font->decoder->width_only )
304 goto exit;
305
306 for ( i = hasWidthArg ? 1 : 0; i < count; i += 2 )
307 {
308 /* construct a CF2_StemHint and push it onto the list */
309 CF2_StemHintRec stemhint;
310
311
312 stemhint.min =
313 position = ADD_INT32( position,
314 cf2_stack_getReal( opStack, i ) );
315 stemhint.max =
316 position = ADD_INT32( position,
317 cf2_stack_getReal( opStack, i + 1 ) );
318
319 stemhint.used = FALSE;
320 stemhint.maxDS =
321 stemhint.minDS = 0;
322
323 cf2_arrstack_push( stemHintArray, &stemhint ); /* defer error check */
324 }
325
326 cf2_stack_clear( opStack );
327
328 exit:
329 /* cf2_doStems must define a width (may be default) */
330 *haveWidth = TRUE;
331 }
332
333
334 static void
335 cf2_doFlex( CF2_Stack opStack,
336 CF2_Fixed* curX,
337 CF2_Fixed* curY,
338 CF2_GlyphPath glyphPath,
339 const FT_Bool* readFromStack,
340 FT_Bool doConditionalLastRead )
341 {
342 CF2_Fixed vals[14];
343 CF2_UInt idx;
344 FT_Bool isHFlex;
345 CF2_Int top, i, j;
346
347
348 vals[0] = *curX;
349 vals[1] = *curY;
350 idx = 0;
351 isHFlex = FT_BOOL( readFromStack[9] == FALSE );
352 top = isHFlex ? 9 : 10;
353
354 for ( i = 0; i < top; i++ )
355 {
356 vals[i + 2] = vals[i];
357 if ( readFromStack[i] )
358 vals[i + 2] = ADD_INT32( vals[i + 2], cf2_stack_getReal( opStack,
359 idx++ ) );
360 }
361
362 if ( isHFlex )
363 vals[9 + 2] = *curY;
364
365 if ( doConditionalLastRead )
366 {
367 FT_Bool lastIsX = (FT_Bool)(
368 cf2_fixedAbs( SUB_INT32( vals[10], *curX ) ) >
369 cf2_fixedAbs( SUB_INT32( vals[11], *curY ) ) );
370 CF2_Fixed lastVal = cf2_stack_getReal( opStack, idx );
371
372
373 if ( lastIsX )
374 {
375 vals[12] = ADD_INT32( vals[10], lastVal );
376 vals[13] = *curY;
377 }
378 else
379 {
380 vals[12] = *curX;
381 vals[13] = ADD_INT32( vals[11], lastVal );
382 }
383 }
384 else
385 {
386 if ( readFromStack[10] )
387 vals[12] = ADD_INT32( vals[10],
388 cf2_stack_getReal( opStack, idx++ ) );
389 else
390 vals[12] = *curX;
391
392 if ( readFromStack[11] )
393 vals[13] = ADD_INT32( vals[11],
394 cf2_stack_getReal( opStack, idx ) );
395 else
396 vals[13] = *curY;
397 }
398
399 for ( j = 0; j < 2; j++ )
400 cf2_glyphpath_curveTo( glyphPath, vals[j * 6 + 2],
401 vals[j * 6 + 3],
402 vals[j * 6 + 4],
403 vals[j * 6 + 5],
404 vals[j * 6 + 6],
405 vals[j * 6 + 7] );
406
407 cf2_stack_clear( opStack );
408
409 *curX = vals[12];
410 *curY = vals[13];
411 }
412
413
414 /* Blend numOperands on the stack, */
415 /* store results into the first numBlends values, */
416 /* then pop remaining arguments. */
417 static void
418 cf2_doBlend( const CFF_Blend blend,
419 CF2_Stack opStack,
420 CF2_UInt numBlends )
421 {
422 CF2_UInt delta;
423 CF2_UInt base;
424 CF2_UInt i, j;
425 CF2_UInt numOperands = (CF2_UInt)( numBlends * blend->lenBV );
426
427
428 base = cf2_stack_count( opStack ) - numOperands;
429 delta = base + numBlends;
430
431 for ( i = 0; i < numBlends; i++ )
432 {
433 const CF2_Fixed* weight = &blend->BV[1];
434
435 /* start with first term */
436 CF2_Fixed sum = cf2_stack_getReal( opStack, i + base );
437
438
439 for ( j = 1; j < blend->lenBV; j++ )
440 sum = ADD_INT32( sum,
441 FT_MulFix( *weight++,
442 cf2_stack_getReal( opStack,
443 delta++ ) ) );
444
445 /* store blended result */
446 cf2_stack_setReal( opStack, i + base, sum );
447 }
448
449 /* leave only `numBlends' results on stack */
450 cf2_stack_pop( opStack, numOperands - numBlends );
451 }
452
453
454 /*
455 * `error' is a shared error code used by many objects in this
456 * routine. Before the code continues from an error, it must check and
457 * record the error in `*error'. The idea is that this shared
458 * error code will record the first error encountered. If testing
459 * for an error anyway, the cost of `goto exit' is small, so we do it,
460 * even if continuing would be safe. In this case, `lastError' is
461 * set, so the testing and storing can be done in one place, at `exit'.
462 *
463 * Continuing after an error is intended for objects which do their own
464 * testing of `*error', e.g., array stack functions. This allows us to
465 * avoid an extra test after the call.
466 *
467 * Unimplemented opcodes are ignored.
468 *
469 */
470 FT_LOCAL_DEF( void )
471 cf2_interpT2CharString( CF2_Font font,
472 CF2_Buffer buf,
473 CF2_OutlineCallbacks callbacks,
474 const FT_Vector* translation,
475 FT_Bool doingSeac,
476 CF2_Fixed curX,
477 CF2_Fixed curY,
478 CF2_Fixed* width )
479 {
480 /* lastError is used for errors that are immediately tested */
481 FT_Error lastError = FT_Err_Ok;
482
483 /* pointer to parsed font object */
484 PS_Decoder* decoder = font->decoder;
485
486 FT_Error* error = &font->error;
487 FT_Memory memory = font->memory;
488
489 CF2_Fixed scaleY = font->innerTransform.d;
490 CF2_Fixed nominalWidthX = cf2_getNominalWidthX( decoder );
491
492 /* stuff for Type 1 */
493 FT_Int known_othersubr_result_cnt = 0;
494 FT_Bool large_int = FALSE;
495 FT_Bool initial_map_ready = FALSE;
496
497#define PS_STORAGE_SIZE 3
498 CF2_F16Dot16 results[PS_STORAGE_SIZE]; /* for othersubr results */
499 FT_Int result_cnt = 0;
500
501 /* save this for hinting seac accents */
502 CF2_Fixed hintOriginY = curY;
503
504 CF2_Stack opStack = NULL;
505 FT_UInt stackSize;
506 FT_Byte op1; /* first opcode byte */
507
508 CF2_F16Dot16 storage[CF2_STORAGE_SIZE]; /* for `put' and `get' */
509 CF2_F16Dot16 flexStore[6]; /* for Type 1 flex */
510
511 /* instruction limit; 20,000,000 matches Avalon */
512 FT_UInt32 instructionLimit = 20000000UL;
513
514 CF2_ArrStackRec subrStack;
515
516 FT_Bool haveWidth;
517 CF2_Buffer charstring = NULL;
518
519 CF2_Int charstringIndex = -1; /* initialize to empty */
520
521 /* TODO: placeholders for hint structures */
522
523 /* objects used for hinting */
524 CF2_ArrStackRec hStemHintArray;
525 CF2_ArrStackRec vStemHintArray;
526
527 CF2_HintMaskRec hintMask;
528#ifdef __REACTOS__
529 CF2_GlyphPathRec *glyphPath = malloc(sizeof(CF2_GlyphPathRec));
530 if (!glyphPath) return;
531/* Ugly but it allows us to reduce the diff */
532#define glyphPath (*glyphPath)
533#else
534 CF2_GlyphPathRec glyphPath;
535#endif
536
537 FT_ZERO( &storage );
538 FT_ZERO( &results );
539 FT_ZERO( &flexStore );
540
541 /* initialize the remaining objects */
542 cf2_arrstack_init( &subrStack,
543 memory,
544 error,
545 sizeof ( CF2_BufferRec ) );
546 cf2_arrstack_init( &hStemHintArray,
547 memory,
548 error,
549 sizeof ( CF2_StemHintRec ) );
550 cf2_arrstack_init( &vStemHintArray,
551 memory,
552 error,
553 sizeof ( CF2_StemHintRec ) );
554
555 /* initialize CF2_StemHint arrays */
556 cf2_hintmask_init( &hintMask, error );
557
558 /* initialize path map to manage drawing operations */
559
560 /* Note: last 4 params are used to handle `MoveToPermissive', which */
561 /* may need to call `hintMap.Build' */
562 /* TODO: MoveToPermissive is gone; are these still needed? */
563 cf2_glyphpath_init( &glyphPath,
564 font,
565 callbacks,
566 scaleY,
567 /* hShift, */
568 &hStemHintArray,
569 &vStemHintArray,
570 &hintMask,
571 hintOriginY,
572 &font->blues,
573 translation );
574
575 /*
576 * Initialize state for width parsing. From the CFF Spec:
577 *
578 * The first stack-clearing operator, which must be one of hstem,
579 * hstemhm, vstem, vstemhm, cntrmask, hintmask, hmoveto, vmoveto,
580 * rmoveto, or endchar, takes an additional argument - the width (as
581 * described earlier), which may be expressed as zero or one numeric
582 * argument.
583 *
584 * What we implement here uses the first validly specified width, but
585 * does not detect errors for specifying more than one width.
586 *
587 * If one of the above operators occurs without explicitly specifying
588 * a width, we assume the default width.
589 *
590 * CFF2 charstrings always return the default width (0).
591 *
592 */
593 haveWidth = font->isCFF2 ? TRUE : FALSE;
594 *width = cf2_getDefaultWidthX( decoder );
595
596 /*
597 * Note: At this point, all pointers to resources must be NULL
598 * and all local objects must be initialized.
599 * There must be no branches to `exit:' above this point.
600 *
601 */
602
603 /* allocate an operand stack */
604 stackSize = font->isCFF2 ? cf2_getMaxstack( decoder )
605 : CF2_OPERAND_STACK_SIZE;
606 opStack = cf2_stack_init( memory, error, stackSize );
607
608 if ( !opStack )
609 {
610 lastError = FT_THROW( Out_Of_Memory );
611 goto exit;
612 }
613
614 /* initialize subroutine stack by placing top level charstring as */
615 /* first element (max depth plus one for the charstring) */
616 /* Note: Caller owns and must finalize the first charstring. */
617 /* Our copy of it does not change that requirement. */
618 cf2_arrstack_setCount( &subrStack, CF2_MAX_SUBR + 1 );
619
620 charstring = (CF2_Buffer)cf2_arrstack_getBuffer( &subrStack );
621 *charstring = *buf; /* structure copy */
622
623 charstringIndex = 0; /* entry is valid now */
624
625 /* catch errors so far */
626 if ( *error )
627 goto exit;
628
629 /* main interpreter loop */
630 while ( 1 )
631 {
632 if ( font->isT1 )
633 FT_ASSERT( known_othersubr_result_cnt == 0 ||
634 result_cnt == 0 );
635
636 if ( cf2_buf_isEnd( charstring ) )
637 {
638 /* If we've reached the end of the charstring, simulate a */
639 /* cf2_cmdRETURN or cf2_cmdENDCHAR. */
640 /* We do this for both CFF and CFF2. */
641 if ( charstringIndex )
642 op1 = cf2_cmdRETURN; /* end of buffer for subroutine */
643 else
644 op1 = cf2_cmdENDCHAR; /* end of buffer for top level charstring */
645 }
646 else
647 {
648 op1 = (FT_Byte)cf2_buf_readByte( charstring );
649
650 /* Explicit RETURN and ENDCHAR in CFF2 should be ignored. */
651 /* Note: Trace message will report 0 instead of 11 or 14. */
652 if ( ( op1 == cf2_cmdRETURN || op1 == cf2_cmdENDCHAR ) &&
653 font->isCFF2 )
654 op1 = cf2_cmdRESERVED_0;
655 }
656
657 if ( font->isT1 )
658 {
659 if ( !initial_map_ready &&
660 !( op1 == cf2_cmdHSTEM ||
661 op1 == cf2_cmdVSTEM ||
662 op1 == cf2_cmdHSBW ||
663 op1 == cf2_cmdCALLSUBR ||
664 op1 == cf2_cmdRETURN ||
665 op1 == cf2_cmdESC ||
666 op1 == cf2_cmdENDCHAR ||
667 op1 >= 32 /* Numbers */ ) )
668 {
669 /* Skip outline commands first time round. */
670 /* `endchar' will trigger initial hintmap build */
671 /* and rewind the charstring. */
672 cf2_stack_clear( opStack );
673 continue;
674 }
675
676 if ( result_cnt > 0 &&
677 !( op1 == cf2_cmdCALLSUBR ||
678 op1 == cf2_cmdRETURN ||
679 op1 == cf2_cmdESC ||
680 op1 >= 32 /* Numbers */ ) )
681 {
682 /* all operands have been transferred by previous pops */
683 result_cnt = 0;
684 }
685
686 if ( large_int && !( op1 >= 32 || op1 == cf2_escDIV ) )
687 {
688 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
689 " no `div' after large integer\n" ));
690
691 large_int = FALSE;
692 }
693 }
694
695 /* check for errors once per loop */
696 if ( *error )
697 goto exit;
698
699 instructionLimit--;
700 if ( instructionLimit == 0 )
701 {
702 lastError = FT_THROW( Invalid_Glyph_Format );
703 goto exit;
704 }
705
706 switch( op1 )
707 {
708 case cf2_cmdRESERVED_0:
709 case cf2_cmdRESERVED_2:
710 case cf2_cmdRESERVED_17:
711 /* we may get here if we have a prior error */
712 FT_TRACE4(( " unknown op (%d)\n", op1 ));
713 break;
714
715 case cf2_cmdVSINDEX:
716 FT_TRACE4(( " vsindex\n" ));
717
718 if ( !font->isCFF2 )
719 break; /* clear stack & ignore */
720
721 if ( font->blend.usedBV )
722 {
723 /* vsindex not allowed after blend */
724 lastError = FT_THROW( Invalid_Glyph_Format );
725 goto exit;
726 }
727
728 {
729 FT_Int temp = cf2_stack_popInt( opStack );
730
731
732 if ( temp >= 0 )
733 font->vsindex = (FT_UInt)temp;
734 }
735 break;
736
737 case cf2_cmdBLEND:
738 {
739 FT_UInt numBlends;
740
741
742 FT_TRACE4(( " blend\n" ));
743
744 if ( !font->isCFF2 )
745 break; /* clear stack & ignore */
746
747 /* do we have a `blend' op in a non-variant font? */
748 if ( !font->blend.font )
749 {
750 lastError = FT_THROW( Invalid_Glyph_Format );
751 goto exit;
752 }
753
754 /* check cached blend vector */
755 if ( font->cffload->blend_check_vector( &font->blend,
756 font->vsindex,
757 font->lenNDV,
758 font->NDV ) )
759 {
760 lastError = font->cffload->blend_build_vector( &font->blend,
761 font->vsindex,
762 font->lenNDV,
763 font->NDV );
764 if ( lastError )
765 goto exit;
766 }
767
768 /* do the blend */
769 numBlends = (FT_UInt)cf2_stack_popInt( opStack );
770 if ( numBlends > stackSize )
771 {
772 lastError = FT_THROW( Invalid_Glyph_Format );
773 goto exit;
774 }
775
776 cf2_doBlend( &font->blend, opStack, numBlends );
777
778 font->blend.usedBV = TRUE;
779 }
780 continue; /* do not clear the stack */
781
782 case cf2_cmdHSTEMHM:
783 case cf2_cmdHSTEM:
784 FT_TRACE4(( op1 == cf2_cmdHSTEMHM ? " hstemhm\n" : " hstem\n" ));
785
786 if ( !font->isT1 )
787 {
788 /* never add hints after the mask is computed */
789 /* except if in Type 1 mode (no hintmask op) */
790 if ( cf2_hintmask_isValid( &hintMask ) )
791 {
792 FT_TRACE4(( "cf2_interpT2CharString:"
793 " invalid horizontal hint mask\n" ));
794 break;
795 }
796 }
797
798 /* add left-sidebearing correction in Type 1 mode */
799 cf2_doStems( font,
800 opStack,
801 &hStemHintArray,
802 width,
803 &haveWidth,
804 font->isT1 ? decoder->builder.left_bearing->y
805 : 0 );
806
807 if ( decoder->width_only )
808 goto exit;
809
810 break;
811
812 case cf2_cmdVSTEMHM:
813 case cf2_cmdVSTEM:
814 FT_TRACE4(( op1 == cf2_cmdVSTEMHM ? " vstemhm\n" : " vstem\n" ));
815
816 if ( !font->isT1 )
817 {
818 /* never add hints after the mask is computed */
819 /* except if in Type 1 mode (no hintmask op) */
820 if ( cf2_hintmask_isValid( &hintMask ) )
821 {
822 FT_TRACE4(( "cf2_interpT2CharString:"
823 " invalid vertical hint mask\n" ));
824 break;
825 }
826 }
827
828 /* add left-sidebearing correction in Type 1 mode */
829 cf2_doStems( font,
830 opStack,
831 &vStemHintArray,
832 width,
833 &haveWidth,
834 font->isT1 ? decoder->builder.left_bearing->x
835 : 0 );
836
837 if ( decoder->width_only )
838 goto exit;
839
840 break;
841
842 case cf2_cmdVMOVETO:
843 FT_TRACE4(( " vmoveto\n" ));
844
845 if ( font->isT1 && !decoder->flex_state && !haveWidth )
846 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
847 " No width. Use hsbw/sbw as first op\n" ));
848
849 if ( cf2_stack_count( opStack ) > 1 && !haveWidth )
850 *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ),
851 nominalWidthX );
852
853 /* width is defined or default after this */
854 haveWidth = TRUE;
855
856 if ( decoder->width_only )
857 goto exit;
858
859 curY = ADD_INT32( curY, cf2_stack_popFixed( opStack ) );
860
861 cf2_glyphpath_moveTo( &glyphPath, curX, curY );
862
863 break;
864
865 case cf2_cmdRLINETO:
866 {
867 CF2_UInt idx;
868 CF2_UInt count = cf2_stack_count( opStack );
869
870
871 FT_TRACE4(( " rlineto\n" ));
872
873 for ( idx = 0; idx < count; idx += 2 )
874 {
875 curX = ADD_INT32( curX, cf2_stack_getReal( opStack,
876 idx + 0 ) );
877 curY = ADD_INT32( curY, cf2_stack_getReal( opStack,
878 idx + 1 ) );
879
880 cf2_glyphpath_lineTo( &glyphPath, curX, curY );
881 }
882
883 cf2_stack_clear( opStack );
884 }
885 continue; /* no need to clear stack again */
886
887 case cf2_cmdHLINETO:
888 case cf2_cmdVLINETO:
889 {
890 CF2_UInt idx;
891 CF2_UInt count = cf2_stack_count( opStack );
892
893 FT_Bool isX = FT_BOOL( op1 == cf2_cmdHLINETO );
894
895
896 FT_TRACE4(( isX ? " hlineto\n" : " vlineto\n" ));
897
898 for ( idx = 0; idx < count; idx++ )
899 {
900 CF2_Fixed v = cf2_stack_getReal( opStack, idx );
901
902
903 if ( isX )
904 curX = ADD_INT32( curX, v );
905 else
906 curY = ADD_INT32( curY, v );
907
908 isX = !isX;
909
910 cf2_glyphpath_lineTo( &glyphPath, curX, curY );
911 }
912
913 cf2_stack_clear( opStack );
914 }
915 continue;
916
917 case cf2_cmdRCURVELINE:
918 case cf2_cmdRRCURVETO:
919 {
920 CF2_UInt count = cf2_stack_count( opStack );
921 CF2_UInt idx = 0;
922
923
924 FT_TRACE4(( op1 == cf2_cmdRCURVELINE ? " rcurveline\n"
925 : " rrcurveto\n" ));
926
927 while ( idx + 6 <= count )
928 {
929 CF2_Fixed x1, y1, x2, y2, x3, y3;
930
931
932 x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX );
933 y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), curY );
934 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), x1 );
935 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y1 );
936 x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 );
937 y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 5 ), y2 );
938
939 cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 );
940
941 curX = x3;
942 curY = y3;
943 idx += 6;
944 }
945
946 if ( op1 == cf2_cmdRCURVELINE )
947 {
948 curX = ADD_INT32( curX, cf2_stack_getReal( opStack,
949 idx + 0 ) );
950 curY = ADD_INT32( curY, cf2_stack_getReal( opStack,
951 idx + 1 ) );
952
953 cf2_glyphpath_lineTo( &glyphPath, curX, curY );
954 }
955
956 cf2_stack_clear( opStack );
957 }
958 continue; /* no need to clear stack again */
959
960 case cf2_cmdCLOSEPATH:
961 if ( !font->isT1 )
962 FT_TRACE4(( " unknown op (%d)\n", op1 ));
963 else
964 {
965 FT_TRACE4(( " closepath" ));
966
967 /* if there is no path, `closepath' is a no-op */
968 ps_builder_close_contour( &decoder->builder );
969
970 haveWidth = TRUE;
971 }
972 break;
973
974 case cf2_cmdCALLGSUBR:
975 case cf2_cmdCALLSUBR:
976 {
977 CF2_Int subrNum;
978
979
980 FT_TRACE4(( op1 == cf2_cmdCALLGSUBR ? " callgsubr"
981 : " callsubr" ));
982
983 if ( ( !font->isT1 && charstringIndex > CF2_MAX_SUBR ) ||
984 ( font->isT1 && charstringIndex > T1_MAX_SUBRS_CALLS ) )
985 {
986 /* max subr plus one for charstring */
987 lastError = FT_THROW( Invalid_Glyph_Format );
988 goto exit; /* overflow of stack */
989 }
990
991 /* push our current CFF charstring region on subrStack */
992 charstring = (CF2_Buffer)
993 cf2_arrstack_getPointer(
994 &subrStack,
995 (size_t)charstringIndex + 1 );
996
997 /* set up the new CFF region and pointer */
998 subrNum = cf2_stack_popInt( opStack );
999
1000 if ( font->isT1 && decoder->locals_hash )
1001 {
1002 size_t* val = ft_hash_num_lookup( subrNum,
1003 decoder->locals_hash );
1004
1005
1006 if ( val )
1007 subrNum = *val;
1008 else
1009 subrNum = -1;
1010 }
1011
1012 switch ( op1 )
1013 {
1014 case cf2_cmdCALLGSUBR:
1015 FT_TRACE4(( " (idx %d, entering level %d)\n",
1016 subrNum + decoder->globals_bias,
1017 charstringIndex + 1 ));
1018
1019 if ( cf2_initGlobalRegionBuffer( decoder,
1020 subrNum,
1021 charstring ) )
1022 {
1023 lastError = FT_THROW( Invalid_Glyph_Format );
1024 goto exit; /* subroutine lookup or stream error */
1025 }
1026 break;
1027
1028 default:
1029 /* cf2_cmdCALLSUBR */
1030 FT_TRACE4(( " (idx %d, entering level %d)\n",
1031 subrNum + decoder->locals_bias,
1032 charstringIndex + 1 ));
1033
1034 if ( cf2_initLocalRegionBuffer( decoder,
1035 subrNum,
1036 charstring ) )
1037 {
1038 lastError = FT_THROW( Invalid_Glyph_Format );
1039 goto exit; /* subroutine lookup or stream error */
1040 }
1041 }
1042
1043 charstringIndex += 1; /* entry is valid now */
1044 }
1045 continue; /* do not clear the stack */
1046
1047 case cf2_cmdRETURN:
1048 FT_TRACE4(( " return (leaving level %d)\n", charstringIndex ));
1049
1050 if ( charstringIndex < 1 )
1051 {
1052 /* Note: cannot return from top charstring */
1053 lastError = FT_THROW( Invalid_Glyph_Format );
1054 goto exit; /* underflow of stack */
1055 }
1056
1057 /* restore position in previous charstring */
1058 charstring = (CF2_Buffer)
1059 cf2_arrstack_getPointer(
1060 &subrStack,
1061 (CF2_UInt)--charstringIndex );
1062 continue; /* do not clear the stack */
1063
1064 case cf2_cmdESC:
1065 {
1066 FT_Byte op2 = (FT_Byte)cf2_buf_readByte( charstring );
1067
1068
1069 /* first switch for 2-byte operators handles CFF2 */
1070 /* and opcodes that are reserved for both CFF and CFF2 */
1071 switch ( op2 )
1072 {
1073 case cf2_escHFLEX:
1074 {
1075 static const FT_Bool readFromStack[12] =
1076 {
1077 TRUE /* dx1 */, FALSE /* dy1 */,
1078 TRUE /* dx2 */, TRUE /* dy2 */,
1079 TRUE /* dx3 */, FALSE /* dy3 */,
1080 TRUE /* dx4 */, FALSE /* dy4 */,
1081 TRUE /* dx5 */, FALSE /* dy5 */,
1082 TRUE /* dx6 */, FALSE /* dy6 */
1083 };
1084
1085
1086 FT_TRACE4(( " hflex\n" ));
1087
1088 cf2_doFlex( opStack,
1089 &curX,
1090 &curY,
1091 &glyphPath,
1092 readFromStack,
1093 FALSE /* doConditionalLastRead */ );
1094 }
1095 continue;
1096
1097 case cf2_escFLEX:
1098 {
1099 static const FT_Bool readFromStack[12] =
1100 {
1101 TRUE /* dx1 */, TRUE /* dy1 */,
1102 TRUE /* dx2 */, TRUE /* dy2 */,
1103 TRUE /* dx3 */, TRUE /* dy3 */,
1104 TRUE /* dx4 */, TRUE /* dy4 */,
1105 TRUE /* dx5 */, TRUE /* dy5 */,
1106 TRUE /* dx6 */, TRUE /* dy6 */
1107 };
1108
1109
1110 FT_TRACE4(( " flex\n" ));
1111
1112 cf2_doFlex( opStack,
1113 &curX,
1114 &curY,
1115 &glyphPath,
1116 readFromStack,
1117 FALSE /* doConditionalLastRead */ );
1118 }
1119 break; /* TODO: why is this not a continue? */
1120
1121 case cf2_escHFLEX1:
1122 {
1123 static const FT_Bool readFromStack[12] =
1124 {
1125 TRUE /* dx1 */, TRUE /* dy1 */,
1126 TRUE /* dx2 */, TRUE /* dy2 */,
1127 TRUE /* dx3 */, FALSE /* dy3 */,
1128 TRUE /* dx4 */, FALSE /* dy4 */,
1129 TRUE /* dx5 */, TRUE /* dy5 */,
1130 TRUE /* dx6 */, FALSE /* dy6 */
1131 };
1132
1133
1134 FT_TRACE4(( " hflex1\n" ));
1135
1136 cf2_doFlex( opStack,
1137 &curX,
1138 &curY,
1139 &glyphPath,
1140 readFromStack,
1141 FALSE /* doConditionalLastRead */ );
1142 }
1143 continue;
1144
1145 case cf2_escFLEX1:
1146 {
1147 static const FT_Bool readFromStack[12] =
1148 {
1149 TRUE /* dx1 */, TRUE /* dy1 */,
1150 TRUE /* dx2 */, TRUE /* dy2 */,
1151 TRUE /* dx3 */, TRUE /* dy3 */,
1152 TRUE /* dx4 */, TRUE /* dy4 */,
1153 TRUE /* dx5 */, TRUE /* dy5 */,
1154 FALSE /* dx6 */, FALSE /* dy6 */
1155 };
1156
1157
1158 FT_TRACE4(( " flex1\n" ));
1159
1160 cf2_doFlex( opStack,
1161 &curX,
1162 &curY,
1163 &glyphPath,
1164 readFromStack,
1165 TRUE /* doConditionalLastRead */ );
1166 }
1167 continue;
1168
1169 /* these opcodes are always reserved */
1170 case cf2_escRESERVED_8:
1171 case cf2_escRESERVED_13:
1172 case cf2_escRESERVED_19:
1173 case cf2_escRESERVED_25:
1174 case cf2_escRESERVED_31:
1175 case cf2_escRESERVED_32:
1176 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1177 break;
1178
1179 default:
1180 {
1181 if ( font->isCFF2 || op2 >= cf2_escRESERVED_38 )
1182 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1183 else if ( font->isT1 && result_cnt > 0 && op2 != cf2_escPOP )
1184 {
1185 /* all operands have been transferred by previous pops */
1186 result_cnt = 0;
1187 }
1188 else
1189 {
1190 /* second switch for 2-byte operators handles */
1191 /* CFF and Type 1 */
1192 switch ( op2 )
1193 {
1194
1195 case cf2_escDOTSECTION:
1196 /* something about `flip type of locking' -- ignore it */
1197 FT_TRACE4(( " dotsection\n" ));
1198
1199 break;
1200
1201 case cf2_escVSTEM3:
1202 case cf2_escHSTEM3:
1203 /*
1204 * Type 1: Type 2:
1205 * x0 dx0 x1 dx1 x2 dx2 vstem3 x dx {dxa dxb}* vstem
1206 * y0 dy0 y1 dy1 y2 dy2 hstem3 y dy {dya dyb}* hstem
1207 * relative to lsb point relative to zero
1208 *
1209 */
1210 {
1211 if ( !font->isT1 )
1212 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1213 else
1214 {
1215 CF2_F16Dot16 v0, v1, v2;
1216
1217 FT_Bool isV = FT_BOOL( op2 == cf2_escVSTEM3 );
1218
1219
1220 FT_TRACE4(( isV ? " vstem3\n"
1221 : " hstem3\n" ));
1222
1223 FT_ASSERT( cf2_stack_count( opStack ) == 6 );
1224
1225 v0 = cf2_stack_getReal( opStack, 0 );
1226 v1 = cf2_stack_getReal( opStack, 2 );
1227 v2 = cf2_stack_getReal( opStack, 4 );
1228
1229 cf2_stack_setReal(
1230 opStack, 2,
1231 SUB_INT32( SUB_INT32( v1, v0 ),
1232 cf2_stack_getReal( opStack, 1 ) ) );
1233 cf2_stack_setReal(
1234 opStack, 4,
1235 SUB_INT32( SUB_INT32( v2, v1 ),
1236 cf2_stack_getReal( opStack, 3 ) ) );
1237
1238 /* add left-sidebearing correction */
1239 cf2_doStems( font,
1240 opStack,
1241 isV ? &vStemHintArray : &hStemHintArray,
1242 width,
1243 &haveWidth,
1244 isV ? decoder->builder.left_bearing->x
1245 : decoder->builder.left_bearing->y );
1246
1247 if ( decoder->width_only )
1248 goto exit;
1249 }
1250 }
1251 break;
1252
1253 case cf2_escAND:
1254 {
1255 CF2_F16Dot16 arg1;
1256 CF2_F16Dot16 arg2;
1257
1258
1259 FT_TRACE4(( " and\n" ));
1260
1261 arg2 = cf2_stack_popFixed( opStack );
1262 arg1 = cf2_stack_popFixed( opStack );
1263
1264 cf2_stack_pushInt( opStack, arg1 && arg2 );
1265 }
1266 continue; /* do not clear the stack */
1267
1268 case cf2_escOR:
1269 {
1270 CF2_F16Dot16 arg1;
1271 CF2_F16Dot16 arg2;
1272
1273
1274 FT_TRACE4(( " or\n" ));
1275
1276 arg2 = cf2_stack_popFixed( opStack );
1277 arg1 = cf2_stack_popFixed( opStack );
1278
1279 cf2_stack_pushInt( opStack, arg1 || arg2 );
1280 }
1281 continue; /* do not clear the stack */
1282
1283 case cf2_escNOT:
1284 {
1285 CF2_F16Dot16 arg;
1286
1287
1288 FT_TRACE4(( " not\n" ));
1289
1290 arg = cf2_stack_popFixed( opStack );
1291
1292 cf2_stack_pushInt( opStack, !arg );
1293 }
1294 continue; /* do not clear the stack */
1295
1296 case cf2_escSEAC:
1297 if ( !font->isT1 )
1298 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1299 else
1300 {
1301 FT_Error error2;
1302 CF2_Int bchar_index, achar_index;
1303 FT_Vector left_bearing, advance;
1304
1305#ifdef FT_CONFIG_OPTION_INCREMENTAL
1306 T1_Face face = (T1_Face)decoder->builder.face;
1307#endif
1308 CF2_BufferRec component;
1309 CF2_Fixed dummyWidth;
1310
1311 CF2_Int achar = cf2_stack_popInt( opStack );
1312 CF2_Int bchar = cf2_stack_popInt( opStack );
1313
1314 FT_Pos ady = cf2_stack_popFixed ( opStack );
1315 FT_Pos adx = cf2_stack_popFixed ( opStack );
1316 FT_Pos asb = cf2_stack_popFixed ( opStack );
1317
1318
1319 FT_TRACE4(( " seac\n" ));
1320
1321 if ( doingSeac )
1322 {
1323 FT_ERROR(( " nested seac\n" ));
1324 lastError = FT_THROW( Invalid_Glyph_Format );
1325 goto exit; /* nested seac */
1326 }
1327
1328 if ( decoder->builder.metrics_only )
1329 {
1330 FT_ERROR(( " unexpected seac\n" ));
1331 lastError = FT_THROW( Invalid_Glyph_Format );
1332 goto exit; /* unexpected seac */
1333 }
1334
1335 /* `glyph_names' is set to 0 for CID fonts which do */
1336 /* not include an encoding. How can we deal with */
1337 /* these? */
1338#ifdef FT_CONFIG_OPTION_INCREMENTAL
1339 if ( decoder->glyph_names == 0 &&
1340 !face->root.internal->incremental_interface )
1341#else
1342 if ( decoder->glyph_names == 0 )
1343#endif /* FT_CONFIG_OPTION_INCREMENTAL */
1344 {
1345 FT_ERROR((
1346 "cf2_interpT2CharString: (Type 1 seac)"
1347 " glyph names table not available in this font\n" ));
1348 lastError = FT_THROW( Invalid_Glyph_Format );
1349 goto exit;
1350 }
1351
1352 /* seac weirdness */
1353 adx += decoder->builder.left_bearing->x;
1354
1355#ifdef FT_CONFIG_OPTION_INCREMENTAL
1356 if ( face->root.internal->incremental_interface )
1357 {
1358 /* the caller must handle the font encoding also */
1359 bchar_index = bchar;
1360 achar_index = achar;
1361 }
1362 else
1363#endif
1364 {
1365 bchar_index = t1_lookup_glyph_by_stdcharcode_ps(
1366 decoder, bchar );
1367 achar_index = t1_lookup_glyph_by_stdcharcode_ps(
1368 decoder, achar );
1369 }
1370
1371 if ( bchar_index < 0 || achar_index < 0 )
1372 {
1373 FT_ERROR((
1374 "cf2_interpT2CharString: (Type 1 seac)"
1375 " invalid seac character code arguments\n" ));
1376 lastError = FT_THROW( Invalid_Glyph_Format );
1377 goto exit;
1378 }
1379
1380 /* if we are trying to load a composite glyph, */
1381 /* do not load the accent character and return */
1382 /* the array of subglyphs. */
1383 if ( decoder->builder.no_recurse )
1384 {
1385 FT_GlyphSlot glyph = (FT_GlyphSlot)decoder->builder.glyph;
1386 FT_GlyphLoader loader = glyph->internal->loader;
1387 FT_SubGlyph subg;
1388
1389
1390 /* reallocate subglyph array if necessary */
1391 error2 = FT_GlyphLoader_CheckSubGlyphs( loader, 2 );
1392 if ( error2 )
1393 {
1394 lastError = error2; /* pass FreeType error through */
1395 goto exit;
1396 }
1397
1398 subg = loader->current.subglyphs;
1399
1400 /* subglyph 0 = base character */
1401 subg->index = bchar_index;
1402 subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES |
1403 FT_SUBGLYPH_FLAG_USE_MY_METRICS;
1404 subg->arg1 = 0;
1405 subg->arg2 = 0;
1406 subg++;
1407
1408 /* subglyph 1 = accent character */
1409 subg->index = achar_index;
1410 subg->flags = FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES;
1411 subg->arg1 = (FT_Int)FIXED_TO_INT( adx - asb );
1412 subg->arg2 = (FT_Int)FIXED_TO_INT( ady );
1413
1414 /* set up remaining glyph fields */
1415 glyph->num_subglyphs = 2;
1416 glyph->subglyphs = loader->base.subglyphs;
1417 glyph->format = FT_GLYPH_FORMAT_COMPOSITE;
1418
1419 loader->current.num_subglyphs = 2;
1420
1421 goto exit;
1422 }
1423
1424 /* First load `bchar' in builder */
1425 /* now load the unscaled outline */
1426
1427 /* prepare loader */
1428 FT_GlyphLoader_Prepare( decoder->builder.loader );
1429
1430 error2 = cf2_getT1SeacComponent( decoder,
1431 (FT_UInt)bchar_index,
1432 &component );
1433 if ( error2 )
1434 {
1435 lastError = error2; /* pass FreeType error through */
1436 goto exit;
1437 }
1438 cf2_interpT2CharString( font,
1439 &component,
1440 callbacks,
1441 translation,
1442 TRUE,
1443 0,
1444 0,
1445 &dummyWidth );
1446 cf2_freeT1SeacComponent( decoder, &component );
1447
1448 /* save the left bearing and width of the base */
1449 /* character as they will be erased by the next load */
1450
1451 left_bearing = *decoder->builder.left_bearing;
1452 advance = *decoder->builder.advance;
1453
1454 decoder->builder.left_bearing->x = 0;
1455 decoder->builder.left_bearing->y = 0;
1456
1457 /* Now load `achar' on top of */
1458 /* the base outline */
1459
1460 error2 = cf2_getT1SeacComponent( decoder,
1461 (FT_UInt)achar_index,
1462 &component );
1463 if ( error2 )
1464 {
1465 lastError = error2; /* pass FreeType error through */
1466 goto exit;
1467 }
1468 cf2_interpT2CharString( font,
1469 &component,
1470 callbacks,
1471 translation,
1472 TRUE,
1473 adx - asb,
1474 ady,
1475 &dummyWidth );
1476 cf2_freeT1SeacComponent( decoder, &component );
1477
1478 /* restore the left side bearing and */
1479 /* advance width of the base character */
1480
1481 *decoder->builder.left_bearing = left_bearing;
1482 *decoder->builder.advance = advance;
1483
1484 goto exit;
1485 }
1486 break;
1487
1488 case cf2_escSBW:
1489 if ( !font->isT1 )
1490 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1491 else
1492 {
1493 CF2_Fixed lsb_x, lsb_y;
1494 PS_Builder* builder;
1495
1496
1497 FT_TRACE4(( " sbw" ));
1498
1499 builder = &decoder->builder;
1500
1501 builder->advance->y = cf2_stack_popFixed( opStack );
1502 builder->advance->x = cf2_stack_popFixed( opStack );
1503
1504 lsb_y = cf2_stack_popFixed( opStack );
1505 lsb_x = cf2_stack_popFixed( opStack );
1506
1507 builder->left_bearing->x =
1508 ADD_INT32( builder->left_bearing->x, lsb_x );
1509 builder->left_bearing->y =
1510 ADD_INT32( builder->left_bearing->y, lsb_y );
1511
1512 haveWidth = TRUE;
1513
1514 /* the `metrics_only' indicates that we only want */
1515 /* to compute the glyph's metrics (lsb + advance */
1516 /* width), not load the rest of it; so exit */
1517 /* immediately */
1518 if ( builder->metrics_only )
1519 goto exit;
1520
1521 if ( initial_map_ready )
1522 {
1523 curX = ADD_INT32( curX, lsb_x );
1524 curY = ADD_INT32( curY, lsb_y );
1525 }
1526 }
1527 break;
1528
1529 case cf2_escABS:
1530 {
1531 CF2_F16Dot16 arg;
1532
1533
1534 FT_TRACE4(( " abs\n" ));
1535
1536 arg = cf2_stack_popFixed( opStack );
1537
1538 if ( arg < -CF2_FIXED_MAX )
1539 cf2_stack_pushFixed( opStack, CF2_FIXED_MAX );
1540 else
1541 cf2_stack_pushFixed( opStack, FT_ABS( arg ) );
1542 }
1543 continue; /* do not clear the stack */
1544
1545 case cf2_escADD:
1546 {
1547 CF2_F16Dot16 summand1;
1548 CF2_F16Dot16 summand2;
1549
1550
1551 FT_TRACE4(( " add\n" ));
1552
1553 summand2 = cf2_stack_popFixed( opStack );
1554 summand1 = cf2_stack_popFixed( opStack );
1555
1556 cf2_stack_pushFixed( opStack,
1557 ADD_INT32( summand1,
1558 summand2 ) );
1559 }
1560 continue; /* do not clear the stack */
1561
1562 case cf2_escSUB:
1563 {
1564 CF2_F16Dot16 minuend;
1565 CF2_F16Dot16 subtrahend;
1566
1567
1568 FT_TRACE4(( " sub\n" ));
1569
1570 subtrahend = cf2_stack_popFixed( opStack );
1571 minuend = cf2_stack_popFixed( opStack );
1572
1573 cf2_stack_pushFixed( opStack,
1574 SUB_INT32( minuend, subtrahend ) );
1575 }
1576 continue; /* do not clear the stack */
1577
1578 case cf2_escDIV:
1579 {
1580 CF2_F16Dot16 dividend;
1581 CF2_F16Dot16 divisor;
1582
1583
1584 FT_TRACE4(( " div\n" ));
1585
1586 if ( font->isT1 && large_int )
1587 {
1588 divisor = (CF2_F16Dot16)cf2_stack_popInt( opStack );
1589 dividend = (CF2_F16Dot16)cf2_stack_popInt( opStack );
1590
1591 large_int = FALSE;
1592 }
1593 else
1594 {
1595 divisor = cf2_stack_popFixed( opStack );
1596 dividend = cf2_stack_popFixed( opStack );
1597 }
1598
1599 cf2_stack_pushFixed( opStack,
1600 FT_DivFix( dividend, divisor ) );
1601
1602 }
1603 continue; /* do not clear the stack */
1604
1605 case cf2_escNEG:
1606 {
1607 CF2_F16Dot16 arg;
1608
1609
1610 FT_TRACE4(( " neg\n" ));
1611
1612 arg = cf2_stack_popFixed( opStack );
1613
1614 if ( arg < -CF2_FIXED_MAX )
1615 cf2_stack_pushFixed( opStack, CF2_FIXED_MAX );
1616 else
1617 cf2_stack_pushFixed( opStack, -arg );
1618 }
1619 continue; /* do not clear the stack */
1620
1621 case cf2_escEQ:
1622 {
1623 CF2_F16Dot16 arg1;
1624 CF2_F16Dot16 arg2;
1625
1626
1627 FT_TRACE4(( " eq\n" ));
1628
1629 arg2 = cf2_stack_popFixed( opStack );
1630 arg1 = cf2_stack_popFixed( opStack );
1631
1632 cf2_stack_pushInt( opStack, arg1 == arg2 );
1633 }
1634 continue; /* do not clear the stack */
1635
1636 case cf2_escCALLOTHERSUBR:
1637 if ( !font->isT1 )
1638 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
1639 else
1640 {
1641 CF2_Int subr_no;
1642 CF2_Int arg_cnt;
1643 CF2_UInt count;
1644 CF2_UInt opIdx = 0;
1645
1646
1647 FT_TRACE4(( " callothersubr\n" ));
1648
1649 subr_no = cf2_stack_popInt( opStack );
1650 arg_cnt = cf2_stack_popInt( opStack );
1651
1652 /*******************************************************/
1653 /* */
1654 /* remove all operands to callothersubr from the stack */
1655 /* */
1656 /* for handled othersubrs, where we know the number of */
1657 /* arguments, we increase the stack by the value of */
1658 /* known_othersubr_result_cnt */
1659 /* */
1660 /* for unhandled othersubrs the following pops adjust */
1661 /* the stack pointer as necessary */
1662
1663 count = cf2_stack_count( opStack );
1664 FT_ASSERT( (CF2_UInt)arg_cnt <= count );
1665
1666 opIdx += count - (CF2_UInt)arg_cnt;
1667
1668 known_othersubr_result_cnt = 0;
1669 result_cnt = 0;
1670
1671 /* XXX TODO: The checks to `arg_count == <whatever>' */
1672 /* might not be correct; an othersubr expects a */
1673 /* certain number of operands on the PostScript stack */
1674 /* (as opposed to the T1 stack) but it doesn't have to */
1675 /* put them there by itself; previous othersubrs might */
1676 /* have left the operands there if they were not */
1677 /* followed by an appropriate number of pops */
1678 /* */
1679 /* On the other hand, Adobe Reader 7.0.8 for Linux */
1680 /* doesn't accept a font that contains charstrings */
1681 /* like */
1682 /* */
1683 /* 100 200 2 20 callothersubr */
1684 /* 300 1 20 callothersubr pop */
1685 /* */
1686 /* Perhaps this is the reason why BuildCharArray */
1687 /* exists. */
1688
1689 switch ( subr_no )
1690 {
1691 case 0: /* end flex feature */
1692 if ( arg_cnt != 3 )
1693 goto Unexpected_OtherSubr;
1694
1695 if ( initial_map_ready &&
1696 ( !decoder->flex_state ||
1697 decoder->num_flex_vectors != 7 ) )
1698 {
1699 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
1700 " unexpected flex end\n" ));
1701 lastError = FT_THROW( Invalid_Glyph_Format );
1702 goto exit;
1703 }
1704
1705 /* the two `results' are popped */
1706 /* by the following setcurrentpoint */
1707 cf2_stack_pushFixed( opStack, curX );
1708 cf2_stack_pushFixed( opStack, curY );
1709 known_othersubr_result_cnt = 2;
1710 break;
1711
1712 case 1: /* start flex feature */
1713 if ( arg_cnt != 0 )
1714 goto Unexpected_OtherSubr;
1715
1716 if ( !initial_map_ready )
1717 break;
1718
1719 if ( ps_builder_check_points( &decoder->builder, 6 ) )
1720 goto exit;
1721
1722 decoder->flex_state = 1;
1723 decoder->num_flex_vectors = 0;
1724 break;
1725
1726 case 2: /* add flex vectors */
1727 {
1728 FT_Int idx;
1729 FT_Int idx2;
1730
1731
1732 if ( arg_cnt != 0 )
1733 goto Unexpected_OtherSubr;
1734
1735 if ( !initial_map_ready )
1736 break;
1737
1738 if ( !decoder->flex_state )
1739 {
1740 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
1741 " missing flex start\n" ));
1742 lastError = FT_THROW( Invalid_Glyph_Format );
1743 goto exit;
1744 }
1745
1746 /* note that we should not add a point for */
1747 /* index 0; this will move our current position */
1748 /* to the flex point without adding any point */
1749 /* to the outline */
1750 idx = decoder->num_flex_vectors++;
1751 if ( idx > 0 && idx < 7 )
1752 {
1753 /* in malformed fonts it is possible to have */
1754 /* other opcodes in the middle of a flex (which */
1755 /* don't increase `num_flex_vectors'); we thus */
1756 /* have to check whether we can add a point */
1757
1758 if ( ps_builder_check_points( &decoder->builder,
1759 1 ) )
1760 {
1761 lastError = FT_THROW( Invalid_Glyph_Format );
1762 goto exit;
1763 }
1764
1765 /* map: 1->2 2->4 3->6 4->2 5->4 6->6 */
1766 idx2 = ( idx > 3 ? idx - 3 : idx ) * 2;
1767
1768 flexStore[idx2 - 2] = curX;
1769 flexStore[idx2 - 1] = curY;
1770
1771 if ( idx == 3 || idx == 6 )
1772 cf2_glyphpath_curveTo( &glyphPath,
1773 flexStore[0],
1774 flexStore[1],
1775 flexStore[2],
1776 flexStore[3],
1777 flexStore[4],
1778 flexStore[5] );
1779 }
1780 }
1781 break;
1782
1783 case 3: /* change hints */
1784 if ( arg_cnt != 1 )
1785 goto Unexpected_OtherSubr;
1786
1787 if ( initial_map_ready )
1788 {
1789 /* do not clear hints if initial hintmap */
1790 /* is not ready - we need to collate all */
1791 cf2_arrstack_clear( &vStemHintArray );
1792 cf2_arrstack_clear( &hStemHintArray );
1793
1794 cf2_hintmask_init( &hintMask, error );
1795 hintMask.isValid = FALSE;
1796 hintMask.isNew = TRUE;
1797 }
1798
1799 known_othersubr_result_cnt = 1;
1800 break;
1801
1802 case 12:
1803 case 13:
1804 /* counter control hints, clear stack */
1805 cf2_stack_clear( opStack );
1806 break;
1807
1808 case 14:
1809 case 15:
1810 case 16:
1811 case 17:
1812 case 18: /* multiple masters */
1813 {
1814 PS_Blend blend = decoder->blend;
1815 FT_UInt num_points, nn, mm;
1816 CF2_UInt delta;
1817 CF2_UInt values;
1818
1819
1820 if ( !blend )
1821 {
1822 FT_ERROR((
1823 "cf2_interpT2CharString:"
1824 " unexpected multiple masters operator\n" ));
1825 lastError = FT_THROW( Invalid_Glyph_Format );
1826 goto exit;
1827 }
1828
1829 num_points = (FT_UInt)subr_no - 13 +
1830 ( subr_no == 18 );
1831 if ( arg_cnt != (FT_Int)( num_points *
1832 blend->num_designs ) )
1833 {
1834 FT_ERROR((
1835 "cf2_interpT2CharString:"
1836 " incorrect number of multiple masters arguments\n" ));
1837 lastError = FT_THROW( Invalid_Glyph_Format );
1838 goto exit;
1839 }
1840
1841 /* We want to compute */
1842 /* */
1843 /* a0*w0 + a1*w1 + ... + ak*wk */
1844 /* */
1845 /* but we only have a0, a1-a0, a2-a0, ..., ak-a0. */
1846 /* */
1847 /* However, given that w0 + w1 + ... + wk == 1, we */
1848 /* can rewrite it easily as */
1849 /* */
1850 /* a0 + (a1-a0)*w1 + (a2-a0)*w2 + ... + (ak-a0)*wk */
1851 /* */
1852 /* where k == num_designs-1. */
1853 /* */
1854 /* I guess that's why it's written in this `compact' */
1855 /* form. */
1856 /* */
1857 delta = opIdx + num_points;
1858 values = opIdx;
1859 for ( nn = 0; nn < num_points; nn++ )
1860 {
1861 CF2_Fixed tmp = cf2_stack_getReal( opStack,
1862 values );
1863
1864
1865 for ( mm = 1; mm < blend->num_designs; mm++ )
1866 tmp = ADD_INT32( tmp,
1867 FT_MulFix(
1868 cf2_stack_getReal( opStack,
1869 delta++ ),
1870 blend->weight_vector[mm] ) );
1871
1872 cf2_stack_setReal( opStack, values++, tmp );
1873 }
1874 cf2_stack_pop( opStack,
1875 (CF2_UInt)arg_cnt - num_points );
1876
1877 known_othersubr_result_cnt = (FT_Int)num_points;
1878 break;
1879 }
1880
1881 case 19:
1882 /* <idx> 1 19 callothersubr */
1883 /* ==> replace elements starting from index */
1884 /* cvi( <idx> ) of BuildCharArray with */
1885 /* WeightVector */
1886 {
1887 FT_Int idx;
1888 PS_Blend blend = decoder->blend;
1889
1890
1891 if ( arg_cnt != 1 || !blend )
1892 goto Unexpected_OtherSubr;
1893
1894 idx = cf2_stack_popInt( opStack );
1895
1896 if ( idx < 0 ||
1897 (FT_UInt)idx + blend->num_designs >
1898 decoder->len_buildchar )
1899 goto Unexpected_OtherSubr;
1900
1901 ft_memcpy( &decoder->buildchar[idx],
1902 blend->weight_vector,
1903 blend->num_designs *
1904 sizeof ( blend->weight_vector[0] ) );
1905 }
1906 break;
1907
1908 case 20:
1909 /* <arg1> <arg2> 2 20 callothersubr pop */
1910 /* ==> push <arg1> + <arg2> onto T1 stack */
1911 {
1912 CF2_F16Dot16 summand1;
1913 CF2_F16Dot16 summand2;
1914
1915
1916 if ( arg_cnt != 2 )
1917 goto Unexpected_OtherSubr;
1918
1919 summand2 = cf2_stack_popFixed( opStack );
1920 summand1 = cf2_stack_popFixed( opStack );
1921
1922 cf2_stack_pushFixed( opStack,
1923 ADD_INT32( summand1,
1924 summand2 ) );
1925 known_othersubr_result_cnt = 1;
1926 }
1927 break;
1928
1929 case 21:
1930 /* <arg1> <arg2> 2 21 callothersubr pop */
1931 /* ==> push <arg1> - <arg2> onto T1 stack */
1932 {
1933 CF2_F16Dot16 minuend;
1934 CF2_F16Dot16 subtrahend;
1935
1936
1937 if ( arg_cnt != 2 )
1938 goto Unexpected_OtherSubr;
1939
1940 subtrahend = cf2_stack_popFixed( opStack );
1941 minuend = cf2_stack_popFixed( opStack );
1942
1943 cf2_stack_pushFixed( opStack,
1944 SUB_INT32( minuend,
1945 subtrahend ) );
1946 known_othersubr_result_cnt = 1;
1947 }
1948 break;
1949
1950 case 22:
1951 /* <arg1> <arg2> 2 22 callothersubr pop */
1952 /* ==> push <arg1> * <arg2> onto T1 stack */
1953 {
1954 CF2_F16Dot16 factor1;
1955 CF2_F16Dot16 factor2;
1956
1957
1958 if ( arg_cnt != 2 )
1959 goto Unexpected_OtherSubr;
1960
1961 factor2 = cf2_stack_popFixed( opStack );
1962 factor1 = cf2_stack_popFixed( opStack );
1963
1964 cf2_stack_pushFixed( opStack,
1965 FT_MulFix( factor1, factor2 ) );
1966 known_othersubr_result_cnt = 1;
1967 }
1968 break;
1969
1970 case 23:
1971 /* <arg1> <arg2> 2 23 callothersubr pop */
1972 /* ==> push <arg1> / <arg2> onto T1 stack */
1973 {
1974 CF2_F16Dot16 dividend;
1975 CF2_F16Dot16 divisor;
1976
1977
1978 if ( arg_cnt != 2 )
1979 goto Unexpected_OtherSubr;
1980
1981 divisor = cf2_stack_popFixed( opStack );
1982 dividend = cf2_stack_popFixed( opStack );
1983
1984 if ( divisor == 0 )
1985 goto Unexpected_OtherSubr;
1986
1987 cf2_stack_pushFixed( opStack,
1988 FT_DivFix( dividend,
1989 divisor ) );
1990 known_othersubr_result_cnt = 1;
1991 }
1992 break;
1993
1994 case 24:
1995 /* <val> <idx> 2 24 callothersubr */
1996 /* ==> set BuildCharArray[cvi( <idx> )] = <val> */
1997 {
1998 CF2_Int idx;
1999 PS_Blend blend = decoder->blend;
2000
2001
2002 if ( arg_cnt != 2 || !blend )
2003 goto Unexpected_OtherSubr;
2004
2005 idx = cf2_stack_popInt( opStack );
2006
2007 if ( idx < 0 ||
2008 (FT_UInt)idx >= decoder->len_buildchar )
2009 goto Unexpected_OtherSubr;
2010
2011 decoder->buildchar[idx] =
2012 cf2_stack_popFixed( opStack );
2013 }
2014 break;
2015
2016 case 25:
2017 /* <idx> 1 25 callothersubr pop */
2018 /* ==> push BuildCharArray[cvi( idx )] */
2019 /* onto T1 stack */
2020 {
2021 CF2_Int idx;
2022 PS_Blend blend = decoder->blend;
2023
2024
2025 if ( arg_cnt != 1 || !blend )
2026 goto Unexpected_OtherSubr;
2027
2028 idx = cf2_stack_popInt( opStack );
2029
2030 if ( idx < 0 ||
2031 (FT_UInt)idx >= decoder->len_buildchar )
2032 goto Unexpected_OtherSubr;
2033
2034 cf2_stack_pushFixed( opStack,
2035 decoder->buildchar[idx] );
2036 known_othersubr_result_cnt = 1;
2037 }
2038 break;
2039
2040#if 0
2041 case 26:
2042 /* <val> mark <idx> */
2043 /* ==> set BuildCharArray[cvi( <idx> )] = <val>, */
2044 /* leave mark on T1 stack */
2045 /* <val> <idx> */
2046 /* ==> set BuildCharArray[cvi( <idx> )] = <val> */
2047 XXX which routine has left its mark on the
2048 XXX (PostScript) stack?;
2049 break;
2050#endif
2051
2052 case 27:
2053 /* <res1> <res2> <val1> <val2> 4 27 callothersubr pop */
2054 /* ==> push <res1> onto T1 stack if <val1> <= <val2>, */
2055 /* otherwise push <res2> */
2056 {
2057 CF2_F16Dot16 arg1;
2058 CF2_F16Dot16 arg2;
2059 CF2_F16Dot16 cond1;
2060 CF2_F16Dot16 cond2;
2061
2062
2063 if ( arg_cnt != 4 )
2064 goto Unexpected_OtherSubr;
2065
2066 cond2 = cf2_stack_popFixed( opStack );
2067 cond1 = cf2_stack_popFixed( opStack );
2068 arg2 = cf2_stack_popFixed( opStack );
2069 arg1 = cf2_stack_popFixed( opStack );
2070
2071 cf2_stack_pushFixed( opStack,
2072 cond1 <= cond2 ? arg1 : arg2 );
2073 known_othersubr_result_cnt = 1;
2074 }
2075 break;
2076
2077 case 28:
2078 /* 0 28 callothersubr pop */
2079 /* ==> push random value from interval [0, 1) */
2080 /* onto stack */
2081 {
2082 CF2_F16Dot16 r;
2083
2084
2085 if ( arg_cnt != 0 )
2086 goto Unexpected_OtherSubr;
2087
2088 /* only use the lower 16 bits of `random' */
2089 /* to generate a number in the range (0;1] */
2090 r = (CF2_F16Dot16)
2091 ( ( decoder->current_subfont->random & 0xFFFF ) + 1 );
2092
2093 decoder->current_subfont->random =
2094 cff_random( decoder->current_subfont->random );
2095
2096 cf2_stack_pushFixed( opStack, r );
2097 known_othersubr_result_cnt = 1;
2098 }
2099 break;
2100
2101 default:
2102 if ( arg_cnt >= 0 && subr_no >= 0 )
2103 {
2104 FT_Int i;
2105
2106
2107 FT_ERROR((
2108 "cf2_interpT2CharString (Type 1 mode):"
2109 " unknown othersubr [%d %d], wish me luck\n",
2110 arg_cnt, subr_no ));
2111
2112 /* store the unused args */
2113 /* for this unhandled OtherSubr */
2114
2115 if ( arg_cnt > PS_STORAGE_SIZE )
2116 arg_cnt = PS_STORAGE_SIZE;
2117 result_cnt = arg_cnt;
2118
2119 for ( i = 1; i <= arg_cnt; i++ )
2120 results[result_cnt - i] =
2121 cf2_stack_popFixed( opStack );
2122
2123 break;
2124 }
2125 /* fall through */
2126
2127 Unexpected_OtherSubr:
2128 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
2129 " invalid othersubr [%d %d]\n",
2130 arg_cnt, subr_no ));
2131 lastError = FT_THROW( Invalid_Glyph_Format );
2132 goto exit;
2133 }
2134 }
2135 continue; /* do not clear the stack */
2136
2137 case cf2_escPOP:
2138 if ( !font->isT1 )
2139 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
2140 else
2141 {
2142 FT_TRACE4(( " pop" ));
2143
2144 if ( known_othersubr_result_cnt > 0 )
2145 {
2146 known_othersubr_result_cnt--;
2147 /* ignore, we pushed the operands ourselves */
2148 continue;
2149 }
2150
2151 if ( result_cnt == 0 )
2152 {
2153 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
2154 " no more operands for othersubr\n" ));
2155 lastError = FT_THROW( Invalid_Glyph_Format );
2156 goto exit;
2157 }
2158
2159 result_cnt--;
2160 cf2_stack_pushFixed( opStack, results[result_cnt] );
2161 }
2162 continue; /* do not clear the stack */
2163
2164 case cf2_escDROP:
2165 FT_TRACE4(( " drop\n" ));
2166
2167 (void)cf2_stack_popFixed( opStack );
2168 continue; /* do not clear the stack */
2169
2170 case cf2_escPUT:
2171 {
2172 CF2_F16Dot16 val;
2173 CF2_Int idx;
2174
2175
2176 FT_TRACE4(( " put\n" ));
2177
2178 idx = cf2_stack_popInt( opStack );
2179 val = cf2_stack_popFixed( opStack );
2180
2181 if ( idx >= 0 && idx < CF2_STORAGE_SIZE )
2182 storage[idx] = val;
2183 }
2184 continue; /* do not clear the stack */
2185
2186 case cf2_escGET:
2187 {
2188 CF2_Int idx;
2189
2190
2191 FT_TRACE4(( " get\n" ));
2192
2193 idx = cf2_stack_popInt( opStack );
2194
2195 if ( idx >= 0 && idx < CF2_STORAGE_SIZE )
2196 cf2_stack_pushFixed( opStack, storage[idx] );
2197 }
2198 continue; /* do not clear the stack */
2199
2200 case cf2_escIFELSE:
2201 {
2202 CF2_F16Dot16 arg1;
2203 CF2_F16Dot16 arg2;
2204 CF2_F16Dot16 cond1;
2205 CF2_F16Dot16 cond2;
2206
2207
2208 FT_TRACE4(( " ifelse\n" ));
2209
2210 cond2 = cf2_stack_popFixed( opStack );
2211 cond1 = cf2_stack_popFixed( opStack );
2212 arg2 = cf2_stack_popFixed( opStack );
2213 arg1 = cf2_stack_popFixed( opStack );
2214
2215 cf2_stack_pushFixed( opStack,
2216 cond1 <= cond2 ? arg1 : arg2 );
2217 }
2218 continue; /* do not clear the stack */
2219
2220 case cf2_escRANDOM: /* in spec */
2221 {
2222 CF2_F16Dot16 r;
2223
2224
2225 FT_TRACE4(( " random\n" ));
2226
2227 /* only use the lower 16 bits of `random' */
2228 /* to generate a number in the range (0;1] */
2229 r = (CF2_F16Dot16)
2230 ( ( decoder->current_subfont->random & 0xFFFF ) + 1 );
2231
2232 decoder->current_subfont->random =
2233 cff_random( decoder->current_subfont->random );
2234
2235 cf2_stack_pushFixed( opStack, r );
2236 }
2237 continue; /* do not clear the stack */
2238
2239 case cf2_escMUL:
2240 {
2241 CF2_F16Dot16 factor1;
2242 CF2_F16Dot16 factor2;
2243
2244
2245 FT_TRACE4(( " mul\n" ));
2246
2247 factor2 = cf2_stack_popFixed( opStack );
2248 factor1 = cf2_stack_popFixed( opStack );
2249
2250 cf2_stack_pushFixed( opStack,
2251 FT_MulFix( factor1, factor2 ) );
2252 }
2253 continue; /* do not clear the stack */
2254
2255 case cf2_escSQRT:
2256 {
2257 CF2_F16Dot16 arg;
2258
2259
2260 FT_TRACE4(( " sqrt\n" ));
2261
2262 arg = cf2_stack_popFixed( opStack );
2263 if ( arg > 0 )
2264 {
2265 /* use a start value that doesn't make */
2266 /* the algorithm's addition overflow */
2267 FT_Fixed root = arg < 10 ? arg : arg >> 1;
2268 FT_Fixed new_root;
2269
2270
2271 /* Babylonian method */
2272 for (;;)
2273 {
2274 new_root = ( root + FT_DivFix( arg, root ) + 1 ) >> 1;
2275 if ( new_root == root )
2276 break;
2277 root = new_root;
2278 }
2279 arg = new_root;
2280 }
2281 else
2282 arg = 0;
2283
2284 cf2_stack_pushFixed( opStack, arg );
2285 }
2286 continue; /* do not clear the stack */
2287
2288 case cf2_escDUP:
2289 {
2290 CF2_F16Dot16 arg;
2291
2292
2293 FT_TRACE4(( " dup\n" ));
2294
2295 arg = cf2_stack_popFixed( opStack );
2296
2297 cf2_stack_pushFixed( opStack, arg );
2298 cf2_stack_pushFixed( opStack, arg );
2299 }
2300 continue; /* do not clear the stack */
2301
2302 case cf2_escEXCH:
2303 {
2304 CF2_F16Dot16 arg1;
2305 CF2_F16Dot16 arg2;
2306
2307
2308 FT_TRACE4(( " exch\n" ));
2309
2310 arg2 = cf2_stack_popFixed( opStack );
2311 arg1 = cf2_stack_popFixed( opStack );
2312
2313 cf2_stack_pushFixed( opStack, arg2 );
2314 cf2_stack_pushFixed( opStack, arg1 );
2315 }
2316 continue; /* do not clear the stack */
2317
2318 case cf2_escINDEX:
2319 {
2320 CF2_Int idx;
2321 CF2_UInt size;
2322
2323
2324 FT_TRACE4(( " index\n" ));
2325
2326 idx = cf2_stack_popInt( opStack );
2327 size = cf2_stack_count( opStack );
2328
2329 if ( size > 0 )
2330 {
2331 /* for `cf2_stack_getReal', */
2332 /* index 0 is bottom of stack */
2333 CF2_UInt gr_idx;
2334
2335
2336 if ( idx < 0 )
2337 gr_idx = size - 1;
2338 else if ( (CF2_UInt)idx >= size )
2339 gr_idx = 0;
2340 else
2341 gr_idx = size - 1 - (CF2_UInt)idx;
2342
2343 cf2_stack_pushFixed( opStack,
2344 cf2_stack_getReal( opStack,
2345 gr_idx ) );
2346 }
2347 }
2348 continue; /* do not clear the stack */
2349
2350 case cf2_escROLL:
2351 {
2352 CF2_Int idx;
2353 CF2_Int count;
2354
2355
2356 FT_TRACE4(( " roll\n" ));
2357
2358 idx = cf2_stack_popInt( opStack );
2359 count = cf2_stack_popInt( opStack );
2360
2361 cf2_stack_roll( opStack, count, idx );
2362 }
2363 continue; /* do not clear the stack */
2364
2365 case cf2_escSETCURRENTPT:
2366 if ( !font->isT1 )
2367 FT_TRACE4(( " unknown op (12, %d)\n", op2 ));
2368 else
2369 {
2370 FT_TRACE4(( " setcurrentpoint" ));
2371
2372 if ( !initial_map_ready )
2373 break;
2374
2375 /* From the T1 specification, section 6.4: */
2376 /* */
2377 /* The setcurrentpoint command is used only in */
2378 /* conjunction with results from OtherSubrs */
2379 /* procedures. */
2380
2381 /* known_othersubr_result_cnt != 0 is already handled */
2382 /* above. */
2383
2384 /* Note, however, that both Ghostscript and Adobe */
2385 /* Distiller handle this situation by silently */
2386 /* ignoring the inappropriate `setcurrentpoint' */
2387 /* instruction. So we do the same. */
2388#if 0
2389
2390 if ( decoder->flex_state != 1 )
2391 {
2392 FT_ERROR(( "cf2_interpT2CharString:"
2393 " unexpected `setcurrentpoint'\n" ));
2394 goto Syntax_Error;
2395 }
2396 else
2397 ...
2398#endif
2399
2400 curY = cf2_stack_popFixed( opStack );
2401 curX = cf2_stack_popFixed( opStack );
2402
2403 decoder->flex_state = 0;
2404 }
2405 break;
2406
2407 } /* end of 2nd switch checking op2 */
2408 }
2409 }
2410 } /* end of 1st switch checking op2 */
2411 } /* case cf2_cmdESC */
2412
2413 break;
2414
2415 case cf2_cmdHSBW:
2416 if ( !font->isT1 )
2417 FT_TRACE4(( " unknown op (%d)\n", op1 ));
2418 else
2419 {
2420 CF2_Fixed lsb_x;
2421 PS_Builder* builder;
2422
2423
2424 FT_TRACE4(( " hsbw" ));
2425
2426 builder = &decoder->builder;
2427
2428 builder->advance->x = cf2_stack_popFixed( opStack );
2429 builder->advance->y = 0;
2430
2431 lsb_x = cf2_stack_popFixed( opStack );
2432
2433 builder->left_bearing->x = ADD_INT32( builder->left_bearing->x,
2434 lsb_x );
2435
2436 haveWidth = TRUE;
2437
2438 /* the `metrics_only' indicates that we only want to compute */
2439 /* the glyph's metrics (lsb + advance width), not load the */
2440 /* rest of it; so exit immediately */
2441 if ( builder->metrics_only )
2442 goto exit;
2443
2444 if ( initial_map_ready )
2445 curX = ADD_INT32( curX, lsb_x );
2446 }
2447 break;
2448
2449 case cf2_cmdENDCHAR:
2450 FT_TRACE4(( " endchar\n" ));
2451
2452 if ( font->isT1 && !initial_map_ready )
2453 {
2454 FT_TRACE5(( "cf2_interpT2CharString (Type 1 mode): "
2455 "Build initial hintmap, rewinding...\n" ));
2456
2457 /* trigger initial hintmap build */
2458 cf2_glyphpath_moveTo( &glyphPath, curX, curY );
2459
2460 initial_map_ready = TRUE;
2461
2462 /* change hints routine - clear for rewind */
2463 cf2_arrstack_clear( &vStemHintArray );
2464 cf2_arrstack_clear( &hStemHintArray );
2465
2466 cf2_hintmask_init( &hintMask, error );
2467 hintMask.isValid = FALSE;
2468 hintMask.isNew = TRUE;
2469
2470 /* rewind charstring */
2471 /* some charstrings use endchar from a final subroutine call */
2472 /* without returning, detect these and exit to the top level */
2473 /* charstring */
2474 while ( charstringIndex > 0 )
2475 {
2476 FT_TRACE4(( " return (leaving level %d)\n", charstringIndex ));
2477
2478 /* restore position in previous charstring */
2479 charstring = (CF2_Buffer)
2480 cf2_arrstack_getPointer(
2481 &subrStack,
2482 (CF2_UInt)--charstringIndex );
2483 }
2484 charstring->ptr = charstring->start;
2485
2486 break;
2487 }
2488
2489 if ( cf2_stack_count( opStack ) == 1 ||
2490 cf2_stack_count( opStack ) == 5 )
2491 {
2492 if ( !haveWidth )
2493 *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ),
2494 nominalWidthX );
2495 }
2496
2497 /* width is defined or default after this */
2498 haveWidth = TRUE;
2499
2500 if ( decoder->width_only )
2501 goto exit;
2502
2503 /* close path if still open */
2504 cf2_glyphpath_closeOpenPath( &glyphPath );
2505
2506 /* disable seac for CFF2 and Type1 */
2507 /* (charstring ending with args on stack) */
2508 if ( !font->isCFF2 && !font->isT1 && cf2_stack_count( opStack ) > 1 )
2509 {
2510 /* must be either 4 or 5 -- */
2511 /* this is a (deprecated) implied `seac' operator */
2512
2513 CF2_Int achar;
2514 CF2_Int bchar;
2515 CF2_BufferRec component;
2516 CF2_Fixed dummyWidth; /* ignore component width */
2517 FT_Error error2;
2518
2519
2520 if ( doingSeac )
2521 {
2522 lastError = FT_THROW( Invalid_Glyph_Format );
2523 goto exit; /* nested seac */
2524 }
2525
2526 achar = cf2_stack_popInt( opStack );
2527 bchar = cf2_stack_popInt( opStack );
2528
2529 curY = cf2_stack_popFixed( opStack );
2530 curX = cf2_stack_popFixed( opStack );
2531
2532 error2 = cf2_getSeacComponent( decoder, achar, &component );
2533 if ( error2 )
2534 {
2535 lastError = error2; /* pass FreeType error through */
2536 goto exit;
2537 }
2538 cf2_interpT2CharString( font,
2539 &component,
2540 callbacks,
2541 translation,
2542 TRUE,
2543 curX,
2544 curY,
2545 &dummyWidth );
2546 cf2_freeSeacComponent( decoder, &component );
2547
2548 error2 = cf2_getSeacComponent( decoder, bchar, &component );
2549 if ( error2 )
2550 {
2551 lastError = error2; /* pass FreeType error through */
2552 goto exit;
2553 }
2554 cf2_interpT2CharString( font,
2555 &component,
2556 callbacks,
2557 translation,
2558 TRUE,
2559 0,
2560 0,
2561 &dummyWidth );
2562 cf2_freeSeacComponent( decoder, &component );
2563 }
2564 goto exit;
2565
2566 case cf2_cmdCNTRMASK:
2567 case cf2_cmdHINTMASK:
2568 /* the final \n in the tracing message gets added in */
2569 /* `cf2_hintmask_read' (which also traces the mask bytes) */
2570 FT_TRACE4(( op1 == cf2_cmdCNTRMASK ? " cntrmask" : " hintmask" ));
2571
2572 /* never add hints after the mask is computed */
2573 if ( cf2_stack_count( opStack ) > 1 &&
2574 cf2_hintmask_isValid( &hintMask ) )
2575 {
2576 FT_TRACE4(( "cf2_interpT2CharString: invalid hint mask\n" ));
2577 break;
2578 }
2579
2580 /* if there are arguments on the stack, there this is an */
2581 /* implied cf2_cmdVSTEMHM */
2582 cf2_doStems( font,
2583 opStack,
2584 &vStemHintArray,
2585 width,
2586 &haveWidth,
2587 0 );
2588
2589 if ( decoder->width_only )
2590 goto exit;
2591
2592 if ( op1 == cf2_cmdHINTMASK )
2593 {
2594 /* consume the hint mask bytes which follow the operator */
2595 cf2_hintmask_read( &hintMask,
2596 charstring,
2597 cf2_arrstack_size( &hStemHintArray ) +
2598 cf2_arrstack_size( &vStemHintArray ) );
2599 }
2600 else
2601 {
2602 /*
2603 * Consume the counter mask bytes which follow the operator:
2604 * Build a temporary hint map, just to place and lock those
2605 * stems participating in the counter mask. These are most
2606 * likely the dominant hstems, and are grouped together in a
2607 * few counter groups, not necessarily in correspondence
2608 * with the hint groups. This reduces the chances of
2609 * conflicts between hstems that are initially placed in
2610 * separate hint groups and then brought together. The
2611 * positions are copied back to `hStemHintArray', so we can
2612 * discard `counterMask' and `counterHintMap'.
2613 *
2614 */
2615#ifdef __REACTOS__
2616 CF2_HintMapRec *counterHintMap = malloc(sizeof(CF2_HintMapRec));
2617 CF2_HintMaskRec counterMask;
2618 if (!counterHintMap)
2619 {
2620 lastError = FT_Err_Out_Of_Memory;
2621 goto exit;
2622 }
2623/* Ugly but it allows us to reduce the diff */
2624#define counterHintMap (*counterHintMap)
2625#else
2626 CF2_HintMapRec counterHintMap;
2627 CF2_HintMaskRec counterMask;
2628#endif
2629
2630
2631 cf2_hintmap_init( &counterHintMap,
2632 font,
2633 &glyphPath.initialHintMap,
2634 &glyphPath.hintMoves,
2635 scaleY );
2636 cf2_hintmask_init( &counterMask, error );
2637
2638 cf2_hintmask_read( &counterMask,
2639 charstring,
2640 cf2_arrstack_size( &hStemHintArray ) +
2641 cf2_arrstack_size( &vStemHintArray ) );
2642 cf2_hintmap_build( &counterHintMap,
2643 &hStemHintArray,
2644 &vStemHintArray,
2645 &counterMask,
2646 0,
2647 FALSE );
2648#ifdef __REACTOS__
2649 free(&counterHintMap);
2650#endif
2651 }
2652 break;
2653
2654 case cf2_cmdRMOVETO:
2655 FT_TRACE4(( " rmoveto\n" ));
2656
2657 if ( font->isT1 && !decoder->flex_state && !haveWidth )
2658 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
2659 " No width. Use hsbw/sbw as first op\n" ));
2660
2661 if ( cf2_stack_count( opStack ) > 2 && !haveWidth )
2662 *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ),
2663 nominalWidthX );
2664
2665 /* width is defined or default after this */
2666 haveWidth = TRUE;
2667
2668 if ( decoder->width_only )
2669 goto exit;
2670
2671 curY = ADD_INT32( curY, cf2_stack_popFixed( opStack ) );
2672 curX = ADD_INT32( curX, cf2_stack_popFixed( opStack ) );
2673
2674 if ( !decoder->flex_state )
2675 cf2_glyphpath_moveTo( &glyphPath, curX, curY );
2676
2677 break;
2678
2679 case cf2_cmdHMOVETO:
2680 FT_TRACE4(( " hmoveto\n" ));
2681
2682 if ( font->isT1 && !decoder->flex_state && !haveWidth )
2683 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
2684 " No width. Use hsbw/sbw as first op\n" ));
2685
2686 if ( cf2_stack_count( opStack ) > 1 && !haveWidth )
2687 *width = ADD_INT32( cf2_stack_getReal( opStack, 0 ),
2688 nominalWidthX );
2689
2690 /* width is defined or default after this */
2691 haveWidth = TRUE;
2692
2693 if ( decoder->width_only )
2694 goto exit;
2695
2696 curX = ADD_INT32( curX, cf2_stack_popFixed( opStack ) );
2697
2698 cf2_glyphpath_moveTo( &glyphPath, curX, curY );
2699
2700 break;
2701
2702 case cf2_cmdRLINECURVE:
2703 {
2704 CF2_UInt count = cf2_stack_count( opStack );
2705 CF2_UInt idx = 0;
2706
2707
2708 FT_TRACE4(( " rlinecurve\n" ));
2709
2710 while ( idx + 6 < count )
2711 {
2712 curX = ADD_INT32( curX, cf2_stack_getReal( opStack,
2713 idx + 0 ) );
2714 curY = ADD_INT32( curY, cf2_stack_getReal( opStack,
2715 idx + 1 ) );
2716
2717 cf2_glyphpath_lineTo( &glyphPath, curX, curY );
2718 idx += 2;
2719 }
2720
2721 while ( idx < count )
2722 {
2723 CF2_Fixed x1, y1, x2, y2, x3, y3;
2724
2725
2726 x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX );
2727 y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), curY );
2728 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), x1 );
2729 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y1 );
2730 x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 );
2731 y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 5 ), y2 );
2732
2733 cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 );
2734
2735 curX = x3;
2736 curY = y3;
2737 idx += 6;
2738 }
2739
2740 cf2_stack_clear( opStack );
2741 }
2742 continue; /* no need to clear stack again */
2743
2744 case cf2_cmdVVCURVETO:
2745 {
2746 CF2_UInt count, count1 = cf2_stack_count( opStack );
2747 CF2_UInt idx = 0;
2748
2749
2750 /* if `cf2_stack_count' isn't of the form 4n or 4n+1, */
2751 /* we enforce it by clearing the second bit */
2752 /* (and sorting the stack indexing to suit) */
2753 count = count1 & ~2U;
2754 idx += count1 - count;
2755
2756 FT_TRACE4(( " vvcurveto\n" ));
2757
2758 while ( idx < count )
2759 {
2760 CF2_Fixed x1, y1, x2, y2, x3, y3;
2761
2762
2763 if ( ( count - idx ) & 1 )
2764 {
2765 x1 = ADD_INT32( cf2_stack_getReal( opStack, idx ), curX );
2766
2767 idx++;
2768 }
2769 else
2770 x1 = curX;
2771
2772 y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curY );
2773 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 );
2774 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 );
2775 x3 = x2;
2776 y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y2 );
2777
2778 cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 );
2779
2780 curX = x3;
2781 curY = y3;
2782 idx += 4;
2783 }
2784
2785 cf2_stack_clear( opStack );
2786 }
2787 continue; /* no need to clear stack again */
2788
2789 case cf2_cmdHHCURVETO:
2790 {
2791 CF2_UInt count, count1 = cf2_stack_count( opStack );
2792 CF2_UInt idx = 0;
2793
2794
2795 /* if `cf2_stack_count' isn't of the form 4n or 4n+1, */
2796 /* we enforce it by clearing the second bit */
2797 /* (and sorting the stack indexing to suit) */
2798 count = count1 & ~2U;
2799 idx += count1 - count;
2800
2801 FT_TRACE4(( " hhcurveto\n" ));
2802
2803 while ( idx < count )
2804 {
2805 CF2_Fixed x1, y1, x2, y2, x3, y3;
2806
2807
2808 if ( ( count - idx ) & 1 )
2809 {
2810 y1 = ADD_INT32( cf2_stack_getReal( opStack, idx ), curY );
2811
2812 idx++;
2813 }
2814 else
2815 y1 = curY;
2816
2817 x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX );
2818 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 );
2819 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 );
2820 x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), x2 );
2821 y3 = y2;
2822
2823 cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 );
2824
2825 curX = x3;
2826 curY = y3;
2827 idx += 4;
2828 }
2829
2830 cf2_stack_clear( opStack );
2831 }
2832 continue; /* no need to clear stack again */
2833
2834 case cf2_cmdVHCURVETO:
2835 case cf2_cmdHVCURVETO:
2836 {
2837 CF2_UInt count, count1 = cf2_stack_count( opStack );
2838 CF2_UInt idx = 0;
2839
2840 FT_Bool alternate = FT_BOOL( op1 == cf2_cmdHVCURVETO );
2841
2842
2843 /* if `cf2_stack_count' isn't of the form 8n, 8n+1, */
2844 /* 8n+4, or 8n+5, we enforce it by clearing the */
2845 /* second bit */
2846 /* (and sorting the stack indexing to suit) */
2847 count = count1 & ~2U;
2848 idx += count1 - count;
2849
2850 FT_TRACE4(( alternate ? " hvcurveto\n" : " vhcurveto\n" ));
2851
2852 while ( idx < count )
2853 {
2854 CF2_Fixed x1, x2, x3, y1, y2, y3;
2855
2856
2857 if ( alternate )
2858 {
2859 x1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curX );
2860 y1 = curY;
2861 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 );
2862 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 );
2863 y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), y2 );
2864
2865 if ( count - idx == 5 )
2866 {
2867 x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), x2 );
2868
2869 idx++;
2870 }
2871 else
2872 x3 = x2;
2873
2874 alternate = FALSE;
2875 }
2876 else
2877 {
2878 x1 = curX;
2879 y1 = ADD_INT32( cf2_stack_getReal( opStack, idx + 0 ), curY );
2880 x2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 1 ), x1 );
2881 y2 = ADD_INT32( cf2_stack_getReal( opStack, idx + 2 ), y1 );
2882 x3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 3 ), x2 );
2883
2884 if ( count - idx == 5 )
2885 {
2886 y3 = ADD_INT32( cf2_stack_getReal( opStack, idx + 4 ), y2 );
2887
2888 idx++;
2889 }
2890 else
2891 y3 = y2;
2892
2893 alternate = TRUE;
2894 }
2895
2896 cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 );
2897
2898 curX = x3;
2899 curY = y3;
2900 idx += 4;
2901 }
2902
2903 cf2_stack_clear( opStack );
2904 }
2905 continue; /* no need to clear stack again */
2906
2907 case cf2_cmdEXTENDEDNMBR:
2908 {
2909 CF2_Int v;
2910
2911 CF2_Int byte1 = cf2_buf_readByte( charstring );
2912 CF2_Int byte2 = cf2_buf_readByte( charstring );
2913
2914
2915 v = (FT_Short)( ( byte1 << 8 ) |
2916 byte2 );
2917
2918 FT_TRACE4(( " %d", v ));
2919
2920 cf2_stack_pushInt( opStack, v );
2921 }
2922 continue;
2923
2924 default:
2925 /* numbers */
2926 {
2927 if ( /* op1 >= 32 && */ op1 <= 246 )
2928 {
2929 CF2_Int v;
2930
2931
2932 v = op1 - 139;
2933
2934 FT_TRACE4(( " %d", v ));
2935
2936 /* -107 .. 107 */
2937 cf2_stack_pushInt( opStack, v );
2938 }
2939
2940 else if ( /* op1 >= 247 && */ op1 <= 250 )
2941 {
2942 CF2_Int v;
2943
2944
2945 v = op1;
2946 v -= 247;
2947 v *= 256;
2948 v += cf2_buf_readByte( charstring );
2949 v += 108;
2950
2951 FT_TRACE4(( " %d", v ));
2952
2953 /* 108 .. 1131 */
2954 cf2_stack_pushInt( opStack, v );
2955 }
2956
2957 else if ( /* op1 >= 251 && */ op1 <= 254 )
2958 {
2959 CF2_Int v;
2960
2961
2962 v = op1;
2963 v -= 251;
2964 v *= 256;
2965 v += cf2_buf_readByte( charstring );
2966 v = -v - 108;
2967
2968 FT_TRACE4(( " %d", v ));
2969
2970 /* -1131 .. -108 */
2971 cf2_stack_pushInt( opStack, v );
2972 }
2973
2974 else /* op1 == 255 */
2975 {
2976 CF2_Fixed v;
2977
2978 FT_UInt32 byte1 = (FT_UInt32)cf2_buf_readByte( charstring );
2979 FT_UInt32 byte2 = (FT_UInt32)cf2_buf_readByte( charstring );
2980 FT_UInt32 byte3 = (FT_UInt32)cf2_buf_readByte( charstring );
2981 FT_UInt32 byte4 = (FT_UInt32)cf2_buf_readByte( charstring );
2982
2983
2984 v = (CF2_Fixed)( ( byte1 << 24 ) |
2985 ( byte2 << 16 ) |
2986 ( byte3 << 8 ) |
2987 byte4 );
2988
2989 /*
2990 * For Type 1:
2991 *
2992 * According to the specification, values > 32000 or < -32000
2993 * must be followed by a `div' operator to make the result be
2994 * in the range [-32000;32000]. We expect that the second
2995 * argument of `div' is not a large number. Additionally, we
2996 * don't handle stuff like `<large1> <large2> <num> div <num>
2997 * div' or <large1> <large2> <num> div div'. This is probably
2998 * not allowed anyway.
2999 *
3000 * <large> <num> <num>+ div is not checked but should not be
3001 * allowed as the large value remains untouched.
3002 *
3003 */
3004 if ( font->isT1 )
3005 {
3006 if ( v > 32000 || v < -32000 )
3007 {
3008 if ( large_int )
3009 FT_ERROR(( "cf2_interpT2CharString (Type 1 mode):"
3010 " no `div' after large integer\n" ));
3011 else
3012 large_int = TRUE;
3013 }
3014
3015 FT_TRACE4(( " %d", v ));
3016
3017 cf2_stack_pushInt( opStack, (CF2_Int)v );
3018 }
3019 else
3020 {
3021 FT_TRACE4(( " %.5fF", v / 65536.0 ));
3022
3023 cf2_stack_pushFixed( opStack, v );
3024 }
3025 }
3026 }
3027 continue; /* don't clear stack */
3028
3029 } /* end of switch statement checking `op1' */
3030
3031 cf2_stack_clear( opStack );
3032
3033 } /* end of main interpreter loop */
3034
3035 /* we get here if the charstring ends without cf2_cmdENDCHAR */
3036 FT_TRACE4(( "cf2_interpT2CharString:"
3037 " charstring ends without ENDCHAR\n" ));
3038
3039 exit:
3040 /* check whether last error seen is also the first one */
3041 cf2_setError( error, lastError );
3042
3043 if ( *error )
3044 FT_TRACE4(( "charstring error %d\n", *error ));
3045
3046 /* free resources from objects we've used */
3047 cf2_glyphpath_finalize( &glyphPath );
3048 cf2_arrstack_finalize( &vStemHintArray );
3049 cf2_arrstack_finalize( &hStemHintArray );
3050 cf2_arrstack_finalize( &subrStack );
3051 cf2_stack_free( opStack );
3052
3053 FT_TRACE4(( "\n" ));
3054
3055#ifdef __REACTOS__
3056 free(&glyphPath);
3057#undef counterHintMap
3058#undef glyphPath
3059#endif
3060
3061 return;
3062 }
3063
3064
3065/* END */
results
static struct _test_info results[8]
Definition: SetCursorPos.c:31
advance
_STLP_MOVE_TO_STD_NAMESPACE void _STLP_CALL advance(_InputIterator &__i, _Distance __n)
Definition: _iterator_base.h:515
stack
Definition: _stack.h:55
free
#define free
Definition: debug_ros.c:5
malloc
#define malloc
Definition: debug_ros.c:4
T1_MAX_SUBRS_CALLS
#define T1_MAX_SUBRS_CALLS
Definition: ftoption.h:715
NULL
#define NULL
Definition: types.h:112
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
idx
unsigned int idx
Definition: utils.c:41
FT_DivFix
FT_DivFix(FT_Long a, FT_Long b)
Definition: ftcalc.c:608
FT_SUBGLYPH_FLAG_USE_MY_METRICS
#define FT_SUBGLYPH_FLAG_USE_MY_METRICS
Definition: freetype.h:3928
FT_GlyphSlot
struct FT_GlyphSlotRec_ * FT_GlyphSlot
Definition: freetype.h:554
FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES
#define FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES
Definition: freetype.h:3923
FT_MulFix
FT_MulFix(FT_Long a, FT_Long b)
Definition: ftcalc.c:509
FT_Err_Ok
return FT_Err_Ok
Definition: ftbbox.c:511
FIXED_TO_INT
#define FIXED_TO_INT(x)
Definition: ftcalc.h:406
SUB_INT32
#define SUB_INT32(a, b)
Definition: ftcalc.h:431
ADD_INT32
#define ADD_INT32(a, b)
Definition: ftcalc.h:429
FT_LOCAL_DEF
#define FT_LOCAL_DEF(x)
Definition: ftconfig.h:388
FT_ASSERT
#define FT_ASSERT(condition)
Definition: ftdebug.h:211
FT_ERROR
#define FT_ERROR(varformat)
Definition: ftdebug.h:181
FT_TRACE5
#define FT_TRACE5(varformat)
Definition: ftdebug.h:162
FT_THROW
#define FT_THROW(e)
Definition: ftdebug.h:213
FT_TRACE4
#define FT_TRACE4(varformat)
Definition: ftdebug.h:161
PostScript
cannot open resource broken file module version is too low unimplemented feature broken offset within table missing module invalid glyph index unsupported glyph image format invalid outline too many hints invalid object handle invalid module handle invalid size handle invalid charmap handle invalid stream handle too many extensions unlisted object invalid stream seek invalid stream read invalid frame operation invalid frame read raster corrupted negative height while rastering invalid opcode stack overflow bad argument invalid reference found ENDF opcode in execution stream invalid code range too many function definitions SFNT font table missing name table missing horizontal PostScript(post) table missing" ) FT_ERRORDEF_( Invalid_Horiz_Metrics
FT_GlyphLoader_Prepare
FT_GlyphLoader_Prepare(FT_GlyphLoader loader)
Definition: ftgloadr.c:312
FT_GlyphLoader_CheckSubGlyphs
FT_GlyphLoader_CheckSubGlyphs(FT_GlyphLoader loader, FT_UInt n_subs)
Definition: ftgloadr.c:281
ft_hash_num_lookup
size_t * ft_hash_num_lookup(FT_Int num, FT_Hash hash)
Definition: fthash.c:327
FT_Pos
FT_BEGIN_HEADER typedef signed long FT_Pos
Definition: ftimage.h:58
FT_ZERO
#define FT_ZERO(p)
Definition: ftmemory.h:237
FT_ABS
#define FT_ABS(a)
Definition: ftobjs.h:74
ft_memcpy
#define ft_memcpy
Definition: ftstdlib.h:82
FT_Memory
typedefFT_BEGIN_HEADER struct FT_MemoryRec_ * FT_Memory
Definition: ftsystem.h:66
FT_Bool
FT_BEGIN_HEADER typedef unsigned char FT_Bool
Definition: fttypes.h:108
FT_Byte
unsigned char FT_Byte
Definition: fttypes.h:154
FT_Fixed
signed long FT_Fixed
Definition: fttypes.h:288
FT_Error
int FT_Error
Definition: fttypes.h:300
FT_Short
signed short FT_Short
Definition: fttypes.h:198
FT_UInt
unsigned int FT_UInt
Definition: fttypes.h:231
FT_BOOL
#define FT_BOOL(x)
Definition: fttypes.h:578
FT_Int
signed int FT_Int
Definition: fttypes.h:220
v
const GLdouble * v
Definition: gl.h:2040
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
r
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
width
GLint GLint GLsizei width
Definition: gl.h:1546
size
GLsizeiptr size
Definition: glext.h:5919
arg1
GLuint GLuint GLuint GLuint arg1
Definition: glext.h:9513
mask
GLenum GLint GLuint mask
Definition: glext.h:6028
top
GLdouble GLdouble GLdouble GLdouble top
Definition: glext.h:10859
arg2
GLuint GLuint GLuint GLuint GLuint GLuint GLuint arg2
Definition: glext.h:9514
face
GLenum GLuint GLint GLenum face
Definition: glext.h:7025
buf
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
left
GLint left
Definition: glext.h:7726
divisor
GLuint divisor
Definition: glext.h:6313
values
GLboolean GLenum GLenum GLvoid * values
Definition: glext.h:5666
val
GLuint GLfloat * val
Definition: glext.h:7180
v0
GLfloat v0
Definition: glext.h:6061
v1
GLfloat GLfloat v1
Definition: glext.h:6062
v2
GLfloat GLfloat GLfloat v2
Definition: glext.h:6063
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
j
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
routine
int jpeg_marker_parser_method routine
Definition: jpeglib.h:1093
CF2_UInt
#define CF2_UInt
Definition: pstypes.h:64
CF2_Int
#define CF2_Int
Definition: pstypes.h:65
CF2_F16Dot16
FT_Int32 CF2_F16Dot16
Definition: pstypes.h:69
error
#define error(str)
Definition: mkdosfs.c:1605
memory
static char memory[1024 *256]
Definition: process.c:116
font
Definition: mk_font.cpp:20
cf2_arrstack_getPointer
cf2_arrstack_getPointer(const CF2_ArrStack arrstack, size_t idx)
Definition: psarrst.c:187
cf2_arrstack_setCount
cf2_arrstack_setCount(CF2_ArrStack arrstack, size_t numElements)
Definition: psarrst.c:140
cf2_arrstack_push
cf2_arrstack_push(CF2_ArrStack arrstack, const void *ptr)
Definition: psarrst.c:212
cf2_arrstack_finalize
cf2_arrstack_finalize(CF2_ArrStack arrstack)
Definition: psarrst.c:76
cf2_arrstack_init
cf2_arrstack_init(CF2_ArrStack arrstack, FT_Memory memory, FT_Error *error, size_t sizeItem)
Definition: psarrst.c:56
cf2_arrstack_getBuffer
cf2_arrstack_getBuffer(const CF2_ArrStack arrstack)
Definition: psarrst.c:177
cf2_arrstack_clear
cf2_arrstack_clear(CF2_ArrStack arrstack)
Definition: psarrst.c:158
cf2_arrstack_size
cf2_arrstack_size(const CF2_ArrStack arrstack)
Definition: psarrst.c:168
CF2_ArrStack
FT_BEGIN_HEADER struct CF2_ArrStackRec_ * CF2_ArrStack
CF2_ArrStackRec
FT_BEGIN_HEADER struct CF2_ArrStackRec_ CF2_ArrStackRec
cf2_setError
cf2_setError(FT_Error *error, FT_Error value)
Definition: pserror.c:44
CF2_SET_ERROR
#define CF2_SET_ERROR(error, e)
Definition: pserror.h:109
CF2_Fixed
#define CF2_Fixed
Definition: psfixed.h:48
CF2_FIXED_MAX
#define CF2_FIXED_MAX
Definition: psfixed.h:52
cf2_fixedAbs
#define cf2_fixedAbs(x)
Definition: psfixed.h:68
CF2_OPERAND_STACK_SIZE
#define CF2_OPERAND_STACK_SIZE
Definition: psfont.h:52
CF2_MAX_SUBR
#define CF2_MAX_SUBR
Definition: psfont.h:53
CF2_STORAGE_SIZE
#define CF2_STORAGE_SIZE
Definition: psfont.h:59
cf2_freeSeacComponent
cf2_freeSeacComponent(PS_Decoder *decoder, CF2_Buffer buf)
Definition: psft.c:708
cf2_freeT1SeacComponent
cf2_freeT1SeacComponent(PS_Decoder *decoder, CF2_Buffer buf)
Definition: psft.c:767
cf2_initLocalRegionBuffer
cf2_initLocalRegionBuffer(PS_Decoder *decoder, CF2_Int subrNum, CF2_Buffer buf)
Definition: psft.c:791
cf2_getNominalWidthX
cf2_getNominalWidthX(PS_Decoder *decoder)
Definition: psft.c:853
cf2_initGlobalRegionBuffer
cf2_initGlobalRegionBuffer(PS_Decoder *decoder, CF2_Int subrNum, CF2_Buffer buf)
Definition: psft.c:632
cf2_getT1SeacComponent
cf2_getT1SeacComponent(PS_Decoder *decoder, FT_UInt glyph_index, CF2_Buffer buf)
Definition: psft.c:721
cf2_getMaxstack
cf2_getMaxstack(PS_Decoder *decoder)
Definition: psft.c:468
cf2_getDefaultWidthX
cf2_getDefaultWidthX(PS_Decoder *decoder)
Definition: psft.c:843
cf2_getSeacComponent
cf2_getSeacComponent(PS_Decoder *decoder, CF2_Int code, CF2_Buffer buf)
Definition: psft.c:660
cf2_glyphpath_moveTo
cf2_glyphpath_moveTo(CF2_GlyphPath glyphpath, CF2_Fixed x, CF2_Fixed y)
Definition: pshints.c:1681
cf2_glyphpath_finalize
cf2_glyphpath_finalize(CF2_GlyphPath glyphpath)
Definition: pshints.c:1154
cf2_hintmap_build
cf2_hintmap_build(CF2_HintMap hintmap, CF2_ArrStack hStemHintArray, CF2_ArrStack vStemHintArray, CF2_HintMask hintMask, CF2_Fixed hintOrigin, FT_Bool initialMap)
Definition: pshints.c:808
cf2_glyphpath_curveTo
cf2_glyphpath_curveTo(CF2_GlyphPath glyphpath, CF2_Fixed x1, CF2_Fixed y1, CF2_Fixed x2, CF2_Fixed y2, CF2_Fixed x3, CF2_Fixed y3)
Definition: pshints.c:1817
cf2_glyphpath_closeOpenPath
cf2_glyphpath_closeOpenPath(CF2_GlyphPath glyphpath)
Definition: pshints.c:1907
cf2_glyphpath_lineTo
cf2_glyphpath_lineTo(CF2_GlyphPath glyphpath, CF2_Fixed x, CF2_Fixed y)
Definition: pshints.c:1711
cf2_hintmap_init
cf2_hintmap_init(CF2_HintMap hintmap, CF2_Font font, CF2_HintMap initialMap, CF2_ArrStack hintMoves, CF2_Fixed scale)
Definition: pshints.c:277
cf2_glyphpath_init
cf2_glyphpath_init(CF2_GlyphPath glyphpath, CF2_Font font, CF2_OutlineCallbacks callbacks, CF2_Fixed scaleY, CF2_ArrStack hStemHintArray, CF2_ArrStack vStemHintArray, CF2_HintMask hintMask, CF2_Fixed hintOriginY, const CF2_Blues blues, const FT_Vector *fractionalTranslation)
Definition: pshints.c:1083
cf2_cmdVSTEMHM
@ cf2_cmdVSTEMHM
Definition: psintrp.c:224
cf2_cmdRESERVED_2
@ cf2_cmdRESERVED_2
Definition: psintrp.c:203
cf2_cmdVLINETO
@ cf2_cmdVLINETO
Definition: psintrp.c:208
cf2_cmdHLINETO
@ cf2_cmdHLINETO
Definition: psintrp.c:207
cf2_cmdBLEND
@ cf2_cmdBLEND
Definition: psintrp.c:217
cf2_cmdRLINETO
@ cf2_cmdRLINETO
Definition: psintrp.c:206
cf2_cmdRETURN
@ cf2_cmdRETURN
Definition: psintrp.c:212
cf2_cmdENDCHAR
@ cf2_cmdENDCHAR
Definition: psintrp.c:215
cf2_cmdHVCURVETO
@ cf2_cmdHVCURVETO
Definition: psintrp.c:232
cf2_cmdRCURVELINE
@ cf2_cmdRCURVELINE
Definition: psintrp.c:225
cf2_cmdVMOVETO
@ cf2_cmdVMOVETO
Definition: psintrp.c:205
cf2_cmdCALLSUBR
@ cf2_cmdCALLSUBR
Definition: psintrp.c:211
cf2_cmdHSTEMHM
@ cf2_cmdHSTEMHM
Definition: psintrp.c:219
cf2_cmdHSTEM
@ cf2_cmdHSTEM
Definition: psintrp.c:202
cf2_cmdEXTENDEDNMBR
@ cf2_cmdEXTENDEDNMBR
Definition: psintrp.c:229
cf2_cmdRESERVED_17
@ cf2_cmdRESERVED_17
Definition: psintrp.c:218
cf2_cmdHHCURVETO
@ cf2_cmdHHCURVETO
Definition: psintrp.c:228
cf2_cmdVSTEM
@ cf2_cmdVSTEM
Definition: psintrp.c:204
cf2_cmdRRCURVETO
@ cf2_cmdRRCURVETO
Definition: psintrp.c:209
cf2_cmdRESERVED_0
@ cf2_cmdRESERVED_0
Definition: psintrp.c:201
cf2_cmdRLINECURVE
@ cf2_cmdRLINECURVE
Definition: psintrp.c:226
cf2_cmdVVCURVETO
@ cf2_cmdVVCURVETO
Definition: psintrp.c:227
cf2_cmdVSINDEX
@ cf2_cmdVSINDEX
Definition: psintrp.c:216
cf2_cmdCLOSEPATH
@ cf2_cmdCLOSEPATH
Definition: psintrp.c:210
cf2_cmdRMOVETO
@ cf2_cmdRMOVETO
Definition: psintrp.c:222
cf2_cmdHINTMASK
@ cf2_cmdHINTMASK
Definition: psintrp.c:220
cf2_cmdCNTRMASK
@ cf2_cmdCNTRMASK
Definition: psintrp.c:221
cf2_cmdESC
@ cf2_cmdESC
Definition: psintrp.c:213
cf2_cmdHMOVETO
@ cf2_cmdHMOVETO
Definition: psintrp.c:223
cf2_cmdVHCURVETO
@ cf2_cmdVHCURVETO
Definition: psintrp.c:231
cf2_cmdCALLGSUBR
@ cf2_cmdCALLGSUBR
Definition: psintrp.c:230
cf2_cmdHSBW
@ cf2_cmdHSBW
Definition: psintrp.c:214
cf2_hintmask_isNew
cf2_hintmask_isNew(const CF2_HintMask hintmask)
Definition: psintrp.c:83
cf2_doFlex
static void cf2_doFlex(CF2_Stack opStack, CF2_Fixed *curX, CF2_Fixed *curY, CF2_GlyphPath glyphPath, const FT_Bool *readFromStack, FT_Bool doConditionalLastRead)
Definition: psintrp.c:335
cf2_hintmask_getMaskPtr
cf2_hintmask_getMaskPtr(CF2_HintMask hintmask)
Definition: psintrp.c:101
cf2_hintmask_setCounts
static size_t cf2_hintmask_setCounts(CF2_HintMask hintmask, size_t bitCount)
Definition: psintrp.c:108
cf2_doStems
static void cf2_doStems(const CF2_Font font, CF2_Stack opStack, CF2_ArrStack stemHintArray, CF2_Fixed *width, FT_Bool *haveWidth, CF2_Fixed hintOffset)
Definition: psintrp.c:281
cf2_hintmask_setAll
cf2_hintmask_setAll(CF2_HintMask hintmask, size_t bitCount)
Definition: psintrp.c:173
PS_STORAGE_SIZE
#define PS_STORAGE_SIZE
cf2_doBlend
static void cf2_doBlend(const CFF_Blend blend, CF2_Stack opStack, CF2_UInt numBlends)
Definition: psintrp.c:418
cf2_hintmask_read
static void cf2_hintmask_read(CF2_HintMask hintmask, CF2_Buffer charstring, size_t bitCount)
Definition: psintrp.c:131
cf2_hintmask_isValid
cf2_hintmask_isValid(const CF2_HintMask hintmask)
Definition: psintrp.c:76
cf2_hintmask_init
cf2_hintmask_init(CF2_HintMask hintmask, FT_Error *error)
Definition: psintrp.c:66
cf2_interpT2CharString
cf2_interpT2CharString(CF2_Font font, CF2_Buffer buf, CF2_OutlineCallbacks callbacks, const FT_Vector *translation, FT_Bool doingSeac, CF2_Fixed curX, CF2_Fixed curY, CF2_Fixed *width)
Definition: psintrp.c:471
cf2_hintmask_setNew
cf2_hintmask_setNew(CF2_HintMask hintmask, FT_Bool val)
Definition: psintrp.c:90
cf2_escSBW
@ cf2_escSBW
Definition: psintrp.c:244
cf2_escROLL
@ cf2_escROLL
Definition: psintrp.c:267
cf2_escDUP
@ cf2_escDUP
Definition: psintrp.c:264
cf2_escPOP
@ cf2_escPOP
Definition: psintrp.c:254
cf2_escOR
@ cf2_escOR
Definition: psintrp.c:241
cf2_escEQ
@ cf2_escEQ
Definition: psintrp.c:252
cf2_escRESERVED_19
@ cf2_escRESERVED_19
Definition: psintrp.c:256
cf2_escINDEX
@ cf2_escINDEX
Definition: psintrp.c:266
cf2_escVSTEM3
@ cf2_escVSTEM3
Definition: psintrp.c:238
cf2_escRESERVED_13
@ cf2_escRESERVED_13
Definition: psintrp.c:250
cf2_escFLEX1
@ cf2_escFLEX1
Definition: psintrp.c:274
cf2_escRESERVED_8
@ cf2_escRESERVED_8
Definition: psintrp.c:245
cf2_escHSTEM3
@ cf2_escHSTEM3
Definition: psintrp.c:239
cf2_escCALLOTHERSUBR
@ cf2_escCALLOTHERSUBR
Definition: psintrp.c:253
cf2_escSETCURRENTPT
@ cf2_escSETCURRENTPT
Definition: psintrp.c:270
cf2_escPUT
@ cf2_escPUT
Definition: psintrp.c:257
cf2_escRESERVED_31
@ cf2_escRESERVED_31
Definition: psintrp.c:268
cf2_escRANDOM
@ cf2_escRANDOM
Definition: psintrp.c:260
cf2_escRESERVED_32
@ cf2_escRESERVED_32
Definition: psintrp.c:269
cf2_escDIV
@ cf2_escDIV
Definition: psintrp.c:249
cf2_escSUB
@ cf2_escSUB
Definition: psintrp.c:248
cf2_escRESERVED_38
@ cf2_escRESERVED_38
Definition: psintrp.c:275
cf2_escDROP
@ cf2_escDROP
Definition: psintrp.c:255
cf2_escABS
@ cf2_escABS
Definition: psintrp.c:246
cf2_escSQRT
@ cf2_escSQRT
Definition: psintrp.c:263
cf2_escNEG
@ cf2_escNEG
Definition: psintrp.c:251
cf2_escFLEX
@ cf2_escFLEX
Definition: psintrp.c:272
cf2_escSEAC
@ cf2_escSEAC
Definition: psintrp.c:243
cf2_escMUL
@ cf2_escMUL
Definition: psintrp.c:261
cf2_escRESERVED_25
@ cf2_escRESERVED_25
Definition: psintrp.c:262
cf2_escHFLEX
@ cf2_escHFLEX
Definition: psintrp.c:271
cf2_escIFELSE
@ cf2_escIFELSE
Definition: psintrp.c:259
cf2_escHFLEX1
@ cf2_escHFLEX1
Definition: psintrp.c:273
cf2_escDOTSECTION
@ cf2_escDOTSECTION
Definition: psintrp.c:237
cf2_escAND
@ cf2_escAND
Definition: psintrp.c:240
cf2_escGET
@ cf2_escGET
Definition: psintrp.c:258
cf2_escADD
@ cf2_escADD
Definition: psintrp.c:247
cf2_escEXCH
@ cf2_escEXCH
Definition: psintrp.c:265
cf2_escNOT
@ cf2_escNOT
Definition: psintrp.c:242
ps_builder_close_contour
ps_builder_close_contour(PS_Builder *builder)
Definition: psobjs.c:2278
cff_random
cff_random(FT_UInt32 r)
Definition: psobjs.c:2522
ps_builder_check_points
ps_builder_check_points(PS_Builder *builder, FT_Int count)
Definition: psobjs.c:2145
cf2_buf_readByte
cf2_buf_readByte(CF2_Buffer buf)
Definition: psread.c:80
cf2_buf_isEnd
cf2_buf_isEnd(CF2_Buffer buf)
Definition: psread.c:106
CF2_BufferRec
FT_BEGIN_HEADER struct CF2_BufferRec_ CF2_BufferRec
CF2_Buffer
FT_BEGIN_HEADER struct CF2_BufferRec_ * CF2_Buffer
cf2_stack_pushInt
cf2_stack_pushInt(CF2_Stack stack, CF2_Int val)
Definition: psstack.c:107
cf2_stack_popFixed
cf2_stack_popFixed(CF2_Stack stack)
Definition: psstack.c:162
cf2_stack_count
cf2_stack_count(CF2_Stack stack)
Definition: psstack.c:100
cf2_stack_setReal
cf2_stack_setReal(CF2_Stack stack, CF2_UInt idx, CF2_Fixed val)
Definition: psstack.c:212
cf2_stack_clear
cf2_stack_clear(CF2_Stack stack)
Definition: psstack.c:322
cf2_stack_popInt
cf2_stack_popInt(CF2_Stack stack)
Definition: psstack.c:140
cf2_stack_pop
cf2_stack_pop(CF2_Stack stack, CF2_UInt num)
Definition: psstack.c:229
cf2_stack_free
cf2_stack_free(CF2_Stack stack)
Definition: psstack.c:84
cf2_stack_roll
cf2_stack_roll(CF2_Stack stack, CF2_Int count, CF2_Int shift)
Definition: psstack.c:242
cf2_stack_init
cf2_stack_init(FT_Memory memory, FT_Error *e, FT_UInt stackSize)
Definition: psstack.c:53
cf2_stack_pushFixed
cf2_stack_pushFixed(CF2_Stack stack, CF2_Fixed val)
Definition: psstack.c:123
cf2_stack_getReal
cf2_stack_getReal(CF2_Stack stack, CF2_UInt idx)
Definition: psstack.c:187
sum
static int sum(int x_, int y_)
Definition: ptr2_test.cpp:35
temp
static calc_node_t temp
Definition: rpn_ieee.c:38
error2
#define error2(s, a, b)
Definition: debug.h:126
exit
#define exit(n)
Definition: config.h:202
weight
weight
Definition: sortkey.c:157
CF2_MAX_HINTS
@ CF2_MAX_HINTS
Definition: pshints.h:47
CF2_FontRec_
Definition: psfont.h:64
CF2_GlyphPathRec_
Definition: pshints.h:182
CF2_GlyphPathRec_::hintMoves
CF2_ArrStackRec hintMoves
Definition: pshints.h:193
CF2_GlyphPathRec_::initialHintMap
CF2_HintMapRec initialHintMap
Definition: pshints.h:191
CF2_HintMapRec_
Definition: pshints.h:127
CF2_HintMaskRec_
Definition: pshints.h:71
CF2_HintMaskRec_::isNew
FT_Bool isNew
Definition: pshints.h:75
CF2_HintMaskRec_::byteCount
size_t byteCount
Definition: pshints.h:78
CF2_HintMaskRec_::error
FT_Error * error
Definition: pshints.h:72
CF2_HintMaskRec_::isValid
FT_Bool isValid
Definition: pshints.h:74
CF2_HintMaskRec_::bitCount
size_t bitCount
Definition: pshints.h:77
CF2_HintMaskRec_::mask
FT_Byte mask[(CF2_MAX_HINTS+7)/8]
Definition: pshints.h:80
CF2_OutlineCallbacksRec_
Definition: psglue.h:125
CF2_StackRec_
Definition: psstack.h:62
CF2_StemHintRec_
Definition: pshints.h:86
CF2_StemHintRec_::maxDS
CF2_Fixed maxDS
Definition: pshints.h:93
CF2_StemHintRec_::min
CF2_Fixed min
Definition: pshints.h:89
CF2_StemHintRec_::max
CF2_Fixed max
Definition: pshints.h:90
CF2_StemHintRec_::used
FT_Bool used
Definition: pshints.h:87
CF2_StemHintRec_::minDS
CF2_Fixed minDS
Definition: pshints.h:92
CFF_BlendRec_
Definition: cfftypes.h:167
CFF_BlendRec_::lenBV
FT_UInt lenBV
Definition: cfftypes.h:174
CFF_BlendRec_::BV
FT_Int32 * BV
Definition: cfftypes.h:175
CFF_SubFontRec_::random
FT_UInt32 random
Definition: cfftypes.h:325
FT_GlyphLoaderRec_
Definition: ftgloadr.h:62
FT_GlyphSlotRec_
Definition: freetype.h:1909
FT_GlyphSlotRec_::subglyphs
FT_SubGlyph subglyphs
Definition: freetype.h:1930
FT_GlyphSlotRec_::num_subglyphs
FT_UInt num_subglyphs
Definition: freetype.h:1929
FT_GlyphSlotRec_::internal
FT_Slot_Internal internal
Definition: freetype.h:1940
FT_GlyphSlotRec_::format
FT_Glyph_Format format
Definition: freetype.h:1921
FT_Slot_InternalRec_::loader
FT_GlyphLoader loader
Definition: ftobjs.h:467
FT_SubGlyphRec_
Definition: ftgloadr.h:40
FT_Vector_
Definition: ftimage.h:75
FT_Vector_::x
FT_Pos x
Definition: ftimage.h:76
FT_Vector_::y
FT_Pos y
Definition: ftimage.h:77
PS_BlendRec_
Definition: t1tables.h:299
PS_BlendRec_::num_designs
FT_UInt num_designs
Definition: t1tables.h:300
PS_BlendRec_::weight_vector
FT_Fixed * weight_vector
Definition: t1tables.h:307
PS_Builder_
Definition: psaux.h:533
PS_Builder_::advance
FT_Vector * advance
Definition: psaux.h:545
PS_Builder_::left_bearing
FT_Vector * left_bearing
Definition: psaux.h:544
PS_Builder_::glyph
CFF_GlyphSlot glyph
Definition: psaux.h:536
PS_Builder_::no_recurse
FT_Bool no_recurse
Definition: psaux.h:550
PS_Builder_::loader
FT_GlyphLoader loader
Definition: psaux.h:537
PS_Builder_::face
FT_Face face
Definition: psaux.h:535
PS_Builder_::metrics_only
FT_Bool metrics_only
Definition: psaux.h:552
PS_Decoder_
Definition: psaux.h:600
PS_Decoder_::glyph_names
FT_Byte ** glyph_names
Definition: psaux.h:630
PS_Decoder_::num_flex_vectors
FT_Int num_flex_vectors
Definition: psaux.h:610
PS_Decoder_::locals_hash
FT_Hash locals_hash
Definition: psaux.h:645
PS_Decoder_::current_subfont
CFF_SubFont current_subfont
Definition: psaux.h:614
PS_Decoder_::buildchar
FT_Long * buildchar
Definition: psaux.h:652
PS_Decoder_::len_buildchar
FT_UInt len_buildchar
Definition: psaux.h:653
PS_Decoder_::flex_state
FT_Int flex_state
Definition: psaux.h:609
PS_Decoder_::globals_bias
FT_Int globals_bias
Definition: psaux.h:625
PS_Decoder_::width_only
FT_Bool width_only
Definition: psaux.h:618
PS_Decoder_::builder
PS_Builder builder
Definition: psaux.h:601
PS_Decoder_::blend
PS_Blend blend
Definition: psaux.h:650
PS_Decoder_::locals_bias
FT_Int locals_bias
Definition: psaux.h:624
T1_FaceRec_
Definition: t1types.h:201
_root
Definition: btrfs_drv.h:450
t1_lookup_glyph_by_stdcharcode_ps
t1_lookup_glyph_by_stdcharcode_ps(PS_Decoder *decoder, FT_Int charcode)
Definition: t1decode.c:131
T1_Face
struct T1_FaceRec_ * T1_Face
Definition: t1types.h:196
arg_cnt
static unsigned arg_cnt(const DISPPARAMS *dp)
Definition: vbscript.h:162
which
static GLenum which
Definition: wgl_font.c:159
x2
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG x2
Definition: winddi.h:3710
y1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG y1
Definition: winddi.h:3709
x1
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG x1
Definition: winddi.h:3708
y2
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG _In_ LONG y2
Definition: winddi.h:3711
arg
void * arg
Definition: msvc.h:10
sizeof
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList
callbacks
static int callbacks
Definition: xmllint.c:838
const
#define const
Definition: zconf.h:233