/src/harfbuzz/src/hb-limits.hh

Source
/*
 * Copyright © 2022  Behdad Esfahbod
 *
 *  This is part of HarfBuzz, a text shaping library.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 *
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 */

#ifndef HB_LIMITS_HH
#define HB_LIMITS_HH

#include "hb.hh"


#ifndef HB_BUFFER_MAX_LEN_FACTOR
#define HB_BUFFER_MAX_LEN_FACTOR 256
#endif
#ifndef HB_BUFFER_MAX_LEN_MIN
#define HB_BUFFER_MAX_LEN_MIN 65536
#endif
#ifndef HB_BUFFER_MAX_LEN_DEFAULT
#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
#endif

#ifndef HB_BUFFER_MAX_OPS_FACTOR
#define HB_BUFFER_MAX_OPS_FACTOR 4096
#endif
#ifndef HB_BUFFER_MAX_OPS_MIN
#define HB_BUFFER_MAX_OPS_MIN 65536
#endif
#ifndef HB_BUFFER_MAX_OPS_DEFAULT
#define HB_BUFFER_MAX_OPS_DEFAULT 0x1FFFFFFF /* Shaping more than a billion operations? Let us know! */
#endif


#ifndef HB_MAX_NESTING_LEVEL
#define HB_MAX_NESTING_LEVEL 64
#endif


#ifndef HB_MAX_CONTEXT_LENGTH
#define HB_MAX_CONTEXT_LENGTH 64
#endif

#ifndef HB_MAX_SYLLABLE_LENGTH
#define HB_MAX_SYLLABLE_LENGTH 64
#endif

#ifndef HB_CLOSURE_MAX_STAGES
/*
 * The maximum number of times a lookup can be applied during shaping.
 * Used to limit the number of iterations of the closure algorithm.
 * This must be larger than the number of times add_gsub_pause() is
 * called in a collect_features call of any shaper.
 */
#define HB_CLOSURE_MAX_STAGES 12
#endif

#ifndef HB_MAX_SCRIPTS
#define HB_MAX_SCRIPTS 500
#endif

#ifndef HB_MAX_LANGSYS
#define HB_MAX_LANGSYS 2000
#endif

#ifndef HB_MAX_LANGSYS_FEATURE_COUNT
#define HB_MAX_LANGSYS_FEATURE_COUNT 50000
#endif

#ifndef HB_MAX_FEATURE_INDICES
#define HB_MAX_FEATURE_INDICES 8000
#endif

#ifndef HB_MAX_LOOKUP_VISIT_COUNT
#define HB_MAX_LOOKUP_VISIT_COUNT 35000
#endif

#ifndef HB_MAX_GRAPH_EDGE_COUNT
#define HB_MAX_GRAPH_EDGE_COUNT 16384
#endif

#ifndef HB_VAR_COMPOSITE_MAX_AXES
#define HB_VAR_COMPOSITE_MAX_AXES 4096
#endif

#ifndef HB_GLYF_MAX_POINTS
#define HB_GLYF_MAX_POINTS 200000
#endif

#ifndef HB_CFF_MAX_OPS
#define HB_CFF_MAX_OPS 200000
#endif

#ifndef HB_MAX_COMPOSITE_OPERATIONS_PER_GLYPH
#define HB_MAX_COMPOSITE_OPERATIONS_PER_GLYPH 64
#endif

#ifndef HB_SVG_MAX_PATH_SEGMENTS
#define HB_SVG_MAX_PATH_SEGMENTS 262144
#endif

#ifndef HB_GPU_DRAW_MAX_CURVES
#define HB_GPU_DRAW_MAX_CURVES 65536
#endif

/* Tiles emitted by one hb_paint_sweep_gradient_tiles() call.  Also
 * sets the angular resolution (2π over this) below which a repeating
 * color line is filled with its average color instead of tiled;
 * a repeat/reflect color line whose stops span a tiny angle could
 * otherwise emit millions of patches while covering 0..2π. */
#ifndef HB_PAINT_MAX_SWEEP_TILES
#define HB_PAINT_MAX_SWEEP_TILES 4096
#endif

#ifndef HB_SVG_MAX_DOCUMENT_SIZE
#define HB_SVG_MAX_DOCUMENT_SIZE ((size_t) 16 << 20)
#endif

/* Maximum size of one serialized vector document (SVG or PDF) produced by
 * the vector backends.  Bounds output that is not outline-derived -- most
 * of a path, but especially sweep-gradient meshes and embedded bitmaps --
 * which the outline work budget cannot see.  vector is one glyph per
 * context, so a flat cap suffices.  Unsigned (not size_t like the SVG-table
 * limit above) to match hb_vector_buf_t's unsigned length arithmetic. */
#ifndef HB_VECTOR_MAX_DOCUMENT_SIZE
#define HB_VECTOR_MAX_DOCUMENT_SIZE ((unsigned) 16 << 20)
#endif

#ifndef HB_RASTER_MAX_BUFFER_SIZE
#define HB_RASTER_MAX_BUFFER_SIZE ((size_t) 1 << 30)
#endif

/* Maximum surface dimension (pixels per side) when extents are derived
 * from font data (glyph extents or accumulated outline bounds).  Bounds
 * attacker-controlled allocations; extents set explicitly through
 * hb_raster_{draw,paint}_set_extents() are not limited. */
#ifndef HB_RASTER_MAX_AUTO_DIMENSION
#define HB_RASTER_MAX_AUTO_DIMENSION 4096
#endif

/*
 * Cumulative work budgets.
 *
 * The limits above bound work within one subsystem: points per glyf
 * glyph, ops per CFF charstring, nodes in a COLR or VARC graph,
 * pixels per raster surface.  When one subsystem drives another --
 * COLR driving a paint backend, a paint backend or VARC loading
 * glyf/CFF outlines -- those limits multiply.  Each driving session
 * therefore carries one cumulative budget, initialized once per
 * top-level entry and only ever decremented, shared by everything
 * the session consumes.  Once a budget is exhausted, further work
 * is skipped best-effort.
 */

/* Fixed relative weights.  Keep the value in the name so charge sites are
 * easy to audit; tune the common session cap, not these values. */
#define HB_BUDGET_1 1u
#define HB_BUDGET_2 2u
#define HB_BUDGET_4 4u
#define HB_BUDGET_8 8u
#define HB_BUDGET_16  16u
#define HB_BUDGET_32  32u
#define HB_BUDGET_64  64u
#define HB_BUDGET_128 128u
#define HB_BUDGET_256 256u
#define HB_BUDGET_512 512u
#define HB_BUDGET_1024  1024u

/* The common finite default for one top-level glyph rendering session.
 * Nested outline and paint work shares the same live counter. */
#ifndef HB_BUDGET_GLYPH
#define HB_BUDGET_GLYPH ((int64_t) 1 << 24)
#endif

/* Precharge COST * MULT.  Callers bound COST and MULT structurally, and live
 * budgets are concrete non-negative values when a session starts. */
static HB_ALWAYS_INLINE bool
hb_budget_spend (int64_t &budget, unsigned int cost, unsigned int mult = 1)
{
  budget -= (int64_t) cost * mult;
  return budget >= 0;
}

/* The flat pixel-work floor for one raster paint session.  Pixel and
 * outline work use separate live counters, so keep this independent of
 * the common outline budget above. */
#ifndef HB_BUDGET_RASTER_PIXELS
#define HB_BUDGET_RASTER_PIXELS ((int64_t) 1 << 26)
#endif

/* Very large raster surfaces still get a few full-surface operations. */
#ifndef HB_BUDGET_RASTER_PAINT_PASSES
#define HB_BUDGET_RASTER_PAINT_PASSES 4
#endif

/* One raster draw session, in accumulated non-horizontal edges. */
#ifndef HB_RASTER_MAX_DRAW_EDGES
#define HB_RASTER_MAX_DRAW_EDGES ((int64_t) 1 << 20)
#endif


#ifndef HB_REPACKER_MAX_ITERATIONS
#define HB_REPACKER_MAX_ITERATIONS 500
#endif

#ifndef HB_REPACKER_MAX_VERTICES
#define HB_REPACKER_MAX_VERTICES 800000
#endif

#ifndef HB_REPACKER_MAX_SPACES
#define HB_REPACKER_MAX_SPACES 8000
#endif


#endif /* HB_LIMITS_HH */

Coverage Report

Created: 2026-09-28 08:21

Line	Count	Source
1		/*
2		* Copyright © 2022 Behdad Esfahbod
3		*
4		* This is part of HarfBuzz, a text shaping library.
5		*
6		* Permission is hereby granted, without written agreement and without
7		* license or royalty fees, to use, copy, modify, and distribute this
8		* software and its documentation for any purpose, provided that the
9		* above copyright notice and the following two paragraphs appear in
10		* all copies of this software.
11		*
12		* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13		* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14		* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15		* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16		* DAMAGE.
17		*
18		* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19		* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20		* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21		* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22		* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23		*/
24
25		#ifndef HB_LIMITS_HH
26		#define HB_LIMITS_HH
27
28		#include "hb.hh"
29
30
31		#ifndef HB_BUFFER_MAX_LEN_FACTOR
32		#define HB_BUFFER_MAX_LEN_FACTOR 256
33		#endif
34		#ifndef HB_BUFFER_MAX_LEN_MIN
35	0	#define HB_BUFFER_MAX_LEN_MIN 65536
36		#endif
37		#ifndef HB_BUFFER_MAX_LEN_DEFAULT
38	0	#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
39		#endif
40
41		#ifndef HB_BUFFER_MAX_OPS_FACTOR
42		#define HB_BUFFER_MAX_OPS_FACTOR 4096
43		#endif
44		#ifndef HB_BUFFER_MAX_OPS_MIN
45	0	#define HB_BUFFER_MAX_OPS_MIN 65536
46		#endif
47		#ifndef HB_BUFFER_MAX_OPS_DEFAULT
48	0	#define HB_BUFFER_MAX_OPS_DEFAULT 0x1FFFFFFF /* Shaping more than a billion operations? Let us know! */
49		#endif
50
51
52		#ifndef HB_MAX_NESTING_LEVEL
53	0	#define HB_MAX_NESTING_LEVEL 64
54		#endif
55
56
57		#ifndef HB_MAX_CONTEXT_LENGTH
58	0	#define HB_MAX_CONTEXT_LENGTH 64
59		#endif
60
61		#ifndef HB_MAX_SYLLABLE_LENGTH
62	0	#define HB_MAX_SYLLABLE_LENGTH 64
63		#endif
64
65		#ifndef HB_CLOSURE_MAX_STAGES
66		/*
67		* The maximum number of times a lookup can be applied during shaping.
68		* Used to limit the number of iterations of the closure algorithm.
69		* This must be larger than the number of times add_gsub_pause() is
70		* called in a collect_features call of any shaper.
71		*/
72	0	#define HB_CLOSURE_MAX_STAGES 12
73		#endif
74
75		#ifndef HB_MAX_SCRIPTS
76	0	#define HB_MAX_SCRIPTS 500
77		#endif
78
79		#ifndef HB_MAX_LANGSYS
80	0	#define HB_MAX_LANGSYS 2000
81		#endif
82
83		#ifndef HB_MAX_LANGSYS_FEATURE_COUNT
84	0	#define HB_MAX_LANGSYS_FEATURE_COUNT 50000
85		#endif
86
87		#ifndef HB_MAX_FEATURE_INDICES
88	0	#define HB_MAX_FEATURE_INDICES 8000
89		#endif
90
91		#ifndef HB_MAX_LOOKUP_VISIT_COUNT
92	0	#define HB_MAX_LOOKUP_VISIT_COUNT 35000
93		#endif
94
95		#ifndef HB_MAX_GRAPH_EDGE_COUNT
96	0	#define HB_MAX_GRAPH_EDGE_COUNT 16384
97		#endif
98
99		#ifndef HB_VAR_COMPOSITE_MAX_AXES
100	0	#define HB_VAR_COMPOSITE_MAX_AXES 4096
101		#endif
102
103		#ifndef HB_GLYF_MAX_POINTS
104	0	#define HB_GLYF_MAX_POINTS 200000
105		#endif
106
107		#ifndef HB_CFF_MAX_OPS
108	0	#define HB_CFF_MAX_OPS 200000
109		#endif
110
111		#ifndef HB_MAX_COMPOSITE_OPERATIONS_PER_GLYPH
112	0	#define HB_MAX_COMPOSITE_OPERATIONS_PER_GLYPH 64
113		#endif
114
115		#ifndef HB_SVG_MAX_PATH_SEGMENTS
116		#define HB_SVG_MAX_PATH_SEGMENTS 262144
117		#endif
118
119		#ifndef HB_GPU_DRAW_MAX_CURVES
120		#define HB_GPU_DRAW_MAX_CURVES 65536
121		#endif
122
123		/* Tiles emitted by one hb_paint_sweep_gradient_tiles() call. Also
124		* sets the angular resolution (2π over this) below which a repeating
125		* color line is filled with its average color instead of tiled;
126		* a repeat/reflect color line whose stops span a tiny angle could
127		* otherwise emit millions of patches while covering 0..2π. */
128		#ifndef HB_PAINT_MAX_SWEEP_TILES
129	0	#define HB_PAINT_MAX_SWEEP_TILES 4096
130		#endif
131
132		#ifndef HB_SVG_MAX_DOCUMENT_SIZE
133		#define HB_SVG_MAX_DOCUMENT_SIZE ((size_t) 16 << 20)
134		#endif
135
136		/* Maximum size of one serialized vector document (SVG or PDF) produced by
137		* the vector backends. Bounds output that is not outline-derived -- most
138		* of a path, but especially sweep-gradient meshes and embedded bitmaps --
139		* which the outline work budget cannot see. vector is one glyph per
140		* context, so a flat cap suffices. Unsigned (not size_t like the SVG-table
141		* limit above) to match hb_vector_buf_t's unsigned length arithmetic. */
142		#ifndef HB_VECTOR_MAX_DOCUMENT_SIZE
143		#define HB_VECTOR_MAX_DOCUMENT_SIZE ((unsigned) 16 << 20)
144		#endif
145
146		#ifndef HB_RASTER_MAX_BUFFER_SIZE
147		#define HB_RASTER_MAX_BUFFER_SIZE ((size_t) 1 << 30)
148		#endif
149
150		/* Maximum surface dimension (pixels per side) when extents are derived
151		* from font data (glyph extents or accumulated outline bounds). Bounds
152		* attacker-controlled allocations; extents set explicitly through
153		* hb_raster_{draw,paint}_set_extents() are not limited. */
154		#ifndef HB_RASTER_MAX_AUTO_DIMENSION
155		#define HB_RASTER_MAX_AUTO_DIMENSION 4096
156		#endif
157
158		/*
159		* Cumulative work budgets.
160		*
161		* The limits above bound work within one subsystem: points per glyf
162		* glyph, ops per CFF charstring, nodes in a COLR or VARC graph,
163		* pixels per raster surface. When one subsystem drives another --
164		* COLR driving a paint backend, a paint backend or VARC loading
165		* glyf/CFF outlines -- those limits multiply. Each driving session
166		* therefore carries one cumulative budget, initialized once per
167		* top-level entry and only ever decremented, shared by everything
168		* the session consumes. Once a budget is exhausted, further work
169		* is skipped best-effort.
170		*/
171
172		/* Fixed relative weights. Keep the value in the name so charge sites are
173		* easy to audit; tune the common session cap, not these values. */
174	0	#define HB_BUDGET_1 1u
175		#define HB_BUDGET_2 2u
176		#define HB_BUDGET_4 4u
177		#define HB_BUDGET_8 8u
178		#define HB_BUDGET_16 16u
179		#define HB_BUDGET_32 32u
180		#define HB_BUDGET_64 64u
181		#define HB_BUDGET_128 128u
182		#define HB_BUDGET_256 256u
183		#define HB_BUDGET_512 512u
184		#define HB_BUDGET_1024 1024u
185
186		/* The common finite default for one top-level glyph rendering session.
187		* Nested outline and paint work shares the same live counter. */
188		#ifndef HB_BUDGET_GLYPH
189	0	#define HB_BUDGET_GLYPH ((int64_t) 1 << 24)
190		#endif
191
192		/* Precharge COST * MULT. Callers bound COST and MULT structurally, and live
193		* budgets are concrete non-negative values when a session starts. */
194		static HB_ALWAYS_INLINE bool
195		hb_budget_spend (int64_t &budget, unsigned int cost, unsigned int mult = 1)
196	0	{
197	0	budget -= (int64_t) cost * mult;
198	0	return budget >= 0;
199	0	} Unexecuted instantiation: hb-subset-input.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-number.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-static.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-plan.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-plan-layout.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-plan-var.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-table-layout.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-table-var.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-table-cff.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-table-color.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-table-other.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: gsubgpos-context.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: VARC.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-cff1-table.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-cff2-table.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-cff1.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-cff2.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-instancer-iup.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-instancer-solver.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-subset-cff-common.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-blob.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-common.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-draw.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-face.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-face-builder.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-fallback-shape.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-font.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-map.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-face.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-font.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-outline.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-layout.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-metrics.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shape.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-tag.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-var.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-set.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-shape-plan.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-shaper.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-unicode.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ft.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-aat-layout.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-aat-map.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-buffer.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-paint.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-paint-bounded.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-paint-extents.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-map.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-arabic.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-default.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-hangul.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-hebrew.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-indic.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-khmer.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-myanmar.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-syllabic.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-thai.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-use.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-vowel-constraints.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shape-fallback.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shape-normalize.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ucd.cc:hb_budget_spend(long&, unsigned int, unsigned int) Unexecuted instantiation: hb-ot-shaper-indic-table.cc:hb_budget_spend(long&, unsigned int, unsigned int)
200
201		/* The flat pixel-work floor for one raster paint session. Pixel and
202		* outline work use separate live counters, so keep this independent of
203		* the common outline budget above. */
204		#ifndef HB_BUDGET_RASTER_PIXELS
205		#define HB_BUDGET_RASTER_PIXELS ((int64_t) 1 << 26)
206		#endif
207
208		/* Very large raster surfaces still get a few full-surface operations. */
209		#ifndef HB_BUDGET_RASTER_PAINT_PASSES
210		#define HB_BUDGET_RASTER_PAINT_PASSES 4
211		#endif
212
213		/* One raster draw session, in accumulated non-horizontal edges. */
214		#ifndef HB_RASTER_MAX_DRAW_EDGES
215		#define HB_RASTER_MAX_DRAW_EDGES ((int64_t) 1 << 20)
216		#endif
217
218
219		#ifndef HB_REPACKER_MAX_ITERATIONS
220	0	#define HB_REPACKER_MAX_ITERATIONS 500
221		#endif
222
223		#ifndef HB_REPACKER_MAX_VERTICES
224		#define HB_REPACKER_MAX_VERTICES 800000
225		#endif
226
227		#ifndef HB_REPACKER_MAX_SPACES
228		#define HB_REPACKER_MAX_SPACES 8000
229		#endif
230
231
232		#endif /* HB_LIMITS_HH */