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Merge branch 'master' into cff-subset

This commit is contained in:
Michiharu Ariza 2018-10-15 14:03:23 -07:00
parent 6420ffe00f 0f85edb778
commit 9ade3e7bb8
12 changed files with 140 additions and 59 deletions
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21
src/dump-emoji.cc
View File

@ -211,10 +211,29 @@ static void dump_glyphs (cairo_font_face_t *cairo_face, unsigned int upem,
int main (int argc, char **argv)
{
if (argc != 2) {
fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
fprintf (stderr, "usage: %s font-file.ttf\n"
"run it like `rm -rf out && mkdir out && %s font-file.ttf`\n",
argv[0], argv[0]);
exit (1);
}
FILE *font_name_file = fopen ("out/_font_name_file.txt", "r");
if (font_name_file != nullptr)
{
fprintf (stderr, "Purge or move ./out folder in order to run a new dump\n");
exit (1);
}
font_name_file = fopen ("out/_font_name_file.txt", "w");
if (font_name_file == nullptr)
{
fprintf (stderr, "./out is not accessible, create it please\n");
exit (1);
}
fwrite (argv[1], 1, strlen (argv[1]), font_name_file);
fclose (font_name_file);
hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
hb_face_t *face = hb_face_create (blob, 0);
hb_font_t *font = hb_font_create (face);

8
src/hb-aat-layout-common.hh
View File

@ -224,7 +224,8 @@ struct LookupFormat8
private:
inline const T* get_value (hb_codepoint_t glyph_id) const
{
return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ? &valueArrayZ[glyph_id - firstGlyph] : nullptr;
return firstGlyph <= glyph_id && glyph_id - firstGlyph < glyphCount ?
&valueArrayZ[glyph_id - firstGlyph] : nullptr;
}
inline bool sanitize (hb_sanitize_context_t *c) const
@ -234,7 +235,7 @@ struct LookupFormat8
}
protected:
HBUINT16 format; /* Format identifier--format = 6 */
HBUINT16 format; /* Format identifier--format = 8 */
GlyphID firstGlyph; /* First glyph index included in the trimmed array. */
HBUINT16 glyphCount; /* Total number of glyphs (equivalent to the last
* glyph minus the value of firstGlyph plus 1). */
@ -506,8 +507,9 @@ struct StateTableDriver
if (!c->in_place)
{
for (; buffer->idx < buffer->len;)
for (; buffer->successful && buffer->idx < buffer->len;)
buffer->next_glyph ();
if (likely (buffer->successful))
buffer->swap_buffers ();
}
}

14
src/hb-aat-layout-kerx-table.hh
View File

@ -172,7 +172,7 @@ struct KerxSubTableFormat1
* list. Discovered by testing. */
unsigned int idx = stack[i];
int v = *actions++;
if (buffer->info[idx].mask & kern_mask)
if (idx < buffer->len && buffer->info[idx].mask & kern_mask)
{
/* XXX Non-forward direction... */
if (HB_DIRECTION_IS_HORIZONTAL (buffer->props.direction))
@ -212,7 +212,9 @@ struct KerxSubTableFormat1
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
return_trace (likely (machine.sanitize (c)));
/* The rest of array sanitizations are done at run-time. */
return_trace (likely (c->check_struct (this) &&
machine.sanitize (c)));
}
protected:
@ -338,7 +340,7 @@ struct KerxSubTableFormat4
hb_buffer_t *buffer = driver->buffer;
unsigned int flags = entry->flags;
if (mark_set && entry->data.ankrActionIndex != 0xFFFF)
if (mark_set && entry->data.ankrActionIndex != 0xFFFF && buffer->idx < buffer->len)
{
hb_glyph_position_t &o = buffer->cur_pos();
switch (action_type)
@ -444,11 +446,9 @@ struct KerxSubTableFormat4
inline bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
/* The rest of array sanitizations are done at run-time. */
return_trace (c->check_struct (this) &&
machine.sanitize (c) &&
flags.sanitize (c));
return_trace (likely (c->check_struct (this) &&
machine.sanitize (c)));
}
protected:

17
src/hb-aat-layout-morx-table.hh
View File

@ -391,6 +391,12 @@ struct LigatureSubtable
unsigned int action_idx = entry->data.ligActionIndex;
unsigned int action;
unsigned int ligature_idx = 0;
if (unlikely (!match_length))
return false;
buffer->merge_out_clusters (match_positions[0], buffer->out_len);
do
{
if (unlikely (!match_length))
@ -406,6 +412,8 @@ struct LigatureSubtable
if (uoffset & 0x20000000)
uoffset += 0xC0000000;
int32_t offset = (int32_t) uoffset;
if (buffer->idx >= buffer->len)
return false; // TODO Work on previous instead?
unsigned int component_idx = buffer->cur().codepoint + offset;
const HBUINT16 &componentData = component[component_idx];
@ -428,7 +436,6 @@ struct LigatureSubtable
buffer->skip_glyph ();
end--;
}
/* TODO merge_clusters / unsafe_to_break */
action_idx++;
}
@ -620,12 +627,12 @@ struct InsertionSubtable
unsigned int end = buffer->out_len;
buffer->move_to (mark);
if (!before)
if (buffer->idx < buffer->len && !before)
buffer->copy_glyph ();
/* TODO We ignore KashidaLike setting. */
for (unsigned int i = 0; i < count; i++)
buffer->output_glyph (glyphs[i]);
if (!before)
if (buffer->idx < buffer->len && !before)
buffer->skip_glyph ();
buffer->move_to (end + count);
@ -644,12 +651,12 @@ struct InsertionSubtable
unsigned int end = buffer->out_len;
if (!before)
if (buffer->idx < buffer->len && !before)
buffer->copy_glyph ();
/* TODO We ignore KashidaLike setting. */
for (unsigned int i = 0; i < count; i++)
buffer->output_glyph (glyphs[i]);
if (!before)
if (buffer->idx < buffer->len && !before)
buffer->skip_glyph ();
/* Humm. Not sure where to move to. There's this wording under

3
src/hb-blob.cc
View File

@ -507,8 +507,9 @@ struct hb_mapped_file_t
#if (defined(HAVE_MMAP) || defined(_WIN32) || defined(__CYGWIN__)) && !defined(HB_NO_MMAP)
static void
_hb_mapped_file_destroy (hb_mapped_file_t *file)
_hb_mapped_file_destroy (void *file_)
{
hb_mapped_file_t *file = (hb_mapped_file_t *) file_;
#ifdef HAVE_MMAP
munmap (file->contents, file->length);
#elif defined(_WIN32) || defined(__CYGWIN__)

5
src/hb-buffer.hh
View File

@ -229,7 +229,10 @@ struct hb_buffer_t
{
if (unlikely (!make_room_for (0, 1))) return Crap(hb_glyph_info_t);
out_info[out_len] = info[idx];
if (unlikely (idx == len && !out_len))
return Crap(hb_glyph_info_t);
out_info[out_len] = idx < len ? info[idx] : out_info[out_len - 1];
out_info[out_len].codepoint = glyph_index;
out_len++;

37
src/hb-ot-color-cbdt-table.hh
View File

@ -128,7 +128,7 @@ struct IndexSubtableFormat1Or3
{
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
c->check_array (offsetArrayZ.arrayZ, glyph_count + 1));
offsetArrayZ.sanitize (c, glyph_count + 1));
}
bool get_image_data (unsigned int idx,
@ -206,7 +206,7 @@ struct IndexSubtableRecord
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
firstGlyphIndex <= lastGlyphIndex &&
offsetToSubtable.sanitize (c, this, lastGlyphIndex - firstGlyphIndex + 1));
offsetToSubtable.sanitize (c, base, lastGlyphIndex - firstGlyphIndex + 1));
}
inline bool get_extents (hb_glyph_extents_t *extents) const
@ -215,15 +215,13 @@ struct IndexSubtableRecord
}
bool get_image_data (unsigned int gid,
const void *base,
unsigned int *offset,
unsigned int *length,
unsigned int *format) const
{
if (gid < firstGlyphIndex || gid > lastGlyphIndex)
{
return false;
}
return (this+offsetToSubtable).get_image_data (gid - firstGlyphIndex,
if (gid < firstGlyphIndex || gid > lastGlyphIndex) return false;
return (base+offsetToSubtable).get_image_data (gid - firstGlyphIndex,
offset, length, format);
}
@ -241,12 +239,7 @@ struct IndexSubtableArray
inline bool sanitize (hb_sanitize_context_t *c, unsigned int count) const
{
TRACE_SANITIZE (this);
if (unlikely (!c->check_array (indexSubtablesZ.arrayZ, count)))
return_trace (false);
for (unsigned int i = 0; i < count; i++)
if (unlikely (!indexSubtablesZ[i].sanitize (c, this)))
return_trace (false);
return_trace (true);
return_trace (indexSubtablesZ.sanitize (c, count, this));
}
public:
@ -276,13 +269,15 @@ struct BitmapSizeTable
TRACE_SANITIZE (this);
return_trace (c->check_struct (this) &&
indexSubtableArrayOffset.sanitize (c, base, numberOfIndexSubtables) &&
c->check_range (&(base+indexSubtableArrayOffset), indexTablesSize) &&
horizontal.sanitize (c) &&
vertical.sanitize (c));
}
const IndexSubtableRecord *find_table (hb_codepoint_t glyph, const void *base) const
const IndexSubtableRecord *find_table (hb_codepoint_t glyph,
const void *base,
const void **out_base) const
{
*out_base = &(base+indexSubtableArrayOffset);
return (base+indexSubtableArrayOffset).find_table (glyph, numberOfIndexSubtables);
}
@ -348,7 +343,8 @@ struct CBLC
protected:
const IndexSubtableRecord *find_table (hb_codepoint_t glyph,
unsigned int *x_ppem, unsigned int *y_ppem) const
unsigned int *x_ppem, unsigned int *y_ppem,
const void **base) const
{
/* TODO: Make it possible to select strike. */
@ -361,7 +357,7 @@ struct CBLC
{
*x_ppem = sizeTables[i].ppemX;
*y_ppem = sizeTables[i].ppemY;
return sizeTables[i].find_table (glyph, this);
return sizeTables[i].find_table (glyph, this, base);
}
}
@ -419,7 +415,8 @@ struct CBDT
if (!cblc)
return false; // Not a color bitmap font.
const IndexSubtableRecord *subtable_record = this->cblc->find_table(glyph, &x_ppem, &y_ppem);
const void *base;
const IndexSubtableRecord *subtable_record = this->cblc->find_table (glyph, &x_ppem, &y_ppem, &base);
if (!subtable_record || !x_ppem || !y_ppem)
return false;
@ -427,7 +424,7 @@ struct CBDT
return true;
unsigned int image_offset = 0, image_length = 0, image_format = 0;
if (!subtable_record->get_image_data (glyph, &image_offset, &image_length, &image_format))
if (!subtable_record->get_image_data (glyph, base, &image_offset, &image_length, &image_format))
return false;
{
@ -478,7 +475,7 @@ struct CBDT
{
unsigned int image_offset = 0, image_length = 0, image_format = 0;
if (!subtable_record.get_image_data (gid,
if (!subtable_record.get_image_data (gid, &subtable_array,
&image_offset, &image_length, &image_format))
continue;

31
src/hb-ot-font.cc
View File

@ -128,6 +128,35 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data,
}
}
static hb_bool_t
hb_ot_get_glyph_v_origin (hb_font_t *font,
void *font_data,
hb_codepoint_t glyph,
hb_position_t *x,
hb_position_t *y,
void *user_data HB_UNUSED)
{
const hb_ot_face_data_t *ot_face = (const hb_ot_face_data_t *) font_data;
*x = font->get_glyph_h_advance (glyph) / 2;
hb_glyph_extents_t extents = {0};
bool ret = ot_face->glyf->get_extents (glyph, &extents);
if (ret)
{
const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx.get ();
hb_position_t tsb = vmtx.get_side_bearing (glyph);
*y = font->em_scale_y (extents.y_bearing + tsb);
return true;
}
hb_font_extents_t font_extents;
font->get_h_extents_with_fallback (&font_extents);
*y = font_extents.ascender;
return true;
}
static hb_bool_t
hb_ot_get_glyph_extents (hb_font_t *font,
void *font_data,
@ -223,7 +252,7 @@ static struct hb_ot_font_funcs_lazy_loader_t : hb_font_funcs_lazy_loader_t<hb_ot
hb_font_funcs_set_glyph_h_advances_func (funcs, hb_ot_get_glyph_h_advances, nullptr, nullptr);
hb_font_funcs_set_glyph_v_advances_func (funcs, hb_ot_get_glyph_v_advances, nullptr, nullptr);
//hb_font_funcs_set_glyph_h_origin_func (funcs, hb_ot_get_glyph_h_origin, nullptr, nullptr);
//hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
hb_font_funcs_set_glyph_v_origin_func (funcs, hb_ot_get_glyph_v_origin, nullptr, nullptr);
hb_font_funcs_set_glyph_extents_func (funcs, hb_ot_get_glyph_extents, nullptr, nullptr);
//hb_font_funcs_set_glyph_contour_point_func (funcs, hb_ot_get_glyph_contour_point, nullptr, nullptr);
hb_font_funcs_set_glyph_name_func (funcs, hb_ot_get_glyph_name, nullptr, nullptr);

27
src/hb-ot-hmtx-table.hh
View File

@ -48,7 +48,7 @@ namespace OT {
struct LongMetric
{
UFWORD advance; /* Advance width/height. */
FWORD lsb; /* Leading (left/top) side bearing. */
FWORD sb; /* Leading (left/top) side bearing. */
public:
DEFINE_SIZE_STATIC (4);
};
@ -134,8 +134,8 @@ struct hmtxvmtx
}
else
{
/* dest just lsb */
*((FWORD *) dest_pos) = src_metric->lsb;
/* dest just sb */
*((FWORD *) dest_pos) = src_metric->sb;
}
}
else
@ -147,18 +147,18 @@ struct hmtxvmtx
failed = true;
break;
}
FWORD src_lsb = *(lsbs + gids[i] - _mtx.num_advances);
FWORD src_sb = *(lsbs + gids[i] - _mtx.num_advances);
if (i < num_advances)
{
/* dest needs a full LongMetric */
LongMetric *metric = (LongMetric *)dest_pos;
metric->advance = src_metric->advance;
metric->lsb = src_lsb;
metric->sb = src_sb;
}
else
{
/* dest just needs an lsb */
*((FWORD *) dest_pos) = src_lsb;
/* dest just needs an sb */
*((FWORD *) dest_pos) = src_sb;
}
}
dest_pos += (i < num_advances ? 4 : 2);
@ -249,6 +249,19 @@ struct hmtxvmtx
hb_blob_destroy (var_blob);
}
/* TODO Add variations version. */
inline unsigned int get_side_bearing (hb_codepoint_t glyph) const
{
if (glyph < num_advances)
return table->longMetricZ[glyph].sb;
if (unlikely (glyph > num_metrics))
return 0;
const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_advances];
return bearings[glyph - num_advances];
}
inline unsigned int get_advance (hb_codepoint_t glyph) const
{
if (unlikely (glyph >= num_metrics))

1
src/hb-ot-kern-table.hh
View File

@ -37,6 +37,7 @@ struct hb_kern_machine_t
{
hb_kern_machine_t (const Driver &driver_) : driver (driver_) {}
HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
inline void kern (hb_font_t *font,
hb_buffer_t *buffer,
hb_mask_t kern_mask) const

9
src/hb.hh
View File

@ -237,6 +237,15 @@ struct _hb_alignof
# define HB_FALLTHROUGH /* FALLTHROUGH */
#endif
#if defined(__clang__)
/* Disable certain sanitizer errors. */
/* https://github.com/harfbuzz/harfbuzz/issues/1247 */
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW __attribute__((no_sanitize("signed-integer-overflow")))
#else
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
#endif
#if defined(_WIN32) || defined(__CYGWIN__)
/* We need Windows Vista for both Uniscribe backend and for
* MemoryBarrier. We don't support compiling on Windows XP,

2
test/shaping/data/in-house/tests/vertical.tests
View File

@ -1,3 +1,3 @@
../fonts/191826b9643e3f124d865d617ae609db6a2ce203.ttf:--direction=t --font-funcs=ft:U+300C:[uni300C.vert=0@-512,-578+0,-1024]
../fonts/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ft:U+0041,U+0042:[gid1=0@-654,-2128+0,-2789|gid2=1@-665,-2125+0,-2789]
../fonts/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ot:U+0041,U+0042:[gid1=0@-654,-2189+0,-2048|gid2=1@-665,-2189+0,-2048]
../fonts/f9b1dd4dcb515e757789a22cb4241107746fd3d0.ttf:--direction=t --font-funcs=ot:U+0041,U+0042:[gid1=0@-654,-1468+0,-2048|gid2=1@-665,-1462+0,-2048]