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Merge branch 'var-subset' of https://github.com/harfbuzz/harfbuzz into var-subset

This commit is contained in:
Michiharu Ariza 2019-03-01 18:12:35 -08:00
parent 21aaf30058 f448195a4b
commit 3f3da71863
8 changed files with 120 additions and 26 deletions
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12
CMakeLists.txt
View File

@ -842,18 +842,6 @@ if (NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
endif ()
endif ()
if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-color")
endif ()
endif ()
if (HB_BUILD_TESTS)
## src/ executables
foreach (prog main test test-would-substitute test-size-params test-buffer-serialize hb-ot-tag test-unicode-ranges)

18
src/hb-common.cc
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@ -731,7 +731,7 @@ parse_uint (const char **pp, const char *end, unsigned int *pv)
/* Intentionally use strtol instead of strtoul, such that
* -1 turns into "big number"... */
errno = 0;
v = strtol (p, &pend, 0);
v = strtol (p, &pend, 10);
if (errno || p == pend)
return false;
@ -755,7 +755,7 @@ parse_uint32 (const char **pp, const char *end, uint32_t *pv)
/* Intentionally use strtol instead of strtoul, such that
* -1 turns into "big number"... */
errno = 0;
v = strtol (p, &pend, 0);
v = strtol (p, &pend, 10);
if (errno || p == pend)
return false;
@ -857,9 +857,14 @@ parse_bool (const char **pp, const char *end, uint32_t *pv)
(*pp)++;
/* CSS allows on/off as aliases 1/0. */
if (*pp - p == 2 && 0 == strncmp (p, "on", 2))
if (*pp - p == 2
&& TOLOWER (p[0]) == 'o'
&& TOLOWER (p[1]) == 'n')
*pv = 1;
else if (*pp - p == 3 && 0 == strncmp (p, "off", 3))
else if (*pp - p == 3
&& TOLOWER (p[0]) == 'o'
&& TOLOWER (p[1]) == 'f'
&& TOLOWER (p[2]) == 'f')
*pv = 0;
else
return false;
@ -975,8 +980,9 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
* Parses a string into a #hb_feature_t.
*
* The format for specifying feature strings follows. All valid CSS
* font-feature-settings values other than 'normal' and 'inherited' are also
* accepted, though, not documented below.
* font-feature-settings values other than 'normal' and the global values are
* also accepted, though not documented below. CSS string escapes are not
* supported.
*
* The range indices refer to the positions between Unicode characters. The
* position before the first character is always 0.

70
src/hb-directwrite.cc
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@ -1,5 +1,5 @@
/*
* Copyright © 2015-2018 Ebrahim Byagowi
* Copyright © 2015-2019 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
@ -658,10 +658,10 @@ retry_getglyphs:
* alignment needed after the WORD array. sizeof (WORD) == 2. */
unsigned int glyphs_size = (scratch_size * sizeof (int) - 2)
/ (sizeof (WORD) +
sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES) +
sizeof (int) +
sizeof (DWRITE_GLYPH_OFFSET) +
sizeof (uint32_t));
sizeof (DWRITE_SHAPING_GLYPH_PROPERTIES) +
sizeof (int) +
sizeof (DWRITE_GLYPH_OFFSET) +
sizeof (uint32_t));
ALLOCATE_ARRAY (uint32_t, vis_clusters, glyphs_size);
#undef ALLOCATE_ARRAY
@ -868,3 +868,63 @@ hb_directwrite_shape_experimental_width (hb_font_t *font,
return res;
}
struct _hb_directwrite_font_table_context {
IDWriteFontFace *face;
void *table_context;
};
static void
_hb_directwrite_table_data_release (void *data)
{
_hb_directwrite_font_table_context *context = (_hb_directwrite_font_table_context *) data;
context->face->ReleaseFontTable (context->table_context);
delete context;
}
static hb_blob_t *
reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data)
{
IDWriteFontFace *dw_face = ((IDWriteFontFace *) user_data);
const void *data;
uint32_t length;
void *table_context;
BOOL exists;
if (!dw_face || FAILED (dw_face->TryGetFontTable (hb_uint32_swap (tag), &data,
&length, &table_context, &exists)))
return nullptr;
if (!data || !exists || !length)
{
dw_face->ReleaseFontTable (table_context);
return nullptr;
}
_hb_directwrite_font_table_context *context = new _hb_directwrite_font_table_context;
context->face = dw_face;
context->table_context = table_context;
return hb_blob_create ((const char *) data, length, HB_MEMORY_MODE_READONLY,
context, _hb_directwrite_table_data_release);
}
static void
_hb_directwrite_font_release (void *data)
{
if (data)
((IDWriteFontFace *) data)->Release ();
}
/**
* hb_directwrite_face_create:
* @font_face:
* Since: REPLACEME
**/
hb_face_t *
hb_directwrite_face_create (IDWriteFontFace *font_face)
{
if (font_face)
font_face->AddRef ();
return hb_face_create_for_tables (reference_table, font_face,
_hb_directwrite_font_release);
}

5
src/hb-directwrite.h
View File

@ -1,5 +1,5 @@
/*
* Copyright © 2015 Ebrahim Byagowi
* Copyright © 2015-2019 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
@ -34,6 +34,9 @@ hb_directwrite_shape_experimental_width (hb_font_t *font, hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features, float width);
HB_EXTERN hb_face_t *
hb_directwrite_face_create (IDWriteFontFace *font_face);
HB_END_DECLS
#endif /* HB_DIRECTWRITE_H */

3
src/hb-subset-plan.cc
View File

@ -96,6 +96,7 @@ _remove_invalid_gids (hb_set_t *glyphs,
static hb_set_t *
_populate_gids_to_retain (hb_face_t *face,
const hb_set_t *unicodes,
const hb_set_t *input_glyphs_to_retain,
bool close_over_gsub,
hb_set_t *unicodes_to_retain,
hb_map_t *codepoint_to_glyph,
@ -110,6 +111,7 @@ _populate_gids_to_retain (hb_face_t *face,
hb_set_t *initial_gids_to_retain = hb_set_create ();
initial_gids_to_retain->add (0); // Not-def
hb_set_union (initial_gids_to_retain, input_glyphs_to_retain);
hb_codepoint_t cp = HB_SET_VALUE_INVALID;
while (unicodes->next (&cp))
@ -213,6 +215,7 @@ hb_subset_plan_create (hb_face_t *face,
plan->reverse_glyph_map = hb_map_create();
plan->_glyphset = _populate_gids_to_retain (face,
input->unicodes,
input->glyphs,
!plan->drop_layout,
plan->unicodes,
plan->codepoint_to_glyph,

11
test/api/hb-subset-test.h
View File

@ -48,7 +48,7 @@ typedef short bool;
HB_BEGIN_DECLS
static inline hb_subset_input_t *
hb_subset_test_create_input(const hb_set_t *codepoints)
hb_subset_test_create_input (const hb_set_t *codepoints)
{
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
hb_set_t * input_codepoints = hb_subset_input_unicode_set (input);
@ -56,6 +56,15 @@ hb_subset_test_create_input(const hb_set_t *codepoints)
return input;
}
static inline hb_subset_input_t *
hb_subset_test_create_input_from_glyphs (const hb_set_t *glyphs)
{
hb_subset_input_t *input = hb_subset_input_create_or_fail ();
hb_set_t * input_glyphs = hb_subset_input_glyph_set (input);
hb_set_union (input_glyphs, glyphs);
return input;
}
static inline hb_face_t *
hb_subset_test_create_subset (hb_face_t *source,
hb_subset_input_t *input)

24
test/api/test-subset-glyf.c
View File

@ -79,6 +79,29 @@ test_subset_glyf (void)
hb_face_destroy (face_ac);
}
static void
test_subset_glyf_with_input_glyphs (void)
{
hb_face_t *face_abc = hb_test_open_font_file ("fonts/Roboto-Regular.abc.ttf");
hb_face_t *face_ac = hb_test_open_font_file ("fonts/Roboto-Regular.ac.ttf");
hb_set_t *glyphs = hb_set_create();
hb_face_t *face_abc_subset;
hb_set_add (glyphs, 1);
hb_set_add (glyphs, 3);
face_abc_subset =
hb_subset_test_create_subset (face_abc, hb_subset_test_create_input_from_glyphs (glyphs));
hb_set_destroy (glyphs);
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('g','l','y','f'));
hb_subset_test_check (face_ac, face_abc_subset, HB_TAG ('l','o','c', 'a'));
check_maxp_num_glyphs(face_abc_subset, 3, true);
hb_face_destroy (face_abc_subset);
hb_face_destroy (face_abc);
hb_face_destroy (face_ac);
}
static void
test_subset_glyf_with_components (void)
{
@ -291,6 +314,7 @@ main (int argc, char **argv)
hb_test_add (test_subset_glyf_noop);
hb_test_add (test_subset_glyf);
hb_test_add (test_subset_glyf_with_input_glyphs);
hb_test_add (test_subset_glyf_strip_hints_simple);
hb_test_add (test_subset_glyf_strip_hints_composite);
hb_test_add (test_subset_glyf_strip_hints_invalid);

3
util/options.cc
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@ -432,7 +432,8 @@ shape_options_t::add_options (option_parser_t *parser)
" Features can be enabled or disabled, either globally or limited to\n"
" specific character ranges. The format for specifying feature settings\n"
" follows. All valid CSS font-feature-settings values other than 'normal'\n"
" and 'inherited' are also accepted, though, not documented below.\n"
" and the global values are also accepted, though not documented below.\n"
" CSS string escapes are not supported."
"\n"
" The range indices refer to the positions between Unicode characters,\n"
" unless the --utf8-clusters is provided, in which case range indices\n"