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add api test for tt var advance widths 

stripped HVAR from SourceSansVariable-Roman.abc.ttf so glyf gets parsed
This commit is contained in:
Michiharu Ariza 2019-03-18 15:39:10 -07:00
parent 9d9d5c706b
commit 9d3a252030
3 changed files with 37 additions and 1 deletions
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1
src/hb-ot-hmtx-table.hh
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@ -221,7 +221,6 @@ struct hmtxvmtx
var_table.destroy ();
}
/* TODO Add variations version. */
int get_side_bearing (hb_codepoint_t glyph) const
{
if (glyph < num_advances)

BIN
test/api/fonts/SourceSansVariable-Roman.abc.ttf
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37
test/api/test-ot-metrics-tt-var.c
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@ -61,12 +61,49 @@ test_extents_tt_var (void)
hb_font_destroy (font);
}
static void
test_advance_tt_var (void)
{
hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansVariable-Roman.abc.ttf");
g_assert (face);
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
g_assert (font);
hb_ot_font_set_funcs (font);
hb_position_t x, y;
hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_LTR, &x, &y);
g_assert_cmpint (x, ==, 486);
g_assert_cmpint (y, ==, 0);
hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_TTB, &x, &y);
g_assert_cmpint (x, ==, 0);
g_assert_cmpint (y, ==, -1000);
float coords[1] = { 500.0f };
hb_font_set_var_coords_design (font, coords, 1);
hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_LTR, &x, &y);
g_assert_cmpint (x, ==, 510);
g_assert_cmpint (y, ==, 0);
hb_font_get_glyph_advance_for_direction(font, 1, HB_DIRECTION_TTB, &x, &y);
g_assert_cmpint (x, ==, 0);
g_assert_cmpint (y, ==, -1000);
hb_font_destroy (font);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
hb_test_add (test_extents_tt_var);
hb_test_add (test_advance_tt_var);
return hb_test_run ();
}