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[draw] Add test for applying synthetic slant

This commit is contained in:
Khaled Hosny 2022-02-09 22:44:38 +02:00 committed by Behdad Esfahbod
parent 052fd2d8b9
commit aca80a4a40
1 changed files with 44 additions and 1 deletions
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45
test/api/test-draw.c
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@ -951,6 +951,48 @@ test_hb_draw_drawing_fo_funcs (void)
} }
} }
static void
test_hb_draw_synthetic_slant (void)
{
char str[2048];
draw_data_t draw_data = {
.str = str,
.size = sizeof (str)
};
{
hb_face_t *face = hb_test_open_font_file ("fonts/OpenSans-Regular.ttf");
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
hb_font_set_synthetic_slant (font, 0.2f);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font, 37, funcs, &draw_data);
char expected[] = "M493,1462L906,1462Q1197,1462 1310,1375Q1423,1288 1385,1100"
"Q1359,970 1270,886Q1180,801 1036,776L1034,766Q1356,709 1297,416"
"Q1258,220 1104,110Q949,0 711,0L201,0L493,1462ZM538,836L818,836"
"Q998,836 1089,893Q1179,949 1206,1083Q1230,1206 1153,1261"
"Q1076,1315 884,1315L634,1315L538,836ZM509,692L400,145L705,145"
"Q882,145 985,214Q1088,282 1118,428Q1145,564 1066,628Q987,692 800,692L509,692Z";
g_assert_cmpmem (str, draw_data.consumed, expected, sizeof (expected) - 1);
hb_font_destroy (font);
}
{
hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansPro-Regular.otf");
hb_font_t *font = hb_font_create (face);
hb_face_destroy (face);
hb_font_set_synthetic_slant (font, 0.2f);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font, 5, funcs, &draw_data);
char expected[] = "M90,0L258,0C456,0 588,122 630,331C672,539 587,656 385,656L221,656L90,0Z"
"M187,68L291,588L366,588C519,588 577,496 544,331C511,165 415,68 262,68L187,68Z";
g_assert_cmpmem (str, draw_data.consumed, expected, sizeof (expected) - 1);
hb_font_destroy (font);
}
}
static void static void
test_hb_draw_immutable (void) test_hb_draw_immutable (void)
{ {
@ -991,8 +1033,9 @@ main (int argc, char **argv)
hb_test_add (test_hb_draw_font_kit_variations_tests); hb_test_add (test_hb_draw_font_kit_variations_tests);
hb_test_add (test_hb_draw_estedad_vf); hb_test_add (test_hb_draw_estedad_vf);
if(0) hb_test_add (test_hb_draw_stroking); if(0) hb_test_add (test_hb_draw_stroking);
hb_test_add (test_hb_draw_immutable);
hb_test_add (test_hb_draw_drawing_fo_funcs); hb_test_add (test_hb_draw_drawing_fo_funcs);
hb_test_add (test_hb_draw_synthetic_slant);
hb_test_add (test_hb_draw_immutable);
unsigned result = hb_test_run (); unsigned result = hb_test_run ();
hb_draw_funcs_destroy (funcs); hb_draw_funcs_destroy (funcs);