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[draw] Test scaling subfont differently from parent

This commit is contained in:
Khaled Hosny 2022-02-11 04:31:13 +02:00 committed by Behdad Esfahbod
parent 096121badb
commit 0e357c504c
1 changed files with 68 additions and 0 deletions
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68
test/api/test-draw.c
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@ -993,6 +993,73 @@ test_hb_draw_synthetic_slant (void)
}
}
static void
test_hb_draw_subfont_scale (void)
{
char str[2048];
draw_data_t draw_data = {
.str = str,
.size = sizeof (str)
};
signed x, y;
{
hb_face_t *face = hb_test_open_font_file ("fonts/OpenSans-Regular.ttf");
hb_font_t *font1 = hb_font_create (face);
hb_font_t *font2 = hb_font_create_sub_font (font1);
hb_font_get_scale (font1, &x, &y);
hb_font_set_scale (font2, x*2, y*2);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font1, 37, funcs, &draw_data);
char expected1[] = "M201,1462L614,1462Q905,1462 1035,1375Q1165,1288 1165,1100"
"Q1165,970 1093,886Q1020,801 881,776L881,766Q1214,709 1214,416"
"Q1214,220 1082,110Q949,0 711,0L201,0L201,1462ZM371,836L651,836"
"Q831,836 910,893Q989,949 989,1083Q989,1206 901,1261"
"Q813,1315 621,1315L371,1315L371,836ZM371,692L371,145L676,145"
"Q853,145 943,214Q1032,282 1032,428Q1032,564 941,628Q849,692 662,692L371,692Z";
g_assert_cmpmem (str, draw_data.consumed, expected1, sizeof (expected1) - 1);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font2, 37, funcs, &draw_data);
char expected2[] = "M402,2924L1228,2924Q1810,2924 2070,2750Q2330,2576 2330,2200"
"Q2330,1940 2185,1771Q2040,1602 1762,1552L1762,1532Q2428,1418 2428,832"
"Q2428,440 2163,220Q1898,0 1422,0L402,0L402,2924ZM742,1672L1302,1672"
"Q1662,1672 1820,1785Q1978,1898 1978,2166Q1978,2412 1802,2521"
"Q1626,2630 1242,2630L742,2630L742,1672ZM742,1384L742,290L1352,290"
"Q1706,290 1885,427Q2064,564 2064,856Q2064,1128 1881,1256Q1698,1384 1324,1384L742,1384Z";
g_assert_cmpmem (str, draw_data.consumed, expected2, sizeof (expected2) - 1);
hb_font_destroy (font1);
hb_font_destroy (font2);
hb_face_destroy (face);
}
{
hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansPro-Regular.otf");
hb_font_t *font1 = hb_font_create (face);
hb_font_t *font2 = hb_font_create_sub_font (font1);
hb_font_get_scale (font1, &x, &y);
hb_font_set_scale (font2, x*2, y*2);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font1, 5, funcs, &draw_data);
char expected1[] = "M90,0L258,0C456,0 564,122 564,331C564,539 456,656 254,656L90,656L90,0Z"
"M173,68L173,588L248,588C401,588 478,496 478,331C478,165 401,68 248,68L173,68Z";
g_assert_cmpmem (str, draw_data.consumed, expected1, sizeof (expected1) - 1);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font2, 5, funcs, &draw_data);
char expected2[] = "M180,0L516,0C912,0 1128,244 1128,662C1128,1078 912,1312 508,1312L180,1312L180,0Z"
"M346,136L346,1176L496,1176C802,1176 956,992 956,662C956,330 802,136 496,136L346,136Z";
g_assert_cmpmem (str, draw_data.consumed, expected2, sizeof (expected2) - 1);
hb_font_destroy (font1);
hb_font_destroy (font2);
hb_face_destroy (face);
}
}
static void
test_hb_draw_immutable (void)
{
@ -1035,6 +1102,7 @@ main (int argc, char **argv)
if(0) hb_test_add (test_hb_draw_stroking);
hb_test_add (test_hb_draw_drawing_fo_funcs);
hb_test_add (test_hb_draw_synthetic_slant);
hb_test_add (test_hb_draw_subfont_scale);
hb_test_add (test_hb_draw_immutable);
unsigned result = hb_test_run ();