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[draw/test] Add test for freetype callback 

Let's have that part of the code also covered.
This commit is contained in:
Ebrahim Byagowi 2022-02-14 00:16:35 +03:30
parent d4588204e5
commit 0429921c10
1 changed files with 59 additions and 0 deletions
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59
test/api/test-draw.c
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@ -26,6 +26,9 @@
#include <math.h>
#include <hb.h>
#ifdef HAVE_FREETYPE
#include <hb-ft.h>
#endif
typedef struct draw_data_t
{
@ -1071,6 +1074,59 @@ test_hb_draw_immutable (void)
hb_draw_funcs_destroy (draw_funcs);
}
#ifdef HAVE_FREETYPE
static void test_hb_draw_ft (void)
{
char str[1024];
draw_data_t draw_data = {
.str = str,
.size = sizeof (str)
};
{
hb_face_t *face = hb_test_open_font_file ("fonts/glyphs.ttf");
hb_font_t *font = hb_font_create (face);
hb_ft_font_set_funcs (font);
hb_face_destroy (face);
{
draw_data.consumed = 0;
hb_font_get_glyph_shape (font, 0, funcs, &draw_data);
char expected[] = "M50,0L50,750L450,750L450,0L50,0Z";
g_assert_cmpmem (str, draw_data.consumed, expected, sizeof (expected) - 1);
}
{
draw_data.consumed = 0;
hb_font_get_glyph_shape (font, 6, funcs, &draw_data);
printf ("%.*s", draw_data.consumed, str);
char expected[] = "M346,468L211,468L211,0L123,0L123,468L29,468L29,509L123,539"
"L123,570Q123,674 169,719Q215,765 297,765Q329,765 355,759"
"Q382,754 401,747L378,678Q362,683 341,688Q320,693 298,693"
"Q254,693 232,663Q211,634 211,571L211,536L346,536L346,468Z"
"M15,0Q15,0 15,0Z";
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/cff1_flex.otf");
hb_font_t *font = hb_font_create (face);
hb_ft_font_set_funcs (font);
hb_face_destroy (face);
draw_data.consumed = 0;
hb_font_get_glyph_shape (font, 1, funcs, &draw_data);
char expected[] = "M0,0C100,0 150,-20 250,-20C350,-20 400,0 500,0C500,100 520,150 520,250"
"C520,350 500,400 500,500C400,500 350,520 250,520C150,520 100,500 0,500"
"C0,400 -20,350 -20,250C-20,150 0,100 0,0ZM50,50C50,130 34,170 34,250"
"C34,330 50,370 50,450C130,450 170,466 250,466C330,466 370,450 450,450"
"C450,370 466,330 466,250C466,170 450,130 450,50C370,50 330,34 250,34"
"C170,34 130,50 50,50Z";
g_assert_cmpmem (str, draw_data.consumed, expected, sizeof (expected) - 1);
hb_font_destroy (font);
}
}
#endif
int
main (int argc, char **argv)
{
@ -1105,6 +1161,9 @@ main (int argc, char **argv)
hb_test_add (test_hb_draw_synthetic_slant);
hb_test_add (test_hb_draw_subfont_scale);
hb_test_add (test_hb_draw_immutable);
#ifdef HAVE_FREETYPE
hb_test_add (test_hb_draw_ft);
#endif
unsigned result = hb_test_run ();
hb_draw_funcs_destroy (funcs);