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[draw] Add hb_draw_funcs_is_immutable and hb_draw_funcs_make_immutable

This commit is contained in:
Ebrahim Byagowi 2020-02-02 14:32:38 +03:30
parent 63b8190db8
commit b4d3bf1d8a
4 changed files with 53 additions and 0 deletions
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2
docs/harfbuzz-sections.txt
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@ -231,6 +231,8 @@ hb_draw_move_to_func_t
hb_draw_quadratic_to_func_t
hb_draw_funcs_create
hb_draw_funcs_destroy
hb_draw_funcs_is_immutable
hb_draw_funcs_make_immutable
hb_draw_funcs_reference
hb_draw_funcs_set_close_path_func
hb_draw_funcs_set_cubic_to_func

32
src/hb-draw.cc
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@ -186,6 +186,38 @@ hb_draw_funcs_destroy (hb_draw_funcs_t *funcs)
free (funcs);
}
/**
* hb_draw_funcs_make_immutable:
* @funcs: draw functions
*
* Makes funcs object immutable.
*
* Since: REPLACEME
**/
void
hb_draw_funcs_make_immutable (hb_draw_funcs_t *funcs)
{
if (hb_object_is_immutable (funcs))
return;
hb_object_make_immutable (funcs);
}
/**
* hb_draw_funcs_is_immutable:
* @funcs: draw functions
*
* Checks whether funcs is immutable.
*
* Returns: If is immutable.
* Since: REPLACEME
**/
hb_bool_t
hb_draw_funcs_is_immutable (hb_draw_funcs_t *funcs)
{
return hb_object_is_immutable (funcs);
}
/**
* hb_font_draw_glyph:
* @font: a font object

6
src/hb-draw.h
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@ -85,6 +85,12 @@ hb_draw_funcs_reference (hb_draw_funcs_t *funcs);
HB_EXTERN void
hb_draw_funcs_destroy (hb_draw_funcs_t *funcs);
HB_EXTERN void
hb_draw_funcs_make_immutable (hb_draw_funcs_t *funcs);
HB_EXTERN hb_bool_t
hb_draw_funcs_is_immutable (hb_draw_funcs_t *funcs);
HB_END_DECLS
#endif /* HB_DRAW_H */

13
test/api/test-draw.c
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@ -813,6 +813,16 @@ test_hb_draw_stroking (void)
}
}
static void
test_hb_draw_immutable (void)
{
hb_draw_funcs_t *draw_funcs = hb_draw_funcs_create ();
g_assert (!hb_draw_funcs_is_immutable (draw_funcs));
hb_draw_funcs_make_immutable (draw_funcs);
g_assert (hb_draw_funcs_is_immutable (draw_funcs));
hb_draw_funcs_destroy (draw_funcs);
}
int
main (int argc, char **argv)
{
@ -822,12 +832,14 @@ main (int argc, char **argv)
hb_draw_funcs_set_quadratic_to_func (funcs, (hb_draw_quadratic_to_func_t) quadratic_to);
hb_draw_funcs_set_cubic_to_func (funcs, (hb_draw_cubic_to_func_t) cubic_to);
hb_draw_funcs_set_close_path_func (funcs, (hb_draw_close_path_func_t) close_path);
hb_draw_funcs_make_immutable (funcs);
funcs2 = hb_draw_funcs_create ();
hb_draw_funcs_set_move_to_func (funcs2, (hb_draw_move_to_func_t) move_to);
hb_draw_funcs_set_line_to_func (funcs2, (hb_draw_line_to_func_t) line_to);
hb_draw_funcs_set_cubic_to_func (funcs2, (hb_draw_cubic_to_func_t) cubic_to);
hb_draw_funcs_set_close_path_func (funcs2, (hb_draw_close_path_func_t) close_path);
hb_draw_funcs_make_immutable (funcs2);
hb_test_init (&argc, &argv);
hb_test_add (test_itoa);
@ -840,6 +852,7 @@ main (int argc, char **argv)
hb_test_add (test_hb_draw_font_kit_glyphs_tests);
hb_test_add (test_hb_draw_font_kit_variations_tests);
hb_test_add (test_hb_draw_stroking);
hb_test_add (test_hb_draw_immutable);
unsigned result = hb_test_run ();
hb_draw_funcs_destroy (funcs);