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evas_textblock: myanmar script rendering with e vowel. 

Summary: Resolve rendering e vowel (0x1031) with Myanmar(Burmese) with zero width non joiner (0x200C)

Test Plan: ninja test

Reviewers: woohyun, bowonryu

Reviewed By: bowonryu

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D12102
This commit is contained in:
Ali Alzyod 2020-08-18 19:15:12 +09:00 committed by WooHyun Jung
parent eb0f7183dd
commit eed4068fa2
2 changed files with 43 additions and 0 deletions
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21
src/lib/evas/canvas/evas_object_textblock.c
View File

@ -5436,6 +5436,27 @@ skip:
script = evas_common_language_script_type_get(str, script_len);
/* FIXME Workaround for Burmese Vowel E Rendering, caused by bug in Harfbuzz
breaking text run will fix the visual issue.
*/
if (script == EVAS_SCRIPT_MYANMAR && script_len > 1)
{
int i;
for (i = 0 ; i < script_len - 1; i++)
{
if (str[i] == 0x200C)
{
if (str[i+1] == 0x1031)
{
cur_len += script_len;
script_len = i + 1;
cur_len -= script_len;
break;
}
}
}
}
Evas_Object_Protected_Data *obj = efl_data_scope_get(c->obj, EFL_CANVAS_OBJECT_CLASS);
while (script_len > 0)
{

22
src/tests/elementary/elm_test_entry.c
View File

@ -610,6 +610,27 @@ EFL_START_TEST(elm_entry_test_text_class)
}
EFL_END_TEST
EFL_START_TEST(elm_entry_test_burmese)
{
Evas_Object *win, *textblock;
Evas_Textblock_Style *style;
int w;
win = win_add(NULL, "entry", ELM_WIN_BASIC);
textblock = evas_object_textblock_add(win);
style = evas_textblock_style_new();
evas_textblock_style_set(style, "DEFAULT='font=arial font_size=20 color=red'");
evas_object_textblock_style_set(textblock, style);
evas_textblock_style_free(style);
style = NULL;
evas_object_textblock_text_markup_set(textblock, "\u1006\u200C\u1031\u200C\u1031\u200C\u1031");
evas_object_textblock_size_native_get(textblock, &w, NULL);
ck_assert_int_ne(w, 0);
}
EFL_END_TEST
EFL_START_TEST(elm_entry_keycode)
{
Evas_Object *win, *entry;
@ -651,5 +672,6 @@ void elm_test_entry(TCase *tc)
tcase_add_test(tc, elm_entry_magnifier);
tcase_add_test(tc, elm_entry_file_get_set);
tcase_add_test(tc, elm_entry_test_text_class);
tcase_add_test(tc, elm_entry_test_burmese);
tcase_add_test(tc, elm_entry_keycode);
}