woohyun pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=9b987c67e1e38602ba2e4c9c990798e99d938bbe

commit 9b987c67e1e38602ba2e4c9c990798e99d938bbe
Author: Ali Alzyod <[email protected]>
Date:   Fri Apr 17 12:28:41 2020 +0900

    evas_textblock: pick textrun fonts
    
    Summary:
    Picking font on textrun, will now give priority into font picked by the 
user, regardless of script type.
    picking font due script can cause many inconvenient results
    
    Example of wrong results:  (User font is **NotoColorEmoji**)
    {F3847118} -> add 'a' at the end (notice how text render is wrong) 
{F3847119} -> add tab before 'a' (text rendering now is right) {F3847120}
    
    After Change results: (User font is **NotoColorEmoji**)
    {F3847118}  -> add 'a' at the end -> {F3847122}-> add tab before 'a' -> 
{F3847123}
    
    Also now the following lines will be shown exactly the same, regardless of 
characters order
    ```
    "가123A321"
    "A321가123"
    "123가A321"
    "A가123321"
    ```
    
    Test Plan:
    ```
    #include <Elementary.h>
    /*
    gcc -o example test.c `pkg-config --cflags --libs elementary`
    */
    
    EAPI_MAIN int
    elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
    {
       Evas_Object *win, *en;
    
       elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
    
       win = elm_win_util_standard_add("", "");
       elm_win_autodel_set(win, EINA_TRUE);
    
       en = elm_entry_add(win);
       elm_entry_scrollable_set(en, EINA_TRUE);
       evas_object_size_hint_weight_set(en, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
       evas_object_size_hint_align_set(en, EVAS_HINT_FILL, EVAS_HINT_FILL);
    
       elm_entry_text_style_user_push(en,"DEFAULT='font=NotoColorEmoji 
font_size=30 color=red'");
       elm_object_text_set(en, "&#x262a;123456a");
    
       evas_object_show(en);
    
       elm_object_content_set(win, en);
       evas_object_resize(win, 400, 200);
       evas_object_show(win);
    
       elm_run();
    
       return 0;
    }
    ELM_MAIN()
    ```
    
    Reviewers: woohyun, bowonryu, tasn, raster, cedric
    
    Reviewed By: tasn
    
    Subscribers: cedric, #reviewers, #committers
    
    Tags: #efl
    
    Maniphest Tasks: T8556
    
    Differential Revision: https://phab.enlightenment.org/D11302
---
 src/lib/evas/common/evas_font_query.c | 35 ++---------------------------------
 src/tests/evas/evas_test_textblock.c  | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 33 deletions(-)

diff --git a/src/lib/evas/common/evas_font_query.c 
b/src/lib/evas/common/evas_font_query.c
index 640fc65b4c..1464d7f9db 100644
--- a/src/lib/evas/common/evas_font_query.c
+++ b/src/lib/evas/common/evas_font_query.c
@@ -17,7 +17,7 @@
  * @return length of the run found.
  */
 EAPI int
-evas_common_font_query_run_font_end_get(RGBA_Font *fn, RGBA_Font_Int 
**script_fi, RGBA_Font_Int **cur_fi, Evas_Script_Type script, const 
Eina_Unicode *text, int run_len)
+evas_common_font_query_run_font_end_get(RGBA_Font *fn, RGBA_Font_Int 
**script_fi, RGBA_Font_Int **cur_fi, Evas_Script_Type script EINA_UNUSED, const 
Eina_Unicode *text, int run_len)
 {
    RGBA_Font_Int *fi = NULL;
    const Eina_Unicode *run_end = text + run_len;
@@ -26,38 +26,7 @@ evas_common_font_query_run_font_end_get(RGBA_Font *fn, 
RGBA_Font_Int **script_fi
    /* If there's no current script_fi, find it first */
    if (!*script_fi)
      {
-        const Eina_Unicode *base_char = NULL;
-        /* Skip common chars */
-        for (base_char = text ;
-             (base_char < run_end) &&
-             (evas_common_language_char_script_get(*base_char) != script) ;
-             base_char++)
-           ;
-        /* If counter reach variation sequence it is safe to pick default font 
*/
-        if(VAR_SEQ_SAFE(base_char) || (base_char != run_end && 
VAR_SEQ_SAFE((base_char+1)))) goto get_top_font;
-
-        if (base_char == run_end) base_char = text;
-
-        /* Find the first renderable char */
-        while (base_char < run_end)
-          {
-             /* 0x1F is the last ASCII contral char, just a hack in
-              * the meanwhile. */
-             if ((*base_char > 0x1F) &&
-                   evas_common_font_glyph_search(fn, &fi, *base_char, 0, 
EVAS_FONT_SEARCH_OPTION_NONE))
-                break;
-             base_char++;
-          }
-
-
-        /* If everything else fails, at least try to find a font for the
-         * replacement char */
-        if (base_char == run_end)
-           evas_common_font_glyph_search(fn, &fi, REPLACEMENT_CHAR, 0, 
EVAS_FONT_SEARCH_OPTION_NONE);
-get_top_font:
-
-        if (!fi)
-           fi = fn->fonts->data;
+        fi = fn->fonts->data;
 
         *script_fi = fi;
      }
diff --git a/src/tests/evas/evas_test_textblock.c 
b/src/tests/evas/evas_test_textblock.c
index dab090ff00..d3c575039d 100644
--- a/src/tests/evas/evas_test_textblock.c
+++ b/src/tests/evas/evas_test_textblock.c
@@ -4168,6 +4168,27 @@ EFL_START_TEST(evas_textblock_fit)
 }
 EFL_END_TEST;
 
+EFL_START_TEST(evas_textblock_textrun_font)
+{
+   START_TB_TEST();
+   int w1, h1, w2, h2;
+
+   evas_object_resize(tb, 300, 300);
+   evas_object_textblock_text_markup_set(tb, "가123A321");
+   evas_object_textblock_size_native_get(tb, &w1, &h1);
+   evas_object_textblock_text_markup_set(tb, "A321가123");
+   evas_object_textblock_size_native_get(tb, &w2, &h2);
+   ck_assert(w1==w2 && h1==h2);
+   evas_object_textblock_text_markup_set(tb, "123가A321");
+   evas_object_textblock_size_native_get(tb, &w2, &h2);
+   ck_assert(w1==w2 && h1==h2);
+   evas_object_textblock_text_markup_set(tb, "A가123321");
+   evas_object_textblock_size_native_get(tb, &w2, &h2);
+   ck_assert(w1==w2 && h1==h2);
+   END_TB_TEST();
+}
+EFL_END_TEST;
+
 #ifdef HAVE_HYPHEN
 static void
 _hyphenation_width_stress(Evas_Object *tb, Evas_Textblock_Cursor *cur)
@@ -5038,6 +5059,7 @@ void evas_test_textblock(TCase *tc)
    tcase_add_test(tc, evas_textblock_delete);
    tcase_add_test(tc, evas_textblock_obstacle);
    tcase_add_test(tc, evas_textblock_fit);
+   tcase_add_test(tc, evas_textblock_textrun_font);
 #ifdef HAVE_HYPHEN
    tcase_add_test(tc, evas_textblock_hyphenation);
 #endif

-- 


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