From 887e6cc50bfbe8fc354993682edc03c51203e2fc Mon Sep 17 00:00:00 2001
From: Oleg Oshmyan <chortos@inbox.lv>
Date: Thu, 17 Jun 2021 19:42:25 +0300
Subject: fontselect: automatically read metadata from font file if needed

---
 libass/ass_coretext.c | 40 +++++++++-------------------------------
 1 file changed, 9 insertions(+), 31 deletions(-)

(limited to 'libass/ass_coretext.c')

diff --git a/libass/ass_coretext.c b/libass/ass_coretext.c
index 42259bb..8002d8b 100644
--- a/libass/ass_coretext.c
+++ b/libass/ass_coretext.c
@@ -126,8 +126,7 @@ static char *get_name(CTFontDescriptorRef fontd, CFStringRef attr)
     return ret;
 }
 
-static bool get_font_info_ct(ASS_Library *lib, FT_Library ftlib,
-                             CTFontDescriptorRef fontd,
+static bool get_font_info_ct(CTFontDescriptorRef fontd,
                              char **path_out,
                              ASS_FontProviderMetaData *info)
 {
@@ -139,29 +138,19 @@ static bool get_font_info_ct(ASS_Library *lib, FT_Library ftlib,
     }
 
     char *ps_name = get_name(fontd, kCTFontNameAttribute);
+    info->postscript_name = ps_name;
     if (!ps_name)
         return false;
 
     char *family_name = get_name(fontd, kCTFontFamilyNameAttribute);
-    if (!family_name) {
-        free(ps_name);
+    info->extended_family = family_name;
+    if (!family_name)
         return false;
-    }
-
-    bool got_info =
-        ass_get_font_info(lib, ftlib, path, ps_name, -1, family_name, info);
-    free(ps_name);
 
-    if (got_info)
-        info->extended_family = family_name;
-    else
-        free(family_name);
-
-    return got_info;
+    return true;
 }
 
-static void process_descriptors(ASS_Library *lib, FT_Library ftlib,
-                                ASS_FontProvider *provider, CFArrayRef fontsd)
+static void process_descriptors(ASS_FontProvider *provider, CFArrayRef fontsd)
 {
     if (!fontsd)
         return;
@@ -172,20 +161,11 @@ static void process_descriptors(ASS_Library *lib, FT_Library ftlib,
         int index = -1;
 
         char *path = NULL;
-        if (get_font_info_ct(lib, ftlib, fontd, &path, &meta)) {
+        if (get_font_info_ct(fontd, &path, &meta)) {
             CFRetain(fontd);
             ass_font_provider_add_font(provider, &meta, path, index, (void*)fontd);
         }
 
-        for (int j = 0; j < meta.n_family; j++)
-            free(meta.families[j]);
-
-        for (int j = 0; j < meta.n_fullname; j++)
-            free(meta.fullnames[j]);
-
-        free(meta.families);
-        free(meta.fullnames);
-
         free(meta.postscript_name);
         free(meta.extended_family);
 
@@ -196,8 +176,6 @@ static void process_descriptors(ASS_Library *lib, FT_Library ftlib,
 static void match_fonts(void *priv, ASS_Library *lib, ASS_FontProvider *provider,
                         char *name)
 {
-    FT_Library ftlib = priv;
-
     CFStringRef cfname =
         CFStringCreateWithCString(NULL, name, kCFStringEncodingUTF8);
     if (!cfname)
@@ -256,7 +234,7 @@ static void match_fonts(void *priv, ASS_Library *lib, ASS_FontProvider *provider
     if (!fontsd)
         goto cleanup;
 
-    process_descriptors(lib, ftlib, provider, fontsd);
+    process_descriptors(provider, fontsd);
 
 cleanup:
     SAFE_CFRelease(fontsd);
@@ -329,5 +307,5 @@ ASS_FontProvider *
 ass_coretext_add_provider(ASS_Library *lib, ASS_FontSelector *selector,
                           const char *config, FT_Library ftlib)
 {
-    return ass_font_provider_new(selector, &coretext_callbacks, ftlib);
+    return ass_font_provider_new(selector, &coretext_callbacks, NULL);
 }
-- 
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