File 0021-Fall-back-to-using-FONT-property-as-family-name.patch of Package fonttosfnt.20912

From 899eadee6750ea39ddb6b874529c29c011599bb2 Mon Sep 17 00:00:00 2001
From: Christopher Zimmermann <madroach@gmerlin.de>
Date: Sat, 24 Oct 2020 11:41:32 +0200
Subject: [PATCH] Fall back to using FONT property as family name

---
 fonttosfnt.h |  1 +
 read.c       | 48 ++++++++++++++++++++++++------------------------
 util.c       | 18 ++++++++++++++++++
 3 files changed, 43 insertions(+), 24 deletions(-)

diff --git a/fonttosfnt.h b/fonttosfnt.h
index 0dcc31c..53d9587 100644
--- a/fonttosfnt.h
+++ b/fonttosfnt.h
@@ -191,6 +191,7 @@ unsigned faceFoundry(FT_Face);
 char *faceEncoding(FT_Face);
 int faceFlags(FT_Face);
 int faceIntProp(FT_Face, const char *);
+char *faceStringProp(FT_Face, const char *);
 int faceWeight(FT_Face);
 int faceWidth(FT_Face);
 int faceItalicAngle(FT_Face);
diff --git a/read.c b/read.c
index 6b41ba5..0f996ac 100644
--- a/read.c
+++ b/read.c
@@ -103,7 +103,7 @@ readFile(char *filename, FontPtr font)
     BitmapPtr bitmap;
     int symbol = 0;
     int force_unicode = 1;
-    const char *encoding_name, *file_format;
+    const char *family_name, *encoding_name, *file_format;
     FontMapPtr mapping = NULL;
     FontMapReversePtr reverse = NULL;
     
@@ -171,6 +171,11 @@ readFile(char *filename, FontPtr font)
         }
     }
 
+    if(face->family_name)
+        family_name = face->family_name;
+    else
+	family_name = faceStringProp(face, "FONT");
+
     if(verbose_flag) {
         fprintf(stderr, "%s %s %s: %d sizes%s\n",
                 filename ? filename : "<stdin>",
@@ -178,15 +183,14 @@ readFile(char *filename, FontPtr font)
                 symbol ? " (symbol)" : "");
     }
 
-    if(font->numNames == 0 && face->style_name && face->family_name) {
-        char *full_name, *unique_name;
-        BDF_PropertyRec prop;
+    if(font->numNames == 0 && face->style_name && family_name) {
+        char *full_name, *unique_name, *buf;
         int i;
         if(strcmp(face->style_name, "Regular") == 0)
-            full_name = sprintf_alloc("%s", face->family_name);
+            full_name = sprintf_alloc("%s", family_name);
         else
             full_name = sprintf_alloc("%s %s", 
-                                      face->family_name, face->style_name);
+                                      family_name, face->style_name);
 
         /* The unique name doesn't actually need to be globally
            unique; it only needs to be unique among all installed fonts on a
@@ -214,17 +218,18 @@ readFile(char *filename, FontPtr font)
         }
         i = 0;
 
-        rc = FT_Get_BDF_Property(face, "COPYRIGHT", &prop);
-        if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) {
+	buf = faceStringProp(face, "COPYRIGHT");
+	if(buf) {
             font->names[i].nid = 0;
-            font->names[i].size = 2 * strlen(prop.u.atom);
-            font->names[i].value = makeUTF16((char*)prop.u.atom);
+            font->names[i].size = 2 * strlen(buf);
+            font->names[i].value = makeUTF16(buf);
+	    free(buf);
             i++;
-        }
+	}
 
         font->names[i].nid = 1;
-        font->names[i].size = 2 * strlen(face->family_name);
-        font->names[i].value = makeUTF16(face->family_name);
+        font->names[i].size = 2 * strlen(family_name);
+        font->names[i].value = makeUTF16(family_name);
         i++;
 
         font->names[i].nid = 2;
@@ -247,19 +252,14 @@ readFile(char *filename, FontPtr font)
         font->names[i].value = makeUTF16("Version 0.0");
         i++;
 
-        rc = FT_Get_BDF_Property(face, "FOUNDRY", &prop);
-        if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) {
+	buf = faceStringProp(face, "FOUNDRY");
+	if(buf) {
             font->names[i].nid = 8;
-	    if(prop.u.atom) {
-		font->names[i].size = 2 * strlen(prop.u.atom);
-		font->names[i].value = makeUTF16((char*)prop.u.atom);
-	    }
-	    else {
-		font->names[i].size = 0;
-		font->names[i].value = makeUTF16("");
-	    }
+	    font->names[i].size = 2 * strlen(buf);
+	    font->names[i].value = makeUTF16(buf);
+	    free(buf);
             i++;
-        }
+	}
 
         font->names[i].nid = 10;
         font->names[i].size = 2 * strlen(XVENDORNAMESHORT
diff --git a/util.c b/util.c
index ba9d096..655b5cf 100644
--- a/util.c
+++ b/util.c
@@ -404,6 +404,24 @@ faceIntProp(FT_Face face, const char *name)
 	return UNDEF;
 }
 
+char *
+faceStringProp(FT_Face face, const char *name)
+{
+    int rc;
+    BDF_PropertyRec prop;
+    char *buf = NULL;
+
+    rc = FT_Get_BDF_Property(face, name, &prop);
+    if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) {
+	buf = sprintf_alloc("%s", prop.u.atom ? prop.u.atom : "");
+	if(buf == NULL) {
+	    perror("sprintf_alloc failed");
+	    exit(1);
+	}
+    }
+    return buf;
+}
+
 char *
 faceEncoding(FT_Face face)
 {
-- 
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