[1/1] dwrite: case insensitive font search

[Julius Schwartzenberg]

Running the tests on MS Windows, it turns out that Nikolay Sivov was
correct that it should just be a case insensitive search:
https://www.winehq.org/pipermail/wine-devel/2015-April/107309.html
This allows Samsung Smart View 2.0 to get further with starting up.
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From ef24e3a77c869ce6e1404d9d8eb32d70df695c03 Mon Sep 17 00:00:00 2001
From: Julius Schwartzenberg <julius.schwartzenberg at gmail.com>
Date: Fri, 10 Apr 2015 21:08:31 +0200
Subject: Case insensitive font search for dwrite. Fixes crash in Samsung Smart
 View 2.0.

---
 dlls/dwrite/font.c       |  2 +-
 dlls/dwrite/tests/font.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index fc067a5..c591f4e 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -1431,7 +1431,7 @@ static UINT32 collection_find_family(struct dwrite_fontcollection *collection, c
         for (j = 0; j < IDWriteLocalizedStrings_GetCount(family_name); j++) {
             WCHAR buffer[255];
             hr = IDWriteLocalizedStrings_GetString(family_name, j, buffer, 255);
-            if (SUCCEEDED(hr) && !strcmpW(buffer, name))
+            if (SUCCEEDED(hr) && !strcmpiW(buffer, name))
                 return i;
         }
     }
diff --git a/dlls/dwrite/tests/font.c b/dlls/dwrite/tests/font.c
index 65d8bcb..126fba9 100644
--- a/dlls/dwrite/tests/font.c
+++ b/dlls/dwrite/tests/font.c
@@ -58,6 +58,8 @@ static inline BOOL heap_free(void *mem)
 
 static const WCHAR test_fontfile[] = {'w','i','n','e','_','t','e','s','t','_','f','o','n','t','.','t','t','f',0};
 static const WCHAR tahomaW[] = {'T','a','h','o','m','a',0};
+static const WCHAR tahomaUppercaseW[] = {'T','A','H','O','M','A',0};
+static const WCHAR tahomaStrangecaseW[] = {'t','A','h','O','m','A',0};
 static const WCHAR blahW[]  = {'B','l','a','h','!',0};
 
 static IDWriteFactory *create_factory(void)
@@ -1376,6 +1378,20 @@ static void test_system_fontcollection(void)
     ok(ret, "got %d\n", ret);
     ok(i != (UINT32)-1, "got %u\n", i);
 
+    ret = FALSE;
+    i = (UINT32)-1;
+    hr = IDWriteFontCollection_FindFamilyName(collection, tahomaUppercaseW, &i, &ret);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(ret, "got %d\n", ret);
+    ok(i != (UINT32)-1, "got %u\n", i);
+
+    ret = FALSE;
+    i = (UINT32)-1;
+    hr = IDWriteFontCollection_FindFamilyName(collection, tahomaStrangecaseW, &i, &ret);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(ret, "got %d\n", ret);
+    ok(i != (UINT32)-1, "got %u\n", i);
+
     /* get back local file loader */
     hr = IDWriteFontCollection_GetFontFamily(collection, i, &family);
     ok(hr == S_OK, "got 0x%08x\n", hr);
-- 
1.9.1