[PATCH 4/5] dwrite: Return font set for matched font list.

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
 dlls/dwrite/font.c       | 44 ++++++++++++++++++++++++++++++++++++++--
 dlls/dwrite/tests/font.c | 29 ++++++++++++++++++++++++++
 2 files changed, 71 insertions(+), 2 deletions(-)

diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index b0b8e3c34f4..b64ea53692f 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -278,6 +278,9 @@ struct dwrite_fontset_builder
     size_t capacity;
 };
 
+static HRESULT fontset_create_from_font_data(IDWriteFactory7 *factory, struct dwrite_font_data **fonts,
+        unsigned int count, IDWriteFontSet1 **ret);
+
 static void dwrite_grab_font_table(void *context, UINT32 table, const BYTE **data, UINT32 *size, void **data_context)
 {
     struct dwrite_fontface *fontface = context;
@@ -2385,9 +2388,12 @@ static HRESULT WINAPI dwritefontlist1_GetFontFaceReference(IDWriteFontList2 *ifa
 
 static HRESULT WINAPI dwritefontlist2_GetFontSet(IDWriteFontList2 *iface, IDWriteFontSet1 **fontset)
 {
-    FIXME("%p, %p.\n", iface, fontset);
+    struct dwrite_fontlist *fontlist = impl_from_IDWriteFontList2(iface);
 
-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, fontset);
+
+    return fontset_create_from_font_data(fontlist->family->collection->factory, fontlist->fonts,
+            fontlist->font_count, fontset);
 }
 
 static const IDWriteFontList2Vtbl dwritefontlistvtbl =
@@ -7410,6 +7416,40 @@ static const IDWriteFontSet3Vtbl fontsetvtbl =
     dwritefontset3_GetFontSourceName,
 };
 
+static HRESULT fontset_create_from_font_data(IDWriteFactory7 *factory, struct dwrite_font_data **fonts,
+        unsigned int count, IDWriteFontSet1 **ret)
+{
+    struct dwrite_fontset *object;
+    unsigned int i;
+
+    if (!(object = heap_alloc_zero(sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    object->IDWriteFontSet3_iface.lpVtbl = &fontsetvtbl;
+    object->refcount = 1;
+    object->factory = factory;
+    IDWriteFactory7_AddRef(object->factory);
+
+    if (count)
+    {
+        object->entries = heap_calloc(count, sizeof(*object->entries));
+        object->count = count;
+
+        /* FIXME: set available properties too */
+        for (i = 0; i < object->count; ++i)
+        {
+            object->entries[i].file = fonts[i]->file;
+            object->entries[i].face_index = fonts[i]->face_index;
+            object->entries[i].simulations = fonts[i]->simulations;
+            IDWriteFontFile_AddRef(object->entries[i].file);
+        }
+    }
+
+    *ret = (IDWriteFontSet1 *)&object->IDWriteFontSet3_iface;
+
+    return S_OK;
+}
+
 static HRESULT fontset_builder_create_fontset(IDWriteFactory7 *factory, struct dwrite_fontset_entry *entries,
         unsigned int count, IDWriteFontSet **ret)
 {
diff --git a/dlls/dwrite/tests/font.c b/dlls/dwrite/tests/font.c
index 4dcbbc4d077..12ea78b634b 100644
--- a/dlls/dwrite/tests/font.c
+++ b/dlls/dwrite/tests/font.c
@@ -1626,7 +1626,24 @@ if (0) /* crashes on native */
 
             if (SUCCEEDED(IDWriteFontFamily1_QueryInterface(family1, &IID_IDWriteFontList2, (void **)&fontlist2)))
             {
+                IDWriteFontSet1 *fontset = NULL, *fontset2 = NULL;
+
                 ok(fontlist == (IDWriteFontList *)fontlist2, "Unexpected interface pointer.\n");
+
+                hr = IDWriteFontList2_GetFontSet(fontlist2, &fontset);
+            todo_wine
+                ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+                hr = IDWriteFontList2_GetFontSet(fontlist2, &fontset2);
+            todo_wine {
+                ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+                ok(fontset != fontset2, "Unexpected instance.\n");
+            }
+                if (fontset2)
+                    IDWriteFontSet1_Release(fontset2);
+                if (fontset)
+                    IDWriteFontSet1_Release(fontset);
+
                 IDWriteFontList2_Release(fontlist2);
             }
             else
@@ -4067,6 +4084,18 @@ static void test_GetMatchingFonts(void)
 
     if (SUCCEEDED(IDWriteFontList_QueryInterface(fontlist, &IID_IDWriteFontList2, (void **)&fontlist3)))
     {
+        IDWriteFontSet1 *fontset, *fontset2;
+
+        hr = IDWriteFontList2_GetFontSet(fontlist3, &fontset);
+        ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+        hr = IDWriteFontList2_GetFontSet(fontlist3, &fontset2);
+        ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+        ok(fontset != fontset2, "Unexpected instance.\n");
+
+        IDWriteFontSet1_Release(fontset2);
+        IDWriteFontSet1_Release(fontset);
+
         IDWriteFontList2_Release(fontlist3);
     }
     else
-- 
2.30.1