dwrite: Implement IsSymbolFont().

dlls/dwrite/dwrite_private.h

@@ -195,6 +195,7 @@ extern BOOL freetype_has_kerning_pairs(IDWriteFontFace2*) DECLSPEC_HIDDEN;
 extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace2*,UINT16,UINT16) DECLSPEC_HIDDEN;
 extern void freetype_get_glyph_bbox(IDWriteFontFace2*,FLOAT,UINT16,BOOL,RECT*) DECLSPEC_HIDDEN;
 extern void freetype_get_glyph_bitmap(IDWriteFontFace2*,FLOAT,UINT16,const RECT*,BYTE*) DECLSPEC_HIDDEN;
+extern INT freetype_get_charmap_index(IDWriteFontFace2*,BOOL*) DECLSPEC_HIDDEN;
 
 /* Glyph shaping */
 enum SCRIPT_JUSTIFY

dlls/dwrite/font.c

@@ -148,6 +148,8 @@ struct dwrite_fontface {
     DWRITE_FONT_FACE_TYPE type;
     DWRITE_FONT_METRICS1 metrics;
     DWRITE_CARET_METRICS caret;
+    INT charmap;
+    BOOL is_symbol;
 
     struct dwrite_fonttable cmap;
     struct dwrite_fonttable vdmx;
@@ -401,8 +403,8 @@ static DWRITE_FONT_SIMULATIONS WINAPI dwritefontface_GetSimulations(IDWriteFontF
 static BOOL WINAPI dwritefontface_IsSymbolFont(IDWriteFontFace2 *iface)
 {
     struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
-    FIXME("(%p): stub\n", This);
-    return FALSE;
+    TRACE("(%p)\n", This);
+    return This->is_symbol;
 }
 
 static void WINAPI dwritefontface_GetMetrics(IDWriteFontFace2 *iface, DWRITE_FONT_METRICS *metrics)
@@ -2500,6 +2502,7 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
             fontface->caret.slopeRun = fontface->caret.slopeRise / 3;
         }
     }
+    fontface->charmap = freetype_get_charmap_index(&fontface->IDWriteFontFace2_iface, &fontface->is_symbol);
 
     *ret = &fontface->IDWriteFontFace2_iface;
     return S_OK;

dlls/dwrite/freetype.c

@@ -28,6 +28,7 @@
 #include FT_CACHE_H
 #include FT_FREETYPE_H
 #include FT_OUTLINE_H
+#include FT_TRUETYPE_TABLES_H
 #endif /* HAVE_FT2BUILD_H */
 
 #include "windef.h"
@@ -64,7 +65,9 @@ typedef struct
 
 #define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
 MAKE_FUNCPTR(FT_Done_FreeType);
+MAKE_FUNCPTR(FT_Get_First_Char);
 MAKE_FUNCPTR(FT_Get_Kerning);
+MAKE_FUNCPTR(FT_Get_Sfnt_Table);
 MAKE_FUNCPTR(FT_Glyph_Get_CBox);
 MAKE_FUNCPTR(FT_Init_FreeType);
 MAKE_FUNCPTR(FT_Library_Version);
@@ -145,7 +148,9 @@ BOOL init_freetype(void)
 
 #define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(ft_handle, #f, NULL, 0)) == NULL){WARN("Can't find symbol %s\n", #f); goto sym_not_found;}
     LOAD_FUNCPTR(FT_Done_FreeType)
+    LOAD_FUNCPTR(FT_Get_First_Char)
     LOAD_FUNCPTR(FT_Get_Kerning)
+    LOAD_FUNCPTR(FT_Get_Sfnt_Table)
     LOAD_FUNCPTR(FT_Glyph_Get_CBox)
     LOAD_FUNCPTR(FT_Init_FreeType)
     LOAD_FUNCPTR(FT_Library_Version)
@@ -554,6 +559,38 @@ void freetype_get_glyph_bitmap(IDWriteFontFace2 *fontface, FLOAT emSize, UINT16
     LeaveCriticalSection(&freetype_cs);
 }
 
+INT freetype_get_charmap_index(IDWriteFontFace2 *fontface, BOOL *is_symbol)
+{
+    INT charmap_index = -1;
+    FT_Face face;
+
+    *is_symbol = FALSE;
+
+    EnterCriticalSection(&freetype_cs);
+    if (pFTC_Manager_LookupFace(cache_manager, fontface, &face) == 0) {
+        TT_OS2 *os2 = pFT_Get_Sfnt_Table(face, ft_sfnt_os2);
+        FT_Int i;
+
+        if (os2) {
+            FT_UInt dummy;
+            if (os2->version == 0)
+                *is_symbol = pFT_Get_First_Char(face, &dummy) >= 0x100;
+            else
+                *is_symbol = os2->ulCodePageRange1 & FS_SYMBOL;
+        }
+
+        for (i = 0; i < face->num_charmaps; i++)
+            if (face->charmaps[i]->encoding == FT_ENCODING_MS_SYMBOL) {
+                *is_symbol = TRUE;
+                charmap_index = i;
+                break;
+            }
+    }
+    LeaveCriticalSection(&freetype_cs);
+
+    return charmap_index;
+}
+
 #else /* HAVE_FREETYPE */
 
 BOOL init_freetype(void)
@@ -616,4 +653,10 @@ void freetype_get_glyph_bitmap(IDWriteFontFace2 *fontface, FLOAT emSize, UINT16
     memset(buf, 0, size);
 }
 
+INT freetype_get_charmap_index(IDWriteFontFace2 *fontface, BOOL *is_symbol)
+{
+    *is_symbol = FALSE;
+    return -1;
+}
+
 #endif /* HAVE_FREETYPE */

dlls/dwrite/tests/font.c

@@ -4710,6 +4710,50 @@ static void test_CreateAlphaTexture(void)
     IDWriteFactory_Release(factory);
 }
 
+static void test_IsSymbolFont(void)
+{
+    static const WCHAR symbolW[] = {'S','y','m','b','o','l',0};
+    IDWriteFontCollection *collection;
+    IDWriteFontFace *fontface;
+    IDWriteFactory *factory;
+    IDWriteFont *font;
+    HRESULT hr;
+    BOOL ret;
+
+    factory = create_factory();
+
+    /* Tahoma */
+    fontface = create_fontface(factory);
+    ret = IDWriteFontFace_IsSymbolFont(fontface);
+    ok(!ret, "got %d\n", ret);
+
+    hr = IDWriteFactory_GetSystemFontCollection(factory, &collection, FALSE);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IDWriteFontCollection_GetFontFromFontFace(collection, fontface, &font);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    ret = IDWriteFont_IsSymbolFont(font);
+    ok(!ret, "got %d\n", ret);
+
+    IDWriteFontCollection_Release(collection);
+    IDWriteFont_Release(font);
+    IDWriteFontFace_Release(fontface);
+
+    /* Symbol */
+    font = get_font(factory, symbolW, DWRITE_FONT_STYLE_NORMAL);
+    ret = IDWriteFont_IsSymbolFont(font);
+    ok(ret, "got %d\n", ret);
+
+    hr = IDWriteFont_CreateFontFace(font, &fontface);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ret = IDWriteFontFace_IsSymbolFont(fontface);
+    ok(ret, "got %d\n", ret);
+    IDWriteFont_Release(font);
+
+    IDWriteFactory_Release(factory);
+}
+
 START_TEST(font)
 {
     IDWriteFactory *factory;
@@ -4759,6 +4803,7 @@ START_TEST(font)
     test_GetRecommendedRenderingMode();
     test_GetAlphaBlendParams();
     test_CreateAlphaTexture();
+    test_IsSymbolFont();
 
     IDWriteFactory_Release(factory);
 }