From 29637c14415fc8913eccf7eef145c876421232e8 Mon Sep 17 00:00:00 2001
From: Huw Davies <daviesh@huw-davies-computer.local>
Date: Thu, 31 Jul 2008 16:47:22 +0100
Subject: [PATCH] gdi32: Keep track of the number of unique fonts that are
 created and return this in the second DWORD of the GdiRealizationInfo
 structure.

---
 dlls/gdi32/font.c        | 22 ++++++----------------
 dlls/gdi32/freetype.c    | 28 ++++++++++++++++++++++++++--
 dlls/gdi32/gdi_private.h | 12 ++++++++++++
 3 files changed, 44 insertions(+), 18 deletions(-)

diff --git a/dlls/gdi32/font.c b/dlls/gdi32/font.c
index 013cd2abae2..1e8cac33fae 100644
--- a/dlls/gdi32/font.c
+++ b/dlls/gdi32/font.c
@@ -3254,14 +3254,6 @@ BOOL WINAPI FontIsLinked(HDC hdc)
     return ret;
 }
 
-typedef struct
-{
-    DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
-    DWORD unknown1;    /* keeps incrementing - num of fonts that have been created or selected into a dc ?? */
-    DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
-                          in which the face was first rendered. */
-} realization_info_t;
-
 /*************************************************************
  *           GdiRealizationInfo    (GDI32.@)
  *
@@ -3269,14 +3261,12 @@ typedef struct
  */
 BOOL WINAPI GdiRealizationInfo(HDC hdc, realization_info_t *info)
 {
-    UINT otm_size;
-    FIXME("(%p, %p): stub!\n", hdc, info);
+    DC *dc = get_dc_ptr(hdc);
+    BOOL ret = FALSE;
 
-    info->flags = 1;
-    otm_size = GetOutlineTextMetricsW(hdc, 0, NULL);
-    if(otm_size) info->flags |= 2;  /* scalable */
+    if (!dc) return FALSE;
+    if (dc->gdiFont) ret = WineEngRealizationInfo(dc->gdiFont, info);
+    release_dc_ptr(dc);
 
-    info->unknown1 = -1;
-    info->unknown2 = -1;
-    return TRUE;
+    return ret;
 }
diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c
index a2110ab9700..bb3c7d30ea0 100644
--- a/dlls/gdi32/freetype.c
+++ b/dlls/gdi32/freetype.c
@@ -335,6 +335,7 @@ struct tagGdiFont {
     FONTSIGNATURE fs;
     GdiFont *base_font;
     VOID *GSUB_Table;
+    DWORD cache_num;
 };
 
 typedef struct {
@@ -3113,7 +3114,14 @@ static GdiFont *find_in_cache(HFONT hfont, const LOGFONTW *plf, const FMAT2 *pma
     return NULL;
 }
 
-    
+static void add_to_cache(GdiFont *font)
+{
+    static DWORD cache_num = 1;
+
+    font->cache_num = cache_num++;
+    list_add_head(&gdi_font_list, &font->entry);
+}
+
 /*************************************************************
  * create_child_font_list
  */
@@ -3604,7 +3612,7 @@ found:
 
     TRACE("caching: gdiFont=%p  hfont=%p\n", ret, hfont);
 
-    list_add_head(&gdi_font_list, &ret->entry);
+    add_to_cache(ret);
     LeaveCriticalSection( &freetype_cs );
     return ret;
 }
@@ -5748,6 +5756,22 @@ BOOL WINAPI GetRasterizerCaps( LPRASTERIZER_STATUS lprs, UINT cbNumBytes)
     return TRUE;
 }
 
+/*************************************************************
+ *     WineEngRealizationInfo
+ */
+BOOL WineEngRealizationInfo(GdiFont *font, realization_info_t *info)
+{
+    FIXME("(%p, %p): stub!\n", font, info);
+
+    info->flags = 1;
+    if(FT_IS_SCALABLE(font->ft_face))
+        info->flags |= 2;
+
+    info->cache_num = font->cache_num;
+    info->unknown2 = -1;
+    return TRUE;
+}
+
 /*************************************************************************
  * Kerning support for TrueType fonts
  */
diff --git a/dlls/gdi32/gdi_private.h b/dlls/gdi32/gdi_private.h
index aa38b95dba9..325c7089a55 100644
--- a/dlls/gdi32/gdi_private.h
+++ b/dlls/gdi32/gdi_private.h
@@ -420,6 +420,17 @@ extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DE
 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
 
 /* freetype.c */
+
+/* Undocumented structure filled in by GdiRealizationInfo */
+typedef struct
+{
+    DWORD flags;       /* 1 for bitmap fonts, 3 for scalable fonts */
+    DWORD cache_num;   /* keeps incrementing - num of fonts that have been created allowing for caching?? */
+    DWORD unknown2;    /* fixed for a given font - looks like it could be the order of the face in the font list or the order
+                          in which the face was first rendered. */
+} realization_info_t;
+
+
 extern INT WineEngAddFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 extern HANDLE WineEngAddFontMemResourceEx(PVOID, DWORD, PVOID, LPDWORD) DECLSPEC_HIDDEN;
 extern GdiFont* WineEngCreateFontInstance(DC*, HFONT) DECLSPEC_HIDDEN;
@@ -447,6 +458,7 @@ extern INT  WineEngGetTextFace(GdiFont*, INT, LPWSTR) DECLSPEC_HIDDEN;
 extern BOOL WineEngGetTextMetrics(GdiFont*, LPTEXTMETRICW) DECLSPEC_HIDDEN;
 extern BOOL WineEngFontIsLinked(GdiFont*) DECLSPEC_HIDDEN;
 extern BOOL WineEngInit(void) DECLSPEC_HIDDEN;
+extern BOOL WineEngRealizationInfo(GdiFont*, realization_info_t*) DECLSPEC_HIDDEN;
 extern BOOL WineEngRemoveFontResourceEx(LPCWSTR, DWORD, PVOID) DECLSPEC_HIDDEN;
 
 /* gdiobj.c */