Nikolay Sivov : dwrite: Load freetype on module attach, create one FT_Face per fontface.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a77b9ed0c733fcb71fe3189f533f80166efc577e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a77b9ed0c733fcb71fe3189f53...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Fri Nov 21 11:48:23 2014 +0300

dwrite: Load freetype on module attach, create one FT_Face per fontface.

---

 dlls/dwrite/Makefile.in      |   2 +
 dlls/dwrite/dwrite_private.h |   7 +++
 dlls/dwrite/font.c           |  25 ++++++++
 dlls/dwrite/freetype.c       | 138 +++++++++++++++++++++++++++++++++++++++++++
 dlls/dwrite/main.c           |   1 +
 5 files changed, 173 insertions(+)

diff --git a/dlls/dwrite/Makefile.in b/dlls/dwrite/Makefile.in
index 2090883..ded14db 100644
--- a/dlls/dwrite/Makefile.in
+++ b/dlls/dwrite/Makefile.in
@@ -1,12 +1,14 @@
 MODULE    = dwrite.dll
 IMPORTLIB = dwrite
 IMPORTS   = user32 gdi32
+EXTRAINCL = $(FREETYPE_CFLAGS)
 
 C_SRCS = \
 	analyzer.c \
 	bidi.c \
 	bracket.c \
 	font.c \
+	freetype.c \
 	gdiinterop.c \
 	layout.c \
 	linebreak.c \
diff --git a/dlls/dwrite/dwrite_private.h b/dlls/dwrite/dwrite_private.h
index 3b1d283..c600f3e 100644
--- a/dlls/dwrite/dwrite_private.h
+++ b/dlls/dwrite/dwrite_private.h
@@ -119,9 +119,16 @@ extern void opentype_get_font_properties(const void*,const void*,DWRITE_FONT_STR
 extern void opentype_get_font_metrics(const void*,const void*,const void*,DWRITE_FONT_METRICS1*) DECLSPEC_HIDDEN;
 extern HRESULT opentype_get_font_strings_from_id(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
 
+/* BiDi helpers */
 extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN;
 extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN;
 
+/* FreeType integration */
+struct ft_fontface;
+extern BOOL init_freetype(void) DECLSPEC_HIDDEN;
+extern HRESULT alloc_ft_fontface(const void*,UINT32,UINT32,struct ft_fontface**) DECLSPEC_HIDDEN;
+extern void release_ft_fontface(struct ft_fontface*) DECLSPEC_HIDDEN;
+
 /* Glyph shaping */
 enum SCRIPT_JUSTIFY
 {
diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index ed38a6f..eb7a274 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -119,6 +119,7 @@ struct dwrite_fontface {
     DWRITE_FONT_METRICS1 metrics;
 
     struct dwrite_fonttable cmap;
+    struct ft_fontface *ft;
 };
 
 struct dwrite_fontfile {
@@ -254,6 +255,7 @@ static ULONG WINAPI dwritefontface_Release(IDWriteFontFace2 *iface)
             if (This->files[i])
                 IDWriteFontFile_Release(This->files[i]);
         }
+        release_ft_fontface(This->ft);
         heap_free(This);
     }
 
@@ -1928,9 +1930,14 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
     DWRITE_FONT_SIMULATIONS simulations, IDWriteFontFace2 **ret)
 {
     struct dwrite_fontface *fontface;
+    const void *data_ptr;
     HRESULT hr = S_OK;
+    void *context;
+    UINT64 size;
     int i;
 
+    *ret = NULL;
+
     fontface = heap_alloc(sizeof(struct dwrite_fontface));
     if (!fontface)
         return E_OUTOFMEMORY;
@@ -1954,6 +1961,7 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
     fontface->cmap.size = 0;
     fontface->index = index;
     fontface->simulations = simulations;
+    fontface->ft = NULL;
 
     for (i = 0; i < fontface->file_count; i++) {
         hr = get_stream_from_file(font_files[i], &fontface->streams[i]);
@@ -1968,8 +1976,25 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
 
     get_font_properties_from_stream(fontface->streams[0], facetype, index, &fontface->metrics, NULL, NULL, NULL);
 
+    hr = IDWriteFontFileStream_GetFileSize(fontface->streams[0], &size);
+    if (FAILED(hr))
+        goto fail;
+
+    hr = IDWriteFontFileStream_ReadFileFragment(fontface->streams[0], &data_ptr, 0, size, &context);
+    if (FAILED(hr))
+        goto fail;
+
+    hr = alloc_ft_fontface(data_ptr, size, fontface->index, &fontface->ft);
+    IDWriteFontFileStream_ReleaseFileFragment(fontface->streams[0], context);
+    if (FAILED(hr))
+        goto fail;
+
     *ret = &fontface->IDWriteFontFace2_iface;
     return S_OK;
+
+fail:
+    IDWriteFontFace2_Release(&fontface->IDWriteFontFace2_iface);
+    return hr;
 }
 
 /* IDWriteLocalFontFileLoader and its required IDWriteFontFileStream */
diff --git a/dlls/dwrite/freetype.c b/dlls/dwrite/freetype.c
new file mode 100644
index 0000000..86d85b3
--- /dev/null
+++ b/dlls/dwrite/freetype.c
@@ -0,0 +1,138 @@
+/*
+ *    FreeType integration
+ *
+ * Copyright 2014 Nikolay Sivov for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#ifdef HAVE_FT2BUILD_H
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#endif /* HAVE_FT2BUILD_H */
+
+#include "windef.h"
+#include "wine/library.h"
+#include "wine/debug.h"
+
+#include "dwrite_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
+
+#ifdef HAVE_FREETYPE
+
+static void *ft_handle = NULL;
+static FT_Library library = 0;
+typedef struct
+{
+    FT_Int major;
+    FT_Int minor;
+    FT_Int patch;
+} FT_Version_t;
+
+#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
+MAKE_FUNCPTR(FT_Done_Face);
+MAKE_FUNCPTR(FT_Init_FreeType);
+MAKE_FUNCPTR(FT_Library_Version);
+MAKE_FUNCPTR(FT_New_Memory_Face);
+#undef MAKE_FUNCPTR
+
+struct ft_fontface
+{
+    FT_Face face;
+};
+
+BOOL init_freetype(void)
+{
+    FT_Version_t FT_Version;
+
+    ft_handle = wine_dlopen(SONAME_LIBFREETYPE, RTLD_NOW, NULL, 0);
+    if (!ft_handle) {
+        WINE_MESSAGE("Wine cannot find the FreeType font library.\n");
+	return FALSE;
+    }
+
+#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_Face)
+    LOAD_FUNCPTR(FT_Init_FreeType)
+    LOAD_FUNCPTR(FT_Library_Version)
+    LOAD_FUNCPTR(FT_New_Memory_Face)
+#undef LOAD_FUNCPTR
+
+    if (pFT_Init_FreeType(&library) != 0) {
+        ERR("Can't init FreeType library\n");
+	wine_dlclose(ft_handle, NULL, 0);
+        ft_handle = NULL;
+	return FALSE;
+    }
+    pFT_Library_Version(library, &FT_Version.major, &FT_Version.minor, &FT_Version.patch);
+
+    TRACE("FreeType version is %d.%d.%d\n", FT_Version.major, FT_Version.minor, FT_Version.patch);
+    return TRUE;
+
+sym_not_found:
+    WINE_MESSAGE("Wine cannot find certain functions that it needs from FreeType library.\n");
+    wine_dlclose(ft_handle, NULL, 0);
+    ft_handle = NULL;
+    return FALSE;
+}
+
+HRESULT alloc_ft_fontface(const void *data_ptr, UINT32 data_size, UINT32 index, struct ft_fontface **ftface)
+{
+    FT_Face face;
+    FT_Error err;
+
+    *ftface = heap_alloc_zero(sizeof(struct ft_fontface));
+    if (!*ftface)
+        return E_OUTOFMEMORY;
+
+    err = pFT_New_Memory_Face(library, data_ptr, data_size, index, &face);
+    if (err) {
+        ERR("FT_New_Memory_Face rets %d\n", err);
+	return E_FAIL;
+    }
+    (*ftface)->face = face;
+
+    return S_OK;
+}
+
+void release_ft_fontface(struct ft_fontface *ftface)
+{
+    if (!ftface) return;
+    pFT_Done_Face(ftface->face);
+    heap_free(ftface);
+}
+
+#else /* HAVE_FREETYPE */
+
+BOOL init_freetype(void)
+{
+    return FALSE;
+}
+
+HRESULT alloc_ft_fontface(const void *data_ptr, UINT32 data_size, UINT32 index, struct ft_fontface **face)
+{
+    *face = NULL;
+    return S_FALSE;
+}
+
+void release_ft_fontface(struct ft_fontface *face)
+{
+}
+
+#endif /* HAVE_FREETYPE */
diff --git a/dlls/dwrite/main.c b/dlls/dwrite/main.c
index 1292086..79aa7d0 100644
--- a/dlls/dwrite/main.c
+++ b/dlls/dwrite/main.c
@@ -45,6 +45,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD reason, LPVOID reserved)
         return FALSE;  /* prefer native version */
     case DLL_PROCESS_ATTACH:
         DisableThreadLibraryCalls( hinstDLL );
+        init_freetype();
         break;
     case DLL_PROCESS_DETACH:
         if (reserved) break;