Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 131 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/win/FontPlatformDataCGWin.cpp b/Source/WebCore/platform/graphics/win/FontPlatformDataCGWin.cpp
new file mode 100644
index 0000000..9234229
--- /dev/null
+++ b/Source/WebCore/platform/graphics/win/FontPlatformDataCGWin.cpp
@@ -0,0 +1,131 @@
+/*
+ * This file is part of the internal font implementation. It should not be included by anyone other than
+ * FontMac.cpp, FontWin.cpp and Font.cpp.
+ *
+ * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "FontPlatformData.h"
+
+#include "PlatformString.h"
+#include <ApplicationServices/ApplicationServices.h>
+#include <WebKitSystemInterface/WebKitSystemInterface.h>
+#include <wtf/HashMap.h>
+#include <wtf/RetainPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+using std::min;
+
+namespace WebCore {
+
+static inline USHORT readBigEndianWord(const BYTE* word) { return (word[0] << 8) | word[1]; }
+
+static CFStringRef getPostScriptName(CFStringRef faceName, HDC dc)
+{
+    const DWORD cMaxNameTableSize = 1024 * 1024;
+
+    static HashMap<String, RetainPtr<CFStringRef> > nameMap;
+
+    // Check our hash first.
+    String faceString(faceName);
+    RetainPtr<CFStringRef> result = nameMap.get(faceString);
+    if (result)
+        return result.get();
+
+    // We need to obtain the PostScript name from the name table and use it instead,.
+    DWORD bufferSize = GetFontData(dc, 'eman', 0, NULL, 0); // "name" backwards
+    if (bufferSize == 0 || bufferSize == GDI_ERROR || bufferSize > cMaxNameTableSize)
+        return NULL;
+   
+    Vector<BYTE> bufferVector(bufferSize);
+    BYTE* buffer = bufferVector.data();
+    if (GetFontData(dc, 'eman', 0, buffer, bufferSize) == GDI_ERROR)
+        return NULL;
+
+    if (bufferSize < 6)
+        return NULL;
+
+    USHORT numberOfRecords = readBigEndianWord(buffer + 2);
+    UINT stringsOffset = readBigEndianWord(buffer + 4);
+    if (bufferSize < stringsOffset)
+        return NULL;
+
+    BYTE* strings = buffer + stringsOffset;
+
+    // Now walk each name record looking for a Mac or Windows PostScript name.
+    UINT offset = 6;
+    for (int i = 0; i < numberOfRecords; i++) {
+        if (bufferSize < offset + 12)
+            return NULL;
+
+        USHORT platformID = readBigEndianWord(buffer + offset);
+        USHORT encodingID = readBigEndianWord(buffer + offset + 2);
+        USHORT languageID = readBigEndianWord(buffer + offset + 4);
+        USHORT nameID = readBigEndianWord(buffer + offset + 6);
+        USHORT length = readBigEndianWord(buffer + offset + 8);
+        USHORT nameOffset = readBigEndianWord(buffer + offset + 10);
+
+        if (platformID == 3 && encodingID == 1 && languageID == 0x409 && nameID == 6) {
+            // This is a Windows PostScript name and is therefore UTF-16.
+            // Pass Big Endian as the encoding.
+            if (bufferSize < stringsOffset + nameOffset + length)
+                return NULL;
+            result.adoptCF(CFStringCreateWithBytes(NULL, strings + nameOffset, length, kCFStringEncodingUTF16BE, false));
+            break;
+        } else if (platformID == 1 && encodingID == 0 && languageID == 0 && nameID == 6) {
+            // This is a Mac PostScript name and is therefore ASCII.
+            // See http://developer.apple.com/textfonts/TTRefMan/RM06/Chap6name.html
+            if (bufferSize < stringsOffset + nameOffset + length)
+                return NULL;
+            result.adoptCF(CFStringCreateWithBytes(NULL, strings + nameOffset, length, kCFStringEncodingASCII, false));
+            break;
+        }
+
+        offset += 12;
+    }
+
+    if (result)
+        nameMap.set(faceString, result);
+    return result.get();
+}
+
+void FontPlatformData::platformDataInit(HFONT font, float size, HDC hdc, WCHAR* faceName)
+{
+    LOGFONT logfont;
+    GetObject(font, sizeof(logfont), &logfont);
+    m_cgFont.adoptCF(CGFontCreateWithPlatformFont(&logfont));
+}
+
+FontPlatformData::FontPlatformData(HFONT hfont, CGFontRef font, float size, bool bold, bool oblique, bool useGDI)
+    : m_font(RefCountedGDIHandle<HFONT>::create(hfont))
+    , m_size(size)
+    , m_cgFont(font)
+    , m_syntheticBold(bold)
+    , m_syntheticOblique(oblique)
+    , m_useGDI(useGDI)
+{
+}
+
+FontPlatformData::~FontPlatformData()
+{
+}
+
+}