Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 143 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/win/FontPlatformDataCairoWin.cpp b/Source/WebCore/platform/graphics/win/FontPlatformDataCairoWin.cpp
new file mode 100644
index 0000000..0f5c365
--- /dev/null
+++ b/Source/WebCore/platform/graphics/win/FontPlatformDataCairoWin.cpp
@@ -0,0 +1,143 @@
+/*
+ * 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 Apple Inc.
+ * Copyright (C) 2007 Alp Toker
+ * Copyright (C) 2008, 2010 Brent Fulgham
+ *
+ * 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 <wtf/HashMap.h>
+#include <wtf/RetainPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+#include <cairo-win32.h>
+
+using namespace std;
+
+namespace WebCore {
+
+void FontPlatformData::platformDataInit(HFONT font, float size, HDC hdc, WCHAR* faceName)
+{
+    m_fontFace = cairo_win32_font_face_create_for_hfont(font);
+
+    cairo_matrix_t sizeMatrix, ctm;
+    cairo_matrix_init_identity(&ctm);
+    cairo_matrix_init_scale(&sizeMatrix, size, size);
+
+    static cairo_font_options_t* fontOptions = 0;
+    if (!fontOptions) {
+       fontOptions = cairo_font_options_create();
+       cairo_font_options_set_antialias(fontOptions, CAIRO_ANTIALIAS_SUBPIXEL);
+    }
+
+    m_scaledFont = cairo_scaled_font_create(m_fontFace, &sizeMatrix, &ctm, fontOptions);
+}
+
+FontPlatformData::FontPlatformData(cairo_font_face_t* fontFace, float size, bool bold, bool oblique)
+    : m_font(0)
+    , m_size(size)
+    , m_fontFace(fontFace)
+    , m_scaledFont(0)
+    , m_syntheticBold(bold)
+    , m_syntheticOblique(oblique)
+    , m_useGDI(false)
+{
+   cairo_matrix_t fontMatrix;
+   cairo_matrix_init_scale(&fontMatrix, size, size);
+   cairo_matrix_t ctm;
+   cairo_matrix_init_identity(&ctm);
+   cairo_font_options_t* options = cairo_font_options_create();
+
+   // We force antialiasing and disable hinting to provide consistent
+   // typographic qualities for custom fonts on all platforms.
+   cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
+   cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
+
+   m_scaledFont = cairo_scaled_font_create(fontFace, &fontMatrix, &ctm, options);
+   cairo_font_options_destroy(options);
+}
+
+FontPlatformData::FontPlatformData(const FontPlatformData& source)
+    : m_font(source.m_font)
+    , m_size(source.m_size)
+    , m_fontFace(0)
+    , m_scaledFont(0)
+    , m_syntheticBold(source.m_syntheticBold)
+    , m_syntheticOblique(source.m_syntheticOblique)
+    , m_useGDI(source.m_useGDI)
+{
+    if (source.m_fontFace)
+        m_fontFace = cairo_font_face_reference(source.m_fontFace);
+
+    if (source.m_scaledFont)
+        m_scaledFont = cairo_scaled_font_reference(source.m_scaledFont);
+}
+
+
+FontPlatformData::~FontPlatformData()
+{
+    cairo_scaled_font_destroy(m_scaledFont);
+    cairo_font_face_destroy(m_fontFace);
+}
+
+FontPlatformData& FontPlatformData::operator=(const FontPlatformData& other)
+{
+    // Check for self-assignment.
+    if (this == &other)
+        return *this;
+
+    m_font = other.m_font;
+    m_size = other.m_size;
+    m_syntheticBold = other.m_syntheticBold;
+    m_syntheticOblique = other.m_syntheticOblique;
+    m_useGDI = other.m_useGDI;
+
+    if (other.m_fontFace)
+        cairo_font_face_reference(other.m_fontFace);
+    if (m_fontFace)
+        cairo_font_face_destroy(m_fontFace);
+    m_fontFace = other.m_fontFace;
+
+    if (other.m_scaledFont)
+        cairo_scaled_font_reference(other.m_scaledFont);
+    if (m_scaledFont)
+        cairo_scaled_font_destroy(m_scaledFont);
+    m_scaledFont = other.m_scaledFont;
+
+    return *this;
+}
+
+bool FontPlatformData::operator==(const FontPlatformData& other) const
+{ 
+    return m_font == other.m_font
+        && m_fontFace == other.m_fontFace
+        && m_scaledFont == other.m_scaledFont
+        && m_size == other.m_size
+        && m_syntheticBold == other.m_syntheticBold
+        && m_syntheticOblique == other.m_syntheticOblique
+        && m_useGDI == other.m_useGDI;
+}
+
+}