Merge FontPlatformDataHarfBuzz and FontPlatformData headers

Source/platform/fonts/cocoa/FontPlatformDataCocoa.mm

 /*
  * This file is part of the internal font implementation.
  *
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (c) 2010 Google Inc. All rights reserved.
  *
  * 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.
@@ skipping 17 matching lines @@
 #import <AvailabilityMacros.h>
 #import <wtf/text/WTFString.h>
 
 #if OS(MACOSX)
 #import "platform/fonts/harfbuzz/HarfBuzzFace.h"
 #include "third_party/skia/include/ports/SkTypeface_mac.h"
 #endif
 
 namespace blink {
 
+unsigned FontPlatformData::hash() const
+{
+    ASSERT(m_font || !m_cgFont);
+    uintptr_t hashCodes[3] = { (uintptr_t)m_font, m_widthVariant, static_cast<uintptr_t>(m_isHashTableDeletedValue << 3 | m_orientation << 2 | m_syntheticBold << 1 | m_syntheticItalic) };
+    return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
+}
+
 // These CoreText Text Spacing feature selectors are not defined in CoreText.
 enum TextSpacingCTFeatureSelector { TextSpacingProportional, TextSpacingFullWidth, TextSpacingHalfWidth, TextSpacingThirdWidth, TextSpacingQuarterWidth };
 
-FontPlatformData::FontPlatformData(NSFont *nsFont, float size, bool syntheticBold, bool syntheticOblique, FontOrientation orientation, FontWidthVariant widthVariant)
-    : m_syntheticBold(syntheticBold)
-    , m_syntheticOblique(syntheticOblique)
+FontPlatformData::FontPlatformData(NSFont *nsFont, float size, bool syntheticBold, bool syntheticItalic, FontOrientation orientation, FontWidthVariant widthVariant)
+    : m_textSize(size)
+    , m_syntheticBold(syntheticBold)
+    , m_syntheticItalic(syntheticItalic)
     , m_orientation(orientation)
-    , m_size(size)
+    , m_isColorBitmapFont(false)
+    , m_isCompositeFontReference(false)
     , m_widthVariant(widthVariant)
     , m_font(nsFont)
-    , m_isColorBitmapFont(false)
-    , m_isCompositeFontReference(false)
+    , m_isHashTableDeletedValue(false)
 {
     ASSERT_ARG(nsFont, nsFont);
 
     CGFontRef cgFont = 0;
     loadFont(nsFont, size, m_font, cgFont);
 
 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
     // FIXME: Chromium: The following code isn't correct for the Chromium port since the sandbox might
     // have blocked font loading, in which case we'll only have the real loaded font file after the call to loadFont().
     {
@@ skipping 62 matching lines @@
     ASSERT_ARG(font, font);
     ASSERT(m_font != reinterpret_cast<NSFont *>(-1));
 
     if (m_font == font)
         return;
 
     CFRetain(font);
     if (m_font)
         CFRelease(m_font);
     m_font = font;
-    m_size = [font pointSize];
+    m_textSize = [font pointSize];
 
     CGFontRef cgFont = 0;
     NSFont* loadedFont = 0;
-    loadFont(m_font, m_size, loadedFont, cgFont);
+    loadFont(m_font, m_textSize, loadedFont, cgFont);
 
 #if OS(MACOSX)
     // If loadFont replaced m_font with a fallback font, then release the
     // previous font to counter the retain above. Then retain the new font.
     if (loadedFont != m_font) {
         CFRelease(m_font);
         CFRetain(loadedFont);
         m_font = loadedFont;
     }
 #endif
@@ skipping 93 matching lines @@
 {
     return String(CTFontCopyDisplayName(ctFont()));
 }
 
 CTFontRef FontPlatformData::ctFont() const
 {
     if (m_CTFont)
         return m_CTFont.get();
 
     if (m_inMemoryFont) {
-        m_CTFont.adoptCF(CTFontCreateWithGraphicsFont(m_inMemoryFont->cgFont(), m_size, 0, cascadeToLastResortFontDescriptor()));
+        m_CTFont.adoptCF(CTFontCreateWithGraphicsFont(m_inMemoryFont->cgFont(), m_textSize, 0, cascadeToLastResortFontDescriptor()));
         return m_CTFont.get();
     }
 
     m_CTFont = toCTFontRef(m_font);
     if (m_CTFont) {
         CTFontDescriptorRef fontDescriptor;
         RetainPtr<CFStringRef> postScriptName(AdoptCF, CTFontCopyPostScriptName(m_CTFont.get()));
         // Hoefler Text Italic has line-initial and -final swashes enabled by default, so disable them.
         if (CFEqual(postScriptName.get(), CFSTR("HoeflerText-Italic")) || CFEqual(postScriptName.get(), CFSTR("HoeflerText-BlackItalic")))
             fontDescriptor = cascadeToLastResortAndDisableSwashesFontDescriptor();
         else
             fontDescriptor = cascadeToLastResortFontDescriptor();
-        m_CTFont.adoptCF(CTFontCreateCopyWithAttributes(m_CTFont.get(), m_size, 0, fontDescriptor));
+        m_CTFont.adoptCF(CTFontCreateCopyWithAttributes(m_CTFont.get(), m_textSize, 0, fontDescriptor));
     } else
-        m_CTFont.adoptCF(CTFontCreateWithGraphicsFont(m_cgFont.get(), m_size, 0, cascadeToLastResortFontDescriptor()));
+        m_CTFont.adoptCF(CTFontCreateWithGraphicsFont(m_cgFont.get(), m_textSize, 0, cascadeToLastResortFontDescriptor()));
 
     if (m_widthVariant != RegularWidth) {
         int featureTypeValue = kTextSpacingType;
         int featureSelectorValue = mapFontWidthVariantToCTFeatureSelector(m_widthVariant);
         RetainPtr<CTFontDescriptorRef> sourceDescriptor(AdoptCF, CTFontCopyFontDescriptor(m_CTFont.get()));
         RetainPtr<CFNumberRef> featureType(AdoptCF, CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &featureTypeValue));
         RetainPtr<CFNumberRef> featureSelector(AdoptCF, CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &featureSelectorValue));
         RetainPtr<CTFontDescriptorRef> newDescriptor(AdoptCF, CTFontDescriptorCreateCopyWithFeature(sourceDescriptor.get(), featureType.get(), featureSelector.get()));
-        RetainPtr<CTFontRef> newFont(AdoptCF, CTFontCreateWithFontDescriptor(newDescriptor.get(), m_size, 0));
+        RetainPtr<CTFontRef> newFont(AdoptCF, CTFontCreateWithFontDescriptor(newDescriptor.get(), m_textSize, 0));
 
         if (newFont)
             m_CTFont = newFont;
     }
 
     return m_CTFont.get();
 }
 
-SkTypeface* FontPlatformData::typeface() const{
+SkTypeface* FontPlatformData::typeface() const {
     if (m_typeface)
         return m_typeface.get();
 
     m_typeface = adoptRef(SkCreateTypefaceFromCTFont(ctFont()));
     return m_typeface.get();
 }
 
 #if OS(MACOSX)
 static bool isAATFont(CTFontRef ctFont)
 {
     CFDataRef table = CTFontCopyTable(ctFont, kCTFontTableMort, 0);
     if (table) {
         CFRelease(table);
         return true;
     }
     table = CTFontCopyTable(ctFont, kCTFontTableMorx, 0);
     if (table) {
         CFRelease(table);
         return true;
     }
     return false;
 }
+#endif
 
-HarfBuzzFace* FontPlatformData::harfBuzzFace()
+HarfBuzzFace* FontPlatformData::harfBuzzFace() const
 {
     CTFontRef font = ctFont();
     // HarfBuzz can't handle AAT font
     if (isAATFont(font))
         return 0;
 
     if (!m_harfBuzzFace) {
         uint64_t uniqueID = reinterpret_cast<uintptr_t>(font);
         m_harfBuzzFace = HarfBuzzFace::create(const_cast<FontPlatformData*>(this), uniqueID);
     }
     return m_harfBuzzFace.get();
 }
-#endif
 
 #ifndef NDEBUG
 String FontPlatformData::description() const
 {
     RetainPtr<CFStringRef> cgFontDescription(AdoptCF, CFCopyDescription(cgFont()));
-    return String(cgFontDescription.get()) + " " + String::number(m_size)
-            + (m_syntheticBold ? " synthetic bold" : "") + (m_syntheticOblique ? " synthetic oblique" : "") + (m_orientation ? " vertical orientation" : "");
+    return String(cgFontDescription.get()) + " " + String::number(m_textSize)
+            + (m_syntheticBold ? " synthetic bold" : "") + (m_syntheticItalic ? " synthetic oblique" : "") + (m_orientation ? " vertical orientation" : "");
 }
 #endif
 
 } // namespace blink