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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/188575">188575</a></dd>
<dt>Author</dt> <dd>mmaxfield@apple.com</dd>
<dt>Date</dt> <dd>2015-08-17 21:55:22 -0700 (Mon, 17 Aug 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[Cocoa] Address post-commit review
https://bugs.webkit.org/show_bug.cgi?id=147864

Reviewed by Darin Adler.

Create helper functions to cast between NSFont*s and CTFontRefs.

No new tests because there is no behavior change.

* platform/graphics/FontPlatformData.h:
(WebCore::toCTFont):
(WebCore::toNSFont):
* platform/graphics/cocoa/FontCacheCoreText.cpp:
* platform/graphics/cocoa/FontCocoa.mm:
(WebCore::Font::platformCreateScaledFont):
(WebCore::Font::compositeFontReferenceFont):
* platform/graphics/mac/FontCacheMac.mm:
(WebCore::FontCache::platformPurgeInactiveFontData):
(WebCore::lookupCTFont):
(WebCore::FontCache::systemFallbackForCharacters):
(WebCore::FontCache::createFontPlatformData):
* platform/mac/DragImageMac.mm:
(WebCore::fontFromNSFont):
(WebCore::widthWithFont):
(WebCore::drawAtPoint):
* platform/spi/mac/NSFontSPI.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsFontPlatformDatah">trunk/Source/WebCore/platform/graphics/FontPlatformData.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscocoaFontCocoamm">trunk/Source/WebCore/platform/graphics/cocoa/FontCocoa.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsmacFontCacheMacmm">trunk/Source/WebCore/platform/graphics/mac/FontCacheMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformmacDragImageMacmm">trunk/Source/WebCore/platform/mac/DragImageMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformspimacNSFontSPIh">trunk/Source/WebCore/platform/spi/mac/NSFontSPI.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/ChangeLog        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -1,3 +1,32 @@
</span><ins>+2015-08-17  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
+
+        [Cocoa] Address post-commit review
+        https://bugs.webkit.org/show_bug.cgi?id=147864
+
+        Reviewed by Darin Adler.
+
+        Create helper functions to cast between NSFont*s and CTFontRefs.
+
+        No new tests because there is no behavior change.
+
+        * platform/graphics/FontPlatformData.h:
+        (WebCore::toCTFont):
+        (WebCore::toNSFont):
+        * platform/graphics/cocoa/FontCacheCoreText.cpp:
+        * platform/graphics/cocoa/FontCocoa.mm:
+        (WebCore::Font::platformCreateScaledFont):
+        (WebCore::Font::compositeFontReferenceFont):
+        * platform/graphics/mac/FontCacheMac.mm:
+        (WebCore::FontCache::platformPurgeInactiveFontData):
+        (WebCore::lookupCTFont):
+        (WebCore::FontCache::systemFallbackForCharacters):
+        (WebCore::FontCache::createFontPlatformData):
+        * platform/mac/DragImageMac.mm:
+        (WebCore::fontFromNSFont):
+        (WebCore::widthWithFont):
+        (WebCore::drawAtPoint):
+        * platform/spi/mac/NSFontSPI.h:
+
</ins><span class="cx"> 2015-08-17  Alex Christensen  &lt;achristensen@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         WinCairo build fix after r188566
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsFontPlatformDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/FontPlatformData.h (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/FontPlatformData.h        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/platform/graphics/FontPlatformData.h        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -244,6 +244,19 @@
</span><span class="cx"> #endif
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+#if USE(APPKIT)
+// NSFonts and CTFontRefs are toll-free-bridged.
+inline CTFontRef toCTFont(NSFont *font)
+{
+    return (CTFontRef)font;
+}
+
+inline NSFont *toNSFont(CTFontRef font)
+{
+    return (NSFont *)font;
+}
+#endif
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // FontPlatformData_h
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscocoaFontCocoamm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/cocoa/FontCocoa.mm (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/cocoa/FontCocoa.mm        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/platform/graphics/cocoa/FontCocoa.mm        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -324,7 +324,7 @@
</span><span class="cx"> #if USE(APPKIT)
</span><span class="cx">     BEGIN_BLOCK_OBJC_EXCEPTIONS;
</span><span class="cx"> 
</span><del>-    FontPlatformData scaledFontData(reinterpret_cast&lt;CTFontRef&gt;([[NSFontManager sharedFontManager] convertFont:m_platformData.nsFont() toSize:size]), size, false, false, m_platformData.orientation());
</del><ins>+    FontPlatformData scaledFontData(toCTFont([[NSFontManager sharedFontManager] convertFont:m_platformData.nsFont() toSize:size]), size, false, false, m_platformData.orientation());
</ins><span class="cx"> 
</span><span class="cx">     if (scaledFontData.font()) {
</span><span class="cx">         NSFontManager *fontManager = [NSFontManager sharedFontManager];
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsmacFontCacheMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/mac/FontCacheMac.mm (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/mac/FontCacheMac.mm        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/platform/graphics/mac/FontCacheMac.mm        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -474,10 +474,10 @@
</span><span class="cx"> 
</span><span class="cx"> void FontCache::platformPurgeInactiveFontData()
</span><span class="cx"> {
</span><del>-    Vector&lt;RetainPtr&lt;CTFontRef&gt;&gt; toRemove;
</del><ins>+    Vector&lt;CTFontRef&gt; toRemove;
</ins><span class="cx">     for (auto&amp; font : fallbackDedupSet()) {
</span><span class="cx">         if (CFGetRetainCount(font.get()) == 1)
</span><del>-            toRemove.append(font);
</del><ins>+            toRemove.append(font.get());
</ins><span class="cx">     }
</span><span class="cx">     for (auto&amp; font : toRemove)
</span><span class="cx">         fallbackDedupSet().remove(font);
</span><span class="lines">@@ -489,7 +489,7 @@
</span><span class="cx"> #if __MAC_OS_X_VERSION_MIN_REQUIRED == 1090
</span><span class="cx">     UNUSED_PARAM(locale);
</span><span class="cx">     if (!font) {
</span><del>-        font = reinterpret_cast&lt;CTFontRef&gt;([NSFont userFontOfSize:fontSize]);
</del><ins>+        font = toCTFont([NSFont userFontOfSize:fontSize]);
</ins><span class="cx">         bool acceptable = true;
</span><span class="cx">         
</span><span class="cx">         RetainPtr&lt;CFCharacterSetRef&gt; characterSet = adoptCF(CTFontCopyCharacterSet(font));
</span><span class="lines">@@ -527,7 +527,7 @@
</span><span class="cx">     // FontCascade::drawGlyphBuffer() requires that there are no duplicate Font objects which refer to the same thing. This is enforced in
</span><span class="cx">     // FontCache::fontForPlatformData(), where our equality check is based on hashing the FontPlatformData, whose hash includes the raw CoreText
</span><span class="cx">     // font pointer.
</span><del>-    NSFont *substituteFont = reinterpret_cast&lt;NSFont *&gt;(const_cast&lt;__CTFont*&gt;(fallbackDedupSet().add(result).iterator-&gt;get()));
</del><ins>+    NSFont *substituteFont = toNSFont(fallbackDedupSet().add(result).iterator-&gt;get());
</ins><span class="cx"> 
</span><span class="cx">     // Use the family name from the AppKit-supplied substitute font, requesting the
</span><span class="cx">     // traits, weight, and size we want. One way this does better than the original
</span><span class="lines">@@ -575,7 +575,7 @@
</span><span class="cx">     substituteFontTraits = [fontManager traitsOfFont:substituteFont];
</span><span class="cx">     substituteFontWeight = [fontManager weightOfFont:substituteFont];
</span><span class="cx"> 
</span><del>-    FontPlatformData alternateFont(reinterpret_cast&lt;CTFontRef&gt;(substituteFont), platformData.size(),
</del><ins>+    FontPlatformData alternateFont(toCTFont(substituteFont), platformData.size(),
</ins><span class="cx">         !isPlatformFont &amp;&amp; isAppKitFontWeightBold(weight) &amp;&amp; !isAppKitFontWeightBold(substituteFontWeight),
</span><span class="cx">         !isPlatformFont &amp;&amp; (traits &amp; NSFontItalicTrait) &amp;&amp; !(substituteFontTraits &amp; NSFontItalicTrait),
</span><span class="cx">         platformData.m_orientation);
</span><span class="lines">@@ -703,7 +703,7 @@
</span><span class="cx">     bool syntheticBold = (fontDescription.fontSynthesis() &amp; FontSynthesisWeight) &amp;&amp; isAppKitFontWeightBold(toAppKitFontWeight(fontDescription.weight())) &amp;&amp; !isAppKitFontWeightBold(actualWeight);
</span><span class="cx">     bool syntheticOblique = (fontDescription.fontSynthesis() &amp; FontSynthesisStyle) &amp;&amp; (traits &amp; NSFontItalicTrait) &amp;&amp; !(actualTraits &amp; NSFontItalicTrait);
</span><span class="cx"> 
</span><del>-    return std::make_unique&lt;FontPlatformData&gt;(reinterpret_cast&lt;CTFontRef&gt;(platformFont), size, syntheticBold, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant());
</del><ins>+    return std::make_unique&lt;FontPlatformData&gt;(toCTFont(platformFont), size, syntheticBold, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacDragImageMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/DragImageMac.mm (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/DragImageMac.mm        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/platform/mac/DragImageMac.mm        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -168,7 +168,7 @@
</span><span class="cx">         CFRelease(currentFont);
</span><span class="cx">     currentFont = font;
</span><span class="cx">     CFRetain(currentFont);
</span><del>-    currentRenderer = FontCascade(FontPlatformData(reinterpret_cast&lt;CTFontRef&gt;(font), [font pointSize]));
</del><ins>+    currentRenderer = FontCascade(FontPlatformData(toCTFont(font), [font pointSize]));
</ins><span class="cx">     return currentRenderer;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -191,7 +191,7 @@
</span><span class="cx">     [string getCharacters:buffer.data()];
</span><span class="cx">     
</span><span class="cx">     if (canUseFastRenderer(buffer.data(), length)) {
</span><del>-        FontCascade webCoreFont(FontPlatformData(reinterpret_cast&lt;CTFontRef&gt;(font), [font pointSize]));
</del><ins>+        FontCascade webCoreFont(FontPlatformData(toCTFont(font), [font pointSize]));
</ins><span class="cx">         TextRun run(StringView(buffer.data(), length));
</span><span class="cx">         run.disableRoundingHacks();
</span><span class="cx">         return webCoreFont.width(run);
</span><span class="lines">@@ -223,7 +223,7 @@
</span><span class="cx">         if (!flipped)
</span><span class="cx">             CGContextScaleCTM(cgContext, 1, -1);
</span><span class="cx">             
</span><del>-        FontCascade webCoreFont(FontPlatformData(reinterpret_cast&lt;CTFontRef&gt;(font), [font pointSize]), Antialiased);
</del><ins>+        FontCascade webCoreFont(FontPlatformData(toCTFont(font), [font pointSize]), Antialiased);
</ins><span class="cx">         TextRun run(StringView(buffer.data(), length));
</span><span class="cx">         run.disableRoundingHacks();
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformspimacNSFontSPIh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/spi/mac/NSFontSPI.h (188574 => 188575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/spi/mac/NSFontSPI.h        2015-08-18 04:13:57 UTC (rev 188574)
+++ trunk/Source/WebCore/platform/spi/mac/NSFontSPI.h        2015-08-18 04:55:22 UTC (rev 188575)
</span><span class="lines">@@ -34,7 +34,7 @@
</span><span class="cx"> 
</span><span class="cx"> #else
</span><span class="cx"> 
</span><del>-@interface NSFont (Private)
</del><ins>+@interface NSFont ()
</ins><span class="cx"> + (NSFont *)systemFontOfSize:(CGFloat)size weight:(CGFloat)weight;
</span><span class="cx"> @end
</span><span class="cx"> 
</span></span></pre>
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