Title: [285552] trunk/Source/WebCore
Revision
285552
Author
mmaxfi...@apple.com
Date
2021-11-09 17:57:55 -0800 (Tue, 09 Nov 2021)

Log Message

[Cocoa] Migrate from CTFontCopyVariationAxes() to CTFontCopyVariationAxesInternal() if possible
https://bugs.webkit.org/show_bug.cgi?id=232690

Reviewed by Simon Fraser and Cameron McCormack.

Source/WebCore:

CTFontCopyVariationAxesInternal() is faster than CTFontCopyVariationAxes(), but the strings
it provides are not localized. Luckily, we don't actually use the strings in the common case,
so we can migrate to CTFontCopyVariationAxesInternal() safely.

No new tests because there is no behavior change.

* Headers.cmake:
* WebCore.xcodeproj/project.pbxproj:
* inspector/agents/InspectorCSSAgent.cpp:
(WebCore::buildObjectForFont):
* platform/graphics/FontPlatformData.cpp:
(WebCore::FontPlatformData::variationAxes const):
* platform/graphics/FontPlatformData.h:
* platform/graphics/ShouldLocalizeAxisNames.h: Added.
* platform/graphics/cocoa/FontCacheCoreText.cpp:
(WebCore::variationAxes):
(WebCore::defaultVariationValues):
(WebCore::preparePlatformFont):
(WebCore::variationCapabilitiesForFontDescriptor):
* platform/graphics/cocoa/FontCacheCoreText.h:
* platform/graphics/cocoa/FontPlatformDataCocoa.mm:
(WebCore::FontPlatformData::variationAxes const):

Source/WebCore/PAL:

* pal/spi/cf/CoreTextSPI.h:

Modified Paths

Added Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (285551 => 285552)


--- trunk/Source/WebCore/ChangeLog	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/ChangeLog	2021-11-10 01:57:55 UTC (rev 285552)
@@ -1,3 +1,33 @@
+2021-11-09  Myles C. Maxfield  <mmaxfi...@apple.com>
+
+        [Cocoa] Migrate from CTFontCopyVariationAxes() to CTFontCopyVariationAxesInternal() if possible
+        https://bugs.webkit.org/show_bug.cgi?id=232690
+
+        Reviewed by Simon Fraser and Cameron McCormack.
+
+        CTFontCopyVariationAxesInternal() is faster than CTFontCopyVariationAxes(), but the strings
+        it provides are not localized. Luckily, we don't actually use the strings in the common case,
+        so we can migrate to CTFontCopyVariationAxesInternal() safely.
+
+        No new tests because there is no behavior change.
+
+        * Headers.cmake:
+        * WebCore.xcodeproj/project.pbxproj:
+        * inspector/agents/InspectorCSSAgent.cpp:
+        (WebCore::buildObjectForFont):
+        * platform/graphics/FontPlatformData.cpp:
+        (WebCore::FontPlatformData::variationAxes const):
+        * platform/graphics/FontPlatformData.h:
+        * platform/graphics/ShouldLocalizeAxisNames.h: Added.
+        * platform/graphics/cocoa/FontCacheCoreText.cpp:
+        (WebCore::variationAxes):
+        (WebCore::defaultVariationValues):
+        (WebCore::preparePlatformFont):
+        (WebCore::variationCapabilitiesForFontDescriptor):
+        * platform/graphics/cocoa/FontCacheCoreText.h:
+        * platform/graphics/cocoa/FontPlatformDataCocoa.mm:
+        (WebCore::FontPlatformData::variationAxes const):
+
 2021-11-09  Dean Jackson  <d...@apple.com>
 
         [WebXR] three.js demos don't work

Modified: trunk/Source/WebCore/Headers.cmake (285551 => 285552)


--- trunk/Source/WebCore/Headers.cmake	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/Headers.cmake	2021-11-10 01:57:55 UTC (rev 285552)
@@ -1374,6 +1374,7 @@
     platform/graphics/RenderingResourceIdentifier.h
     platform/graphics/RenderingMode.h
     platform/graphics/RoundedRect.h
+    platform/graphics/ShouldLocalizeAxisNames.h
     platform/graphics/SourceBufferPrivate.h
     platform/graphics/SourceBufferPrivateClient.h
     platform/graphics/StringTruncator.h

Modified: trunk/Source/WebCore/PAL/ChangeLog (285551 => 285552)


--- trunk/Source/WebCore/PAL/ChangeLog	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/PAL/ChangeLog	2021-11-10 01:57:55 UTC (rev 285552)
@@ -1,3 +1,12 @@
+2021-11-09  Myles C. Maxfield  <mmaxfi...@apple.com>
+
+        [Cocoa] Migrate from CTFontCopyVariationAxes() to CTFontCopyVariationAxesInternal() if possible
+        https://bugs.webkit.org/show_bug.cgi?id=232690
+
+        Reviewed by Simon Fraser and Cameron McCormack.
+
+        * pal/spi/cf/CoreTextSPI.h:
+
 2021-11-09  Devin Rousso  <drou...@apple.com>
 
         REGRESSION(r271735): PaymentShippingOption.selected ignored

Modified: trunk/Source/WebCore/PAL/pal/spi/cf/CoreTextSPI.h (285551 => 285552)


--- trunk/Source/WebCore/PAL/pal/spi/cf/CoreTextSPI.h	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/PAL/pal/spi/cf/CoreTextSPI.h	2021-11-10 01:57:55 UTC (rev 285552)
@@ -169,6 +169,7 @@
 CTFontRef CTFontCreateForCharactersWithLanguageAndOption(CTFontRef currentFont, const UTF16Char *characters, CFIndex length, CFStringRef language, CTFontFallbackOption, CFIndex *coveredLength);
 CTFontRef CTFontCopyPhysicalFont(CTFontRef);
 CTFontSymbolicTraits CTFontGetPhysicalSymbolicTraits(CTFontRef);
+CFArrayRef CTFontCopyVariationAxesInternal(CTFontRef);
 
 extern const CFStringRef kCTUIFontTextStyleShortHeadline;
 extern const CFStringRef kCTUIFontTextStyleShortBody;

Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (285551 => 285552)


--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2021-11-10 01:57:55 UTC (rev 285552)
@@ -629,6 +629,7 @@
 		1C26671B26FA932F00117073 /* FontCreationContext.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C26671926FA7F2E00117073 /* FontCreationContext.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		1C43DE6B22AB4B8A001527D9 /* LocalCurrentTraitCollection.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C43DE6822AB4B8A001527D9 /* LocalCurrentTraitCollection.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		1C4D0DD324D9F10D003D7498 /* GlyphBufferMembers.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C4D0DD124D9F0DB003D7498 /* GlyphBufferMembers.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		1C4DB02627339FE0007B0AD1 /* ShouldLocalizeAxisNames.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C4DB02427339E5E007B0AD1 /* ShouldLocalizeAxisNames.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		1C5E1DA826F94B9000E07AF1 /* FontPaletteValues.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C5E1DA626F949B900E07AF1 /* FontPaletteValues.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		1C6626111C6E7CA600AB527C /* FontFace.h in Headers */ = {isa = PBXBuildFile; fileRef = 1C66260F1C6E7CA600AB527C /* FontFace.h */; };
 		1C73A7132185757E004CCEA5 /* TextUnderlineOffset.h in Headers */ = {isa = PBXBuildFile; fileRef = 1CB6B4FB217B83940093B9CD /* TextUnderlineOffset.h */; settings = {ATTRIBUTES = (Private, ); }; };
@@ -7092,6 +7093,7 @@
 		1C43DE6A22AB4B8A001527D9 /* LocalCurrentTraitCollection.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = LocalCurrentTraitCollection.mm; sourceTree = "<group>"; };
 		1C4674FD26F4843600B61273 /* FontPalette.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FontPalette.h; sourceTree = "<group>"; };
 		1C4D0DD124D9F0DB003D7498 /* GlyphBufferMembers.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GlyphBufferMembers.h; sourceTree = "<group>"; };
+		1C4DB02427339E5E007B0AD1 /* ShouldLocalizeAxisNames.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ShouldLocalizeAxisNames.h; sourceTree = "<group>"; };
 		1C50C49522C84F2400A6E4BE /* WHLSLStandardLibraryFunctionMap.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = WHLSLStandardLibraryFunctionMap.cpp; sourceTree = "<group>"; };
 		1C5E1DA626F949B900E07AF1 /* FontPaletteValues.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FontPaletteValues.h; sourceTree = "<group>"; };
 		1C66260E1C6E7CA600AB527C /* FontFace.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = FontFace.cpp; sourceTree = "<group>"; };
@@ -27990,6 +27992,7 @@
 				A73F95FD12C97BFE0031AAF9 /* RoundedRect.h */,
 				0F3DD44D12F5EA1B000D9190 /* ShadowBlur.cpp */,
 				0F3DD44E12F5EA1B000D9190 /* ShadowBlur.h */,
+				1C4DB02427339E5E007B0AD1 /* ShouldLocalizeAxisNames.h */,
 				1DD127AC256E3A8700B227D7 /* SourceBufferPrivate.cpp */,
 				CD641EB21818F5ED00EE4C41 /* SourceBufferPrivate.h */,
 				CDC8B5AC1804AE5D0016E685 /* SourceBufferPrivateClient.h */,
@@ -36009,6 +36012,7 @@
 				CD36C16B260A65CC00C8C529 /* SharedRoutingArbitrator.h in Headers */,
 				834DFAD01F7DAE5D00C2725B /* SharedStringHash.h in Headers */,
 				93309EA3099EB78C0056E581 /* SharedTimer.h in Headers */,
+				1C4DB02627339FE0007B0AD1 /* ShouldLocalizeAxisNames.h in Headers */,
 				DF19E2AC24772BC1007BDACB /* ShouldRelaxThirdPartyCookieBlocking.h in Headers */,
 				8362E8C120CEF9CB00245886 /* ShouldTreatAsContinuingLoad.h in Headers */,
 				9316DDFB240C64B4009340AA /* SimpleRange.h in Headers */,

Modified: trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp (285551 => 285552)


--- trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/inspector/agents/InspectorCSSAgent.cpp	2021-11-10 01:57:55 UTC (rev 285552)
@@ -575,7 +575,7 @@
 static Ref<Protocol::CSS::Font> buildObjectForFont(const Font& font)
 {
     auto resultVariationAxes = JSON::ArrayOf<Protocol::CSS::FontVariationAxis>::create();
-    for (auto& variationAxis : font.platformData().variationAxes()) {
+    for (auto& variationAxis : font.platformData().variationAxes(ShouldLocalizeAxisNames::Yes)) {
         auto axis = Protocol::CSS::FontVariationAxis::create()
             .setTag(variationAxis.tag())
             .setMinimumValue(variationAxis.minimumValue())

Modified: trunk/Source/WebCore/platform/graphics/FontPlatformData.cpp (285551 => 285552)


--- trunk/Source/WebCore/platform/graphics/FontPlatformData.cpp	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/platform/graphics/FontPlatformData.cpp	2021-11-10 01:57:55 UTC (rev 285552)
@@ -82,7 +82,7 @@
 #endif
 
 #if !PLATFORM(COCOA)
-Vector<FontPlatformData::FontVariationAxis> FontPlatformData::variationAxes() const
+Vector<FontPlatformData::FontVariationAxis> FontPlatformData::variationAxes(ShouldLocalizeAxisNames) const
 {
     // FIXME: <webkit.org/b/219614> Not implemented yet.
     return { };

Modified: trunk/Source/WebCore/platform/graphics/FontPlatformData.h (285551 => 285552)


--- trunk/Source/WebCore/platform/graphics/FontPlatformData.h	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/platform/graphics/FontPlatformData.h	2021-11-10 01:57:55 UTC (rev 285552)
@@ -25,6 +25,7 @@
 #pragma once
 
 #include "SharedBuffer.h"
+#include "ShouldLocalizeAxisNames.h"
 #include "TextFlags.h"
 #include <wtf/Forward.h>
 #include <wtf/RetainPtr.h>
@@ -179,7 +180,7 @@
     bool isForTextCombine() const { return widthVariant() != FontWidthVariant::RegularWidth; } // Keep in sync with callers of FontDescription::setWidthVariant().
 
     String familyName() const;
-    Vector<FontVariationAxis> variationAxes() const;
+    Vector<FontVariationAxis> variationAxes(ShouldLocalizeAxisNames) const;
 
 #if USE(CAIRO)
     cairo_scaled_font_t* scaledFont() const { return m_scaledFont.get(); }

Added: trunk/Source/WebCore/platform/graphics/ShouldLocalizeAxisNames.h (0 => 285552)


--- trunk/Source/WebCore/platform/graphics/ShouldLocalizeAxisNames.h	                        (rev 0)
+++ trunk/Source/WebCore/platform/graphics/ShouldLocalizeAxisNames.h	2021-11-10 01:57:55 UTC (rev 285552)
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <cstdint>
+
+namespace WebCore {
+
+enum class ShouldLocalizeAxisNames : uint8_t {
+    No,
+    Yes
+};
+
+}

Modified: trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp (285551 => 285552)


--- trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.cpp	2021-11-10 01:57:55 UTC (rev 285552)
@@ -300,10 +300,25 @@
     return CFStringGetLength(fontName) > 0 && CFStringGetCharacterAtIndex(fontName, 0) == '.';
 }
 
-VariationDefaultsMap defaultVariationValues(CTFontRef font)
+static RetainPtr<CFArrayRef> variationAxes(CTFontRef font, ShouldLocalizeAxisNames shouldLocalizeAxisNames)
 {
+#if defined(HAVE_CTFontCopyVariationAxesInternal) // This macro is defined inside CoreText, not WebKit.
+    if (shouldLocalizeAxisNames == ShouldLocalizeAxisNames::Yes)
+        return adoptCF(CTFontCopyVariationAxes(font));
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunguarded-availability-new"
+    return adoptCF(CTFontCopyVariationAxesInternal(font));
+#pragma clang diagnostic pop
+#else
+    UNUSED_PARAM(shouldLocalizeAxisNames);
+    return adoptCF(CTFontCopyVariationAxes(font));
+#endif
+}
+
+VariationDefaultsMap defaultVariationValues(CTFontRef font, ShouldLocalizeAxisNames shouldLocalizeAxisNames)
+{
     VariationDefaultsMap result;
-    auto axes = adoptCF(CTFontCopyVariationAxes(font));
+    auto axes = variationAxes(font, shouldLocalizeAxisNames);
     if (!axes)
         return result;
     auto size = CFArrayGetCount(axes.get());
@@ -518,7 +533,7 @@
 
     auto fontOpticalSizing = fontDescription.opticalSizing();
 
-    auto defaultValues = defaultVariationValues(originalFont);
+    auto defaultValues = defaultVariationValues(originalFont, ShouldLocalizeAxisNames::No);
 
     auto fontSelectionRequest = fontDescription.fontSelectionRequest();
     auto fontStyleAxis = fontDescription.fontStyleAxis();
@@ -1021,7 +1036,7 @@
         return result;
 
     auto font = adoptCF(CTFontCreateWithFontDescriptor(fontDescriptor, 0, nullptr));
-    auto variations = adoptCF(CTFontCopyVariationAxes(font.get()));
+    auto variations = variationAxes(font.get(), ShouldLocalizeAxisNames::No);
     if (!variations)
         return result;
 

Modified: trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.h (285551 => 285552)


--- trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.h	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/platform/graphics/cocoa/FontCacheCoreText.h	2021-11-10 01:57:55 UTC (rev 285552)
@@ -29,6 +29,7 @@
 #pragma once
 
 #include "FontDescription.h"
+#include "ShouldLocalizeAxisNames.h"
 
 #include <CoreText/CTFont.h>
 
@@ -72,5 +73,5 @@
 void addAttributesForWebFonts(CFMutableDictionaryRef attributes, AllowUserInstalledFonts);
 RetainPtr<CFSetRef> installedFontMandatoryAttributes(AllowUserInstalledFonts);
 
-VariationDefaultsMap defaultVariationValues(CTFontRef);
+VariationDefaultsMap defaultVariationValues(CTFontRef, ShouldLocalizeAxisNames);
 }

Modified: trunk/Source/WebCore/platform/graphics/cocoa/FontPlatformDataCocoa.mm (285551 => 285552)


--- trunk/Source/WebCore/platform/graphics/cocoa/FontPlatformDataCocoa.mm	2021-11-10 01:39:23 UTC (rev 285551)
+++ trunk/Source/WebCore/platform/graphics/cocoa/FontPlatformDataCocoa.mm	2021-11-10 01:57:55 UTC (rev 285552)
@@ -62,7 +62,7 @@
     return nullptr;
 }
 
-Vector<FontPlatformData::FontVariationAxis> FontPlatformData::variationAxes() const
+Vector<FontPlatformData::FontVariationAxis> FontPlatformData::variationAxes(ShouldLocalizeAxisNames shouldLocalizeAxisNames) const
 {
     auto platformFont = ctFont();
     if (!platformFont)
@@ -69,7 +69,7 @@
         return { };
     
     Vector<FontVariationAxis> results;
-    for (auto& [tag, values] : defaultVariationValues(platformFont))
+    for (auto& [tag, values] : defaultVariationValues(platformFont, shouldLocalizeAxisNames))
         results.append(FontPlatformData::FontVariationAxis(values.axisName, String(tag.data(), tag.size()), values.defaultValue, values.minimumValue, values.maximumValue));
     
     return results;
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