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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp')
-rw-r--r-- | Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp b/Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp new file mode 100644 index 0000000..452bd54 --- /dev/null +++ b/Source/WebCore/platform/graphics/mac/SimpleFontDataCoreText.cpp @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. + * Copyright (C) 2006 Alexey Proskuryakov + * + * 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. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE 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 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. + */ + +#import "config.h" +#import "SimpleFontData.h" + +#import "Font.h" +#import "FontCache.h" +#import "FontDescription.h" +#import <ApplicationServices/ApplicationServices.h> + +using namespace std; + +namespace WebCore { + +CFDictionaryRef SimpleFontData::getCFStringAttributes(TypesettingFeatures typesettingFeatures) const +{ + unsigned key = typesettingFeatures + 1; + pair<HashMap<unsigned, RetainPtr<CFDictionaryRef> >::iterator, bool> addResult = m_CFStringAttributes.add(key, RetainPtr<CFDictionaryRef>()); + RetainPtr<CFDictionaryRef>& attributesDictionary = addResult.first->second; + if (!addResult.second) + return attributesDictionary.get(); + + bool allowLigatures = (orientation() == Horizontal && platformData().allowsLigatures()) || (typesettingFeatures & Ligatures); + + static const int ligaturesNotAllowedValue = 0; + static CFNumberRef ligaturesNotAllowed = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &ligaturesNotAllowedValue); + + static const int ligaturesAllowedValue = 1; + static CFNumberRef ligaturesAllowed = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &ligaturesAllowedValue); + + if (!(typesettingFeatures & Kerning)) { + static const float kerningAdjustmentValue = 0; + static CFNumberRef kerningAdjustment = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &kerningAdjustmentValue); + static const void* keysWithKerningDisabled[] = { kCTFontAttributeName, kCTKernAttributeName, kCTLigatureAttributeName, kCTVerticalFormsAttributeName }; + const void* valuesWithKerningDisabled[] = { platformData().ctFont(), kerningAdjustment, allowLigatures + ? ligaturesAllowed : ligaturesNotAllowed, orientation() == Vertical ? kCFBooleanTrue : kCFBooleanFalse }; + attributesDictionary.adoptCF(CFDictionaryCreate(0, keysWithKerningDisabled, valuesWithKerningDisabled, + WTF_ARRAY_LENGTH(keysWithKerningDisabled), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)); + } else { + // By omitting the kCTKernAttributeName attribute, we get Core Text's standard kerning. + static const void* keysWithKerningEnabled[] = { kCTFontAttributeName, kCTLigatureAttributeName, kCTVerticalFormsAttributeName }; + const void* valuesWithKerningEnabled[] = { platformData().ctFont(), allowLigatures ? ligaturesAllowed : ligaturesNotAllowed, orientation() == Vertical ? kCFBooleanTrue : kCFBooleanFalse }; + attributesDictionary.adoptCF(CFDictionaryCreate(0, keysWithKerningEnabled, valuesWithKerningEnabled, + WTF_ARRAY_LENGTH(keysWithKerningEnabled), &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)); + } + + return attributesDictionary.get(); +} + +} // namespace WebCore |