blob: da02cb2c4ceff83ad455ffb2debc662994a7e76f [file] [log] [blame]
/*
* Copyright (C) 2018 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.
*/
#import "config.h"
#import "FontAttributeChanges.h"
#if PLATFORM(COCOA)
#import "Font.h"
#import "FontCache.h"
#import "FontDescription.h"
namespace WebCore {
const String& FontChanges::platformFontFamilyNameForCSS() const
{
// The family name may not be specific enough to get us the font specified.
// In some cases, the only way to get exactly what we are looking for is to use
// the Postscript name. If we don't find a font with the same Postscript name,
// then we'll have to use the Postscript name to make the CSS specific enough.
// This logic was originally from WebHTMLView, and is now in WebCore so that it can
// be shared between WebKitLegacy and WebKit.
auto cfFontName = m_fontName.createCFString();
RetainPtr<CFStringRef> fontNameFromDescription;
FontDescription description;
description.setIsItalic(m_italic.valueOr(false));
description.setWeight(FontSelectionValue { m_bold.valueOr(false) ? 900 : 500 });
if (auto font = FontCache::singleton().fontForFamily(description, m_fontFamily))
fontNameFromDescription = adoptCF(CTFontCopyPostScriptName(font->getCTFont()));
if (fontNameFromDescription && CFStringCompare(cfFontName.get(), fontNameFromDescription.get(), 0) == kCFCompareEqualTo)
return m_fontFamily;
return m_fontName;
}
} // namespace WebCore
#endif