| /* |
| * Copyright (C) 2017 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. |
| * 3. Neither the name of Apple 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. |
| */ |
| |
| #pragma once |
| |
| #include "FontDescription.h" |
| |
| #include <CoreText/CTFont.h> |
| |
| namespace WebCore { |
| |
| struct SynthesisPair { |
| explicit SynthesisPair(bool needsSyntheticBold, bool needsSyntheticOblique) |
| : needsSyntheticBold(needsSyntheticBold) |
| , needsSyntheticOblique(needsSyntheticOblique) |
| { |
| } |
| |
| std::pair<bool, bool> boldObliquePair() const |
| { |
| return std::make_pair(needsSyntheticBold, needsSyntheticOblique); |
| } |
| |
| bool needsSyntheticBold; |
| bool needsSyntheticOblique; |
| }; |
| |
| RetainPtr<CTFontRef> preparePlatformFont(CTFontRef, const FontDescription&, const FontFeatureSettings* fontFaceFeatures, FontSelectionSpecifiedCapabilities fontFaceCapabilities, bool applyWeightWidthSlopeVariations = true); |
| SynthesisPair computeNecessarySynthesis(CTFontRef, const FontDescription&, bool isPlatformFont = false); |
| RetainPtr<CTFontRef> platformFontWithFamilySpecialCase(const AtomString& family, const FontDescription&, float size, AllowUserInstalledFonts); |
| RetainPtr<CTFontRef> platformFontWithFamily(const AtomString& family, FontSelectionRequest, TextRenderingMode, float size); |
| bool requiresCustomFallbackFont(UChar32 character); |
| FontSelectionCapabilities capabilitiesForFontDescriptor(CTFontDescriptorRef); |
| void addAttributesForInstalledFonts(CFMutableDictionaryRef attributes, AllowUserInstalledFonts); |
| RetainPtr<CTFontRef> createFontForInstalledFonts(CTFontDescriptorRef, CGFloat size, AllowUserInstalledFonts); |
| RetainPtr<CTFontRef> createFontForInstalledFonts(CTFontRef, AllowUserInstalledFonts); |
| void addAttributesForWebFonts(CFMutableDictionaryRef attributes, AllowUserInstalledFonts); |
| RetainPtr<CFSetRef> installedFontMandatoryAttributes(AllowUserInstalledFonts); |
| |
| } |