/* * 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 { 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, const FontVariantSettings* fontFaceVariantSettings, FontSelectionSpecifiedCapabilities fontFaceCapabilities, float size, bool applyWeightWidthSlopeVariations = true); SynthesisPair computeNecessarySynthesis(CTFontRef, const FontDescription&, bool isPlatformFont = false); RetainPtr<CTFontRef> platformFontWithFamilySpecialCase(const AtomicString& family, FontSelectionRequest, float size); RetainPtr<CTFontRef> platformFontWithFamily(const AtomicString& family, FontSelectionRequest, TextRenderingMode, float size); bool requiresCustomFallbackFont(UChar32 character); FontSelectionCapabilities capabilitiesForFontDescriptor(CTFontDescriptorRef); }