FontCascade.h

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//  -------------------------------------------------------------------------
//  Copyright (C) 2018 BMW Car IT GmbH
//  -------------------------------------------------------------------------
//  This Source Code Form is subject to the terms of the Mozilla Public
//  License, v. 2.0. If a copy of the MPL was not distributed with this
//  file, You can obtain one at https://mozilla.org/MPL/2.0/.
//  -------------------------------------------------------------------------
 
#ifndef RAMSES_FONTCASCADE_H
#define RAMSES_FONTCASCADE_H
 
#include "ramses-text-api/FontInstanceId.h"
#include "ramses-text-api/FontInstanceOffsets.h"
#include <string>
#include <vector>
 
namespace ramses
{
    class IFontAccessor;
 
    using OrderedFontList = std::vector<FontInstanceId>;
 
    struct FontCascade
    {
        const IFontAccessor&        fontAccessor;
 
        std::u32string              charsToRemove;
 
        OrderedFontList             fontPriorityList;
 
        FontInstanceId              fallbackFont;
 
        char32_t                    fallbackChar;
 
        static RAMSES_API std::u32string FilterAndFindFontInstancesForString(const FontCascade& fontCascade, const std::u32string& str, FontInstanceOffsets& fontOffsets);
    };
 
}
 
#endif