IFontInstance.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_TEXT_IFONTINSTANCE_H
#define RAMSES_TEXT_IFONTINSTANCE_H
 
#include "ramses-text-api/GlyphMetrics.h"
#include <stdint.h>
#include <string>
#include <unordered_set>
 
namespace ramses
{
    class RAMSES_API IFontInstance
    {
    public:
        virtual ~IFontInstance() = default;
 
        virtual bool supportsCharacter(char32_t character) const = 0;
 
        virtual std::unordered_set<unsigned long> getAllSupportedCharacters() = 0;
 
        virtual int getHeight() const = 0;
 
        virtual int getAscender() const = 0;
 
        virtual int getDescender() const = 0;
 
        virtual void loadAndAppendGlyphMetrics(std::u32string::const_iterator charsBegin, std::u32string::const_iterator charsEnd, GlyphMetricsVector& positionedGlyphs) = 0;
 
        virtual GlyphData loadGlyphBitmapData(GlyphId glyphId, uint32_t& sizeX, uint32_t& sizeY) = 0;
    };
}
 
#endif