text.hpp

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// Copyright 2012-2026 Jan Niklas Hasse <jhasse@bixense.com>
// For conditions of distribution and use, see copyright notice in LICENSE.txt
 
#pragma once
 
#include "Drawable.hpp"
#include "Mat3.hpp"
 
#include <memory>
#include <string>
#include <vector>
 
namespace jngl {
 
enum class Alignment : uint8_t { LEFT, RIGHT, CENTER };
 
class Font;
class FontInterface;
 
class Text : public Drawable {
public:
    explicit Text(const std::string& text = "");
 
    void setText(const std::string&, double maxWidth = std::numeric_limits<double>::max());
 
    void setFont(Font&);
 
    void setFont(const std::shared_ptr<FontInterface>&);
 
    void setAlign(Alignment);
 
    void step() override;
 
    void draw() const override;
    void draw(Mat3 modelview) const;
 
private:
    void addLine(const std::string& text, double maxWidth);
 
    class Line;
    std::vector<std::shared_ptr<Line>> lines;
    std::shared_ptr<FontInterface> font;
    Alignment align = Alignment::LEFT;
};
 
} // namespace jngl