font.hpp

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// Copyright 2012-2025 Jan Niklas Hasse <jhasse@bixense.com>
// For conditions of distribution and use, see copyright notice in LICENSE.txt
#pragma once
 
#include "Rgb.hpp"
#include "Rgba.hpp"
#include "Vec2.hpp"
 
#include <memory>
#include <string>
 
namespace jngl {
 
class FontImpl;
class Mat3;
 
class Font {
public:
    Font(const std::string& filename, unsigned int size, float strokePercentage = 0);
 
    void print(const Mat3& modelview, const std::string& text, Rgba color) const;
 
    void print(const std::string&, int x, int y);
 
    void print(const std::string& text, Vec2 position) const;
 
    void print(const Mat3& modelview, const std::string& text) const;
 
    double getTextWidth(std::string_view) const;
 
    double getLineHeight() const;
 
    std::shared_ptr<FontImpl> getImpl();
 
private:
    std::shared_ptr<FontImpl> impl;
};
 
void print(const std::string& text, jngl::Vec2 position);
 
void print(const std::string& text, int xposition, int yposition);
 
void print(const Mat3& modelview, const std::string& text);
 
int getFontSize();
 
void setFontSize(int size);
 
std::string getFont();
 
void setFont(const std::string& filename);
 
void setFontByName(const std::string& name);
 
void setFontColor(Rgba);
 
void setFontColor(Rgb, float alpha = 1.f);
 
void setFontColor(unsigned char red, unsigned char green, unsigned char blue,
                  unsigned char alpha = 255);
 
void pushFontColor(unsigned char red, unsigned char green, unsigned char blue);
 
void popFontColor();
 
double getLineHeight();
 
void setLineHeight(double);
 
double getTextWidth(const std::string& text);
 
} // namespace jngl