definitions.hpp

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#pragma once
 
#include <SDL3/SDL.h>
#include <SDL3_image/SDL_image.h>
#include <SDL3_ttf/SDL_ttf.h>
#include <string>
#include "../definitions.hpp"
#include "../../services/graphics/definitions.hpp"
 
enum class FontHinting
{
    INVALID = -1,
    NORMAL,
    LIGHT,
    MONO,
    NONE,
    LIGHT_SUBPIXEL
};
 
enum class FontStyle
{
    NORMAL = 0x00,
    BOLD = 0x01,
    ITALIC = 0x02,
    UNDERLINE = 0x04,
    STRIKETHROUGH = 0x08
};
 
enum class FontDirection
{
    INVALID,
    LTR = 4,
    RTL,
    TTB,
    BTT
};
 
enum class FontAlignment
{
    INVALID = -1,
    LEFT,
    CENTER,
    RIGHT
};
 
class Font
{
public:
    Font();
    Font(const std::string &path);
    ~Font();
    std::string path; // File path of the font.
    int size = 30;
 
    Font *setKerning(bool enabled);
    Font *setHinting(FontHinting setting);
    Font *setLanguage(const std::string &language); // bcp47 code please
    Font *setLineSpacing(int spacing);
    Font *setOutline(int outline);
    Font *setSDF(bool enabled);
    Font *setSize(int ptSize);
    Font *setStyle(FontStyle style);
    Font *setAlignment(FontAlignment positioning);
 
    TTF_Font *getHandle() const;
 
    // Load font from file path at runtime (non-serialization overload)
    Font *loadFromPath(const std::string &path);
 
    template <class Archive>
    void save(Archive &ar) const
    {
        ar(CEREAL_NVP(path), CEREAL_NVP(size), CEREAL_NVP(kerning), CEREAL_NVP(hinting), CEREAL_NVP(language), CEREAL_NVP(lineSpacing), CEREAL_NVP(outline), CEREAL_NVP(SDF), CEREAL_NVP(alignment), CEREAL_NVP(style));
    }
 
    template <class Archive>
    void load(Archive &ar)
    {
        ar(CEREAL_NVP(path), CEREAL_NVP(size), CEREAL_NVP(kerning), CEREAL_NVP(hinting), CEREAL_NVP(language), CEREAL_NVP(lineSpacing), CEREAL_NVP(outline), CEREAL_NVP(SDF), CEREAL_NVP(alignment), CEREAL_NVP(style));
        handle = TTF_OpenFont(path.c_str(), static_cast<float>(size));
        // TTF_SetFontSize((TTF_Font*)handle, size);
        TTF_SetFontKerning((TTF_Font *)handle, kerning);
        TTF_SetFontHinting((TTF_Font *)handle, (TTF_HintingFlags)hinting);
        TTF_SetFontLanguage((TTF_Font *)handle, language.c_str());
        TTF_SetFontLineSkip((TTF_Font *)handle, lineSpacing);
        TTF_SetFontOutline((TTF_Font *)handle, outline);
        TTF_SetFontSDF((TTF_Font *)handle, SDF);
        TTF_SetFontStyle((TTF_Font *)handle, (TTF_FontStyleFlags)style);
        TTF_SetFontWrapAlignment((TTF_Font *)handle, (TTF_HorizontalAlignment)alignment);
    }
 
private:
    bool kerning = true;
    FontHinting hinting = FontHinting::NONE;
    std::string language = "en-US";
    int lineSpacing;
    int outline = 0;
    bool SDF = false;
    FontStyle style = FontStyle::NORMAL;
    FontAlignment alignment = FontAlignment::LEFT;
 
    TTF_Font *handle;
};