font.h

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#ifndef FONT_H
#define FONT_H
 
#include <jGL/glyph.h>
#include <jGL/texture.h>
 
#include <map>
#include <algorithm>
 
 
namespace jGL
{
    class Font 
    {
 
    public:
 
        Font(uint8_t w);
 
        virtual ~Font() {}
 
        const glm::ivec2 getBitmapSize() const { return glm::ivec2(fontBitmap->size().x, fontBitmap->size().y); }
 
        std::array<glm::vec4, 6> getGlyphVertices(float x, float y, float scale, unsigned char c);
        glm::vec4 getGlyphOffset(unsigned char c) { return glyphOffset[c]; }
        glm::ivec2 getGlyphSize(unsigned char c) { return glyphs[c].getSize(); }
 
        float spacing(float scale) { return scale * width; }
 
        void bind(unsigned int b) { fontBitmap->bind(b); }
 
    protected:
 
        uint8_t width;
 
        std::map<unsigned char, Glyph> glyphs;
        std::map<unsigned char, glm::vec4> glyphOffset;
 
        std::shared_ptr<Texture> fontBitmap;
        std::vector<std::byte> bitmapPixels;
        uint16_t bw, bh;
 
    };
}
 
#endif /* FONT_H */