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#ifndef FONT_HPP_
#define FONT_HPP_
#include <map>
#include <vector>
#include <color.hpp>
#include <render.hpp>
#include <vector2.hpp>
#include <ft2build.h>
#include FT_FREETYPE_H
struct FT_Info {
vec2 wh;
vec2 bl;
vec2 ad;
GLuint tex;
FT_Info(void)
: tex(0) {}
};
struct DrawData {
GLuint tex;
Color color;
GLfloat verts[30];
DrawData(GLuint t, Color c, std::initializer_list<GLfloat> v)
: tex(t), color(c) {
std::copy(v.begin(), v.end(), verts);
}
};
class FontSystem {
private:
static FT_Library ftLibrary;
static FT_Face ftFace;
static std::string fontFamily;
static std::map<int, std::vector<FT_Info>> fontData;
static std::vector<DrawData> drawData;
static int currentSize;
static Color currentColor;
static float currentZ;
public:
~FontSystem(void) {
FT_Done_Face(ftFace);
FT_Done_FreeType(ftLibrary);
}
static void init(const std::string& ttf);
static void setFontSize(int size);
static void setFontColor(float r, float g, float b);
static void setFontZ(float z = -8.0f);
static vec2 putChar(float xx, float yy, char c);
static void render(void);
static inline int getSize(void)
{ return currentSize; }
static inline auto& getFont(void)
{ return fontData.at(currentSize); }
};
#endif // FONT_HPP_
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