enum class Format { BGRA, RGBA, BGR, RGB, A };

Format format;

size_t width;

size_t height;

size_t stride;

std::vector<uint8_t> data;

static std::shared_ptr<Pixmap> Create(Format format, size_t width, size_t height);

static std::shared_ptr<Pixmap> FromPng(const uint8_t *data, size_t size, bool flip = false);

static std::shared_ptr<Pixmap> ReadPng(FILE *f, bool flip = false);

static std::shared_ptr<Pixmap> ReadPng(const std::string &filename, bool flip = false);

bool WritePng(FILE *f, bool flip = false);

bool WritePng(const std::string &filename, bool flip = false);

size_t GetBytesPerPixel() const;

RgbaColor GetPixel(size_t x, size_t y) const;

bool Equals(const Pixmap &other) const;

void ConvertTo(Format newFormat);

void SetPixel(size_t x, size_t y, RgbaColor color);

struct Glyph {

uint8_t advanceCells;

uint16_t position;

};

std::string unifontData;

std::map<char32_t, Glyph> glyphs;

std::shared_ptr<Pixmap> texture;

bool textureUpdated;

uint16_t nextPosition;

static BitmapFont From(std::string &&unifontData);

static BitmapFont *Builtin();

bool IsEmpty() const { return unifontData.empty(); }

const Glyph &GetGlyph(char32_t codepoint);

void LocateGlyph(char32_t codepoint, double *s0, double *t0, double *s1, double *t1,

size_t *advanceWidth, size_t *boundingHeight);

void AddGlyph(char32_t codepoint, std::shared_ptr<const Pixmap> pixmap);

size_t GetWidth(char32_t codepoint);

size_t GetWidth(const std::string &str);

struct Contour {

std::vector<Point2d> points;

};

struct Glyph {

std::vector<Contour> contours;

double leftSideBearing;

double boundingWidth;

double advanceWidth;

};

std::string lffData;

std::map<char32_t, Glyph> glyphs;

double rightSideBearing;

double capHeight;

double ascender;

double descender;

static VectorFont From(std::string &&lffData);

static VectorFont *Builtin();

bool IsEmpty() const { return lffData.empty(); }

const Glyph &GetGlyph(char32_t codepoint);

double GetCapHeight(double forCapHeight) const;

double GetHeight(double forCapHeight) const;

double GetWidth(double forCapHeight, const std::string &str);

Vector GetExtents(double forCapHeight, const std::string &str);

void Trace(double forCapHeight, Vector o, Vector u, Vector v, const std::string &str,

std::function<void(Vector, Vector)> traceEdge);

void Trace(double forCapHeight, Vector o, Vector u, Vector v, const std::string &str,

std::function<void(Vector, Vector)> traceEdge, const Camera &camera);