sdf

type CharMap struct {
	Start, Count, Offset int32
}

type Context struct {
	Reader io.ReadSeeker
	// for investigation
	Header StoreHeader

	Width, Height                      int
	BitmapListOffset, BitmapByteLength int64

	CharMaps    []CharMap
	InstrsCache map[rune]Instrs

	// config section
	AdvanceWidth int
}

type Instrs []image.Point

type RuneRange struct {
	Start, End rune
}

type SerializerContext struct {
	Writer io.Writer

	Width, Height,
	CharMapByteLength, BitmapByteLength int

	CharMaps []CharMap

	CurrCharMapIndex, CurrBitmapIndex int
}

type StoreHeader struct {
	Magic         [4]byte
	Version       [2]uint8
	Flags         uint16
	Reserved      [2]byte
	Width, Height uint8
	CharMapListOffset, CharMapListCount,
	BitmapListOffset int32
}