type1

type FileFormat int

type Font struct {
	*FontInfo

	Glyphs map[string]*Glyph

	Private *PrivateDict

	Encoding []string

	CreationDate time.Time
}

type FontInfo struct {
	// PostScript language name (FontName or CIDFontName) of the font.
	FontName string

	// Version is the version number of the font program.
	Version string

	// Notice is used to save any trademark notice/information for the font.
	Notice string

	// The copyright notice of the font.
	Copyright string

	// FullName is a unique, human-readable name for an individual font.
	FullName string

	// FamilyName is a human-readable name for a group of fonts that are
	// stylistic variants of a single design.  All fonts that are members of
	// such a group should have exactly the same FamilyName value.
	FamilyName string

	// A human-readable name for the weight, or "boldness," of a font.
	Weight string

	// ItalicAngle is the angle, in degrees counterclockwise from the vertical,
	// of the dominant vertical strokes of the font.
	ItalicAngle float64

	// IsFixedPitch is a flag indicating whether the font is a fixed-pitch
	// (monospaced) font.
	IsFixedPitch bool

	// UnderlinePosition is the recommended distance from the baseline for
	// positioning underlining strokes. This number is the y coordinate (in the
	// glyph coordinate system) of the center of the stroke.
	UnderlinePosition funit.Float64

	// UnderlineThickness is the recommended stroke width for underlining, in
	// units of the glyph coordinate system.
	UnderlineThickness funit.Float64

	// FontMatrix is the transformation from glyph space to user space.
	FontMatrix [6]float64
}

type Glyph struct {
	Cmds   []GlyphOp
	HStem  []funit.Int16
	VStem  []funit.Int16
	WidthX float64
	WidthY float64
}

type GlyphOp struct {
	Op   GlyphOpType
	Args []float64
}

type GlyphOpType byte

type InvalidFontError struct {
	Reason string
}

type KernPair struct {
	Left, Right string
	Adjust      funit.Int16 // negative = move glyphs closer together
}

type PrivateDict struct {
	// BlueValues is an array containing an even number of integers.
	// The first integer in each pair is less than or equal to the second integer.
	// The first pair is the baseline overshoot position and the baseline.
	// All subsequent pairs describe alignment zones for the tops of character features.
	BlueValues []funit.Int16

	OtherBlues []funit.Int16

	BlueScale float64

	BlueShift int32

	BlueFuzz int32

	// StdHW is the dominant width of horizontal stems for glyphs in the font.
	StdHW float64

	// StdVW the dominant width of vertical stems.
	// Typically, this will be the width of straight stems in lower case letters.
	StdVW float64

	ForceBold bool
}

type WriterOptions struct {
	Format FileFormat // which file format to write (default: FormatPFA)
}