color

type ByteColor ¶

type ByteColor byte

ByteColor represents a color value using a byte. It implements the Color interface.

func (bc ByteColor) Equals(c Color) bool

type ByteColorParser ¶

type ByteColorParser struct {
	DefaultColor ByteColor
}

ByteColorParser parses a single-byte string to a ByteColor. It implements the Parser interface.

func (parser *ByteColorParser) ParseColor(s string) (Color, error)

type Color ¶

type Color interface {
	// Equals returns whether this Color equals c.
	Equals(c Color) bool
}

Color represents a color value.

There is no requirement on the underlying implementation as long as it is supported by the canvas which uses it.

type Parser ¶

type Parser interface {
	// ParseColor parses s and returns a Color.
	//
	// Errors
	//
	// common.ErrInvalidColor:
	// Will be returned if the color is not recognized by this parser.
	//
	ParseColor(s string) (Color, error)
}

Parser represents a color parser.