lettericon

Documentation

Index

• Variables
• func ColorFromHex(hex string) (*color.RGBA, error)
• func ColorToHex(c color.Color) string
• func IconPath(letter string, size string, colr *color.RGBA, format string) string
• func MainLetterFromURL(URL string) string
• func ParseIconPath(fullpath string) (string, *color.RGBA, int, string)
• func RGBToHSV(c color.Color) (h, s, v float64)
• func RenderPNG(letter string, bgColor color.Color, width int, out io.Writer) error
• func RenderSVG(letter string, bgColor color.Color, out io.Writer) error

Variables

var DefaultBackgroundColor *color.RGBA

Functions

func ColorFromHex

func ColorFromHex(hex string) (*color.RGBA, error)

func ColorToHex

func ColorToHex(c color.Color) string

ColorToHex returns the #rrggbb hex string for a color

func IconPath

func IconPath(letter string, size string, colr *color.RGBA, format string) string

func MainLetterFromURL

func MainLetterFromURL(URL string) string

func ParseIconPath

func ParseIconPath(fullpath string) (string, *color.RGBA, int, string)

path is like: lettericons/M-144-EFC25D.png

func RGBToHSV

func RGBToHSV(c color.Color) (h, s, v float64)

https://code.google.com/p/gorilla/source/browse/color/hsv.go?r=ef489f63418265a7249b1d53bdc358b09a4a2ea0

func RenderPNG

func RenderPNG(letter string, bgColor color.Color, width int, out io.Writer) error

func RenderSVG

func RenderSVG(letter string, bgColor color.Color, out io.Writer) error

RenderSVG writes an SVG lettericon for this letter and color