lettericon

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