imagecolor

package module

v0.0.0-...-e9edd25 Latest Latest Go to latest Published: Oct 13, 2019 License: MIT Imports: 9 Imported by: 1

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Repository

github.com/evanoberholster/imageColor

Links

Open Source Insights

README ¶

imageColor

Work in Progress

Used for calculating prominent colors from an image.Image

Example

see example/main.go

LICENSE

BSD-2-Clause License

Documentation ¶

Index ¶

func CalcCompositionBoxes(imgR image.Image)
type Box
- func NewBox(x1, y1, x2, y2 int) *Box
- func ThirdsBoxes(width, height int) (boxes []*Box)
type ColorHSL
- func NewColorHSL(cf colorful.Color) ColorHSL
- func (c ColorHSL) Distance(c2 ColorHSL) float64
- func (c ColorHSL) DistanceHue(c2 ColorHSL) float64
type ImageColors
- func GetImageColors(m image.Image) *ImageColors
type MaterialColor
- func (mc MaterialColor) String() string
type ProminentColor
- func (p ProminentColor) String() string
type ProminentColors

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CalcCompositionBoxes ¶

func CalcCompositionBoxes(imgR image.Image)

CalcCompositionBoxes - Experimental

Types ¶

type Box ¶

type Box struct {
	Rect    image.Rectangle
	Focused float64
	Score   float64
	MeanL   float64
	StdL    float64
	SkewL   float64
	// contains filtered or unexported fields
}

Box - x1, y1, x2, y2 int

func NewBox ¶

func NewBox(x1, y1, x2, y2 int) *Box

NewBox - Create a new Box

func ThirdsBoxes ¶

func ThirdsBoxes(width, height int) (boxes []*Box)

ThirdsBoxes - Create boxes for thirds composition. 4 Boxes with centers at 1/3 and 2/3 horizontal and vertical.

func (*Box) Distance ¶

func (b *Box) Distance(b2 *Box) float64

Distance -

func (*Box) FocusScore ¶

func (b *Box) FocusScore()

FocusScore -

func (*Box) FocusedPixels ¶

func (b *Box) FocusedPixels(m image.Image)

FocusedPixels - Create ImageColors array from an image

func (Box) ImageEdges ¶

func (b Box) ImageEdges(img image.Image, radius float64) image.Image

ImageEdges -

func (*Box) MeanStd ¶

func (b *Box) MeanStd()

MeanStd - Get Mean and StandardVariation for values

func (*Box) Skew ¶

func (b *Box) Skew()

Skew - Get the skew of the normal distribution curve for values

type ColorHSL ¶

type ColorHSL [3]float64

ColorHSL - Color defined in the HSL colorspace (Hue, Saturation, Value)

func NewColorHSL ¶

func NewColorHSL(cf colorful.Color) ColorHSL

NewColorHSL - Create ColorHSL from colorful.Color

func (ColorHSL) Distance ¶

func (c ColorHSL) Distance(c2 ColorHSL) float64

Distance is the equludian distance between 2 Colors in the HSL colorspace (Hue, Saturation, Lightness)

func (ColorHSL) DistanceHue ¶

func (c ColorHSL) DistanceHue(c2 ColorHSL) float64

DistanceHue is the distance between 2 Hues on the HSL colorspace (Hue, Saturation, Lightness)

type ImageColors ¶

type ImageColors [][]ColorHSL

ImageColors - Array of ColorHSL

func GetImageColors ¶

func GetImageColors(m image.Image) *ImageColors

GetImageColors - Create ImageColors array from an image

func (*ImageColors) AddColor ¶

func (ic *ImageColors) AddColor(x, y int, cf colorful.Color)

AddColor - Add Color to ColorHSL in ImageColors with Coords x and y

func (*ImageColors) AddHSL ¶

func (ic *ImageColors) AddHSL(x, y int, hsl ColorHSL)

AddHSL - Add ColorHSL to Coordinates x and y of ImageColors

func (ImageColors) MeanHue ¶

func (ic ImageColors) MeanHue() (float64, float64)

MeanHue -

func (ImageColors) MeanLightness ¶

func (ic ImageColors) MeanLightness() (float64, float64)

MeanLightness -

func (ImageColors) MeanSaturation ¶

func (ic ImageColors) MeanSaturation() (float64, float64)

MeanSaturation -

func (*ImageColors) ProminentColors ¶

func (ic *ImageColors) ProminentColors(limit float64) ProminentColors

ProminentColors - Return Prominent Colors (limit) percentage limit of promiment colors to return

func (ImageColors) QuantileLightness ¶

func (ic ImageColors) QuantileLightness() float64

QuantileLightness -

func (ImageColors) QuantileSaturation ¶

func (ic ImageColors) QuantileSaturation() float64

QuantileSaturation -

type MaterialColor ¶

type MaterialColor uint8

MaterialColor -

func (MaterialColor) String ¶

func (mc MaterialColor) String() string

String - format MaterialColor as a String

type ProminentColor ¶

type ProminentColor struct {
	Color MaterialColor
	W     float64
}

ProminentColor - Prominent Color Color and Weight

func (ProminentColor) String ¶

func (p ProminentColor) String() string

type ProminentColors ¶

type ProminentColors struct {
	Colors       []ProminentColor
	Hue          [2]float64
	Saturation   [2]float64
	Lightness    [2]float64
	Colorfulness float64
	Qlightness   float64
}

ProminentColors - Slice of ProminentColor

func (ProminentColors) Len ¶

func (pc ProminentColors) Len() int

func (ProminentColors) Less ¶

func (pc ProminentColors) Less(i, j int) bool

func (ProminentColors) Swap ¶

func (pc ProminentColors) Swap(i, j int)

Source Files ¶

View all Source files

Directories ¶

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