styled

package
v0.1.6 Latest Latest
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 Go to latest Published: Dec 27, 2020 License: MIT Imports: 4 Imported by: 1

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Index

Examples

Constants

View Source 
const (
	// These values are established by empiricism with
	// tests (tradeoff: performance VS precision)
	NEWTON_ITERATIONS          = 4
	NEWTON_MIN_SLOPE           = 0.001
	SUBDIVISION_PRECISION      = 0.0000001
	SUBDIVISION_MAX_ITERATIONS = float64(10)
)

Variables

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var (
	// Screens represents measures/scale of supported screen sizes.
	Screens = StringScale("sm", "md", "lg", "xl")

	// Colors represents measure/scale of possible color variants.
	Colors = NumberScale(100, 200, 300, 400, 500, 600, 700, 800, 900)
)
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var EaseInBack = BezierXYPoints(0.6, -0.28, 0.735, 0.045)
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var EaseInBackTCurve = BezierTPoints(0.6, -0.28, 0.735, 0.045)
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var EaseInCirc = BezierXYPoints(0.6, 0.04, 0.98, 0.335)
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var EaseInCircTCurve = BezierTPoints(0.6, 0.04, 0.98, 0.335)
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var EaseInCubic = BezierXYPoints(0.55, 0.055, 0.675, 0.19)
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var EaseInCubicTCurve = BezierTPoints(0.55, 0.055, 0.675, 0.19)
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var EaseInExpo = BezierXYPoints(0.95, 0.05, 0.795, 0.035)
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var EaseInExpoTCurve = BezierTPoints(0.95, 0.05, 0.795, 0.035)
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var EaseInOutBack = BezierXYPoints(0.68, -0.55, 0.265, 1.55)
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var EaseInOutBackTCurve = BezierTPoints(0.68, -0.55, 0.265, 1.55)
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var EaseInOutCirc = BezierXYPoints(0.785, 0.135, 0.15, 0.86)
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var EaseInOutCircTCurve = BezierTPoints(0.785, 0.135, 0.15, 0.86)
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var EaseInOutCubic = BezierXYPoints(0.645, 0.045, 0.355, 1)
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var EaseInOutCubicTCurve = BezierTPoints(0.645, 0.045, 0.355, 1)
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var EaseInOutExpo = BezierXYPoints(1, 0, 0, 1)
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var EaseInOutExpoTCurve = BezierTPoints(1, 0, 0, 1)
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var EaseInOutQuad = BezierXYPoints(0.455, 0.03, 0.515, 0.955)
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var EaseInOutQuadTCurve = BezierTPoints(0.455, 0.03, 0.515, 0.955)
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var EaseInOutQuart = BezierXYPoints(0.77, 0, 0.175, 1)
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var EaseInOutQuartTCurve = BezierTPoints(0.77, 0, 0.175, 1)
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var EaseInOutQuint = BezierXYPoints(0.86, 0, 0.07, 1)
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var EaseInOutQuintTCurve = BezierTPoints(0.86, 0, 0.07, 1)
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var EaseInOutSine = BezierXYPoints(0.445, 0.05, 0.55, 0.95)
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var EaseInOutSineTCurve = BezierTPoints(0.445, 0.05, 0.55, 0.95)
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var EaseInQuad = BezierXYPoints(0.55, 0.085, 0.68, 0.53)
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var EaseInQuadTCurve = BezierTPoints(0.55, 0.085, 0.68, 0.53)
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var EaseInQuart = BezierXYPoints(0.895, 0.03, 0.685, 0.22)
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var EaseInQuartTCurve = BezierTPoints(0.895, 0.03, 0.685, 0.22)
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var EaseInQuint = BezierXYPoints(0.755, 0.05, 0.855, 0.06)
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var EaseInQuintTCurve = BezierTPoints(0.755, 0.05, 0.855, 0.06)
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var EaseInSine = BezierXYPoints(0.47, 0, 0.745, 0.715)
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var EaseInSineTCurve = BezierTPoints(0.47, 0, 0.745, 0.715)
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var EaseOutBack = BezierXYPoints(0.175, 0.885, 0.32, 1.275)
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var EaseOutBackTCurve = BezierTPoints(0.175, 0.885, 0.32, 1.275)
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var EaseOutCirc = BezierXYPoints(0.075, 0.82, 0.165, 1)
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var EaseOutCircTCurve = BezierTPoints(0.075, 0.82, 0.165, 1)
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var EaseOutCubic = BezierXYPoints(0.215, 0.61, 0.355, 1)
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var EaseOutCubicTCurve = BezierTPoints(0.215, 0.61, 0.355, 1)
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var EaseOutExpo = BezierXYPoints(0.19, 1, 0.22, 1)
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var EaseOutExpoTCurve = BezierTPoints(0.19, 1, 0.22, 1)
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var EaseOutQuad = BezierXYPoints(0.25, 0.46, 0.45, 0.94)
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var EaseOutQuadTCurve = BezierTPoints(0.25, 0.46, 0.45, 0.94)
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var EaseOutQuart = BezierXYPoints(0.165, 0.84, 0.44, 1)
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var EaseOutQuartTCurve = BezierTPoints(0.165, 0.84, 0.44, 1)
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var EaseOutQuint = BezierXYPoints(0.23, 1, 0.32, 1)
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var EaseOutQuintTCurve = BezierTPoints(0.23, 1, 0.32, 1)
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var EaseOutSine = BezierXYPoints(0.39, 0.575, 0.565, 1)
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var EaseOutSineTCurve = BezierTPoints(0.39, 0.575, 0.565, 1)
View Source 
var Linear = BezierXYPoints(0.5, 0.5, 0.5, 0.5)
View Source 
var LinearTCurve = BezierTPoints(0.5, 0.5, 0.5, 0.5)

Functions

This section is empty.

Types

type AnyScaleDef 

type AnyScaleDef struct {
	// contains filtered or unexported fields
}

func AnyScale 

func AnyScale(values ...interface{}) *AnyScaleDef

func (*AnyScaleDef) Count 

func (s *AnyScaleDef) Count() int

func (*AnyScaleDef) HasIndex 

func (s *AnyScaleDef) HasIndex(i int) bool

func (*AnyScaleDef) Index 

func (s *AnyScaleDef) Index(i int) interface{}

func (*AnyScaleDef) IsKeyType 

func (s *AnyScaleDef) IsKeyType(i interface{}) bool

IsKeyType always returns true for AnyScaleDef.

func (*AnyScaleDef) Key 

func (s *AnyScaleDef) Key(i interface{}) bool

type Curve 

type Curve interface {
	Point(t float64) float64
}

func BezierTPoints 

func BezierTPoints(x1, y1, x2, y2 float64) Curve

type CurveFunc 

type CurveFunc func(t float64) float64

func (CurveFunc) Point 

func (c CurveFunc) Point(t float64) float64

type CurveXYPoints 

type CurveXYPoints []vg.Point

func BezierXYPointsList 

func BezierXYPointsList(points ...float64) CurveXYPoints

type HuePalette 

type HuePalette struct {
	Steps              int               // number of colors to be generated
	HueStart           int               // Hue value (0-359)
	HueEnd             int               // Hue value (0-359)
	HueCurve           Curve             // Hue bezier curve points
	SaturationRate     float64           // rate of saturation increase (0-200)
	SaturationStart    int               // Saturation value (0-100)
	SaturationEnd      int               // Saturation value (0-100)
	SaturationCurve    Curve             // Bezier curve points for saturation
	LuminousityStart   int               // Luminous value (0-100)
	LuminousityEnd     int               // Luminous value (0-100)
	LuminosityCurve    Curve             // Luminosity bezier curve points
	ContrastColorLight *gocolorful.Color // Provides light color contrast to be used for calculating contrast
	ContrastColorDark  *gocolorful.Color // Provides dark color contrast to be used for calculating contrast
}

HuePalette implements the color algorithm defined in the lyft color algorithm which provides a more concise way of generating colors for specific hues, saturation and luminousity levels that match how we perceive colors.

See - [Re-Approaching Color by Lyft Design](https://design.lyft.com/re-approaching-color-9e604ba22c88) and [Life Color Algorithm](https://github.com/lyft/coloralgorithm).

type NumberColorKV 

type NumberColorKV struct {
	Values *ValuesDef
}

func NewNumberColorKV 

func NewNumberColorKV(scale ScaleDef) *NumberColorKV

func (*NumberColorKV) Index 

func (skv *NumberColorKV) Index(i int, v gocolorful.Color) *NumberColorKV

func (*NumberColorKV) Key 

func (skv *NumberColorKV) Key(k int, v gocolorful.Color) *NumberColorKV

func (*NumberColorKV) ValuesAtIndex 

func (skv *NumberColorKV) ValuesAtIndex(i int) gocolorful.Color

func (*NumberColorKV) ValuesAtKey 

func (skv *NumberColorKV) ValuesAtKey(k int) gocolorful.Color

type NumberFloatKV 

type NumberFloatKV struct {
	Values *ValuesDef
}

func NewNumberFloatKV 

func NewNumberFloatKV(scale ScaleDef) *NumberFloatKV

func (*NumberFloatKV) Index 

func (skv *NumberFloatKV) Index(i int, v float64) *NumberFloatKV

func (*NumberFloatKV) Key 

func (skv *NumberFloatKV) Key(k int, v float64) *NumberFloatKV

func (*NumberFloatKV) ValuesAtIndex 

func (skv *NumberFloatKV) ValuesAtIndex(i int) float64

func (*NumberFloatKV) ValuesAtKey 

func (skv *NumberFloatKV) ValuesAtKey(k int) float64

type NumberKV 

type NumberKV struct {
	Values *ValuesDef
}

func NewNumberKV 

func NewNumberKV(scale ScaleDef) *NumberKV

func (*NumberKV) Index 

func (skv *NumberKV) Index(i int, v int) *NumberKV

func (*NumberKV) Key 

func (skv *NumberKV) Key(k int, v int) *NumberKV

func (*NumberKV) ValuesAtIndex 

func (skv *NumberKV) ValuesAtIndex(i int) int

func (*NumberKV) ValuesAtKey 

func (skv *NumberKV) ValuesAtKey(k int) int

type NumberPaletteKV 

type NumberPaletteKV struct {
	Values *ValuesDef
}

func NewNumberPaletteKV 

func NewNumberPaletteKV(scale ScaleDef) *NumberPaletteKV

func (*NumberPaletteKV) Index 

func (skv *NumberPaletteKV) Index(i int, v Palette) *NumberPaletteKV

func (*NumberPaletteKV) Key 

func (skv *NumberPaletteKV) Key(k int, v Palette) *NumberPaletteKV

func (*NumberPaletteKV) ValuesAtIndex 

func (skv *NumberPaletteKV) ValuesAtIndex(i int) Palette

func (*NumberPaletteKV) ValuesAtKey 

func (skv *NumberPaletteKV) ValuesAtKey(k int) Palette

type NumberScaleDef 

type NumberScaleDef struct {
	// contains filtered or unexported fields
}

func NumberScale 

func NumberScale(values ...int) *NumberScaleDef

func (*NumberScaleDef) Count 

func (s *NumberScaleDef) Count() int

func (*NumberScaleDef) HasIndex 

func (s *NumberScaleDef) HasIndex(i int) bool

func (*NumberScaleDef) Index 

func (s *NumberScaleDef) Index(i int) interface{}

func (*NumberScaleDef) IsKeyType 

func (s *NumberScaleDef) IsKeyType(i interface{}) bool

func (*NumberScaleDef) IsValueType 

func (s *NumberScaleDef) IsValueType(i interface{}) bool

func (*NumberScaleDef) Key 

func (s *NumberScaleDef) Key(i interface{}) bool

type NumberStringKV 

type NumberStringKV struct {
	Values *ValuesDef
}

func NewNumberStringKV 

func NewNumberStringKV(scale ScaleDef) *NumberStringKV

func (*NumberStringKV) Index 

func (skv *NumberStringKV) Index(i int, v string) *NumberStringKV

func (*NumberStringKV) Key 

func (skv *NumberStringKV) Key(k int, v string) *NumberStringKV

func (*NumberStringKV) ValuesAtIndex 

func (skv *NumberStringKV) ValuesAtIndex(i int) string

func (*NumberStringKV) ValuesAtKey 

func (skv *NumberStringKV) ValuesAtKey(k int) string

type Palette 

type Palette struct {
	Step          int
	Steps         int
	Hex           string
	RGB           gocolorful.Color
	HCL           gocolorful.Color
	HSV           gocolorful.Color
	HSL           gocolorful.Color
	ContrastDark  float64
	ContrastLight float64
	HueRange      []int
	Hue           float64
	Saturation    float64
	Luminosity    float64
}

Palette defines the generated color set which is produced from provided HuePalette.

Example 
var palette = CreatePalette(HuePalette{
	Steps:              10,
	HueStart:           100,
	HueEnd:             359,
	HueCurve:           EaseInCubicTCurve,
	SaturationRate:     30,
	SaturationStart:    10,
	SaturationEnd:      80,
	SaturationCurve:    EaseInCubicTCurve,
	LuminousityStart:   5,
	LuminousityEnd:     80,
	LuminosityCurve:    EaseInCubicTCurve,
	ContrastColorLight: nil,
	ContrastColorDark:  nil,
})

var json, err = json2.Marshal(palette)
if err != nil {
	log.Fatal(err.Error())
}
fmt.Println(json)

Output:

type Palettes 

type Palettes struct {
	LightMode []Palette
	DarkMode  []Palette // will be a list of LightMode palette set reversed.
}

func CreatePalette 

func CreatePalette(config HuePalette) Palettes

type ScaleDef 

type ScaleDef interface {
	Count() int
	Index(int) interface{}
	HasIndex(int) bool
	Key(interface{}) bool
	IsKeyType(interface{}) bool
}

type StringColorKV 

type StringColorKV struct {
	Values *ValuesDef
}

func NewStringColorKV 

func NewStringColorKV(scale ScaleDef) *StringColorKV

func (*StringColorKV) Index 

func (skv *StringColorKV) Index(i int, v gocolorful.Color) *StringColorKV

func (*StringColorKV) Key 

func (skv *StringColorKV) Key(k string, v gocolorful.Color) *StringColorKV

func (*StringColorKV) ValuesAtIndex 

func (skv *StringColorKV) ValuesAtIndex(i int) gocolorful.Color

func (*StringColorKV) ValuesAtKey 

func (skv *StringColorKV) ValuesAtKey(k string) gocolorful.Color

type StringFloatKV 

type StringFloatKV struct {
	Values *ValuesDef
}

func NewStringFloatKV 

func NewStringFloatKV(scale ScaleDef) *StringFloatKV

func (*StringFloatKV) Index 

func (skv *StringFloatKV) Index(i int, v float64) *StringFloatKV

func (*StringFloatKV) Key 

func (skv *StringFloatKV) Key(k string, v float64) *StringFloatKV

func (*StringFloatKV) ValuesAtIndex 

func (skv *StringFloatKV) ValuesAtIndex(i int) float64

func (*StringFloatKV) ValuesAtKey 

func (skv *StringFloatKV) ValuesAtKey(k string) float64

type StringKV 

type StringKV struct {
	Values *ValuesDef
}

func NewStringKV 

func NewStringKV(scale ScaleDef) *StringKV

func (*StringKV) Index 

func (skv *StringKV) Index(i int, v string) *StringKV

func (*StringKV) Key 

func (skv *StringKV) Key(k string, v string) *StringKV

func (*StringKV) ValuesAtIndex 

func (skv *StringKV) ValuesAtIndex(i int) string

func (*StringKV) ValuesAtKey 

func (skv *StringKV) ValuesAtKey(k string) string

type StringNumberKV 

type StringNumberKV struct {
	Values *ValuesDef
}

func NewStringNumberKV 

func NewStringNumberKV(scale ScaleDef) *StringNumberKV

func (*StringNumberKV) Index 

func (skv *StringNumberKV) Index(i int, v int) *StringNumberKV

func (*StringNumberKV) Key 

func (skv *StringNumberKV) Key(k string, v int) *StringNumberKV

func (*StringNumberKV) ValuesAtIndex 

func (skv *StringNumberKV) ValuesAtIndex(i int) int

func (*StringNumberKV) ValuesAtKey 

func (skv *StringNumberKV) ValuesAtKey(k string) int

type StringPaletteKV 

type StringPaletteKV struct {
	Values *ValuesDef
}

func NewStringPaletteKV 

func NewStringPaletteKV(scale ScaleDef) *StringPaletteKV

func (*StringPaletteKV) Index 

func (skv *StringPaletteKV) Index(i int, v Palette) *StringPaletteKV

func (*StringPaletteKV) Key 

func (skv *StringPaletteKV) Key(k string, v Palette) *StringPaletteKV

func (*StringPaletteKV) ValuesAtIndex 

func (skv *StringPaletteKV) ValuesAtIndex(i int) Palette

func (*StringPaletteKV) ValuesAtKey 

func (skv *StringPaletteKV) ValuesAtKey(k string) Palette

type StringScaleDef 

type StringScaleDef struct {
	// contains filtered or unexported fields
}

func StringScale 

func StringScale(values ...string) *StringScaleDef

func (*StringScaleDef) Count 

func (s *StringScaleDef) Count() int

func (*StringScaleDef) HasIndex 

func (s *StringScaleDef) HasIndex(i int) bool

func (*StringScaleDef) Index 

func (s *StringScaleDef) Index(i int) interface{}

func (*StringScaleDef) IsKeyType 

func (s *StringScaleDef) IsKeyType(i interface{}) bool

func (*StringScaleDef) IsValueType 

func (s *StringScaleDef) IsValueType(i interface{}) bool

func (*StringScaleDef) Key 

func (s *StringScaleDef) Key(i interface{}) bool

type ValuesDef 

type ValuesDef struct {
	// contains filtered or unexported fields
}

func NewValuesDef 

func NewValuesDef(scale ScaleDef) *ValuesDef

func (*ValuesDef) Index 

func (sv *ValuesDef) Index(index int, value interface{}) *ValuesDef

func (*ValuesDef) Key 

func (sv *ValuesDef) Key(key interface{}, value interface{}) *ValuesDef

func (*ValuesDef) ValueAtIndex 

func (sv *ValuesDef) ValueAtIndex(index int) interface{}

func (*ValuesDef) ValueAtKey 

func (sv *ValuesDef) ValueAtKey(key interface{}) interface{}

type XYCurve 

type XYCurve interface {
	Point(t float64) vg.Point
}

func BezierXYPoints 

func BezierXYPoints(points ...float64) XYCurve

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