properties

package
v0.0.9 Latest Latest
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 Go to latest Published: Apr 30, 2024 License: BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

This package defines the types needed to handle the various CSS properties. There are 3 groups of types for a property, separated by 2 steps : cascading and computation. Thus the need of 3 types (see below). Schematically, the style computation is : 

ValidatedProperty (ComputedFromCascaded)-> CascadedProperty (Compute)-> CssProperty

Index

Constants

View Source 
const (
	True  = Bool(true)
	False = Bool(false)
)
View Source 
const (
	// AutoF indicates a value specified as "auto", which will
	// be resolved during layout.
	AutoF special = true
)

Variables

View Source 
var (
	ZeroPixels = Dimension{Unit: Px}

	CurrentColor = Color{Type: parser.ColorCurrentColor}
	// How many CSS pixels is one <unit>?
	// http://www.w3.org/TR/CSS21/syndata.html#length-units
	LengthsToPixels = map[Unit]Float{
		Px: 1,
		Pt: 1. / 0.75,
		Pc: 16.,
		In: 96.,
		Cm: 96. / 2.54,
		Mm: 96. / 25.4,
		Q:  96. / 25.4 / 4.,
	}

	// Value in pixels of font-size for <absolute-size> keywords: 12pt (16px) for
	// medium, and scaling factors given in CSS3 for others:
	// http://www.w3.org/TR/css3-fonts/#font-size-prop
	FontSizeKeywords = map[string]Float{
		"xx-small": InitialValues.GetFontSize().Value * 3 / 5,
		"x-small":  InitialValues.GetFontSize().Value * 3 / 4,
		"small":    InitialValues.GetFontSize().Value * 8 / 9,
		"medium":   InitialValues.GetFontSize().Value * 1 / 1,
		"large":    InitialValues.GetFontSize().Value * 6 / 5,
		"x-large":  InitialValues.GetFontSize().Value * 3 / 2,
		"xx-large": InitialValues.GetFontSize().Value * 2 / 1,
	}
	FontSizeKeywordsOrder = []string{"xx-small", "x-small", "small", "medium", "large", "x-large", "xx-large"}

	// http://www.w3.org/TR/css3-page/#size
	PageSizes = map[string]Point{
		"a10":     {Dimension{Value: 26, Unit: Mm}, Dimension{Value: 37, Unit: Mm}},
		"a9":      {Dimension{Value: 37, Unit: Mm}, Dimension{Value: 52, Unit: Mm}},
		"a8":      {Dimension{Value: 52, Unit: Mm}, Dimension{Value: 74, Unit: Mm}},
		"a7":      {Dimension{Value: 74, Unit: Mm}, Dimension{Value: 105, Unit: Mm}},
		"a6":      {Dimension{Value: 105, Unit: Mm}, Dimension{Value: 148, Unit: Mm}},
		"a5":      {Dimension{Value: 148, Unit: Mm}, Dimension{Value: 210, Unit: Mm}},
		"a4":      A4,
		"a3":      {Dimension{Value: 297, Unit: Mm}, Dimension{Value: 420, Unit: Mm}},
		"a2":      {Dimension{Value: 420, Unit: Mm}, Dimension{Value: 594, Unit: Mm}},
		"a1":      {Dimension{Value: 594, Unit: Mm}, Dimension{Value: 841, Unit: Mm}},
		"a0":      {Dimension{Value: 841, Unit: Mm}, Dimension{Value: 1189, Unit: Mm}},
		"b10":     {Dimension{Value: 31, Unit: Mm}, Dimension{Value: 44, Unit: Mm}},
		"b9":      {Dimension{Value: 44, Unit: Mm}, Dimension{Value: 62, Unit: Mm}},
		"b8":      {Dimension{Value: 62, Unit: Mm}, Dimension{Value: 88, Unit: Mm}},
		"b7":      {Dimension{Value: 88, Unit: Mm}, Dimension{Value: 125, Unit: Mm}},
		"b6":      {Dimension{Value: 125, Unit: Mm}, Dimension{Value: 176, Unit: Mm}},
		"b5":      {Dimension{Value: 176, Unit: Mm}, Dimension{Value: 250, Unit: Mm}},
		"b4":      {Dimension{Value: 250, Unit: Mm}, Dimension{Value: 353, Unit: Mm}},
		"b3":      {Dimension{Value: 353, Unit: Mm}, Dimension{Value: 500, Unit: Mm}},
		"b2":      {Dimension{Value: 500, Unit: Mm}, Dimension{Value: 707, Unit: Mm}},
		"b1":      {Dimension{Value: 707, Unit: Mm}, Dimension{Value: 1000, Unit: Mm}},
		"b0":      {Dimension{Value: 1000, Unit: Mm}, Dimension{Value: 1414, Unit: Mm}},
		"c10":     {Dimension{Value: 28, Unit: Mm}, Dimension{Value: 40, Unit: Mm}},
		"c9":      {Dimension{Value: 40, Unit: Mm}, Dimension{Value: 57, Unit: Mm}},
		"c8":      {Dimension{Value: 57, Unit: Mm}, Dimension{Value: 81, Unit: Mm}},
		"c7":      {Dimension{Value: 81, Unit: Mm}, Dimension{Value: 114, Unit: Mm}},
		"c6":      {Dimension{Value: 114, Unit: Mm}, Dimension{Value: 162, Unit: Mm}},
		"c5":      {Dimension{Value: 162, Unit: Mm}, Dimension{Value: 229, Unit: Mm}},
		"c4":      {Dimension{Value: 229, Unit: Mm}, Dimension{Value: 324, Unit: Mm}},
		"c3":      {Dimension{Value: 324, Unit: Mm}, Dimension{Value: 458, Unit: Mm}},
		"c2":      {Dimension{Value: 458, Unit: Mm}, Dimension{Value: 648, Unit: Mm}},
		"c1":      {Dimension{Value: 648, Unit: Mm}, Dimension{Value: 917, Unit: Mm}},
		"c0":      {Dimension{Value: 917, Unit: Mm}, Dimension{Value: 1297, Unit: Mm}},
		"jis-b10": {Dimension{Value: 32, Unit: Mm}, Dimension{Value: 45, Unit: Mm}},
		"jis-b9":  {Dimension{Value: 45, Unit: Mm}, Dimension{Value: 64, Unit: Mm}},
		"jis-b8":  {Dimension{Value: 64, Unit: Mm}, Dimension{Value: 91, Unit: Mm}},
		"jis-b7":  {Dimension{Value: 91, Unit: Mm}, Dimension{Value: 128, Unit: Mm}},
		"jis-b6":  {Dimension{Value: 128, Unit: Mm}, Dimension{Value: 182, Unit: Mm}},
		"jis-b5":  {Dimension{Value: 182, Unit: Mm}, Dimension{Value: 257, Unit: Mm}},
		"jis-b4":  {Dimension{Value: 257, Unit: Mm}, Dimension{Value: 364, Unit: Mm}},
		"jis-b3":  {Dimension{Value: 364, Unit: Mm}, Dimension{Value: 515, Unit: Mm}},
		"jis-b2":  {Dimension{Value: 515, Unit: Mm}, Dimension{Value: 728, Unit: Mm}},
		"jis-b1":  {Dimension{Value: 728, Unit: Mm}, Dimension{Value: 1030, Unit: Mm}},
		"jis-b0":  {Dimension{Value: 1030, Unit: Mm}, Dimension{Value: 1456, Unit: Mm}},
		"letter":  {Dimension{Value: 8.5, Unit: In}, Dimension{Value: 11, Unit: In}},
		"legal":   {Dimension{Value: 8.5, Unit: In}, Dimension{Value: 14, Unit: In}},
		"ledger":  {Dimension{Value: 11, Unit: In}, Dimension{Value: 17, Unit: In}},
	}

	A4 = Point{Dimension{Value: 210, Unit: Mm}, Dimension{Value: 297, Unit: Mm}}

	KnownProperties = NewSetK()

	// Do not list shorthand properties here as we handle them before inheritance.
	//
	// Values inherited but not applicable to print are not included.
	//
	// text_decoration is not a really inherited, see
	// http://www.w3.org/TR/CSS2/text.html#propdef-text-decoration
	//
	// link: click events normally bubble up to link ancestors
	// See http://lists.w3.org/Archives/Public/www-style/2012Jun/0315.html
	Inherited = NewSetK(
		PBorderCollapse,
		PBorderSpacing,
		PCaptionSide,
		PColor,
		PDirection,
		PEmptyCells,
		PFontFamily,
		PFontFeatureSettings,
		PFontKerning,
		PFontLanguageOverride,
		PFontSize,
		PFontStyle,
		PFontStretch,
		PFontVariant,
		PFontVariantAlternates,
		PFontVariantCaps,
		PFontVariantEastAsian,
		PFontVariantLigatures,
		PFontVariantNumeric,
		PFontVariantPosition,
		PFontVariationSettings,
		PFontWeight,
		PHyphens,
		PHyphenateCharacter,
		PHyphenateLimitChars,
		PHyphenateLimitZone,
		PImageRendering,
		PImageResolution,
		PLang,
		PLetterSpacing,
		PLineHeight,
		PLink,
		PListStyleImage,
		PListStylePosition,
		PListStyleType,
		POrphans,
		POverflowWrap,
		PQuotes,
		PTabSize,
		PTextAlignAll,
		PTextAlignLast,
		PTextIndent,
		PTextTransform,
		PVisibility,
		PWhiteSpace,
		PWidows,
		PWordSpacing,
		PWordBreak,
	)

	// Not applicable to the print media
	NotPrintMedia = utils.NewSet(

		"azimuth",
		"cue",
		"cue-after",
		"cue-before",
		"elevation",
		"pause",
		"pause-after",
		"pause-before",
		"pitch-range",
		"pitch",
		"play-during",
		"richness",
		"speak-header",
		"speak-numeral",
		"speak-punctuation",
		"speak",
		"speech-rate",
		"stress",
		"voice-family",
		"volume",

		"cursor",

		"animation",
		"animation-delay",
		"animation-direction",
		"animation-duration",
		"animation-fill-mode",
		"animation-iteration-count",
		"animation-name",
		"animation-play-state",
		"animation-timing-function",
		"transition",
		"transition-delay",
		"transition-duration",
		"transition-property",
		"transition-timing-function",
	)

	// http://www.w3.org/TR/CSS21/tables.html#model
	// See also http://lists.w3.org/Archives/Public/www-style/2012Jun/0066.html
	// Only non-inherited properties need to be included here.
	TableWrapperBoxProperties = NewSetK(
		PBottom,
		PBreakAfter,
		PBreakBefore,
		PBreakInside,
		PClear,
		PCounterIncrement,
		PCounterReset,
		PCounterSet,
		PFloat,
		PLeft,
		PMarginTop,
		PMarginBottom,
		PMarginLeft,
		PMarginRight,
		POpacity,
		POverflow,
		PPosition,
		PRight,
		PTop,
		PTransform,
		PTransformOrigin,
		PVerticalAlign,
		PZIndex,
	)

	InitialNotComputed = NewSetK(
		PDisplay,
		PColumnGap,
		PBleedTop,
		PBleedLeft,
		PBleedBottom,
		PBleedRight,
		POutlineWidth,
		POutlineColor,
		PColumnRuleWidth,
		PColumnRuleColor,
		PBorderTopWidth,
		PBorderLeftWidth,
		PBorderBottomWidth,
		PBorderRightWidth,
		PBorderTopColor,
		PBorderLeftColor,
		PBorderBottomColor,
		PBorderRightColor,
	)
)
View Source 
var Inf = Float(math.Inf(+1))
View Source 
var InitialValues = Properties{}/* 159 elements not displayed */

InitialValues stores the default values for the CSS properties.

View Source 
var PropsFromNames = map[string]KnownProp{}/* 159 elements not displayed */

PropsFromNames maps CSS property names to internal enum tags.

Functions

func Is 

func Is(m MaybeFloat) bool

Return true except for 0 or nil

Types

type AttrData 

type AttrData struct {
	Fallback   CssProperty
	Name       string
	TypeOrUnit string
}

func (AttrData) IsNone 

func (v AttrData) IsNone() bool

type Bool 

type Bool bool

type BoolString 

type BoolString struct {
	String string
	Bool   bool
}

func (BoolString) IsNone 

func (v BoolString) IsNone() bool

type CascadedProperty 

type CascadedProperty struct {
	Default DefaultKind
	// contains filtered or unexported fields
}

CascadedProperty is the second form of a CSS input : var() calls have been resolved and the remaining raw properties have been checked. It is thus either a plain CSS property, or a default value.

func AsCascaded 

func AsCascaded(prop CssProperty) CascadedProperty

func (CascadedProperty) AsValidated 

func (c CascadedProperty) AsValidated() ValidatedProperty

AsValidated wraps the property into a ValidatedProperty

func (CascadedProperty) IsNone 

func (v CascadedProperty) IsNone() bool

func (CascadedProperty) ToCSS 

func (c CascadedProperty) ToCSS() CssProperty

ToCSS will panic if c.Default is not 0.

type Center 

type Center struct {
	OriginX string
	OriginY string
	Pos     Point
}

func (Center) IsNone 

func (v Center) IsNone() bool

type Centers 

type Centers []Center

func (Centers) Repeat 

func (bs Centers) Repeat(n int) CssProperty

type Color 

type Color parser.Color

func NewColor 

func NewColor(r, g, b, a Fl) Color

type ColorStop 

type ColorStop struct {
	Color    Color
	Position Dimension
}

func (ColorStop) IsNone 

func (v ColorStop) IsNone() bool

type ColorsStops 

type ColorsStops []ColorStop

type ContentProperties 

type ContentProperties []ContentProperty

type ContentProperty 

type ContentProperty struct {
	// SStrings for type STRING, attr or string, counter, counters
	// Quote for type QUOTE
	// Url for URI
	// String for leader()
	Content InnerContent

	Type string
}

func (ContentProperty) AsCounter 

func (c ContentProperty) AsCounter() (counterName string, counterStyle CounterStyleID)

func (ContentProperty) AsCounters 

func (c ContentProperty) AsCounters() (counterName, separator string, counterStyle CounterStyleID)

func (ContentProperty) AsLeader 

func (c ContentProperty) AsLeader() string

func (ContentProperty) AsQuote 

func (c ContentProperty) AsQuote() Quote

func (ContentProperty) AsString 

func (c ContentProperty) AsString() (value string)

func (ContentProperty) AsStrings 

func (c ContentProperty) AsStrings() []string

func (ContentProperty) AsTargetCounter 

func (c ContentProperty) AsTargetCounter() (anchorToken ContentProperty, counterName, counterStyle string)

func (ContentProperty) AsTargetCounters 

func (c ContentProperty) AsTargetCounters() (anchorToken ContentProperty, counterName string, separator ContentProperty, counterStyle string)

func (ContentProperty) AsTargetText 

func (c ContentProperty) AsTargetText() (anchorToken ContentProperty, textStyle string)

func (ContentProperty) IsNone 

func (v ContentProperty) IsNone() bool

type CounterStyleID 

type CounterStyleID struct {
	Type    string // one of symbols(), string, or empty for an identifier
	Name    string
	Symbols Strings
}

func (CounterStyleID) IsNone 

func (v CounterStyleID) IsNone() bool

type Counters 

type Counters struct {
	Name      string
	Separator string // optional, only valid for counters()
	Style     CounterStyleID
}

Counters store a counter() or counters() attribute

func (Counters) IsNone 

func (v Counters) IsNone() bool

type CssProperty 

type CssProperty interface {
	// contains filtered or unexported methods
}

type Decorations 

type Decorations utils.Set

func (Decorations) IsNone 

func (v Decorations) IsNone() bool

func (Decorations) Union added in v0.0.3 

func (dec Decorations) Union(other Decorations) Decorations

Union return the union of [s] and [other]

type DefaultKind 

type DefaultKind uint8
const (
	Inherit DefaultKind = iota + 1
	Initial
)

func (DefaultKind) AsCascaded 

func (d DefaultKind) AsCascaded() CascadedProperty

AsCascaded wraps the default to a CascadedProperty

type Dimension 

type Dimension struct {
	Unit  Unit
	Value Float
}

Dimension without unit is interpreted as float

func FToD 

func FToD(f Fl) Dimension

func (Dimension) IsNone 

func (v Dimension) IsNone() bool

func (Dimension) ToPixels 

func (d Dimension) ToPixels() Dimension

func (Dimension) ToValue 

func (d Dimension) ToValue() Value

ToValue wraps `d` to a Value object.

type Dimensions 

type Dimensions []Dimension

type DirectionType 

type DirectionType struct {
	Corner string
	Angle  Fl
}

func (DirectionType) IsNone 

func (v DirectionType) IsNone() bool

type Display 

type Display [3]string

func (Display) Has 

func (d Display) Has(v string) bool

Has returns `true` is v is one of the three elements.

type ElementStyle 

type ElementStyle interface {
	StyleAccessor

	// Set is the generic method to set an arbitrary property.
	// Type accessors should be used when possible.
	Set(key PropKey, value CssProperty)

	// Get is the generic method to access an arbitrary property.
	// Type accessors should be used when possible.
	Get(key PropKey) CssProperty

	// Copy returns a deep copy of the style.
	Copy() ElementStyle

	ParentStyle() ElementStyle
	Variables() map[string]ValidatedProperty

	Specified() SpecifiedAttributes

	Cache() TextRatioCache
}

ElementStyle defines a common interface to access style properties. Implementations will typically compute the property on the fly and cache the result.

type Fl 

type Fl = utils.Fl

type Float 

type Float Fl

func Abs 

func Abs(x Float) Float

func Floor 

func Floor(x Float) Float

func Hypot 

func Hypot(a, b Float) Float

func Max 

func Max(x, y Float) Float

func Maxs 

func Maxs(values ...Float) Float

func MaybeFloatToFloat added in v0.0.2 

func MaybeFloatToFloat(mf MaybeFloat) Float

MaybeFloatToFloat is the same as MaybeFloat.V(), but handles nil values

func Min 

func Min(x, y Float) Float

func Mins 

func Mins(values ...Float) Float

func (Float) ToValue 

func (f Float) ToValue() Value

func (Float) V 

func (f Float) V() Float

type FloatString added in v0.0.3 

type FloatString struct {
	String string
	Float  Fl
}

type GradientSize 

type GradientSize struct {
	Keyword  string
	Explicit Point
}

func (GradientSize) IsExplicit 

func (s GradientSize) IsExplicit() bool

func (GradientSize) IsNone 

func (v GradientSize) IsNone() bool

type Image 

type Image interface {
	// InnerContent
	CssProperty
	// contains filtered or unexported methods
}

Might be an existing image or a gradient

type Images 

type Images []Image

func (Images) Repeat 

func (bs Images) Repeat(n int) CssProperty

type InnerContent 

type InnerContent interface {
	// contains filtered or unexported methods
}

guard for possible content properties

type Int 

type Int int

type IntNamedString 

type IntNamedString struct {
	NamedString
	Int int
}

func (IntNamedString) IsNone 

func (v IntNamedString) IsNone() bool

type IntString 

type IntString struct {
	String string
	Int    int
}

func (IntString) IsNone 

func (v IntString) IsNone() bool

type IntStrings 

type IntStrings []IntString

type Ints3 

type Ints3 [3]int

func (Ints3) IsNone 

func (v Ints3) IsNone() bool

type KnownProp added in v0.0.5 

type KnownProp uint8

KnownProp efficiently encode a known CSS property 

const (

	// the following properties are grouped by side,
	// in the [bottom, left, right, top] order,
	// so that, if side in an index (0, 1, 2 or 3),
	// the property is a PBorderBottomColor + side * 5
	// DO NOT CHANGE the order, because
	PBorderBottomColor KnownProp
	PBorderBottomStyle
	PBorderBottomWidth
	PMarginBottom
	PPaddingBottom

	PBorderLeftColor
	PBorderLeftStyle
	PBorderLeftWidth
	PMarginLeft
	PPaddingLeft

	PBorderRightColor
	PBorderRightStyle
	PBorderRightWidth
	PMarginRight
	PPaddingRight

	PBorderTopColor
	PBorderTopStyle
	PBorderTopWidth
	PMarginTop
	PPaddingTop

	// min-XXX is at +2, max-XXX is a + 4
	PWidth
	PHeight
	PMinWidth
	PMinHeight
	PMaxWidth
	PMaxHeight

	PColor
	PDirection
	PDisplay
	PFloat
	PLineHeight

	PPosition
	PTableLayout
	PTop
	PUnicodeBidi
	PVerticalAlign
	PVisibility
	PZIndex

	PBorderBottomLeftRadius
	PBorderBottomRightRadius
	PBorderTopLeftRadius
	PBorderTopRightRadius

	POpacity

	PColumnRuleStyle
	PColumnRuleWidth
	PColumnCount
	PColumnWidth

	PFontFamily
	PFontFeatureSettings
	PFontKerning
	PFontLanguageOverride
	PFontSize
	PFontStretch
	PFontStyle
	PFontVariantAlternates
	PFontVariantCaps
	PFontVariantEastAsian
	PFontVariantLigatures
	PFontVariantNumeric
	PFontVariantPosition
	PFontWeight
	PFontVariationSettings

	PHyphenateCharacter
	PHyphenateLimitChars
	PHyphens
	PLetterSpacing
	PTextAlignAll
	PTextAlignLast
	PTextIndent
	PTextTransform
	PWhiteSpace
	PWordBreak
	PWordSpacing
	PTransform

	PContinue
	PMaxLines
	POverflow
	POverflowWrap
	PCounterIncrement
	PCounterReset
	PCounterSet

	PAnchor
	PLink
	PLang

	PBoxDecorationBreak

	PBookmarkLabel
	PBookmarkLevel
	PBookmarkState
	PContent

	PStringSet
	PImageOrientation

	PPage
	PAppearance
	POutlineColor
	POutlineStyle
	POutlineWidth
	PBoxSizing

	// The following properties are all background related,
	// in the order expected by expandBackground
	PBackgroundColor
	PBackgroundImage
	PBackgroundRepeat
	PBackgroundAttachment
	PBackgroundPosition
	PBackgroundSize
	PBackgroundClip
	PBackgroundOrigin

	// text-decoration-XXX
	PTextDecorationLine
	PTextDecorationColor
	PTextDecorationStyle

	PBreakAfter
	PBreakBefore
	PBreakInside

	PAlignContent
	PAlignItems
	PAlignSelf
	PFlexBasis
	PFlexDirection
	PFlexGrow
	PFlexShrink
	PFlexWrap
	PJustifyContent
	POrder

	PBottom
	PCaptionSide
	PClear
	PClip
	PEmptyCells
	PLeft
	PRight

	PListStyleImage
	PListStylePosition
	PListStyleType

	PTextOverflow
	PBlockEllipsis
	PBorderCollapse
	PBorderSpacing

	PTransformOrigin

	PFontVariant

	PTabSize

	PMarginBreak
	POrphans
	PWidows

	PFootnoteDisplay
	PFootnotePolicy
	PQuotes

	PImageResolution
	PImageRendering

	PColumnGap
	PColumnFill
	PColumnSpan
	PColumnRuleColor

	PSize
	PBleedLeft
	PBleedRight
	PBleedTop
	PBleedBottom
	PMarks

	PObjectFit
	PObjectPosition

	PHyphenateLimitZone

	NbProperties
)

func (KnownProp) IsTextDecoration added in v0.0.5 

func (pr KnownProp) IsTextDecoration() bool

func (KnownProp) Key added in v0.0.5 

func (p KnownProp) Key() PropKey

func (KnownProp) String added in v0.0.5 

func (p KnownProp) String() string

type LinearGradient 

type LinearGradient struct {
	ColorStops ColorsStops
	Direction  DirectionType
	Repeating  bool
}

func (LinearGradient) IsNone 

func (v LinearGradient) IsNone() bool

type Marks 

type Marks struct {
	Crop  bool
	Cross bool
}

func (Marks) IsNone 

func (v Marks) IsNone() bool

type MaybeBool 

type MaybeBool interface {
	// contains filtered or unexported methods
}

MaybeBool stores a tree state boolean : true, false or nil

type MaybeFloat 

type MaybeFloat interface {
	V() Float
}

func ResoudPercentage 

func ResoudPercentage(value Value, referTo Float) MaybeFloat

Return the percentage of the reference value, or the value unchanged. “referTo“ is the length for 100%. If “referTo“ is not a number, it just replaces percentages.

type NamedProperties 

type NamedProperties []NamedProperty

type NamedProperty 

type NamedProperty struct {
	Name     PropKey
	Property ValidatedProperty
}

func (NamedProperty) IsNone 

func (v NamedProperty) IsNone() bool

type NamedString 

type NamedString struct {
	Name   string
	String string
}

func (NamedString) IsNone 

func (v NamedString) IsNone() bool

type NoneImage 

type NoneImage struct{}

type OptionalRanges 

type OptionalRanges struct {
	Ranges [][2]int
	Auto   bool
}

OptionalRanges is either 'auto' or a slice of ranges.

func (OptionalRanges) IsNone 

func (v OptionalRanges) IsNone() bool

type Page 

type Page struct {
	String string
	Valid  bool
	Page   int
}

func (Page) IsNone 

func (v Page) IsNone() bool

type Point 

type Point [2]Dimension

func (Point) IsNone 

func (v Point) IsNone() bool

func (Point) ToPixels 

func (p Point) ToPixels() Point

func (Point) ToSlice 

func (p Point) ToSlice() []Dimension

type PropKey added in v0.0.5 

type PropKey struct {
	KnownProp
	Var string // with leading --
}

PropKey stores a CSS property name, supporting variables.

func (PropKey) String added in v0.0.5 

func (pr PropKey) String() string

type Properties 

type Properties map[KnownProp]CssProperty

Properties is the general container for validated, cascaded and computed properties. In addition to the generic acces, an attempt to provide a "type safe" way is provided through the GetXXX and SetXXX methods. It relies on the convention than all the keys should be present, and values never be nil. "None" values are then encoded by the zero value of the concrete type.

func (Properties) Copy 

func (p Properties) Copy() Properties

Copy return a shallow copy.

func (Properties) GetAlignContent 

func (s Properties) GetAlignContent() String

func (Properties) GetAlignItems 

func (s Properties) GetAlignItems() String

func (Properties) GetAlignSelf 

func (s Properties) GetAlignSelf() String

func (Properties) GetAnchor 

func (s Properties) GetAnchor() String

func (Properties) GetAppearance added in v0.0.3 

func (s Properties) GetAppearance() String

func (Properties) GetBackgroundAttachment 

func (s Properties) GetBackgroundAttachment() Strings

func (Properties) GetBackgroundClip 

func (s Properties) GetBackgroundClip() Strings

func (Properties) GetBackgroundColor 

func (s Properties) GetBackgroundColor() Color

func (Properties) GetBackgroundImage 

func (s Properties) GetBackgroundImage() Images

func (Properties) GetBackgroundOrigin 

func (s Properties) GetBackgroundOrigin() Strings

func (Properties) GetBackgroundPosition 

func (s Properties) GetBackgroundPosition() Centers

func (Properties) GetBackgroundRepeat 

func (s Properties) GetBackgroundRepeat() Repeats

func (Properties) GetBackgroundSize 

func (s Properties) GetBackgroundSize() Sizes

func (Properties) GetBleedBottom 

func (s Properties) GetBleedBottom() Value

func (Properties) GetBleedLeft 

func (s Properties) GetBleedLeft() Value

func (Properties) GetBleedRight 

func (s Properties) GetBleedRight() Value

func (Properties) GetBleedTop 

func (s Properties) GetBleedTop() Value

func (Properties) GetBlockEllipsis 

func (s Properties) GetBlockEllipsis() TaggedString

func (Properties) GetBookmarkLabel 

func (s Properties) GetBookmarkLabel() ContentProperties

func (Properties) GetBookmarkLevel 

func (s Properties) GetBookmarkLevel() IntString

func (Properties) GetBookmarkState 

func (s Properties) GetBookmarkState() String

func (Properties) GetBorderBottomColor 

func (s Properties) GetBorderBottomColor() Color

func (Properties) GetBorderBottomLeftRadius 

func (s Properties) GetBorderBottomLeftRadius() Point

func (Properties) GetBorderBottomRightRadius 

func (s Properties) GetBorderBottomRightRadius() Point

func (Properties) GetBorderBottomStyle 

func (s Properties) GetBorderBottomStyle() String

func (Properties) GetBorderBottomWidth 

func (s Properties) GetBorderBottomWidth() Value

func (Properties) GetBorderCollapse 

func (s Properties) GetBorderCollapse() String

func (Properties) GetBorderLeftColor 

func (s Properties) GetBorderLeftColor() Color

func (Properties) GetBorderLeftStyle 

func (s Properties) GetBorderLeftStyle() String

func (Properties) GetBorderLeftWidth 

func (s Properties) GetBorderLeftWidth() Value

func (Properties) GetBorderRightColor 

func (s Properties) GetBorderRightColor() Color

func (Properties) GetBorderRightStyle 

func (s Properties) GetBorderRightStyle() String

func (Properties) GetBorderRightWidth 

func (s Properties) GetBorderRightWidth() Value

func (Properties) GetBorderSpacing 

func (s Properties) GetBorderSpacing() Point

func (Properties) GetBorderTopColor 

func (s Properties) GetBorderTopColor() Color

func (Properties) GetBorderTopLeftRadius 

func (s Properties) GetBorderTopLeftRadius() Point

func (Properties) GetBorderTopRightRadius 

func (s Properties) GetBorderTopRightRadius() Point

func (Properties) GetBorderTopStyle 

func (s Properties) GetBorderTopStyle() String

func (Properties) GetBorderTopWidth 

func (s Properties) GetBorderTopWidth() Value

func (Properties) GetBottom 

func (s Properties) GetBottom() Value

func (Properties) GetBoxDecorationBreak 

func (s Properties) GetBoxDecorationBreak() String

func (Properties) GetBoxSizing 

func (s Properties) GetBoxSizing() String

func (Properties) GetBreakAfter 

func (s Properties) GetBreakAfter() String

func (Properties) GetBreakBefore 

func (s Properties) GetBreakBefore() String

func (Properties) GetBreakInside 

func (s Properties) GetBreakInside() String

func (Properties) GetCaptionSide 

func (s Properties) GetCaptionSide() String

func (Properties) GetClear 

func (s Properties) GetClear() String

func (Properties) GetClip 

func (s Properties) GetClip() Values

func (Properties) GetColor 

func (s Properties) GetColor() Color

func (Properties) GetColumnCount 

func (s Properties) GetColumnCount() IntString

func (Properties) GetColumnFill 

func (s Properties) GetColumnFill() String

func (Properties) GetColumnGap 

func (s Properties) GetColumnGap() Value

func (Properties) GetColumnRuleColor 

func (s Properties) GetColumnRuleColor() Color

func (Properties) GetColumnRuleStyle 

func (s Properties) GetColumnRuleStyle() String

func (Properties) GetColumnRuleWidth 

func (s Properties) GetColumnRuleWidth() Value

func (Properties) GetColumnSpan 

func (s Properties) GetColumnSpan() String

func (Properties) GetColumnWidth 

func (s Properties) GetColumnWidth() Value

func (Properties) GetContent 

func (s Properties) GetContent() SContent

func (Properties) GetContinue 

func (s Properties) GetContinue() String

func (Properties) GetCounterIncrement 

func (s Properties) GetCounterIncrement() SIntStrings

func (Properties) GetCounterReset 

func (s Properties) GetCounterReset() SIntStrings

func (Properties) GetCounterSet 

func (s Properties) GetCounterSet() SIntStrings

func (Properties) GetDirection 

func (s Properties) GetDirection() String

func (Properties) GetDisplay 

func (s Properties) GetDisplay() Display

func (Properties) GetEmptyCells 

func (s Properties) GetEmptyCells() String

func (Properties) GetFlexBasis 

func (s Properties) GetFlexBasis() Value

func (Properties) GetFlexDirection 

func (s Properties) GetFlexDirection() String

func (Properties) GetFlexGrow 

func (s Properties) GetFlexGrow() Float

func (Properties) GetFlexShrink 

func (s Properties) GetFlexShrink() Float

func (Properties) GetFlexWrap 

func (s Properties) GetFlexWrap() String

func (Properties) GetFloat 

func (s Properties) GetFloat() String

func (Properties) GetFontFamily 

func (s Properties) GetFontFamily() Strings

func (Properties) GetFontFeatureSettings 

func (s Properties) GetFontFeatureSettings() SIntStrings

func (Properties) GetFontKerning 

func (s Properties) GetFontKerning() String

func (Properties) GetFontLanguageOverride 

func (s Properties) GetFontLanguageOverride() String

func (Properties) GetFontSize 

func (s Properties) GetFontSize() Value

func (Properties) GetFontStretch 

func (s Properties) GetFontStretch() String

func (Properties) GetFontStyle 

func (s Properties) GetFontStyle() String

func (Properties) GetFontVariant 

func (s Properties) GetFontVariant() String

func (Properties) GetFontVariantAlternates 

func (s Properties) GetFontVariantAlternates() String

func (Properties) GetFontVariantCaps 

func (s Properties) GetFontVariantCaps() String

func (Properties) GetFontVariantEastAsian 

func (s Properties) GetFontVariantEastAsian() SStrings

func (Properties) GetFontVariantLigatures 

func (s Properties) GetFontVariantLigatures() SStrings

func (Properties) GetFontVariantNumeric 

func (s Properties) GetFontVariantNumeric() SStrings

func (Properties) GetFontVariantPosition 

func (s Properties) GetFontVariantPosition() String

func (Properties) GetFontVariationSettings added in v0.0.3 

func (s Properties) GetFontVariationSettings() SFloatStrings

func (Properties) GetFontWeight 

func (s Properties) GetFontWeight() IntString

func (Properties) GetFootnoteDisplay added in v0.0.2 

func (s Properties) GetFootnoteDisplay() String

func (Properties) GetFootnotePolicy added in v0.0.2 

func (s Properties) GetFootnotePolicy() String

func (Properties) GetHeight 

func (s Properties) GetHeight() Value

func (Properties) GetHyphenateCharacter 

func (s Properties) GetHyphenateCharacter() String

func (Properties) GetHyphenateLimitChars 

func (s Properties) GetHyphenateLimitChars() Ints3

func (Properties) GetHyphenateLimitZone 

func (s Properties) GetHyphenateLimitZone() Value

func (Properties) GetHyphens 

func (s Properties) GetHyphens() String

func (Properties) GetImageOrientation added in v0.0.3 

func (s Properties) GetImageOrientation() SBoolFloat

func (Properties) GetImageRendering 

func (s Properties) GetImageRendering() String

func (Properties) GetImageResolution 

func (s Properties) GetImageResolution() Value

func (Properties) GetJustifyContent 

func (s Properties) GetJustifyContent() String

func (Properties) GetLang 

func (s Properties) GetLang() NamedString

func (Properties) GetLeft 

func (s Properties) GetLeft() Value

func (Properties) GetLetterSpacing 

func (s Properties) GetLetterSpacing() Value

func (Properties) GetLineHeight 

func (s Properties) GetLineHeight() Value
func (s Properties) GetLink() NamedString

func (Properties) GetListStyleImage 

func (s Properties) GetListStyleImage() Image

func (Properties) GetListStylePosition 

func (s Properties) GetListStylePosition() String

func (Properties) GetListStyleType 

func (s Properties) GetListStyleType() CounterStyleID

func (Properties) GetMarginBottom 

func (s Properties) GetMarginBottom() Value

func (Properties) GetMarginBreak 

func (s Properties) GetMarginBreak() String

func (Properties) GetMarginLeft 

func (s Properties) GetMarginLeft() Value

func (Properties) GetMarginRight 

func (s Properties) GetMarginRight() Value

func (Properties) GetMarginTop 

func (s Properties) GetMarginTop() Value

func (Properties) GetMarks 

func (s Properties) GetMarks() Marks

func (Properties) GetMaxHeight 

func (s Properties) GetMaxHeight() Value

func (Properties) GetMaxLines 

func (s Properties) GetMaxLines() TaggedInt

func (Properties) GetMaxWidth 

func (s Properties) GetMaxWidth() Value

func (Properties) GetMinHeight 

func (s Properties) GetMinHeight() Value

func (Properties) GetMinWidth 

func (s Properties) GetMinWidth() Value

func (Properties) GetObjectFit 

func (s Properties) GetObjectFit() String

func (Properties) GetObjectPosition 

func (s Properties) GetObjectPosition() Center

func (Properties) GetOpacity 

func (s Properties) GetOpacity() Float

func (Properties) GetOrder 

func (s Properties) GetOrder() Int

func (Properties) GetOrphans 

func (s Properties) GetOrphans() Int

func (Properties) GetOutlineColor 

func (s Properties) GetOutlineColor() Color

func (Properties) GetOutlineStyle 

func (s Properties) GetOutlineStyle() String

func (Properties) GetOutlineWidth 

func (s Properties) GetOutlineWidth() Value

func (Properties) GetOverflow 

func (s Properties) GetOverflow() String

func (Properties) GetOverflowWrap 

func (s Properties) GetOverflowWrap() String

func (Properties) GetPaddingBottom 

func (s Properties) GetPaddingBottom() Value

func (Properties) GetPaddingLeft 

func (s Properties) GetPaddingLeft() Value

func (Properties) GetPaddingRight 

func (s Properties) GetPaddingRight() Value

func (Properties) GetPaddingTop 

func (s Properties) GetPaddingTop() Value

func (Properties) GetPage 

func (s Properties) GetPage() Page

func (Properties) GetPosition 

func (s Properties) GetPosition() BoolString

func (Properties) GetQuotes 

func (s Properties) GetQuotes() Quotes

func (Properties) GetRight 

func (s Properties) GetRight() Value

func (Properties) GetSize 

func (s Properties) GetSize() Point

func (Properties) GetStringSet 

func (s Properties) GetStringSet() StringSet

func (Properties) GetTabSize 

func (s Properties) GetTabSize() Value

func (Properties) GetTableLayout 

func (s Properties) GetTableLayout() String

func (Properties) GetTextAlignAll 

func (s Properties) GetTextAlignAll() String

func (Properties) GetTextAlignLast 

func (s Properties) GetTextAlignLast() String

func (Properties) GetTextDecorationColor 

func (s Properties) GetTextDecorationColor() Color

func (Properties) GetTextDecorationLine 

func (s Properties) GetTextDecorationLine() Decorations

func (Properties) GetTextDecorationStyle 

func (s Properties) GetTextDecorationStyle() String

func (Properties) GetTextIndent 

func (s Properties) GetTextIndent() Value

func (Properties) GetTextOverflow 

func (s Properties) GetTextOverflow() String

func (Properties) GetTextTransform 

func (s Properties) GetTextTransform() String

func (Properties) GetTop 

func (s Properties) GetTop() Value

func (Properties) GetTransform 

func (s Properties) GetTransform() Transforms

func (Properties) GetTransformOrigin 

func (s Properties) GetTransformOrigin() Point

func (Properties) GetUnicodeBidi 

func (s Properties) GetUnicodeBidi() String

func (Properties) GetVerticalAlign 

func (s Properties) GetVerticalAlign() Value

func (Properties) GetVisibility 

func (s Properties) GetVisibility() String

func (Properties) GetWhiteSpace 

func (s Properties) GetWhiteSpace() String

func (Properties) GetWidows 

func (s Properties) GetWidows() Int

func (Properties) GetWidth 

func (s Properties) GetWidth() Value

func (Properties) GetWordBreak added in v0.0.2 

func (s Properties) GetWordBreak() String

func (Properties) GetWordSpacing 

func (s Properties) GetWordSpacing() Value

func (Properties) GetZIndex 

func (s Properties) GetZIndex() IntString

func (Properties) SetAlignContent 

func (s Properties) SetAlignContent(v String)

func (Properties) SetAlignItems 

func (s Properties) SetAlignItems(v String)

func (Properties) SetAlignSelf 

func (s Properties) SetAlignSelf(v String)

func (Properties) SetAnchor 

func (s Properties) SetAnchor(v String)

func (Properties) SetAppearance added in v0.0.3 

func (s Properties) SetAppearance(v String)

func (Properties) SetBackgroundAttachment 

func (s Properties) SetBackgroundAttachment(v Strings)

func (Properties) SetBackgroundClip 

func (s Properties) SetBackgroundClip(v Strings)

func (Properties) SetBackgroundColor 

func (s Properties) SetBackgroundColor(v Color)

func (Properties) SetBackgroundImage 

func (s Properties) SetBackgroundImage(v Images)

func (Properties) SetBackgroundOrigin 

func (s Properties) SetBackgroundOrigin(v Strings)

func (Properties) SetBackgroundPosition 

func (s Properties) SetBackgroundPosition(v Centers)

func (Properties) SetBackgroundRepeat 

func (s Properties) SetBackgroundRepeat(v Repeats)

func (Properties) SetBackgroundSize 

func (s Properties) SetBackgroundSize(v Sizes)

func (Properties) SetBleedBottom 

func (s Properties) SetBleedBottom(v Value)

func (Properties) SetBleedLeft 

func (s Properties) SetBleedLeft(v Value)

func (Properties) SetBleedRight 

func (s Properties) SetBleedRight(v Value)

func (Properties) SetBleedTop 

func (s Properties) SetBleedTop(v Value)

func (Properties) SetBlockEllipsis 

func (s Properties) SetBlockEllipsis(v TaggedString)

func (Properties) SetBookmarkLabel 

func (s Properties) SetBookmarkLabel(v ContentProperties)

func (Properties) SetBookmarkLevel 

func (s Properties) SetBookmarkLevel(v IntString)

func (Properties) SetBookmarkState 

func (s Properties) SetBookmarkState(v String)

func (Properties) SetBorderBottomColor 

func (s Properties) SetBorderBottomColor(v Color)

func (Properties) SetBorderBottomLeftRadius 

func (s Properties) SetBorderBottomLeftRadius(v Point)

func (Properties) SetBorderBottomRightRadius 

func (s Properties) SetBorderBottomRightRadius(v Point)

func (Properties) SetBorderBottomStyle 

func (s Properties) SetBorderBottomStyle(v String)

func (Properties) SetBorderBottomWidth 

func (s Properties) SetBorderBottomWidth(v Value)

func (Properties) SetBorderCollapse 

func (s Properties) SetBorderCollapse(v String)

func (Properties) SetBorderLeftColor 

func (s Properties) SetBorderLeftColor(v Color)

func (Properties) SetBorderLeftStyle 

func (s Properties) SetBorderLeftStyle(v String)

func (Properties) SetBorderLeftWidth 

func (s Properties) SetBorderLeftWidth(v Value)

func (Properties) SetBorderRightColor 

func (s Properties) SetBorderRightColor(v Color)

func (Properties) SetBorderRightStyle 

func (s Properties) SetBorderRightStyle(v String)

func (Properties) SetBorderRightWidth 

func (s Properties) SetBorderRightWidth(v Value)

func (Properties) SetBorderSpacing 

func (s Properties) SetBorderSpacing(v Point)

func (Properties) SetBorderTopColor 

func (s Properties) SetBorderTopColor(v Color)

func (Properties) SetBorderTopLeftRadius 

func (s Properties) SetBorderTopLeftRadius(v Point)

func (Properties) SetBorderTopRightRadius 

func (s Properties) SetBorderTopRightRadius(v Point)

func (Properties) SetBorderTopStyle 

func (s Properties) SetBorderTopStyle(v String)

func (Properties) SetBorderTopWidth 

func (s Properties) SetBorderTopWidth(v Value)

func (Properties) SetBottom 

func (s Properties) SetBottom(v Value)

func (Properties) SetBoxDecorationBreak 

func (s Properties) SetBoxDecorationBreak(v String)

func (Properties) SetBoxSizing 

func (s Properties) SetBoxSizing(v String)

func (Properties) SetBreakAfter 

func (s Properties) SetBreakAfter(v String)

func (Properties) SetBreakBefore 

func (s Properties) SetBreakBefore(v String)

func (Properties) SetBreakInside 

func (s Properties) SetBreakInside(v String)

func (Properties) SetCaptionSide 

func (s Properties) SetCaptionSide(v String)

func (Properties) SetClear 

func (s Properties) SetClear(v String)

func (Properties) SetClip 

func (s Properties) SetClip(v Values)

func (Properties) SetColor 

func (s Properties) SetColor(v Color)

func (Properties) SetColumnCount 

func (s Properties) SetColumnCount(v IntString)

func (Properties) SetColumnFill 

func (s Properties) SetColumnFill(v String)

func (Properties) SetColumnGap 

func (s Properties) SetColumnGap(v Value)

func (Properties) SetColumnRuleColor 

func (s Properties) SetColumnRuleColor(v Color)

func (Properties) SetColumnRuleStyle 

func (s Properties) SetColumnRuleStyle(v String)

func (Properties) SetColumnRuleWidth 

func (s Properties) SetColumnRuleWidth(v Value)

func (Properties) SetColumnSpan 

func (s Properties) SetColumnSpan(v String)

func (Properties) SetColumnWidth 

func (s Properties) SetColumnWidth(v Value)

func (Properties) SetContent 

func (s Properties) SetContent(v SContent)

func (Properties) SetContinue 

func (s Properties) SetContinue(v String)

func (Properties) SetCounterIncrement 

func (s Properties) SetCounterIncrement(v SIntStrings)

func (Properties) SetCounterReset 

func (s Properties) SetCounterReset(v SIntStrings)

func (Properties) SetCounterSet 

func (s Properties) SetCounterSet(v SIntStrings)

func (Properties) SetDirection 

func (s Properties) SetDirection(v String)

func (Properties) SetDisplay 

func (s Properties) SetDisplay(v Display)

func (Properties) SetEmptyCells 

func (s Properties) SetEmptyCells(v String)

func (Properties) SetFlexBasis 

func (s Properties) SetFlexBasis(v Value)

func (Properties) SetFlexDirection 

func (s Properties) SetFlexDirection(v String)

func (Properties) SetFlexGrow 

func (s Properties) SetFlexGrow(v Float)

func (Properties) SetFlexShrink 

func (s Properties) SetFlexShrink(v Float)

func (Properties) SetFlexWrap 

func (s Properties) SetFlexWrap(v String)

func (Properties) SetFloat 

func (s Properties) SetFloat(v String)

func (Properties) SetFontFamily 

func (s Properties) SetFontFamily(v Strings)

func (Properties) SetFontFeatureSettings 

func (s Properties) SetFontFeatureSettings(v SIntStrings)

func (Properties) SetFontKerning 

func (s Properties) SetFontKerning(v String)

func (Properties) SetFontLanguageOverride 

func (s Properties) SetFontLanguageOverride(v String)

func (Properties) SetFontSize 

func (s Properties) SetFontSize(v Value)

func (Properties) SetFontStretch 

func (s Properties) SetFontStretch(v String)

func (Properties) SetFontStyle 

func (s Properties) SetFontStyle(v String)

func (Properties) SetFontVariant 

func (s Properties) SetFontVariant(v String)

func (Properties) SetFontVariantAlternates 

func (s Properties) SetFontVariantAlternates(v String)

func (Properties) SetFontVariantCaps 

func (s Properties) SetFontVariantCaps(v String)

func (Properties) SetFontVariantEastAsian 

func (s Properties) SetFontVariantEastAsian(v SStrings)

func (Properties) SetFontVariantLigatures 

func (s Properties) SetFontVariantLigatures(v SStrings)

func (Properties) SetFontVariantNumeric 

func (s Properties) SetFontVariantNumeric(v SStrings)

func (Properties) SetFontVariantPosition 

func (s Properties) SetFontVariantPosition(v String)

func (Properties) SetFontVariationSettings added in v0.0.3 

func (s Properties) SetFontVariationSettings(v SFloatStrings)

func (Properties) SetFontWeight 

func (s Properties) SetFontWeight(v IntString)

func (Properties) SetFootnoteDisplay added in v0.0.2 

func (s Properties) SetFootnoteDisplay(v String)

func (Properties) SetFootnotePolicy added in v0.0.2 

func (s Properties) SetFootnotePolicy(v String)

func (Properties) SetHeight 

func (s Properties) SetHeight(v Value)

func (Properties) SetHyphenateCharacter 

func (s Properties) SetHyphenateCharacter(v String)

func (Properties) SetHyphenateLimitChars 

func (s Properties) SetHyphenateLimitChars(v Ints3)

func (Properties) SetHyphenateLimitZone 

func (s Properties) SetHyphenateLimitZone(v Value)

func (Properties) SetHyphens 

func (s Properties) SetHyphens(v String)

func (Properties) SetImageOrientation added in v0.0.3 

func (s Properties) SetImageOrientation(v SBoolFloat)

func (Properties) SetImageRendering 

func (s Properties) SetImageRendering(v String)

func (Properties) SetImageResolution 

func (s Properties) SetImageResolution(v Value)

func (Properties) SetJustifyContent 

func (s Properties) SetJustifyContent(v String)

func (Properties) SetLang 

func (s Properties) SetLang(v NamedString)

func (Properties) SetLeft 

func (s Properties) SetLeft(v Value)

func (Properties) SetLetterSpacing 

func (s Properties) SetLetterSpacing(v Value)

func (Properties) SetLineHeight 

func (s Properties) SetLineHeight(v Value)
func (s Properties) SetLink(v NamedString)

func (Properties) SetListStyleImage 

func (s Properties) SetListStyleImage(v Image)

func (Properties) SetListStylePosition 

func (s Properties) SetListStylePosition(v String)

func (Properties) SetListStyleType 

func (s Properties) SetListStyleType(v CounterStyleID)

func (Properties) SetMarginBottom 

func (s Properties) SetMarginBottom(v Value)

func (Properties) SetMarginBreak 

func (s Properties) SetMarginBreak(v String)

func (Properties) SetMarginLeft 

func (s Properties) SetMarginLeft(v Value)

func (Properties) SetMarginRight 

func (s Properties) SetMarginRight(v Value)

func (Properties) SetMarginTop 

func (s Properties) SetMarginTop(v Value)

func (Properties) SetMarks 

func (s Properties) SetMarks(v Marks)

func (Properties) SetMaxHeight 

func (s Properties) SetMaxHeight(v Value)

func (Properties) SetMaxLines 

func (s Properties) SetMaxLines(v TaggedInt)

func (Properties) SetMaxWidth 

func (s Properties) SetMaxWidth(v Value)

func (Properties) SetMinHeight 

func (s Properties) SetMinHeight(v Value)

func (Properties) SetMinWidth 

func (s Properties) SetMinWidth(v Value)

func (Properties) SetObjectFit 

func (s Properties) SetObjectFit(v String)

func (Properties) SetObjectPosition 

func (s Properties) SetObjectPosition(v Center)

func (Properties) SetOpacity 

func (s Properties) SetOpacity(v Float)

func (Properties) SetOrder 

func (s Properties) SetOrder(v Int)

func (Properties) SetOrphans 

func (s Properties) SetOrphans(v Int)

func (Properties) SetOutlineColor 

func (s Properties) SetOutlineColor(v Color)

func (Properties) SetOutlineStyle 

func (s Properties) SetOutlineStyle(v String)

func (Properties) SetOutlineWidth 

func (s Properties) SetOutlineWidth(v Value)

func (Properties) SetOverflow 

func (s Properties) SetOverflow(v String)

func (Properties) SetOverflowWrap 

func (s Properties) SetOverflowWrap(v String)

func (Properties) SetPaddingBottom 

func (s Properties) SetPaddingBottom(v Value)

func (Properties) SetPaddingLeft 

func (s Properties) SetPaddingLeft(v Value)

func (Properties) SetPaddingRight 

func (s Properties) SetPaddingRight(v Value)

func (Properties) SetPaddingTop 

func (s Properties) SetPaddingTop(v Value)

func (Properties) SetPage 

func (s Properties) SetPage(v Page)

func (Properties) SetPosition 

func (s Properties) SetPosition(v BoolString)

func (Properties) SetQuotes 

func (s Properties) SetQuotes(v Quotes)

func (Properties) SetRight 

func (s Properties) SetRight(v Value)

func (Properties) SetSize 

func (s Properties) SetSize(v Point)

func (Properties) SetStringSet 

func (s Properties) SetStringSet(v StringSet)

func (Properties) SetTabSize 

func (s Properties) SetTabSize(v Value)

func (Properties) SetTableLayout 

func (s Properties) SetTableLayout(v String)

func (Properties) SetTextAlignAll 

func (s Properties) SetTextAlignAll(v String)

func (Properties) SetTextAlignLast 

func (s Properties) SetTextAlignLast(v String)

func (Properties) SetTextDecorationColor 

func (s Properties) SetTextDecorationColor(v Color)

func (Properties) SetTextDecorationLine 

func (s Properties) SetTextDecorationLine(v Decorations)

func (Properties) SetTextDecorationStyle 

func (s Properties) SetTextDecorationStyle(v String)

func (Properties) SetTextIndent 

func (s Properties) SetTextIndent(v Value)

func (Properties) SetTextOverflow 

func (s Properties) SetTextOverflow(v String)

func (Properties) SetTextTransform 

func (s Properties) SetTextTransform(v String)

func (Properties) SetTop 

func (s Properties) SetTop(v Value)

func (Properties) SetTransform 

func (s Properties) SetTransform(v Transforms)

func (Properties) SetTransformOrigin 

func (s Properties) SetTransformOrigin(v Point)

func (Properties) SetUnicodeBidi 

func (s Properties) SetUnicodeBidi(v String)

func (Properties) SetVerticalAlign 

func (s Properties) SetVerticalAlign(v Value)

func (Properties) SetVisibility 

func (s Properties) SetVisibility(v String)

func (Properties) SetWhiteSpace 

func (s Properties) SetWhiteSpace(v String)

func (Properties) SetWidows 

func (s Properties) SetWidows(v Int)

func (Properties) SetWidth 

func (s Properties) SetWidth(v Value)

func (Properties) SetWordBreak added in v0.0.2 

func (s Properties) SetWordBreak(v String)

func (Properties) SetWordSpacing 

func (s Properties) SetWordSpacing(v Value)

func (Properties) SetZIndex 

func (s Properties) SetZIndex(v IntString)

func (Properties) UpdateWith 

func (p Properties) UpdateWith(other Properties)

UpdateWith merge the entries from `other` to `p`.

type Quote 

type Quote struct {
	Open   bool
	Insert bool
}

func (Quote) IsNone 

func (v Quote) IsNone() bool

type Quotes 

type Quotes struct {
	Open  Strings
	Close Strings
}

func (Quotes) IsNone 

func (v Quotes) IsNone() bool

type RadialGradient 

type RadialGradient struct {
	ColorStops ColorsStops
	Shape      string
	Size       GradientSize
	Center     Center
	Repeating  bool
}

func (RadialGradient) IsNone 

func (v RadialGradient) IsNone() bool

type RawTokens 

type RawTokens []parser.Token

---------------------- helpers types -----------------------------------

type Rectangle 

type Rectangle [4]Float

func (Rectangle) IsNone 

func (r Rectangle) IsNone() bool

func (Rectangle) ToFloat 

func (r Rectangle) ToFloat() [4]Fl

func (Rectangle) Unpack 

func (r Rectangle) Unpack() (x, y, w, h Fl)

func (Rectangle) Unpack2 

func (r Rectangle) Unpack2() (x, y, w, h Float)

type Repeats 

type Repeats [][2]string

func (Repeats) Repeat 

func (bs Repeats) Repeat(n int) CssProperty

type SBoolFloat added in v0.0.3 

type SBoolFloat struct {
	String string
	Bool   bool
	Float  Fl
}

type SContent 

type SContent struct {
	String   string
	Contents ContentProperties
}

func (SContent) IsNone 

func (v SContent) IsNone() bool

type SContentProp 

type SContentProp struct {
	ContentProperty ContentProperty
	String          string
}

func (SContentProp) IsNone 

func (v SContentProp) IsNone() bool

type SContentProps 

type SContentProps []SContentProp

type SContents 

type SContents []SContent

type SDimensions 

type SDimensions struct {
	String     string
	Dimensions Dimensions
}

func (SDimensions) IsNone 

func (v SDimensions) IsNone() bool

type SFloatStrings added in v0.0.3 

type SFloatStrings struct {
	String string
	Values []FloatString
}

SFloatStrings is either a string or a list of (string, float) pairs

type SIntStrings 

type SIntStrings struct {
	String string
	Values IntStrings
}

func (SIntStrings) IsNone 

func (v SIntStrings) IsNone() bool

type SStrings 

type SStrings struct {
	String  string
	Strings Strings
}

func (SStrings) IsNone 

func (v SStrings) IsNone() bool

type SetK added in v0.0.5 

type SetK map[KnownProp]struct{}

func NewSetK added in v0.0.5 

func NewSetK(values ...KnownProp) SetK

func (SetK) Add added in v0.0.5 

func (s SetK) Add(key KnownProp)

func (SetK) Copy added in v0.0.5 

func (s SetK) Copy() SetK

Copy returns a deepcopy.

func (SetK) Equal added in v0.0.5 

func (s SetK) Equal(other SetK) bool

func (SetK) Extend added in v0.0.5 

func (s SetK) Extend(keys []KnownProp)

func (SetK) Has added in v0.0.5 

func (s SetK) Has(key KnownProp) bool

func (SetK) IsNone added in v0.0.5 

func (s SetK) IsNone() bool

type Size 

type Size struct {
	String string
	Width  Value
	Height Value
}

Dimension or "auto" or "cover" or "contain"

func (Size) IsNone 

func (v Size) IsNone() bool

type Sizes 

type Sizes []Size

func (Sizes) Repeat 

func (bs Sizes) Repeat(n int) CssProperty

type SpecifiedAttributes 

type SpecifiedAttributes struct {
	Float    String
	Display  Display
	Position BoolString
}

SpecifiedAttributes stores the value of CSS properties as specified.

type String 

type String string

type StringSet 

type StringSet struct {
	String   string
	Contents SContents
}

func (StringSet) IsNone 

func (v StringSet) IsNone() bool

type Strings 

type Strings []string

func (Strings) Repeat 

func (bs Strings) Repeat(n int) CssProperty

type StyleAccessor 

type StyleAccessor interface {
	GetAlignContent() String
	SetAlignContent(v String)

	GetAlignItems() String
	SetAlignItems(v String)

	GetAlignSelf() String
	SetAlignSelf(v String)

	GetAnchor() String
	SetAnchor(v String)

	GetAppearance() String
	SetAppearance(v String)

	GetBackgroundAttachment() Strings
	SetBackgroundAttachment(v Strings)

	GetBackgroundClip() Strings
	SetBackgroundClip(v Strings)

	GetBackgroundColor() Color
	SetBackgroundColor(v Color)

	GetBackgroundImage() Images
	SetBackgroundImage(v Images)

	GetBackgroundOrigin() Strings
	SetBackgroundOrigin(v Strings)

	GetBackgroundPosition() Centers
	SetBackgroundPosition(v Centers)

	GetBackgroundRepeat() Repeats
	SetBackgroundRepeat(v Repeats)

	GetBackgroundSize() Sizes
	SetBackgroundSize(v Sizes)

	GetBleedBottom() Value
	SetBleedBottom(v Value)

	GetBleedLeft() Value
	SetBleedLeft(v Value)

	GetBleedRight() Value
	SetBleedRight(v Value)

	GetBleedTop() Value
	SetBleedTop(v Value)

	GetBlockEllipsis() TaggedString
	SetBlockEllipsis(v TaggedString)

	GetBookmarkLabel() ContentProperties
	SetBookmarkLabel(v ContentProperties)

	GetBookmarkLevel() IntString
	SetBookmarkLevel(v IntString)

	GetBookmarkState() String
	SetBookmarkState(v String)

	GetBorderBottomColor() Color
	SetBorderBottomColor(v Color)

	GetBorderBottomLeftRadius() Point
	SetBorderBottomLeftRadius(v Point)

	GetBorderBottomRightRadius() Point
	SetBorderBottomRightRadius(v Point)

	GetBorderBottomStyle() String
	SetBorderBottomStyle(v String)

	GetBorderBottomWidth() Value
	SetBorderBottomWidth(v Value)

	GetBorderCollapse() String
	SetBorderCollapse(v String)

	GetBorderLeftColor() Color
	SetBorderLeftColor(v Color)

	GetBorderLeftStyle() String
	SetBorderLeftStyle(v String)

	GetBorderLeftWidth() Value
	SetBorderLeftWidth(v Value)

	GetBorderRightColor() Color
	SetBorderRightColor(v Color)

	GetBorderRightStyle() String
	SetBorderRightStyle(v String)

	GetBorderRightWidth() Value
	SetBorderRightWidth(v Value)

	GetBorderSpacing() Point
	SetBorderSpacing(v Point)

	GetBorderTopColor() Color
	SetBorderTopColor(v Color)

	GetBorderTopLeftRadius() Point
	SetBorderTopLeftRadius(v Point)

	GetBorderTopRightRadius() Point
	SetBorderTopRightRadius(v Point)

	GetBorderTopStyle() String
	SetBorderTopStyle(v String)

	GetBorderTopWidth() Value
	SetBorderTopWidth(v Value)

	GetBottom() Value
	SetBottom(v Value)

	GetBoxDecorationBreak() String
	SetBoxDecorationBreak(v String)

	GetBoxSizing() String
	SetBoxSizing(v String)

	GetBreakAfter() String
	SetBreakAfter(v String)

	GetBreakBefore() String
	SetBreakBefore(v String)

	GetBreakInside() String
	SetBreakInside(v String)

	GetCaptionSide() String
	SetCaptionSide(v String)

	GetClear() String
	SetClear(v String)

	GetClip() Values
	SetClip(v Values)

	GetColor() Color
	SetColor(v Color)

	GetColumnCount() IntString
	SetColumnCount(v IntString)

	GetColumnFill() String
	SetColumnFill(v String)

	GetColumnGap() Value
	SetColumnGap(v Value)

	GetColumnRuleColor() Color
	SetColumnRuleColor(v Color)

	GetColumnRuleStyle() String
	SetColumnRuleStyle(v String)

	GetColumnRuleWidth() Value
	SetColumnRuleWidth(v Value)

	GetColumnSpan() String
	SetColumnSpan(v String)

	GetColumnWidth() Value
	SetColumnWidth(v Value)

	GetContent() SContent
	SetContent(v SContent)

	GetContinue() String
	SetContinue(v String)

	GetCounterIncrement() SIntStrings
	SetCounterIncrement(v SIntStrings)

	GetCounterReset() SIntStrings
	SetCounterReset(v SIntStrings)

	GetCounterSet() SIntStrings
	SetCounterSet(v SIntStrings)

	GetDirection() String
	SetDirection(v String)

	GetDisplay() Display
	SetDisplay(v Display)

	GetEmptyCells() String
	SetEmptyCells(v String)

	GetFlexBasis() Value
	SetFlexBasis(v Value)

	GetFlexDirection() String
	SetFlexDirection(v String)

	GetFlexGrow() Float
	SetFlexGrow(v Float)

	GetFlexShrink() Float
	SetFlexShrink(v Float)

	GetFlexWrap() String
	SetFlexWrap(v String)

	GetFloat() String
	SetFloat(v String)

	GetFontFamily() Strings
	SetFontFamily(v Strings)

	GetFontFeatureSettings() SIntStrings
	SetFontFeatureSettings(v SIntStrings)

	GetFontKerning() String
	SetFontKerning(v String)

	GetFontLanguageOverride() String
	SetFontLanguageOverride(v String)

	GetFontSize() Value
	SetFontSize(v Value)

	GetFontStretch() String
	SetFontStretch(v String)

	GetFontStyle() String
	SetFontStyle(v String)

	GetFontVariant() String
	SetFontVariant(v String)

	GetFontVariantAlternates() String
	SetFontVariantAlternates(v String)

	GetFontVariantCaps() String
	SetFontVariantCaps(v String)

	GetFontVariantEastAsian() SStrings
	SetFontVariantEastAsian(v SStrings)

	GetFontVariantLigatures() SStrings
	SetFontVariantLigatures(v SStrings)

	GetFontVariantNumeric() SStrings
	SetFontVariantNumeric(v SStrings)

	GetFontVariantPosition() String
	SetFontVariantPosition(v String)

	GetFontVariationSettings() SFloatStrings
	SetFontVariationSettings(v SFloatStrings)

	GetFontWeight() IntString
	SetFontWeight(v IntString)

	GetFootnoteDisplay() String
	SetFootnoteDisplay(v String)

	GetFootnotePolicy() String
	SetFootnotePolicy(v String)

	GetHeight() Value
	SetHeight(v Value)

	GetHyphenateCharacter() String
	SetHyphenateCharacter(v String)

	GetHyphenateLimitChars() Ints3
	SetHyphenateLimitChars(v Ints3)

	GetHyphenateLimitZone() Value
	SetHyphenateLimitZone(v Value)

	GetHyphens() String
	SetHyphens(v String)

	GetImageOrientation() SBoolFloat
	SetImageOrientation(v SBoolFloat)

	GetImageRendering() String
	SetImageRendering(v String)

	GetImageResolution() Value
	SetImageResolution(v Value)

	GetJustifyContent() String
	SetJustifyContent(v String)

	GetLang() NamedString
	SetLang(v NamedString)

	GetLeft() Value
	SetLeft(v Value)

	GetLetterSpacing() Value
	SetLetterSpacing(v Value)

	GetLineHeight() Value
	SetLineHeight(v Value)

	GetLink() NamedString
	SetLink(v NamedString)

	GetListStyleImage() Image
	SetListStyleImage(v Image)

	GetListStylePosition() String
	SetListStylePosition(v String)

	GetListStyleType() CounterStyleID
	SetListStyleType(v CounterStyleID)

	GetMarginBottom() Value
	SetMarginBottom(v Value)

	GetMarginBreak() String
	SetMarginBreak(v String)

	GetMarginLeft() Value
	SetMarginLeft(v Value)

	GetMarginRight() Value
	SetMarginRight(v Value)

	GetMarginTop() Value
	SetMarginTop(v Value)

	GetMarks() Marks
	SetMarks(v Marks)

	GetMaxHeight() Value
	SetMaxHeight(v Value)

	GetMaxLines() TaggedInt
	SetMaxLines(v TaggedInt)

	GetMaxWidth() Value
	SetMaxWidth(v Value)

	GetMinHeight() Value
	SetMinHeight(v Value)

	GetMinWidth() Value
	SetMinWidth(v Value)

	GetObjectFit() String
	SetObjectFit(v String)

	GetObjectPosition() Center
	SetObjectPosition(v Center)

	GetOpacity() Float
	SetOpacity(v Float)

	GetOrder() Int
	SetOrder(v Int)

	GetOrphans() Int
	SetOrphans(v Int)

	GetOutlineColor() Color
	SetOutlineColor(v Color)

	GetOutlineStyle() String
	SetOutlineStyle(v String)

	GetOutlineWidth() Value
	SetOutlineWidth(v Value)

	GetOverflow() String
	SetOverflow(v String)

	GetOverflowWrap() String
	SetOverflowWrap(v String)

	GetPaddingBottom() Value
	SetPaddingBottom(v Value)

	GetPaddingLeft() Value
	SetPaddingLeft(v Value)

	GetPaddingRight() Value
	SetPaddingRight(v Value)

	GetPaddingTop() Value
	SetPaddingTop(v Value)

	GetPage() Page
	SetPage(v Page)

	GetPosition() BoolString
	SetPosition(v BoolString)

	GetQuotes() Quotes
	SetQuotes(v Quotes)

	GetRight() Value
	SetRight(v Value)

	GetSize() Point
	SetSize(v Point)

	GetStringSet() StringSet
	SetStringSet(v StringSet)

	GetTabSize() Value
	SetTabSize(v Value)

	GetTableLayout() String
	SetTableLayout(v String)

	GetTextAlignAll() String
	SetTextAlignAll(v String)

	GetTextAlignLast() String
	SetTextAlignLast(v String)

	GetTextDecorationColor() Color
	SetTextDecorationColor(v Color)

	GetTextDecorationLine() Decorations
	SetTextDecorationLine(v Decorations)

	GetTextDecorationStyle() String
	SetTextDecorationStyle(v String)

	GetTextIndent() Value
	SetTextIndent(v Value)

	GetTextOverflow() String
	SetTextOverflow(v String)

	GetTextTransform() String
	SetTextTransform(v String)

	GetTop() Value
	SetTop(v Value)

	GetTransform() Transforms
	SetTransform(v Transforms)

	GetTransformOrigin() Point
	SetTransformOrigin(v Point)

	GetUnicodeBidi() String
	SetUnicodeBidi(v String)

	GetVerticalAlign() Value
	SetVerticalAlign(v Value)

	GetVisibility() String
	SetVisibility(v String)

	GetWhiteSpace() String
	SetWhiteSpace(v String)

	GetWidows() Int
	SetWidows(v Int)

	GetWidth() Value
	SetWidth(v Value)

	GetWordBreak() String
	SetWordBreak(v String)

	GetWordSpacing() Value
	SetWordSpacing(v Value)

	GetZIndex() IntString
	SetZIndex(v IntString)
}

type Tag added in v0.0.2 

type Tag uint8

Tag is a flag indicating special values, such as "none" or "auto". 

const (
	Auto Tag // "auto"
	None     // "none"
)

type TaggedInt added in v0.0.2 

type TaggedInt struct {
	I   int
	Tag Tag
}

type TaggedString added in v0.0.2 

type TaggedString struct {
	S   string
	Tag Tag
}

type TextRatioCache added in v0.0.3 

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

TextRatioCache stores the 1ex/font_size or 1ch/font_size ratios, for each font.

func NewTextRatioCache added in v0.0.3 

func NewTextRatioCache() TextRatioCache

func (TextRatioCache) Get added in v0.0.3 

func (tr TextRatioCache) Get(fontKey string, isCh bool) (f Float, ok bool)

func (TextRatioCache) Set added in v0.0.3 

func (tr TextRatioCache) Set(fontKey string, isCh bool, f Float)

type Transforms 

type Transforms []SDimensions

type Unit 

type Unit uint8
const (
	Scalar Unit = iota + 1 // means no unit, but a valid value
	Perc                   // percentage (%)
	Ex
	Em
	Ch
	Rem
	Px
	Pt
	Pc
	In
	Cm
	Mm
	Q

	Rad
	Turn
	Deg
	Grad
)

type UrlImage 

type UrlImage string

type ValidatedProperty 

type ValidatedProperty struct {
	SpecialProperty specialProperty
	// contains filtered or unexported fields
}

ValidatedProperty is the most general CSS input for a property. It covers the following cases:

  • a plain CSS value, including "initial" or "inherited" special cases (CssProperty)
  • a var() call (VarData)
  • an input not yet validated, used as definition of variable (RawTokens)

func AsValidated 

func AsValidated(spe specialProperty) ValidatedProperty

func (ValidatedProperty) IsNone 

func (c ValidatedProperty) IsNone() bool

func (ValidatedProperty) ToCascaded 

func (c ValidatedProperty) ToCascaded() CascadedProperty

ToCascaded will panic if c.SpecialProperty is not nil.

type Value 

type Value struct {
	String string
	Dimension
}

func FToPx 

func FToPx(f Float) Value

FToPx returns `f` as pixels.

func FToV 

func FToV(f Fl) Value

func MaybeFloatToValue 

func MaybeFloatToValue(mf MaybeFloat) Value

func SToV 

func SToV(s string) Value

func (Value) IsNone 

func (v Value) IsNone() bool

func (Value) ToMaybeFloat 

func (v Value) ToMaybeFloat() MaybeFloat

type Values 

type Values []Value

type VarData 

type VarData struct {
	Name    string // name of a custom property
	Default RawTokens
}

func (VarData) IsNone 

func (v VarData) IsNone() bool

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