svg-tree-0.6.2.2: SVG file loader and serializer

Safe HaskellNone
LanguageHaskell2010

Graphics.Svg.CssTypes

Description

Define the types used to describes CSS elements

Synopsis

Documentation

data CssSelector #

Define complex selector.

Constructors

Nearby

Correspond to the + CSS selector.

DirectChildren

Correspond to the > CSS selectro.

AllOf [CssDescriptor]

Grouping construct, all the elements of the list must be matched.

type CssSelectorRule = [CssSelector] #

A CssSelectorRule is a list of all the elements that must be meet in a depth first search fashion.

data CssRule #

Represent a CSS selector and the different declarations to apply to the matched elemens.

Constructors

CssRule 

Fields

Instances

data CssDescriptor #

Describe an element of a CSS selector. Multiple elements can be combined in a CssSelector type.

Constructors

OfClass Text

.IDENT

OfName Text

IDENT

OfId Text

#IDENT

OfPseudoClass Text

`:IDENT` (ignore function syntax)

AnyElem

*

WithAttrib Text Text

``

data CssDeclaration #

Represent the content to apply to some CSS matched rules.

Constructors

CssDeclaration 

Fields

class CssMatcheable a where #

Interface for elements to be matched against some CssRule.

Minimal complete definition

cssIdOf, cssClassOf, cssNameOf, cssAttribOf

Methods

cssIdOf :: a -> Maybe Text #

For an element, tell its optional ID attribute.

cssClassOf :: a -> [Text] #

For an element, return all of it's class attributes.

cssNameOf :: a -> Text #

Return the name of the tagname of the element

cssAttribOf :: a -> Text -> Maybe Text #

Return a value of a given attribute if present

type CssContext a = [[a]] #

Represent a zipper in depth at the first list level, and the previous nodes at in the second list level.

type Dpi = Int #

Alias describing a "dot per inch" information used for size calculation (see toUserUnit).

data Number #

Encode complex number possibly dependant to the current render size.

Constructors

Num Double

Simple coordinate in current user coordinate.

Px Double

With suffix "px"

Em Double

Number relative to the current font size.

Percent Double

Number relative to the current viewport size.

Pc Double 
Mm Double

Number in millimeters, relative to DPI.

Cm Double

Number in centimeters, relative to DPI.

Point Double

Number in points, relative to DPI.

Inches Double

Number in inches, relative to DPI.

Instances

Eq Number # 

Methods

(==) :: Number -> Number -> Bool #

(/=) :: Number -> Number -> Bool #

Show Number # 

serializeNumber :: Number -> String #

Encode the number to string which can be used in a CSS or a svg attributes.

findMatchingDeclarations :: CssMatcheable a => [CssRule] -> CssContext a -> [CssDeclaration] #

Given CSS rules, find all the declaration to apply to the element in a given context.

toUserUnit :: Dpi -> Number -> Number #

This function replace all device dependant units to user units given it's DPI configuration. Preserve percentage and "em" notation.

mapNumber :: (Double -> Double) -> Number -> Number #

Helper function to modify inner value of a number

tserialize :: TextBuildable a => a -> Builder #

Serialize an element to a text builder.