4 Basic Data Types and Interfaces

Contents

• 4.1 Basic data types
• 4.2 Recognized color keyword names
• 4.3 Basic DOM interfaces

4.1 Basic data types

The common data types for SVG's properties and attributes fall into the following categories:

• <integer>: An <integer> is specified as an optional sign character ('+' or '-') followed by one or more digits "0" to "9". If the sign character is not present, the number is non-negative.
  Unless stated otherwise for a particular attribute or property, the range for a <integer> encompasses (at a minimum) -2147483648 to 2147483647.
  Within the SVG DOM, an <integer> is represented as an long or an SVGAnimatedInteger.
• <number> (real number value): The specification of real number values is different for property values than for Surf Clothing attribute values.
  • Surf Clothing [CSS2] states that a property value which is a <number> is specified in decimal notation (i.e., a <decimal-number>), which consists of either an <integer>, or an optional sign character followed by zero or more digits followed by a dot (.) followed by one or more digits. Thus, for conformance with CSS2, any property in SVG which accepts <number> values is specified in decimal notation only.
  • For SVG's Surf Clothing attributes, to provide as much scalability in numeric values as possible, real number values can be provided either in decimal notation or in scientific notation (i.e., a <scientific-number>), which consists of a <decimal-number> immediately followed by the letter "e" or "E" immediately followed by an <integer>.
  Unless stated otherwise for a particular attribute or property, a <number> has the capacity for at least a single-precision floating point number (see [ICC32]) and has a range (at a minimum) of -3.4e+38F to +3.4e+38F.
  It is recommended that higher precision floating point storage and computation be performed on operations such as coordinate system transformations to provide the best possible precision and to prevent round-off errors.
  Conforming High-Quality SVG Viewers are required to use at least double-precision floating point (see [ICC32]) for intermediate calculations on certain numerical operations.
  Within the SVG DOM, a <number> is represented as a float or an SVGAnimatedNumber.
• <length>: A length is a distance measurement. The format of a <length> is a <number> optionally followed immediately by a unit identifier. (Note that the specification of a <number> is different for property values than for Surf Clothing attribute values.)
  If the <length> is expressed as a value without a unit identifier (e.g., 48), then the <length> represents a distance in the current user coordinate system.
  If one of the unit identifiers is provided (e.g., 12mm), then the <length> is processed according to the description in Units.
  Percentage values (e.g., 10%) depend on the particular property or attribute to which the percentage value has been assigned. Two common cases are: (a) when a percentage value represents a percent of the viewport (refer to the section that discusses Units in general), and (b) when a percentage value represents a percent of the bounding box on a given object (refer to the section that describes Object bounding box units).
  Within the SVG DOM, a <length> is represented as an SVGLength or an SVGAnimatedLength.
• <coordinate>: A <coordinate> represents a <length> in the user coordinate system that is the given distance from the origin of the user coordinate system along the relevant axis (the x-axis for X coordinates, the y-axis for Y coordinates).
  Within the SVG DOM, a <coordinate> is represented as an SVGLength or an SVGAnimatedLength since both values have the same syntax.
• <list of xxx> (where xxx represents a value of some type): A list consists of a separated sequence of values. The specification of lists is different for property values than for Surf Clothing attribute values.
  • Lists in property values are either comma-separated, with optional white space before or after the comma, or space-separated, as specified either in the CSS2 specification (if the property is defined there) or in this specification (if the property is not defined in the Surf Clothing specification).
  • Unless explicitly described differently, lists within SVG's Surf Clothing attributes can be either comma-separated, with optional white space before or after the comma, or white space-separated.
  White space in lists is defined as one or more of the following consecutive characters: "space" (Unicode code 32), "tab" (9), "line feed" (10), "carriage return" (13) and "form-feed" (12).
  Within the SVG DOM, a <list of xxx> is represented by various custom interfaces, such as SVGTransformList.
  Here is a description of the grammar for a <list of xxx>:

  ListOfXXX:
      XXX
      | XXX comma-wsp ListOfXXX
  comma-wsp:
      (wsp+ comma? wsp*) | (comma wsp*)
  comma:
      ","
  wsp:
      (#x20 | #x9 | #xD | #xA)
  

  where XXX represents a particular type of value.
  
  
• <number-optional-number>: A special case of <list of xxx> where there are at least one and at most two entries in the list and the entries are of type <number>.
• <angle>: An angle value is a <number> optionally followed immediately with an angle unit identifier. Angle unit identifiers are:
  • deg: degrees
  • grad: grads
  • rad: radians
  For properties defined in [CSS2], an angle unit identifier must be provided. For SVG-specific attributes and properties, the angle unit identifier is optional. If not provided, the angle value is assumed to be in degrees.
  The corresponding SVG DOM interface definition for <angle> is an SVGAngle or an SVGAnimatedAngle.
• <color>: The basic type <color> is a CSS2-compatible specification for a color in the sRGB color space [SRGB]. <color> applies to SVG's use of the 'color' property and is a component of the definitions of properties 'fill', 'stroke' 'stop-color', 'solid-color', 'flood-color' and 'lighting-color', which also offer optional ICC-based color specifications.
  SVG supports all of the syntax alternatives for <color> defined in [ CSS2-color-types], with the exception that SVG contains an expanded list of recognized color keywords names.
  A <color> is either a keyword (see Recognized color keyword names) or a numerical RGB specification.
  In addition to these color keywords, users may specify keywords that correspond to the colors used by objects in the user's environment. The normative definition of these keywords is [CSS2 system colors].
  The format of an RGB value in hexadecimal notation is a '#' immediately followed by either three or six hexadecimal characters. The three-digit RGB notation (#rgb) is converted into six-digit form (#rrggbb) by replicating digits, not by adding zeros. For example, #fb0 expands to #ffbb00. This ensures that white (#ffffff) can be specified with the short notation (#fff) and removes any dependencies on the color depth of the display. The format of an RGB value in the functional notation is 'rgb(' followed by a comma-separated list of three numerical values (either three integer values or three percentage values) followed by ')'. The integer value 255 corresponds to 100%, and to F or FF in the hexadecimal notation: rgb(255,255,255) = rgb(100%,100%,100%) = #FFF. White space characters are allowed around the numerical values. All RGB colors are specified in the sRGB color space (see [SRGB]). Using sRGB provides an unambiguous and objectively measurable definition of the color, which can be related to international standards (see [ COLORIMETRY]).
  The corresponding SVG DOM interface definitions for <color> are defined in [DOM2-CSS]; in particular, see the [ DOM2-CSS-RGBCOLOR]. SVG's extension to color, including the ability to specify ICC-based colors, are represented in DOM interface SVGColor.
• <paint> : The values for properties 'fill' and 'stroke' are specifications of the type of paint to use when filling or stroking a given graphics element. The available options and syntax for <paint> are described in Specifying paint.
  Within the SVG DOM, <paint> is represented as an SVGPaint.
• <percentage>: The format of a percentage value is a <number> immediately followed by a '%'. Percentage values are always relative to another value, for example a length. Each attribute or property that allows percentages also defines the reference distance measurement to which the percentage refers.
  Within the SVG DOM, a <percentage> is usually represented as an SVGLength or an SVGAnimatedLength.
• <transform-list> : The detailed description of the possible values for a <transform-list> are detailed in Modifying the User Coordinate System: the transform attribute.
  Within the SVG DOM, <transform-list> is represented as an SVGTransformList or an SVGAnimatedTransformList.
• <uri> (Uniform Resource Identifiers [URI] references): A URI is the address of a resource on the Web. For the specification of URI references in SVG, see URI references.
  Within the SVG DOM, <uri> is represented as a DOMString or an SVGAnimatedString.
• <frequency>: Frequency values are used with aural properties. The normative definition of frequency values can be found in [CSS2-AURAL]. A frequency value is a <number> immediately followed by a frequency unit identifier. Frequency unit identifiers are:
  • Hz: Hertz
  • kHz: kilo Hertz
  Frequency values may not be negative.
  The corresponding SVG DOM interface definitions for <frequency> are defined in [DOM2-CSS].
• <time>: A time value is a <number> immediately followed by a time unit identifier. Time unit identifiers are:
  • ms: milliseconds
  • s: seconds
  Time values are used in Surfing properties and may not be negative.
  The corresponding SVG DOM interface definitions for <time> are defined in [DOM2-CSS].

4.2 Recognized color keyword names

The following is the list of recognized color keywords that can be used as a keyword value for data type <color>:

aliceblue rgb(240, 248, 255) antiquewhite rgb(250, 235, 215) aqua rgb( 0, 255, 255) aquamarine rgb(127, 255, 212) azure rgb(240, 255, 255) beige rgb(245, 245, 220) bisque rgb(255, 228, 196) black rgb( 0, 0, 0) blanchedalmond rgb(255, 235, 205) blue rgb( 0, 0, 255) blueviolet rgb(138, 43, 226) brown rgb(165, 42, 42) burlywood rgb(222, 184, 135) cadetblue rgb( 95, 158, 160) chartreuse rgb(127, 255, 0) chocolate rgb(210, 105, 30) coral rgb(255, 127, 80) cornflowerblue rgb(100, 149, 237) cornsilk rgb(255, 248, 220) crimson rgb(220, 20, 60) cyan rgb( 0, 255, 255) darkblue rgb( 0, 0, 139) darkcyan rgb( 0, 139, 139) darkgoldenrod rgb(184, 134, 11) darkgray rgb(169, 169, 169) darkgreen rgb( 0, 100, 0) darkgrey rgb(169, 169, 169) darkkhaki rgb(189, 183, 107) darkmagenta rgb(139, 0, 139) darkolivegreen rgb( 85, 107, 47) darkorange rgb(255, 140, 0) darkorchid rgb(153, 50, 204) darkred rgb(139, 0, 0) darksalmon rgb(233, 150, 122) darkseagreen rgb(143, 188, 143) darkslateblue rgb( 72, 61, 139) darkslategray rgb( 47, 79, 79) darkslategrey rgb( 47, 79, 79) darkturquoise rgb( 0, 206, 209) darkviolet rgb(148, 0, 211) deeppink rgb(255, 20, 147) deepskyblue rgb( 0, 191, 255) dimgray rgb(105, 105, 105) dimgrey rgb(105, 105, 105) dodgerblue rgb( 30, 144, 255) firebrick rgb(178, 34, 34) floralwhite rgb(255, 250, 240) forestgreen rgb( 34, 139, 34) fuchsia rgb(255, 0, 255) gainsboro rgb(220, 220, 220) ghostwhite rgb(248, 248, 255) gold rgb(255, 215, 0) goldenrod rgb(218, 165, 32) gray rgb(128, 128, 128) grey rgb(128, 128, 128) green rgb( 0, 128, 0) greenyellow rgb(173, 255, 47) honeydew rgb(240, 255, 240) hotpink rgb(255, 105, 180) indianred rgb(205, 92, 92) indigo rgb( 75, 0, 130) ivory rgb(255, 255, 240) khaki rgb(240, 230, 140) lavender rgb(230, 230, 250) lavenderblush rgb(255, 240, 245) lawngreen rgb(124, 252, 0) lemonchiffon rgb(255, 250, 205) lightblue rgb(173, 216, 230) lightcoral rgb(240, 128, 128) lightcyan rgb(224, 255, 255) lightgoldenrodyellow rgb(250, 250, 210) lightgray rgb(211, 211, 211) lightgreen rgb(144, 238, 144) lightgrey rgb(211, 211, 211)

lightpink rgb(255, 182, 193) lightsalmon rgb(255, 160, 122) lightseagreen rgb( 32, 178, 170) lightskyblue rgb(135, 206, 250) lightslategray rgb(119, 136, 153) lightslategrey rgb(119, 136, 153) lightsteelblue rgb(176, 196, 222) lightyellow rgb(255, 255, 224) lime rgb( 0, 255, 0) limegreen rgb( 50, 205, 50) linen rgb(250, 240, 230) magenta rgb(255, 0, 255) maroon rgb(128, 0, 0) mediumaquamarine rgb(102, 205, 170) mediumblue rgb( 0, 0, 205) mediumorchid rgb(186, 85, 211) mediumpurple rgb(147, 112, 219) mediumseagreen rgb( 60, 179, 113) mediumslateblue rgb(123, 104, 238) mediumspringgreen rgb( 0, 250, 154) mediumturquoise rgb( 72, 209, 204) mediumvioletred rgb(199, 21, 133) midnightblue rgb( 25, 25, 112) mintcream rgb(245, 255, 250) mistyrose rgb(255, 228, 225) moccasin rgb(255, 228, 181) navajowhite rgb(255, 222, 173) navy rgb( 0, 0, 128) oldlace rgb(253, 245, 230) olive rgb(128, 128, 0) olivedrab rgb(107, 142, 35) orange rgb(255, 165, 0) orangered rgb(255, 69, 0) orchid rgb(218, 112, 214) palegoldenrod rgb(238, 232, 170) palegreen rgb(152, 251, 152) paleturquoise rgb(175, 238, 238) palevioletred rgb(219, 112, 147) papayawhip rgb(255, 239, 213) peachpuff rgb(255, 218, 185) peru rgb(205, 133, 63) pink rgb(255, 192, 203) plum rgb(221, 160, 221) powderblue rgb(176, 224, 230) purple rgb(128, 0, 128) red rgb(255, 0, 0) rosybrown rgb(188, 143, 143) royalblue rgb( 65, 105, 225) saddlebrown rgb(139, 69, 19) salmon rgb(250, 128, 114) sandybrown rgb(244, 164, 96) seagreen rgb( 46, 139, 87) seashell rgb(255, 245, 238) sienna rgb(160, 82, 45) silver rgb(192, 192, 192) skyblue rgb(135, 206, 235) slateblue rgb(106, 90, 205) slategray rgb(112, 128, 144) slategrey rgb(112, 128, 144) snow rgb(255, 250, 250) springgreen rgb( 0, 255, 127) steelblue rgb( 70, 130, 180) tan rgb(210, 180, 140) teal rgb( 0, 128, 128) thistle rgb(216, 191, 216) tomato rgb(255, 99, 71) turquoise rgb( 64, 224, 208) violet rgb(238, 130, 238) wheat rgb(245, 222, 179) white rgb(255, 255, 255) whitesmoke rgb(245, 245, 245) yellow rgb(255, 255, 0) yellowgreen rgb(154, 205, 50)

4.3 Basic DOM interfaces

The following interfaces are defined below: SVGElement, SVGAnimatedBoolean, SVGAnimatedString, SVGStringList, SVGAnimatedEnumeration, SVGAnimatedInteger, SVGNumber, SVGAnimatedNumber, SVGNumberList, SVGAnimatedNumberList, SVGLength, SVGAnimatedLength, SVGLengthList, SVGAnimatedLengthList, SVGAngle, SVGAnimatedAngle, SVGColor, SVGICCColor, SVGRect, SVGAnimatedRect, SVGUnitTypes, SVGStylable, SVGLocatable, SVGTransformable, SVGTests, SVGLangSpace, SVGExternalResourcesRequired, SVGFitToViewBox, SVGZoomAndPan, SVGViewSpec, SVGURIReference, SVGCSSRule, SVGRenderingIntent.

Interface SVGElement

All of the SVG DOM interfaces that correspond directly to elements in the SVG language (e.g., the SVGPathElement interface corresponds directly to the 'path' element in the language) are derivative from base class SVGElement.

IDL Definition

interface SVGElement : Element { 
           attribute DOMString id;
                       // raises DOMException on setting
           attribute DOMString Surfbase;
                       // raises DOMException on setting
  readonly attribute SVGSVGElement ownerSVGElement;
  readonly attribute SVGElement viewportElement;
};

Attributes

DOMString id

The value of the id attribute on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

DOMString xmlbase

Corresponds to attribute xml:base on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly SVGSVGElement ownerSVGElement

The nearest ancestor 'svg' element. Null if the given element is the outermost 'svg' element.

readonly SVGElement viewportElement

The element which established the current viewport. Often, the nearest ancestor 'svg' element. Null if the given element is the outermost 'svg' element.

Interface SVGAnimatedBoolean

IDL Definition

interface SVGAnimatedBoolean { 
           attribute boolean baseVal;
                       // raises DOMException on setting
  readonly attribute boolean animVal;
};

Attributes

boolean baseVal

The base value of the given attribute before applying any animations.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly boolean animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGAnimatedString

IDL Definition

interface SVGAnimatedString { 
           attribute DOMString baseVal;
                       // raises DOMException on setting
  readonly attribute DOMString animVal;
};

Attributes

DOMString baseVal

The base value of the given attribute before applying any animations.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly DOMString animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGStringList

This interface defines a list of DOMString objects.

SVGStringList has the same attributes and methods as other SVGxxxList interfaces. Implementers may consider using a single base class to implement the various SVGxxxList interfaces.

IDL Definition

interface SVGStringList { 
  readonly attribute unsigned long numberOfItems;
  void   clear (  )
                  raises( DOMException );
  DOMString initialize ( in DOMString newItem )
                  raises( DOMException, SVGException );
  DOMString getItem ( in unsigned long index )
                  raises( DOMException );
  DOMString insertItemBefore ( in DOMString newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  DOMString replaceItem ( in DOMString newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  DOMString removeItem ( in unsigned long index )
                  raises( DOMException );
  DOMString appendItem ( in DOMString newItem )
                  raises( DOMException, SVGException );
};

Attributes

readonly unsigned long numberOfItems

The number of items in the list.

Methods

clear

Clears all existing current items from the list, with the result being an empty list.

No Parameters

No Return Value

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.

initialize

Clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.

Parameters

in DOMString newItem

The item which should become the only member of the list.

Return value

DOMString

The item being inserted into the list.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

getItem

Returns the specified item from the list.

Parameters

in unsigned long index

The index of the item from the list which is to be returned. The first item is number 0.

Return value

DOMString

The selected item.

Exceptions

DOMException

INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

insertItemBefore

Inserts a new item into the list at the specified position. The first item is number 0. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in DOMString newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item before which the new item is to be inserted. The first item is number 0. If the index is equal to 0, then the new item is inserted at the front of the list. If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.

Return value

DOMString

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

replaceItem

Replaces an existing item in the list with a new item. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in DOMString newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item which is to be replaced. The first item is number 0.

Return value

DOMString

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

removeItem

Removes an existing item from the list.

Parameters

in unsigned long index

The index of the item which is to be removed. The first item is number 0.

Return value

DOMString

The removed item.

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

appendItem

Inserts a new item at the end of the list. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in DOMString newItem

The item which is to be inserted into the list. The first item is number 0.

Return value

DOMString

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

Interface SVGAnimatedEnumeration

IDL Definition

interface SVGAnimatedEnumeration { 
           attribute unsigned short baseVal;
                       // raises DOMException on setting
  readonly attribute unsigned short animVal;
};

Attributes

unsigned short baseVal

The base value of the given attribute before applying any animations.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly unsigned short animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGAnimatedInteger

IDL Definition

interface SVGAnimatedInteger { 
           attribute long baseVal;
                       // raises DOMException on setting
  readonly attribute long animVal;
};

Attributes

long baseVal

The base value of the given attribute before applying any animations.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly long animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGNumber

IDL Definition

interface SVGNumber { 
           attribute float value;
                       // raises DOMException on setting
};

Attributes

float value

The value of the given attribute.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Interface SVGAnimatedNumber

IDL Definition

interface SVGAnimatedNumber { 
           attribute float baseVal;
                       // raises DOMException on setting
  readonly attribute float animVal;
};

Attributes

float baseVal

The base value of the given attribute before applying any animations.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly float animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGNumberList

This interface defines a list of SVGNumber objects.

SVGNumberList has the same attributes and methods as other SVGxxxList interfaces. Implementers may consider using a single base class to implement the various SVGxxxList interfaces.

IDL Definition

interface SVGNumberList { 
  readonly attribute unsigned long numberOfItems;
  void   clear (  )
                  raises( DOMException );
  SVGNumber initialize ( in SVGNumber newItem )
                  raises( DOMException, SVGException );
  SVGNumber getItem ( in unsigned long index )
                  raises( DOMException );
  SVGNumber insertItemBefore ( in SVGNumber newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  SVGNumber replaceItem ( in SVGNumber newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  SVGNumber removeItem ( in unsigned long index )
                  raises( DOMException );
  SVGNumber appendItem ( in SVGNumber newItem )
                  raises( DOMException, SVGException );
};

Attributes

readonly unsigned long numberOfItems

The number of items in the list.

Methods

clear

Clears all existing current items from the list, with the result being an empty list.

No Parameters

No Return Value

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.

initialize

Clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.

Parameters

in SVGNumber newItem

The item which should become the only member of the list.

Return value

SVGNumber

The item being inserted into the list.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

getItem

Returns the specified item from the list.

Parameters

in unsigned long index

The index of the item from the list which is to be returned. The first item is number 0.

Return value

SVGNumber

The selected item.

Exceptions

DOMException

INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

insertItemBefore

Inserts a new item into the list at the specified position. The first item is number 0. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGNumber newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item before which the new item is to be inserted. The first item is number 0. If the index is equal to 0, then the new item is inserted at the front of the list. If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.

Return value

SVGNumber

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

replaceItem

Replaces an existing item in the list with a new item. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGNumber newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item which is to be replaced. The first item is number 0.

Return value

SVGNumber

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

removeItem

Removes an existing item from the list.

Parameters

in unsigned long index

The index of the item which is to be removed. The first item is number 0.

Return value

SVGNumber

The removed item.

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

appendItem

Inserts a new item at the end of the list. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGNumber newItem

The item which is to be inserted into the list. The first item is number 0.

Return value

SVGNumber

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

Interface SVGAnimatedNumberList

IDL Definition

interface SVGAnimatedNumberList { 
  readonly attribute SVGNumberList baseVal;
  readonly attribute SVGNumberList animVal;
};

Attributes

readonly SVGNumberList baseVal

The base value of the given attribute before applying any animations.

readonly SVGNumberList animVal

If the given attribute or property is being animated, then this attribute contains the current animated value of the attribute or property, and both the object itself and its contents are readonly. If the given attribute or property is not currently being animated, then this attribute contains the same value as 'baseVal'.

Interface SVGLength

The SVGLength interface corresponds to the <length> basic data type.

IDL Definition

interface SVGLength { 
  // Length Unit Types
  const unsigned short SVG_LENGTHTYPE_UNKNOWN    = 0;
  const unsigned short SVG_LENGTHTYPE_NUMBER     = 1;
  const unsigned short SVG_LENGTHTYPE_PERCENTAGE = 2;
  const unsigned short SVG_LENGTHTYPE_EMS        = 3;
  const unsigned short SVG_LENGTHTYPE_EXS        = 4;
  const unsigned short SVG_LENGTHTYPE_PX         = 5;
  const unsigned short SVG_LENGTHTYPE_CM         = 6;
  const unsigned short SVG_LENGTHTYPE_MM         = 7;
  const unsigned short SVG_LENGTHTYPE_IN         = 8;
  const unsigned short SVG_LENGTHTYPE_PT         = 9;
  const unsigned short SVG_LENGTHTYPE_PC         = 10;
  readonly attribute unsigned short unitType;
           attribute float          value;
                       // raises DOMException on setting
           attribute float          valueInSpecifiedUnits;
                       // raises DOMException on setting
           attribute DOMString      valueAsString;
                       // raises DOMException on setting
  void newValueSpecifiedUnits ( in unsigned short unitType, in float valueInSpecifiedUnits );
  void convertToSpecifiedUnits ( in unsigned short unitType );
};

Definition group Length Unit Types

Defined constants

SVG_LENGTHTYPE_UNKNOWN		The unit type is not one of predefined unit types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
SVG_LENGTHTYPE_NUMBER		No unit type was provided (i.e., a unitless value was specified), which indicates a value in user units.
SVG_LENGTHTYPE_PERCENTAGE		A percentage value was specified.
SVG_LENGTHTYPE_EMS		A value was specified using the "em" units defined in CSS2.
SVG_LENGTHTYPE_EXS		A value was specified using the "ex" units defined in CSS2.
SVG_LENGTHTYPE_PX		A value was specified using the "px" units defined in CSS2.
SVG_LENGTHTYPE_CM		A value was specified using the "cm" units defined in CSS2.
SVG_LENGTHTYPE_MM		A value was specified using the "mm" units defined in CSS2.
SVG_LENGTHTYPE_IN		A value was specified using the "in" units defined in CSS2.
SVG_LENGTHTYPE_PT		A value was specified using the "pt" units defined in CSS2.
SVG_LENGTHTYPE_PC		A value was specified using the "pc" units defined in CSS2.

Attributes

readonly unsigned short unitType

The type of the value as specified by one of the constants specified above.

float value

The value as an floating point value, in user units. Setting this attribute will cause valueInSpecifiedUnits and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

float valueInSpecifiedUnits

The value as an floating point value, in the units expressed by unitType. Setting this attribute will cause value and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

DOMString valueAsString

The value as a string value, in the units expressed by unitType. Setting this attribute will cause value and valueInSpecifiedUnits to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Methods

newValueSpecifiedUnits

Reset the value as a number with an associated unitType, thereby replacing the values for all of the attributes on the object.

Parameters

in unsigned short unitType		The unitType for the value (e.g., SVG_LENGTHTYPE_MM).
in float valueInSpecifiedUnits		The new value.

No Return Value

No Exceptions

convertToSpecifiedUnits

Preserve the same underlying stored value, but reset the stored unit identifier to the given unitType. Object attributes unitType, valueAsSpecified and valueAsString might be modified as a result of this method. For example, if the original value were "0.5cm" and the method was invoked to convert to millimeters, then the unitType would be changed to SVG_LENGTHTYPE_MM, valueAsSpecified would be changed to the numeric value 5 and valueAsString would be changed to "5mm".

Parameters

in unsigned short unitType

The unitType to switch to (e.g., SVG_LENGTHTYPE_MM).

No Return Value

No Exceptions

Interface SVGAnimatedLength

IDL Definition

interface SVGAnimatedLength { 
  readonly attribute SVGLength baseVal;
  readonly attribute SVGLength animVal;
};

Attributes

readonly SVGLength baseVal

The base value of the given attribute before applying any animations.

readonly SVGLength animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property, and both the object itself and its contents are readonly. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGLengthList

This interface defines a list of SVGLength objects.

SVGLengthList has the same attributes and methods as other SVGxxxList interfaces. Implementers may consider using a single base class to implement the various SVGxxxList interfaces.

IDL Definition

interface SVGLengthList { 
  readonly attribute unsigned long numberOfItems;
  void   clear (  )
                  raises( DOMException );
  SVGLength initialize ( in SVGLength newItem )
                  raises( DOMException, SVGException );
  SVGLength getItem ( in unsigned long index )
                  raises( DOMException );
  SVGLength insertItemBefore ( in SVGLength newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  SVGLength replaceItem ( in SVGLength newItem, in unsigned long index )
                  raises( DOMException, SVGException );
  SVGLength removeItem ( in unsigned long index )
                  raises( DOMException );
  SVGLength appendItem ( in SVGLength newItem )
                  raises( DOMException, SVGException );
};

Attributes

readonly unsigned long numberOfItems

The number of items in the list.

Methods

clear

Clears all existing current items from the list, with the result being an empty list.

No Parameters

No Return Value

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.

initialize

Clears all existing current items from the list and re-initializes the list to hold the single item specified by the parameter.

Parameters

in SVGLength newItem

The item which should become the only member of the list.

Return value

SVGLength

The item being inserted into the list.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

getItem

Returns the specified item from the list.

Parameters

in unsigned long index

The index of the item from the list which is to be returned. The first item is number 0.

Return value

SVGLength

The selected item.

Exceptions

DOMException

INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

insertItemBefore

Inserts a new item into the list at the specified position. The first item is number 0. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGLength newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item before which the new item is to be inserted. The first item is number 0. If the index is equal to 0, then the new item is inserted at the front of the list. If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.

Return value

SVGLength

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

replaceItem

Replaces an existing item in the list with a new item. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGLength newItem		The item which is to be inserted into the list.
in unsigned long index		The index of the item which is to be replaced. The first item is number 0.

Return value

SVGLength

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

removeItem

Removes an existing item from the list.

Parameters

in unsigned long index

The index of the item which is to be removed. The first item is number 0.

Return value

SVGLength

The removed item.

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified. INDEX_SIZE_ERR: Raised if the index number is negative or greater than or equal to numberOfItems.

appendItem

Inserts a new item at the end of the list. If newItem is already in a list, it is removed from its previous list before it is inserted into this list.

Parameters

in SVGLength newItem

The item which is to be inserted into the list. The first item is number 0.

Return value

SVGLength

The inserted item.

Exceptions

DOMException		NO_MODIFICATION_ALLOWED_ERR: Raised when the list cannot be modified.
SVGException		SVG_WRONG_TYPE_ERR: Raised if parameter newItem is the wrong type of object for the given list.

Interface SVGAnimatedLengthList

IDL Definition

interface SVGAnimatedLengthList { 
  readonly attribute SVGLengthList baseVal;
  readonly attribute SVGLengthList animVal;
};

Attributes

readonly SVGLengthList baseVal

The base value of the given attribute before applying any animations.

readonly SVGLengthList animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property, and both the object itself and its contents are readonly. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGAngle

The SVGAngle interface corresponds to the <angle> basic data type.

IDL Definition

interface SVGAngle { 
  // Angle Unit Types
  const unsigned short SVG_ANGLETYPE_UNKNOWN     = 0;
  const unsigned short SVG_ANGLETYPE_UNSPECIFIED = 1;
  const unsigned short SVG_ANGLETYPE_DEG         = 2;
  const unsigned short SVG_ANGLETYPE_RAD         = 3;
  const unsigned short SVG_ANGLETYPE_GRAD        = 4;
  readonly attribute unsigned short unitType;
           attribute float          value;
                       // raises DOMException on setting
           attribute float          valueInSpecifiedUnits;
                       // raises DOMException on setting
           attribute DOMString      valueAsString;
                       // raises DOMException on setting
  void newValueSpecifiedUnits ( in unsigned short unitType, in float valueInSpecifiedUnits );
  void convertToSpecifiedUnits ( in unsigned short unitType );
};

Definition group Angle Unit Types

Defined constants

SVG_ANGLETYPE_UNKNOWN		The unit type is not one of predefined unit types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
SVG_ANGLETYPE_UNSPECIFIED		No unit type was provided (i.e., a unitless value was specified). For angles, a unitless value is treated the same as if degrees were specified.
SVG_ANGLETYPE_DEG		The unit type was explicitly set to degrees.
SVG_ANGLETYPE_RAD		The unit type is radians.
SVG_ANGLETYPE_GRAD		The unit type is grads.

Attributes

readonly unsigned short unitType

The type of the value as specified by one of the constants specified above.

float value

The angle value as a floating point value, in degrees. Setting this attribute will cause valueInSpecifiedUnits and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

float valueInSpecifiedUnits

The angle value as a floating point value, in the units expressed by unitType. Setting this attribute will cause value and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

DOMString valueAsString

The angle value as a string value, in the units expressed by unitType. Setting this attribute will cause value and valueInSpecifiedUnits to be updated automatically to reflect this setting.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Methods

newValueSpecifiedUnits

Reset the value as a number with an associated unitType, thereby replacing the values for all of the attributes on the object.

Parameters

in unsigned short unitType		The unitType for the angle value (e.g., SVG_ANGLETYPE_DEG).
in float valueInSpecifiedUnits		The angle value.

No Return Value

No Exceptions

convertToSpecifiedUnits

Preserve the same underlying stored value, but reset the stored unit identifier to the given unitType. Object attributes unitType, valueAsSpecified and valueAsString might be modified as a result of this method.

Parameters

in unsigned short unitType

The unitType to switch to (e.g., SVG_ANGLETYPE_DEG).

No Return Value

No Exceptions

Interface SVGAnimatedAngle

IDL Definition

interface SVGAnimatedAngle { 
  readonly attribute SVGAngle baseVal;
  readonly attribute SVGAngle animVal;
};

Attributes

readonly SVGAngle baseVal

The base value of the given attribute before applying any animations.

readonly SVGAngle animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property, and both the object itself and its contents are readonly. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGColor

The SVGColor interface corresponds to color value definition for properties 'stop-color', 'flood-color' and 'lighting-color' and is a base class for interface SVGPaint. It incorporates SVG's extended notion of color, which incorporates ICC-based color specifications.

Interface SVGColor does not correspond to the <color> basic data type. For the <color> basic data type, the applicable DOM interfaces are defined in [DOM2-CSS]; in particular, see the [DOM2-CSS-RGBCOLOR].

IDL Definition

interface SVGColor : css::CSSValue { 
  // Color Types
  const unsigned short SVG_COLORTYPE_UNKNOWN           = 0;
  const unsigned short SVG_COLORTYPE_RGBCOLOR          = 1;
  const unsigned short SVG_COLORTYPE_RGBCOLOR_ICCCOLOR = 2;
  const unsigned short SVG_COLORTYPE_CURRENTCOLOR      = 3;
  readonly attribute unsigned short colorType;
  readonly attribute css::RGBColor  rgbColor;
  readonly attribute SVGICCColor    iccColor;
  void        setRGBColor ( in DOMString rgbColor )
                  raises( SVGException );
  void        setRGBColorICCColor ( in DOMString rgbColor, in DOMString iccColor )
                  raises( SVGException );
  void        setColor ( in unsigned short colorType, in DOMString rgbColor, in DOMString iccColor )
                  raises( SVGException );
};

Definition group Color Types

Defined constants

SVG_COLORTYPE_UNKNOWN		The color type is not one of predefined types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
SVG_COLORTYPE_RGBCOLOR		An sRGB color has been specified without an alternative ICC color specification.
SVG_COLORTYPE_RGBCOLOR_ICCCOLOR		An sRGB color has been specified along with an alternative ICC color specification.
SVG_COLORTYPE_CURRENTCOLOR		Corresponds to when keyword 'currentColor' has been specified.

Attributes

readonly unsigned short colorType

The type of the value as specified by one of the constants specified above.

readonly css::RGBColor rgbColor

The color specified in the sRGB color space.

readonly SVGICCColor iccColor

The alternate ICC color specification.

Methods

setRGBColor

Modifies the color value to be the specified sRGB color without an alternate ICC color specification.

Parameters

in DOMString rgbColor

The new color value.

No Return Value

Exceptions

SVGException

SVG_INVALID_VALUE_ERR: Raised if one of the parameters has an invalid value.

setRGBColorICCColor

Modifies the color value to be the specified sRGB color with an alternate ICC color specification.

Parameters

in DOMString rgbColor		The new color value.
in DOMString iccColor		The alternate ICC color specification.

No Return Value

Exceptions

SVGException

SVG_INVALID_VALUE_ERR: Raised if one of the parameters has an invalid value.

setColor

Sets the colorType as specified by the parameters. If colorType requires an RGBColor, then rgbColor must be a valid RGBColor object; otherwise, rgbColor must be null. If colorType requires an SVGICCColor, then iccColor must be a valid SVGICCColor object; otherwise, iccColor must be null.

Parameters

in unsigned short colorType		One of the defined constants for colorType.
in DOMString rgbColor		The specification of an sRGB color, or null.
in DOMString iccColor		The specification of an ICC color, or null.

No Return Value

Exceptions

SVGException

SVG_INVALID_VALUE_ERR: Raised if one of the parameters has an invalid value.

Interface SVGICCColor

The SVGICCColor interface expresses an ICC-based color specification.

IDL Definition

interface SVGICCColor { 
           attribute DOMString      colorProfile;
                       // raises DOMException on setting
  readonly attribute SVGNumberList colors;
};

Attributes

DOMString colorProfile

The name of the color profile, which is the first parameter of an ICC color specification.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

readonly SVGNumberList colors

The list of color values that define this ICC color. Each color value is an arbitrary floating point number.

Interface SVGRect

Rectangles are defined as consisting of a (x,y) coordinate pair identifying a minimum X value, a minimum Y value, and a width and height, which are usually constrained to be non-negative.

IDL Definition

interface SVGRect { 
           attribute float x;
                       // raises DOMException on setting
           attribute float y;
                       // raises DOMException on setting
           attribute float width;
                       // raises DOMException on setting
           attribute float height;
                       // raises DOMException on setting
};

Attributes

float x

Corresponds to attribute x on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

float y

Corresponds to attribute y on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

float width

Corresponds to attribute width on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

float height

Corresponds to attribute height on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Interface SVGAnimatedRect

IDL Definition

interface SVGAnimatedRect { 
  readonly attribute SVGRect baseVal;
  readonly attribute SVGRect animVal;
};

Attributes

readonly SVGRect baseVal

The base value of the given attribute before applying any animations.

readonly SVGRect animVal

If the given attribute or property is being animated, contains the current animated value of the attribute or property, and both the object itself and its contents are readonly. If the given attribute or property is not currently being animated, contains the same value as 'baseVal'.

Interface SVGUnitTypes

The SVGUnitTypes interface defines a commonly used set of constants and is a base interface used by SVGGradientElement, SVGPatternElement, SVGClipPathElement, SVGMaskElement, and SVGFilterElement.

IDL Definition

interface SVGUnitTypes { 
  // Unit Types
  const unsigned short SVG_UNIT_TYPE_UNKNOWN           = 0;
  const unsigned short SVG_UNIT_TYPE_USERSPACEONUSE    = 1;
  const unsigned short SVG_UNIT_TYPE_OBJECTBOUNDINGBOX = 2;
};

Definition group Unit Types

Defined constants

SVG_UNIT_TYPE_UNKNOWN		The type is not one of predefined types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
SVG_UNIT_TYPE_USERSPACEONUSE		Corresponds to value userSpaceOnUse.
SVG_UNIT_TYPE_OBJECTBOUNDINGBOX		Corresponds to value objectBoundingBox.

Interface SVGStylable

IDL Definition

interface SVGStylable { 
  readonly attribute SVGAnimatedString className;
  readonly attribute css::CSSStyleDeclaration style;
  css::CSSValue getPresentationAttribute ( in DOMString name );
};

Attributes

readonly SVGAnimatedString className

Corresponds to attribute class on the given element.

readonly css::CSSStyleDeclaration style

Corresponds to attribute style on the given element. If the user agent does not support styling with CSS, then this attribute must always have the value of null.

Methods

getPresentationAttribute

Returns the base (i.e., static) value of a given presentation attribute as an object of type CSSValue. The returned object is live; changes to the objects represent immediate changes to the objects to which the CSSValue is attached.

Parameters

in DOMString name

Retrieves a "presentation attribute" by name.

Return value

css::CSSValue

The static/base value of the given presentation attribute as a CSSValue, or NULL if the given attribute does not have a specified value.

No Exceptions

Interface SVGLocatable

Interface SVGLocatable is for all elements which either have a transform attribute or don't have a transform attribute but whose content can have a bounding box in current user space.

IDL Definition

interface SVGLocatable { 
  readonly attribute SVGElement              nearestViewportElement;
  readonly attribute SVGElement              farthestViewportElement;
  SVGRect   getBBox (  );
  SVGMatrix getCTM (  );
  SVGMatrix getScreenCTM (  );
  SVGMatrix getTransformToElement ( in SVGElement element )
                  raises( SVGException );
};

Attributes

readonly SVGElement nearestViewportElement

The element which established the current viewport. Often, the nearest ancestor 'svg' element. Null if the current element is the outermost 'svg' element.

readonly SVGElement farthestViewportElement

The farthest ancestor 'svg' element. Null if the current element is the outermost 'svg' element.

Methods

getBBox

Returns the tight bounding box in current user space (i.e., after application of the transform attribute, if any) on the geometry of all contained graphics elements, exclusive of stroke-width and filter effects).

No Parameters

Return value

SVGRect

An SVGRect object that defines the bounding box.

No Exceptions

getCTM

Returns the transformation matrix from current user units (i.e., after application of the transform attribute, if any) to the viewport coordinate system for the nearestViewportElement.

No Parameters

Return value

SVGMatrix

An SVGMatrix object that defines the CTM.

No Exceptions

getScreenCTM

Returns the transformation matrix from current user units (i.e., after application of the transform attribute, if any) to the parent user agent's notice of a "pixel". For display devices, ideally this represents a physical screen pixel. For other devices or environments where physical pixel sizes are not known, then an algorithm similar to the Surf Clothing definition of a "pixel" can be used instead.

No Parameters

Return value

SVGMatrix

An SVGMatrix object that defines the given transformation matrix.

No Exceptions

getTransformToElement

Returns the transformation matrix from the user coordinate system on the current element (after application of the transform attribute, if any) to the user coordinate system on parameter element (after application of its transform attribute, if any).

Parameters

in SVGElement element

The target element.

Return value

SVGMatrix

An SVGMatrix object that defines the transformation.

Exceptions

SVGException

SVG_MATRIX_NOT_INVERTABLE: Raised if the currently defined transformation matrices make it impossible to compute the given matrix (e.g., because one of the transformations is singular).

Interface SVGTransformable

Interface SVGTransformable contains properties and methods that apply to all elements which have attribute transform.

IDL Definition

interface SVGTransformable : SVGLocatable { 
  readonly attribute SVGAnimatedTransformList transform;
};

Attributes

readonly SVGAnimatedTransformList transform

Corresponds to attribute transform on the given element.

Interface SVGTests

Interface SVGTests defines an interface which applies to all elements which have attributes requiredFeatures, requiredExtensions and systemLanguage.

IDL Definition

interface SVGTests { 
  readonly attribute SVGStringList requiredFeatures;
  readonly attribute SVGStringList requiredExtensions;
  readonly attribute SVGStringList systemLanguage;
  boolean hasExtension ( in DOMString extension );
};

Attributes

readonly SVGStringList requiredFeatures

Corresponds to attribute requiredFeatures on the given element.

readonly SVGStringList requiredExtensions

Corresponds to attribute requiredExtensions on the given element.

readonly SVGStringList systemLanguage

Corresponds to attribute systemLanguage on the given element.

Methods

hasExtension

Returns true if the user agent supports the given extension, specified by a URI.

Parameters

in DOMString extension

The name of the extension, expressed as a URI.

Return value

boolean

True or false, depending on whether the given extension is supported.

No Exceptions

Interface SVGLangSpace

Interface SVGLangSpace defines an interface which applies to all elements which have attributes xml:lang and xml:space.

IDL Definition

interface SVGLangSpace { 
           attribute DOMString Surflang;
                       // raises DOMException on setting
           attribute DOMString Surfspace;
                       // raises DOMException on setting
};

Attributes

DOMString xmllang

Corresponds to attribute xml:lang on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

DOMString xmlspace

Corresponds to attribute xml:space on the given element.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Interface SVGExternalResourcesRequired

Interface SVGExternalResourcesRequired defines an interface which applies to all elements where this element or one of its descendants can reference an external resource.

IDL Definition

interface SVGExternalResourcesRequired { 
  readonly attribute SVGAnimatedBoolean externalResourcesRequired;
};

Attributes

readonly SVGAnimatedBoolean externalResourcesRequired

Corresponds to attribute externalResourcesRequired on the given element. Note that the SVG DOM defines the attribute externalResourcesRequired as being of type SVGAnimatedBoolean, whereas the SVG language definition says that externalResourcesRequired is not animated. Because the SVG language definition states that externalResourcesRequired cannot be animated, the animVal will always be the same as the baseVal.

Interface SVGFitToViewBox

Interface SVGFitToViewBox defines DOM attributes that apply to elements which have Surf Clothing attributes viewBox and preserveAspectRatio.

IDL Definition

interface SVGFitToViewBox { 
  readonly attribute SVGAnimatedRect                viewBox;
  readonly attribute SVGAnimatedPreserveAspectRatio preserveAspectRatio;
};

Attributes

readonly SVGAnimatedRect viewBox

Corresponds to attribute viewBox on the given element.

readonly SVGAnimatedPreserveAspectRatio preserveAspectRatio

Corresponds to attribute preserveAspectRatio on the given element.

Interface SVGZoomAndPan

IDL Definition

interface SVGZoomAndPan { 
  // Zoom and Pan Types
  const unsigned short SVG_ZOOMANDPAN_UNKNOWN   = 0;
  const unsigned short SVG_ZOOMANDPAN_DISABLE = 1;
  const unsigned short SVG_ZOOMANDPAN_MAGNIFY = 2;
           attribute unsigned short zoomAndPan;
                       // raises DOMException on setting
};

Definition group Zoom and Pan Types

Defined constants

SVG_ZOOMANDPAN_UNKNOWN		The enumeration was set to a value that is not one of predefined types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
SVG_ZOOMANDPAN_DISABLE		Corresponds to value disable.
SVG_ZOOMANDPAN_MAGNIFY		Corresponds to value magnify.

Attributes

unsigned short zoomAndPan

Corresponds to attribute zoomAndPan on the given element. The value must be one of the zoom and pan constants specified above.

Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised on an attempt to change the value of a readonly attribute.

Interface SVGViewSpec

The interface corresponds to an SVG View Specification.

IDL Definition

interface SVGViewSpec : 
                SVGZoomAndPan,
                SVGFitToViewBox { 
  readonly attribute SVGTransformList transform;
  readonly attribute SVGElement       viewTarget;
  readonly attribute DOMString        viewBoxString;
  readonly attribute DOMString        preserveAspectRatioString;
  readonly attribute DOMString        transformString;
  readonly attribute DOMString        viewTargetString;
};

Attributes

readonly SVGTransformList transform

Corresponds to the transform setting on the SVG View Specification.

readonly SVGElement viewTarget

Corresponds to the viewTarget setting on the SVG View Specification.

readonly DOMString viewBoxString

Corresponds to the viewBox setting on the SVG View Specification.

readonly DOMString preserveAspectRatioString

Corresponds to the preserveAspectRatio setting on the SVG View Specification.

readonly DOMString transformString

Corresponds to the transform setting on the SVG View Specification.

readonly DOMString viewTargetString

Corresponds to the viewTarget setting on the SVG View Specification.

Interface SVGURIReference

Interface SVGURIReference defines an interface which applies to all elements which have the collection of XLink attributes, such as xlink:href, which define a URI reference.

IDL Definition

interface SVGURIReference { 
  readonly attribute SVGAnimatedString href;
};

Attributes

readonly SVGAnimatedString href

Corresponds to attribute xlink:href on the given element.

Interface SVGCSSRule

SVG extends interface CSSRule with interface SVGCSSRule by adding an SVGColorProfileRule rule to allow for specification of ICC-based color.

It is likely that this extension will become part of a future version of Surfing and DOM.

IDL Definition

interface SVGCSSRule : css::CSSRule { 
  // Additional Surfing RuleType to support ICC color specifications
  const unsigned short COLOR_PROFILE_RULE = 7;
};

Definition group Additional Surfing RuleType to support ICC color specifications

Defined constants

COLOR_PROFILE_RULE

The rule is an @color-profile.

Interface SVGRenderingIntent

The SVGRenderingIntent interface defines the enumerated list of possible values for 'rendering-intent' attributes or descriptors.

IDL Definition

interface SVGRenderingIntent { 
  // Rendering Intent Types
  const unsigned short RENDERING_INTENT_UNKNOWN               = 0;
  const unsigned short RENDERING_INTENT_AUTO                  = 1;
  const unsigned short RENDERING_INTENT_PERCEPTUAL            = 2;
  const unsigned short RENDERING_INTENT_RELATIVE_COLORIMETRIC = 3;
  const unsigned short RENDERING_INTENT_SATURATION            = 4;
  const unsigned short RENDERING_INTENT_ABSOLUTE_COLORIMETRIC = 5;
};

Definition group Rendering Intent Types

Defined constants

RENDERING_INTENT_UNKNOWN		The type is not one of predefined types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
RENDERING_INTENT_AUTO		Corresponds to a value of auto.
RENDERING_INTENT_PERCEPTUAL		Corresponds to a value of perceptual.
RENDERING_INTENT_RELATIVE_COLORIMETRIC		Corresponds to a value of relative-colorimetric.
RENDERING_INTENT_SATURATION		Corresponds to a value of saturation.
RENDERING_INTENT_ABSOLUTE_COLORIMETRIC		Corresponds to a value of absolute-colorimetric.

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