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# 9 Basic Shapes

### Contents

## 9.1 Introduction

SVG contains the following set of basic shape elements:

- rectangles (rectangle, including optional rounded corners)
- circles
- ellipses
- lines
- polylines
- polygons

Mathematically, these shape elements are equivalent to a 'path' element that would construct the same shape. The basic shapes may be stroked, filled and used as clip paths. All of the properties available for 'path' elements also apply to the basic shapes.

## 9.2 The 'rect' element

The 'rect' element defines a rectangle which is axis-aligned with the current user coordinate system. Rounded rectangles can be achieved by setting appropriate values for attributes rx and ry.

    <!ENTITY % rectExt "" >
    <!ELEMENT rect (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%rectExt;)*) >
    <!ATTLIST rect
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      x %Coordinate; #IMPLIED
      y %Coordinate; #IMPLIED
      width %Length; #REQUIRED
      height %Length; #REQUIRED
      rx %Length; #IMPLIED
      ry %Length; #IMPLIED
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs; >

Attribute definitions:

x = "<coordinate>"
  The X-axis coordinate of the side of the rectangle which has the smaller X-axis coordinate value in the current user coordinate system.
  The default value is "0".
  Animatable: yes.
y = "<coordinate>"
  The Y-axis coordinate of the side of the rectangle which has the smaller Y-axis coordinate value in the current user coordinate system.
  The default value is "0".
  Animatable: yes.
width = "<length>"
  The width of the rectangle.
  Animatable: yes.
height = "<length>"
  The height of the rectangle.
  Animatable: yes.
rx = "<length>"
  For rounded rectangles, the X-axis radius of the ellipse used to round off the corners of the rectangle. If a negative X-axis radius is specified, the absolute value of the radius will be used.
  Animatable: yes.
ry = "<length>"
  For rounded rectangles, the Y-axis radius of the ellipse used to round off the corners of the rectangle. If a negative Y-axis radius is specified, the absolute value of the radius will be used.
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

If a properly specified value is provided for rx but not for ry, then the user agent processes the 'rect' element with the effective value for ry as equal to rx. If a properly specified value is provided for ry but not for rx, then the user agent processes the 'rect' element with the effective value for rx as equal to ry. If neither rx nor ry has a properly specified value, then the user agent processes the 'rect' element as if no rounding had been specified, resulting in square corners. If rx is greater than half of the width of the rectangle, then the user agent processes the 'rect' element with the effective value for rx as half of the width of the rectangle. If ry is greater than half of the height of the rectangle, then the user agent processes the 'rect' element with the effective value for ry as half of the height of the rectangle.

Mathematically, a 'rect' element can be mapped to an equivalent 'path' element as follows: (Note: all coordinate and length values are first converted into user space coordinates according to Processing rules for CSS units and percentages.)

- perform an absolute moveto operation to location (x+rx,y), where x is the value of the 'rect' element's x attribute converted to user space, rx is the effective value of the rx attribute converted to user space and y is the value of the y attribute converted to user space
- perform an absolute horizontal lineto operation to location (x+width-rx,y), where width is the 'rect' element's width attribute converted to user space
- perform an absolute elliptical arc operation to coordinate (x+width,y+ry), where the effective values for the rx and ry attributes on the 'rect' element converted to user space are used as the rx and ry attributes on the elliptical arc command, respectively, the x-axis-rotation is set to zero, the large-arc-flag is set to zero, and the sweep-flag is set to one
- perform a absolute vertical lineto to location (x+width,y+height-ry), where height is the 'rect' element's height attribute converted to user space
- perform an absolute elliptical arc operation to coordinate (x+width-rx,y+height)
- perform an absolute horizontal lineto to location (x+rx,y+height)
- perform an absolute elliptical arc operation to coordinate (x,y+height-ry)
- perform an absolute absolute vertical lineto to location (x,y+ry)
- perform an absolute elliptical arc operation to coordinate (x+rx,y)

Example rect01 below expresses all values in physical units (centimeters, in this case). The 'rect' element is filled with yellow and stroked with navy.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm">
      <desc>Example rect01 - rectangle expressed in physical units</desc>

      <rect x="4cm" y="1cm" width="4cm" height="2cm"
            style="fill:yellow; stroke:navy; stroke-width:0.1cm" />
    </svg>

Example rect01

View this example as SVG (SVG-enabled browsers only)

Example rect02 below specifies the coordinates of the two rounded rectangles in the user coordinate system established by the viewBox attribute on the 'svg' element and the transform attribute on the 'g' element. The rx specifies how to round the corners of the rectangles. Note that since no value has been specified for the ry attribute, it will be assigned the same value as the rx attribute.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm" viewBox="0 0 1200 400">
      <desc>Example rect02 - rounded rectangles expressed in user coordinates</desc>

      <rect x="100" y="100" width="400" height="200" rx="50"
            style="fill:green;" />

      <g transform="translate(700 300); rotate(-30)">
        <rect x="0" y="0" width="400" height="200" rx="50"
              style="fill:none; stroke:purple; stroke-width:30" />
      </g>
    </svg>

Example rect02

View this example as SVG (SVG-enabled browsers only)

## 9.3 The 'circle' element

The 'circle' element defines a circle based on a center point and a radius.

    <!ENTITY % circleExt "" >
    <!ELEMENT circle (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%circleExt;)*) >
    <!ATTLIST circle
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      cx %Coordinate; "0"
      cy %Coordinate; "0"
      r %Length; #REQUIRED
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs; >

Attribute definitions:

cx = "<coordinate>"
  The X-axis coordinate of the center of the circle.
  The default value is "0".
  Animatable: yes.
cy = "<coordinate>"
  The Y-axis coordinate of the center of the circle.
  The default value is "0".
  Animatable: yes.
r = "<length>"
  The radius of the circle. If a negative radius is specified, the absolute value of the radius will be used.
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

Example circle01 below expresses all values in physical units (centimeters, in this case). The 'circle' element is filled with red and stroked with blue.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm">
      <desc>Example circle01 - circle expressed in physical units</desc>

      <circle cx="6cm" cy="2cm" r="1cm"
            style="fill:red; stroke:blue; stroke-width:0.1cm" />
    </svg>

Example circle01

View this example as SVG (SVG-enabled browsers only)

## 9.4 The 'ellipse' element

The 'ellipse' element defines an ellipse which is axis-aligned with the current user coordinate system based on a center point and two radii.

    <!ENTITY % ellipseExt "" >
    <!ELEMENT ellipse (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%ellipseExt;)*) >
    <!ATTLIST ellipse
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      cx %Coordinate; "0"
      cy %Coordinate; "0"
      rx %Length; #REQUIRED
      ry %Length; #REQUIRED
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs; >

Attribute definitions:

cx = "<coordinate>"
  The X-axis coordinate of the center of the ellipse.
  The default value is "0".
  Animatable: yes.
cy = "<coordinate>"
  The Y-axis coordinate of the center of the ellipse.
  The default value is "0".
  Animatable: yes.
rx = "<length>"
  The X-axis radius of the ellipse. If a negative X-axis radius is specified, the absolute value of the radius will be used.
  Animatable: yes.
ry = "<length>"
  The Y-axis radius of the ellipse. If a negative Y-axis radius is specified, the absolute value of the radius will be used.
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

Example ellipse01 below specifies the coordinates of the two ellipses in the user coordinate system established by the viewBox attribute on the 'svg' element and the transform attribute on the 'g' 'ellipse' elements. Both ellipses uses the default values of zero for the cx and cy attributes (the center of the ellipse). The second ellipse is rotated.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm" viewBox="0 0 1200 400">
      <desc>Example ellipse01 - ellipses expressed in user coordinates</desc>

      <g transform="translate(300 200)">
        <ellipse rx="250" ry="100"
              style="fill:red" />
      </g>

      <ellipse transform="translate(900 200); rotate(30)"
            rx="250" ry="100"
            style="fill:none; stroke:blue; stroke-width: 20" />

    </svg>

Example ellipse01

View this example as SVG (SVG-enabled browsers only)

## 9.5 The 'line' element

The 'line' element defines a line segment that starts at one point and ends at another.

    <!ENTITY % lineExt "" >
    <!ELEMENT line (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%lineExt;)*) >
    <!ATTLIST line
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      x1 %Coordinate; "0"
      y1 %Coordinate; "0"
      x2 %Coordinate; "0"
      y2 %Coordinate; "0"
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs;
      %FinalFormSVG-MarkerAttrs; >

Attribute definitions:

x1 = "<coordinate>"
  The X-axis coordinate of the start of the line.
  The default value is "0".
  Animatable: yes.
y1 = "<coordinate>"
  The Y-axis coordinate of the start of the line.
  The default value is "0".
  Animatable: yes.
x2 = "<coordinate>"
  The X-axis coordinate of the end of the line.
  The default value is "0".
  Animatable: yes.
y2 = "<coordinate>"
  The Y-axis coordinate of the end of the line.
  The default value is "0".
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

Mathematically, an 'line' element can be mapped to an equivalent 'path' element as follows: (Note: all coordinate and length values are first converted into user space coordinates according to Processing rules for CSS units and percentages.)

- perform an absolute moveto operation to absolute location (x1,y1), where x1 and y1 are the values of the 'line' element's x1 and y1 attributes converted to user space, respectively
- perform an absolute lineto operation to absolute location (x2,y2), where x2 and y2 are the values of the 'line' element's x2 and y2 attributes converted to user space, respectively

Example line01 below specifies the coordinates of the five lines in the user coordinate system established by the viewBox attribute on the 'svg' element. The lines have different thicknesses.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm" viewBox="0 0 1200 400">
      <desc>Example line01 - lines expressed in user coordinates</desc>

      <g style="fill:none; stroke:green">
        <line x1="100" y1="300" x2="300" y2="100"
                style="stroke-width:5" />
        <line x1="300" y1="300" x2="500" y2="100"
                style="stroke-width:10" />
        <line x1="500" y1="300" x2="700" y2="100"
                style="stroke-width:15" />
        <line x1="700" y1="300" x2="900" y2="100"
                style="stroke-width:20" />
        <line x1="900" y1="300" x2="1100" y2="100"
                style="stroke-width:25" />
      </g>
    </svg>

Example line01

View this example as SVG (SVG-enabled browsers only)

## 9.6 The 'polyline' element

The 'polyline' element defines a set of connected straight line segments. Typically, 'polyline' elements define open shapes.

    <!ENTITY % polylineExt "" >
    <!ELEMENT polyline (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%polylineExt;)*) >
    <!ATTLIST polyline
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      points %Points; #REQUIRED
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs;
      %FinalFormSVG-MarkerAttrs; >

Attribute definitions:

points = "<list-of-points>"
  The points that make up the polyline. All coordinate values are in the user coordinate system.
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

If an odd number of points is provided, then the element is in error, with the same user agent behavior as occurs with an incorrectly specified 'path' element.

Mathematically, a 'polyline' element can be mapped to an equivalent 'path' element as follows: (Note: all coordinate and length values are first converted into user space coordinates according to Processing rules for CSS units and percentages.)

- perform an absolute moveto operation to the first coordinate pair in the list of points
- for each subsequent coordinate pair, perform an absolute lineto operation to that coordinate pair.

Example polyline01 below specifies a polyline in the user coordinate system established by the viewBox attribute on the 'svg' element.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm" viewBox="0 0 1200 400">
      <desc>Example polyline01 - increasingly larger bars</desc>

      <polyline style="fill:none; stroke:blue; stroke-width:10cm"
                points="50,375
                        150,375 150,325 250,325 250,375
                        350,375 350,250 450,250 450,375
                        550,375 550,175 650,175 650,375
                        750,375 750,100 850,100 850,375
                        950,375 950,25 1050,25 1050,375
                        1150,375" />
    </svg>

Example polyline01

View this example as SVG (SVG-enabled browsers only)

## 9.7 The 'polygon' element

The 'polygon' element defines a closed shape consisting of a set of connected straight line segments.

    <!ENTITY % polygonExt "" >
    <!ELEMENT polygon (%descTitle;,(animate|set|animateMotion|animateColor|animateTransform
                    %geExt;%polygonExt;)*) >
    <!ATTLIST polygon
      %stdAttrs;
      %langSpaceAttrs;
      class %ClassList; #IMPLIED
      transform %TransformList; #IMPLIED
      %graphicsElementEvents;
      %testAttrs;
      externalResourcesRequired %Boolean; #IMPLIED
      points %Points; #REQUIRED
      %StylableSVG-StyleAttribute;
      %FinalFormSVG-FillStrokeAttrs;
      %FinalFormSVG-GraphicsAttrs;
      %FinalFormSVG-MarkerAttrs; >

Attribute definitions:

points = "<list-of-points>"
  The points that make up the polygon. All coordinate values are in the user coordinate system.
  Animatable: yes.

Attributes defined elsewhere:
  %stdAttrs;, %langSpaceAttrs;, transform, %graphicsElementEvents;, %testAttrs;, %StylableSVG-StyleAttribute;.

If an odd number of points is provided, then the element is in error, with the same user agent behavior as occurs with an incorrectly specified 'path' element.

Mathematically, a 'polygon' element can be mapped to an equivalent 'path' element as follows: (Note: all coordinate and length values are first converted into user space coordinates according to Processing rules for CSS units and percentages.)

- perform an absolute moveto operation to the first coordinate pair in the list of points
- for each subsequent coordinate pair, perform an absolute lineto operation to that coordinate pair
- perform a closepath command

Example polygon01 below specifies two polygons (a star and a hexagon) in the user coordinate system established by the viewBox attribute on the 'svg' element.

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000302 Stylable//EN"
      "http://www.w3.org/TR/WD-SVG-20000302/DTD/svg-20000302-stylable.dtd">
    <svg width="12cm" height="4cm" viewBox="0 0 1200 400">
      <desc>Example polygon01 - star and hexagon</desc>

      <polygon style="fill:red; stroke:blue; stroke-width:10"
                points="350,75  379,161 469,161 397,215
                        423,301 350,250 277,301 303,215
                        231,161 321,161" />
      <polygon style="fill:lime; stroke:blue; stroke-width:10"
                points="850,75  958,137.5 958,262.5
                        850,325 742,262.6 742,137.5" />
    </svg>

Example polygon01

View this example as SVG (SVG-enabled browsers only)

### 9.8 The grammar for points specifications in 'polyline' and 'polygon' elements

The following is the BNF for points specifications in 'polyline' and 'polygon' elements. The following notation is used:

- *: 0 or more
- +: 1 or more
- ?: 0 or 1
- (): grouping
- |: separates alternatives
- double quotes surround literals

    list-of-points:
        wsp* coordinate-pairs?

    coordinate-pairs:
        coordinate-pair
        | coordinate-pair comma-wsp coordinate-pairs

    coordinate-pair:
        coordinate comma-wsp coordinate

    coordinate:
        number-wsp

    number-wsp:
        number wsp*

    number:
        sign? integer-constant
        | sign? floating-point-constant

    comma-wsp:
        comma? wsp*

    comma:
        ","

    integer-constant:
        digit-sequence

    floating-point-constant:
        fractional-constant exponent?
        | digit-sequence exponent

    fractional-constant:
        digit-sequence? "." digit-sequence
        | digit-sequence "."

    exponent:
        ( "e" | "E" ) sign? digit-sequence

    sign:
        "+" | "-"

    digit-sequence:
        digit
        | digit digit-sequence

    digit:
        "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"

    wsp:
        (#x20 | #x9 | #xD | #xA)+

## 9.9 DOM interfaces

The following interfaces are defined below: SVGRectElement, SVGCircleElement, SVGEllipseElement, SVGLineElement, SVGPolylineElement, SVGPolygonElement.

### Interface SVGRectElement

The SVGRectElement interface corresponds to the 'rect' element.

IDL Definition

      interface SVGRectElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
                 attribute SVGLength x;
                 attribute SVGLength y;
                 attribute SVGLength width;
                 attribute SVGLength height;
                 attribute SVGLength rx;
                 attribute SVGLength ry;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  SVGLength x
    Corresponds to attribute x on the given 'rect' element.
  SVGLength y
    Corresponds to attribute y on the given 'rect' element.
  SVGLength width
    Corresponds to attribute width on the given 'rect' element.
  SVGLength height
    Corresponds to attribute height on the given 'rect' element.
  SVGLength rx
    Corresponds to attribute rx on the given 'rect' element.
  SVGLength ry
    Corresponds to attribute ry on the given 'rect' element.

### Interface SVGCircleElement

The SVGCircleElement interface corresponds to the 'rect' element.

IDL Definition

      interface SVGCircleElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
                 attribute SVGLength cx;
                 attribute SVGLength cy;
                 attribute SVGLength r;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  SVGLength cx
    Corresponds to attribute cx on the given 'circle' element.
  SVGLength cy
    Corresponds to attribute cy on the given 'circle' element.
  SVGLength r
    Corresponds to attribute r on the given 'circle' element.

### Interface SVGEllipseElement

The SVGEllipseElement interface corresponds to the 'ellipse' element.

IDL Definition

      interface SVGEllipseElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
                 attribute SVGLength cx;
                 attribute SVGLength cy;
                 attribute SVGLength rx;
                 attribute SVGLength ry;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  SVGLength cx
    Corresponds to attribute cx on the given 'ellipse' element.
  SVGLength cy
    Corresponds to attribute cy on the given 'ellipse' element.
  SVGLength rx
    Corresponds to attribute rx on the given 'ellipse' element.
  SVGLength ry
    Corresponds to attribute ry on the given 'ellipse' element.

### Interface SVGLineElement

The SVGLineElement interface corresponds to the 'line' element.

IDL Definition

      interface SVGLineElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
                 attribute SVGLength x1;
                 attribute SVGLength y1;
                 attribute SVGLength x2;
                 attribute SVGLength y2;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  SVGLength x1
    Corresponds to attribute x1 on the given 'line' element.
  SVGLength y1
    Corresponds to attribute y1 on the given 'line' element.
  SVGLength x2
    Corresponds to attribute x2 on the given 'line' element.
  SVGLength y2
    Corresponds to attribute y2 on the given 'line' element.

### Interface SVGPolylineElement

The SVGPolylineElement interface corresponds to the 'polyline' element.

IDL Definition

      interface SVGPolylineElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
        readonly attribute SVGList points;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  readonly SVGList points

    Provides access to the contents of the points attribute.

    The various methods from SVGList, which are defined to accept parameters and return values of type Object, must receive parameters of type SVGPoint and return values of type SVGPoint.

### Interface SVGPolygonElement

The SVGPolygonElement interface corresponds to the 'polygon' element.

IDL Definition

      interface SVGPolygonElement : SVGElement, SVGTransformable, SVGLangSpace, SVGTests, EventTarget {
                 attribute DOMString className;
        readonly attribute SVGList points;

      #ifdef STYLABLESVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Stylable SVG.
                 STYLABLESVGStyleAttribute;
      #endif STYLABLESVG

      #ifdef FINALFORMSVG
                 // The following pre-defined attribute collections are only
                 // available in the DOM for Final Form SVG.
                 FINALFORMSVGFillStrokeAttrs;
                 FINALFORMSVGGraphicsAttrs;
      #endif FINALFORMSVG
          };

Attributes
  DOMString className
    Corresponds to attribute class on the given element.
  readonly SVGList points

    Provides access to the contents of the points attribute.

    The various methods from SVGList, which are defined to accept parameters and return values of type Object, must receive parameters of type SVGPoint and return values of type SVGPoint.

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