SVGMarkerElement: preserveAspectRatio property
The preserveAspectRatio
read-only property of the SVGMarkerElement
interface returns an SVGAnimatedPreserveAspectRatio
object containing the value of the preserveAspectRatio
attribute of the <marker>
.
Value
An SVGAnimatedPreserveAspectRatio
object. The baseVal
property of this object returns an SVGPreserveAspectRatio
object, with the following properties:
align
-
One of the following numeric constants:
0
-
SVG_PRESERVEASPECTRATIO_UNKNOWN
1
-
SVG_PRESERVEASPECTRATIO_NONE
2
-
SVG_PRESERVEASPECTRATIO_XMINYMIN
3
-
SVG_PRESERVEASPECTRATIO_XMIDYMIN
4
-
SVG_PRESERVEASPECTRATIO_XMAXYMIN
5
-
SVG_PRESERVEASPECTRATIO_XMINYMID
6
-
SVG_PRESERVEASPECTRATIO_XMIDYMID
7
-
SVG_PRESERVEASPECTRATIO_XMAXYMID
8
-
SVG_PRESERVEASPECTRATIO_XMINYMAX
9
-
SVG_PRESERVEASPECTRATIO_XMIDYMAX
10
-
SVG_PRESERVEASPECTRATIO_XMAXYMAX
meetOrSlice
-
One of the following numeric constants:
0
-
SVG_MEETORSLICE_UNKNOWN
1
-
SVG_MEETORSLICE_MEET
2
-
SVG_MEETORSLICE_SLICE
Examples
This example demonstrates how to return the numeric constants for align
and meetOrSlice
which relate to the values set for the preserveAspectRatio
attribute of <marker>
.
html
<svg id="svg" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<defs>
<marker
id="arrow"
viewBox="0 0 10 10"
refX="5"
refY="5"
preserveAspectRatio="xMidYMid meet"
markerWidth="6"
markerHeight="6"
orient="auto-start-reverse">
<path d="M 0 0 L 10 5 L 0 10 z" />
</marker>
</defs>
</svg>
js
let marker = document.getElementById("arrow");
console.log(marker.preserveAspectRatio.baseVal.align); // 6
console.log(marker.preserveAspectRatio.baseVal.meetOrSlice); // 1
Specifications
Specification |
---|
Scalable Vector Graphics (SVG) 2 # __svg__SVGFitToViewBox__preserveAspectRatio |
Browser compatibility
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