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El elemento foreignObject
permite la inclusión de un namespace XML externo que tiene su contenido gráfico dibujado por un diferente user-agent. El contenido gráfico externo incluido está sujeto a las transformaciones SVG y composición.
The contents of foreignObject
are assumed to be from a different namespace. Any SVG elements within a foreignObject
will not be drawn, except in the situation where a properly defined SVG subdocument with a proper xmlns
attribute specification is embedded recursively. One situation where this can occur is when an SVG document fragment is embedded within another non-SVG document fragment, which in turn is embedded within an SVG document fragment (e.g., an SVG document fragment contains an XHTML document fragment which in turn contains yet another SVG document fragment).
Usually, a foreignObject
will be used in conjunction with the <switch>
element and the requiredExtensions
attribute to provide proper checking for user agent support and provide an alternate rendering in case user agent support is not available.
Usage context
Categorias | Ninguna |
---|---|
Contenido permitido | Cualquier elemento o datos de caracter |
Example
<svg width="400px" height="300px" viewBox="0 0 400 300"
xmlns="https://www.w3.org/2000/svg">
<desc>This example uses the 'switch' element to provide a
fallback graphical representation of a paragraph, if
XHTML is not supported.</desc>
<!-- The 'switch' element will process the first child element
whose testing attributes evaluate to true.-->
<switch>
<!-- Process the embedded XHTML if the requiredExtensions attribute
evaluates to true (i.e., the user agent supports XHTML
embedded within SVG). -->
<foreignObject width="100" height="50"
requiredExtensions="https://www.w3.org/1999/xhtml">
<!-- XHTML content goes here -->
<body xmlns="https://www.w3.org/1999/xhtml">
<p>Here is a paragraph that requires word wrap</p>
</body>
</foreignObject>
<!-- Else, process the following alternate SVG.
Note that there are no testing attributes on the 'text' element.
If no testing attributes are provided, it is as if there
were testing attributes and they evaluated to true.-->
<text font-size="10" font-family="Verdana">
<tspan x="10" y="10">Here is a paragraph that</tspan>
<tspan x="10" y="20">requires word wrap.</tspan>
</text>
</switch>
</svg>
Attributes
Global attributes
- Conditional processing attributes »
- Core attributes »
- Graphical event attributes »
- Presentation attributes »
class
style
externalResourcesRequired
transform
Specific attributes
DOM Interface
This element implements the SVGForeignObjectElement
interface.
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 1.0 | 1.9 | No support | 2.0 | 3.0 |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | ? | ? | 2.0 | No support | 2.0 | 3.0 |
The chart is based on these sources.