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<mask>

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In SVG, you can specify that any other graphics object or <g> element can be used as an alpha mask for compositing the current object into the background. A mask is defined with the <mask> element. A mask is used/referenced using the mask property.

Usage context

CategoriesContainer element
Permitted contentAny number of the following elements, in any order:
Animation elements
Descriptive elements
Shape elements
Structural elements
Gradient elements
<a>, <altGlyphDef>, <clipPath>, <color-profile>, <cursor>, <filter>, <font>, <font-face>, <foreignObject>, <image>, <marker>, <mask>, <pattern>, <script>, <style>, <switch>, <text>, <view>

Attributes

Global attributes

Specific attributes

DOM Interface

This element implements the SVGMaskElement interface.

Example

SVG

<?xml version="1.0"?>
<svg width="200" height="80" viewBox="0 0 200 80" version="1.1"
    xmlns="https://www.w3.org/2000/svg" 
    xmlns:xlink="https://www.w3.org/1999/xlink">

  <defs>
    <mask id="myMask" maskUnits="userSpaceOnUse"
        x="0" y="0" width="200" height="80">
      <rect x="0" y="0" width="100" height="80" fill="white"/>
    </mask>

    <text id="Text" x="100" y="48" font-size="26" font-weight="bold"
        text-anchor="middle">
      Black & White
    </text>
  </defs>

  <!-- Draw black rectangle in the background -->
  <rect x="100" y="10" width="95" height="60" />
  
  <!-- Draw the text string twice. First, the white text without mask.
       Second, the black text with the mask applied-->
  <use xlink:href="#Text" fill="white"/>
  <use xlink:href="#Text" fill="black" mask="url(#myMask)"/>
</svg>

Result

Specifications

Specification Status Comment
CSS Masking Level 1
The definition of '<mask>' in that specification.
Candidate Recommendation  
Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of '<mask>' in that specification.
Recommendation Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) ?
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ? ? ? ? ?

See also

Etiquetas y colaboradores del documento

 Colaboradores en esta página: Sebastianz, flashadicts, kscarfone, Jeremie
 Última actualización por: Sebastianz,