HTML5 SVG






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HTML5 SVG



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What is SVG?



  • SVG stands for Scalable Vector Graphics

  • SVG is used to define graphics for the Web

  • SVG is a W3C recommendation



The HTML <svg> Element


The HTML <svg> element is a container for SVG graphics.


SVG has several methods for drawing paths, boxes, circles, text, and graphic images.



Browser Support


The numbers in the table specify the first browser version that fully supports the
<svg> element.



















Element
<svg> 4.0 9.0 3.0 3.2 10.1


SVG Circle



Example



<!DOCTYPE html>
<html>
<body>

<svg
width="100" height="100">
  <circle cx="50" cy="50" r="40" stroke="green"
stroke-width="4" fill="yellow" />
</svg>

</body>
</html>

Try it Yourself »





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SVG Rectangle





Example



<svg width="400" height="100">
  <rect width="400" height="100" style="fill:rgb(0,0,255);stroke-width:10;stroke:rgb(0,0,0)"
/>
</svg>

Try it Yourself »


SVG Rounded Rectangle



Sorry, your browser does not support inline SVG.

Example



<svg width="400" height="180">
  <rect x="50" y="20" rx="20" ry="20"
width="150" height="150"
 
style="fill:red;stroke:black;stroke-width:5;opacity:0.5" />
</svg>

Try it Yourself »


SVG Star



Sorry, your browser does not support inline SVG.

Example



<svg width="300" height="200">
  <polygon points="100,10 40,198 190,78 10,78 160,198"
  style="fill:lime;stroke:purple;stroke-width:5;fill-rule:evenodd;" />
</svg>

Try it Yourself »


SVG Logo


SVG
Sorry, your browser does not support inline SVG.

Example



<svg height="130" width="500">
  <defs>
    <linearGradient id="grad1" x1="0%"
y1="0%" x2="100%" y2="0%">
      <stop offset="0%" style="stop-color:rgb(255,255,0);stop-opacity:1"
/>
      <stop offset="100%" style="stop-color:rgb(255,0,0);stop-opacity:1" />
   
</linearGradient>
  </defs>
  <ellipse cx="100" cy="70" rx="85" ry="55"
fill="url(#grad1)" />
  <text fill="#ffffff" font-size="45"
font-family="Verdana" x="50" y="86">SVG</text>
  Sorry, your browser does not
support inline SVG.
</svg>

Try it Yourself »



Differences Between SVG and Canvas


SVG is a language for describing 2D graphics in XML.


Canvas draws 2D graphics, on the fly (with a JavaScript).


SVG is XML based, which means that every element is available within the SVG
DOM. You can attach JavaScript event handlers for an element.


In SVG, each drawn shape is remembered as an object. If attributes of an SVG
object are changed, the browser can automatically re-render the shape.


Canvas is rendered pixel by pixel. In canvas, once the graphic is drawn, it is forgotten by the browser. If its
position should be changed, the entire scene needs to be redrawn, including any
objects that might have been covered by the graphic.



Comparison of Canvas and SVG


The table below shows some important differences between Canvas and SVG:











CanvasSVG


  • Resolution dependent

  • No support for event handlers

  • Poor text rendering capabilities

  • You can save the resulting image as .png or .jpg

  • Well suited for graphic-intensive games




  • Resolution independent

  • Support for event handlers

  • Best suited for applications with large rendering areas (Google Maps)

  • Slow rendering if complex (anything that uses the DOM a lot will be slow)

  • Not suited for game applications




SVG Tutorial



To learn more about SVG, read our SVG Tutorial.




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