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HTML SVG Gradients
  • Last Updated : 24 Aug, 2020

SVG Gradient is used to smooth transition one color to another color within a shape. SVG provides two types of gradients.

  • Linear Gradients: Transition from one direction to another.
  • Radial Gradients: Transition circularly from one color to another from one direction to another.

Linear Gradients: The linear-gradient() CSS function is used to create an image which consist a progressive transition between two or more colors along a straight line.

Syntax:

<linearGradient
gradientUnits =”units to define contents of gradient”
gradientTransform = “definition of an additional transformation
from the gradient coordinate system onto the target coordinate system”

x1=”x-axis co-ordinate”
y1=”y-axis co-ordinate”
x2=”x-axis co-ordinate”
y2=”y-axis co-ordinate”



spreadMethod=”indicates method of spreading the gradient within graphics element”
xlink:href=”reference to another gradient” >
</linearGradient>

Attribute:

  • gradientUnits: Units to define the coordinate system for the various length values within the gradient.
  • x1: x-axis co-ordinate of the gradient vector.
  • y1: y-axis co-ordinate of the gradient vector.
  • x2: x-axis co-ordinate of the gradient vector.
  • y2: y-axis co-ordinate of the gradient vector.
  • spreadMethod: Indicates method of spreading the gradient within graphics element. Default is ‘pad’.
  • xlink:href: Used to refer to another gradient.

Example:




<!DOCTYPE html>
<html>
  
<body>
    <svg width="400" height="400">
        <defs>
            <linearGradient id="GFGGradient">
                <stop offset="0%" stop-color="white" />
                <stop offset="100%" stop-color="green" />
            </linearGradient>
        </defs>
  
        <g>
            <rect x="100" y="100" width="200" 
                height="200" stroke="black" 
                stroke-width="3" fill="url(#GFGGradient)" />
        </g>
    </svg>
</body>
  
</html>

Output:

Radial Gradients: The radial-gradient() CSS function is used to create an image which consist of a progressive transition between two or more colors that radiate from an origin. Its shape may be a circle or an ellipse.

Syntax:

<radialGradient
gradientUnits =”units to define co-ordinate system of contents of gradient”
gradientTransform = “definition of an additional transformation
from the gradient coordinate system onto the target coordinate system”



cx=”x-axis co-ordinate of center of circle.”
cy=”y-axis co-ordinate of center of circle.”

r=”radius of circle”

fx=”focal point for the radial gradient”
fy=”focal point for the radial gradient”

spreadMethod=”indicates method of spreading the
gradient within graphics element”
xlink:href=”reference to another gradient” >
</radialGradient>

Attribute:

  • gradientUnits: Units to define the coordinate system for the various length values within the gradient.
  • cx: x-axis co-ordinate of the center
  • cy: y-axis co-ordinate of the center
  • r: Radius of the center.
  • fx: Focal point of radial gradient.
  • fy: focal point of radial gradient.
  • spreadMethod: Indicates method of spreading the gradient within graphics element. Default is ‘pad’.
  • xlink:href: Used to refer to another gradient.

Example:




<!DOCTYPE html>
<html>
  
<body>
    <svg width="400" height="400">
        <defs>
            <radialGradient id="GFGGradient">
                <stop offset="0%" stop-color="white" />
                <stop offset="100%" stop-color="green" />
            </radialGradient>
        </defs>
  
        <g>
            <rect x="100" y="100" width="200" 
                height="200" stroke="green" 
                stroke-width="3" fill="url(#GFGGradient)" />
        </g>
    </svg>
</body>
  
</html>

Output:

full-stack-img

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