SVG Rectangle

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SVG Basic
SVG HOME
SVG Intro
SVG Example
SVG in HTML
SVG Shapes
SVG Rectangle
SVG Circle
SVG Ellipse
SVG Line
SVG Polygon
SVG Polyline
SVG Path
SVG Filters
SVG Intro
SVG Gaussian
SVG Gradients
SVG Linear
SVG Radial
SVG Examples
SVG Examples
SVG Reference
SVG Elements

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# SVG <rect>

SVG has some predefined shape elements that can be used and manipulated by developers.

## SVG Shapes

SVG has some predefined shape elements that can be used and manipulated by developers:

- Rectangle <rect>
- Circle <circle>
- Ellipse <ellipse>
- Line <line>
- Polyline <polyline>
- Polygon <polygon>
- Path <path>

The following chapters will explain each element, starting with the rect element.

## The <rect> Tag

The <rect> tag is used to create a rectangle and variations of a rectangle shape.

To understand how this works, copy the following code into Notepad and save the file as "rect1.svg". Place the file in your Web directory:

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
    "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">

    <svg width="100%" height="100%" version="1.1"
    xmlns="http://www.w3.org/2000/svg">

    <rect width="300" height="100"
    style="fill:rgb(0,0,255);stroke-width:1;
    stroke:rgb(0,0,0)"/>

    </svg>

Code explanation:

- The width and height attributes of the rect element define the height and the width of the rectangle
- The style attribute is used to define CSS properties
- The CSS fill property defines the fill color of the rectangle (either an rgb value, a color name, or a hexadecimal value)
- The CSS stroke-width property defines the width of the border of the rectangle
- The CSS stroke property defines the color of the border of the rectangle

View example

Let's look at another example that contains some new attributes:

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
    "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">

    <svg width="100%" height="100%" version="1.1"
    xmlns="http://www.w3.org/2000/svg">

    <rect x="20" y="20" width="250" height="250"
    style="fill:blue;stroke:pink;stroke-width:5;
    fill-opacity:0.1;stroke-opacity:0.9"/>

    </svg>

Code explanation:

- The x attribute defines the left position of the rectangle (e.g. x="0" places the rectangle 0 pixels from the left of the browser window)
- The y attribute defines the top position of the rectangle (e.g. y="0" places the rectangle 0 pixels from the top of the browser window)
- The CSS fill-opacity property defines the opacity of the fill color (legal range: 0 to 1)
- The CSS stroke-opacity property defines the opacity of the stroke color (legal range: 0 to 1)

View example

Define the opacity for the whole element:

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
    "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">

    <svg width="100%" height="100%" version="1.1"
    xmlns="http://www.w3.org/2000/svg">

    <rect x="20" y="20" width="250" height="250"
    style="fill:blue;stroke:pink;stroke-width:5;
    opacity:0.9"/>

    </svg>

Code explanation:

- The CSS opacity property defines the opacity value for the whole element (legal range: 0 to 1)

View example

Last example, create a rectangle with rounded corners:

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
    "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">

    <svg width="100%" height="100%" version="1.1"
    xmlns="http://www.w3.org/2000/svg">

    <rect x="20" y="20" rx="20" ry="20" width="250"
    height="100" style="fill:red;stroke:black;
    stroke-width:5;opacity:0.5"/>

    </svg>

Code explanation:

- The rx and the ry attributes rounds the corners of the rectangle

View example

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