SVG Rounded Rectangle: A Comprehensive Guide

The SVG (Scalable Vector Graphics) rounded rectangle is a versatile element that can be used to create a wide range of shapes and designs. In this article, we will explore the key attributes, conditional processing attributes, aria attributes, paint server elements, descriptive elements, animation elements, and content model of the `rect` element, which defines a rectangle with optional rounded corners.

Core Attributes

The `rect` element has several core attributes that can be used to customize its appearance. These include:

* `id`: A unique identifier for the element

* `tabindex`: The tab order of the element

* `lang`: The language of the content

* `xml:space`: The handling of whitespace characters

* `class`: A space-separated list of class names

* `style`: Inline CSS styles

Conditional Processing Attributes

The `rect` element also has several conditional processing attributes that can be used to specify conditions for rendering the shape. These include:

* `requiredExtensions`: A list of required extensions

* `systemLanguage`: The system language

Aria Attributes

The `rect` element supports a wide range of aria attributes that provide additional information about the shape, such as its role and state. Some of the most commonly used aria attributes include:

* `aria-activedescendant`: The active descendant element

* `aria-atomic`: Whether the content is atomic

* `aria-autocomplete`: The autocomplete behavior

* `aria-busy`: Whether the element is busy

* `aria-checked`: The checked state of a checkbox or radio button

* `aria-colcount`: The number of columns in a table cell

* `aria-colindex`: The column index of a cell

* `aria-colspan`: The column span of a cell

* `aria-controls`: The element that controls the rectangle

* `aria-current`: The current state of a step or progress indicator

* `aria-describedby`: The description of an element

* `aria-details`: The details about an element

* `aria-disabled`: Whether the element is disabled

* `aria-dropeffect`: The effect of dropping an object onto the rectangle

* `aria-errormessage`: An error message for an invalid value

* `aria-expanded`: Whether the element is expanded or collapsed

* `aria-flowto`: The flow direction of a cell

* `aria-grabbed`: Whether an element has been grabbed

* `aria-haspopup`: Whether the rectangle has a popup menu

* `aria-hidden`: Whether the element is hidden

* `aria-invalid`: Whether the element contains invalid data

* `aria-keyshortcuts`: A list of keyboard shortcuts for the element

* `aria-label`: The text label for an element

* `aria-labelledby`: The ID of an element that provides a label

* `aria-level`: The level of a heading or outline item

* `aria-live`: The live region properties

* `aria-modal`: Whether the rectangle is modal

* `aria-multiline`: Whether the content can be edited in multiple lines

* `aria-multiselectable`: Whether the element allows multiple selections

* `aria-orientation`: The orientation of an element

* `aria-owns`: A list of owned elements

* `aria-placeholder`: A placeholder text for an element

* `aria-posinset`: The position of an item in a set

* `aria-pressed`: Whether the element is pressed

* `aria-readonly`: Whether the element can be read-only

* `aria-relevant`: Whether the rectangle has relevance to an event

* `aria-required`: Whether the element is required

* `aria-roledescription`: A description of the role of an element

* `aria-rowcount`: The number of rows in a table

* `aria-rowindex`: The row index of a cell

* `aria-rowspan`: The row span of a cell

* `aria-selected`: Whether the element is selected

* `aria-setsize`: The size of a set

* `aria-sort`: The sort order of a column

* `aria-valuemax`: The maximum value of an element

* `aria-valuemin`: The minimum value of an element

* `aria-valuenow`: The current value of an element

* `aria-valuetext`: A text representation of the value

* `role`: The role of the element

Paint Server Elements

The `rect` element also supports several paint server elements that can be used to define shapes and patterns. These include:

* `linearGradient`: A linear gradient

* `radialGradient`: A radial gradient

* `pattern`: A repeating pattern

Descriptive Elements

The `rect` element has several descriptive elements that provide additional information about the shape, such as its name and description. Some of the most commonly used descriptive elements include:

* `desc`: A brief description of the shape

* `title`: The title of the shape

* `metadata`: Additional metadata about the shape

Animation Elements

The `rect` element also has several animation elements that can be used to animate the shape over time. These include:

* `animate`: An animation element

* `animateMotion`: A motion animation element

* `animateTransform`: A transformation animation element

* `discard`: An element that discards its content

* `set`: An element that sets a value

In conclusion, the SVG rounded rectangle is a powerful and versatile element that can be used to create a wide range of shapes and designs. By understanding its key attributes, conditional processing attributes, aria attributes, paint server elements, descriptive elements, animation elements, and content model, you can unlock the full potential of this element and create stunning graphics for your web pages.

Svg rounded rectangle