Geometry interfaces

Geometry interfaces is a CSS module that provides interfaces for working with 3D and 2D graphics — in particular, for working with points, rectangles, quadrilaterals and transformation matrices (for operations that translate/move, scale, rotate, skew/shear/slant, and flip graphics, as well as for multiplying/chaining and inverting/undoing those operations).

As a web developer, you don't always use the geometry interfaces directly, but instead use other features that rely on them behind the scenes: parts of CSS Transforms, the Canvas API, the WebXR Device API, and (more directly) VideoFrame.visibleRect, Element.getClientRects(), and Element.getBoundingClientRect().

Interfaces

DOMMatrix: Represents a transformation matrix, for operations that translate/move, scale, rotate, skew/shear/slant, and flip graphics, as well as for multiplying/chaining and inverting/undoing those operations.
DOMMatrixReadOnly: Read-only version of DOMMatrix.
DOMPoint: Represents a 2D or 3D point in a coordinate system; it includes values for the coordinates in up to three dimensions, as well as an optional perspective value.
DOMPointReadOnly: Read-only version of DOMPoint.
DOMQuad: Represents a collection of four DOMPoint objects defining the corners of a quadrilateral.
DOMRect: Represents the size and position of a rectangle.
DOMRectReadOnly: Read-only version of DOMRect.

Examples

The Path2D.addPath() and CanvasPattern.setTransform() articles have examples that use some of the geometry interfaces.

Specifications

Specification
Geometry Interfaces Module Level 1 # DOMMatrix
Geometry Interfaces Module Level 1 # DOMPoint
Geometry Interfaces Module Level 1 # DOMQuad
Geometry Interfaces Module Level 1 # DOMRect

Browser compatibility

api.DOMMatrix

api.DOMMatrixReadOnly

api.DOMPoint

api.DOMPointReadOnly

api.DOMQuad

api.DOMRect

api.DOMRectReadOnly

Report problems with this compatibility data on GitHub

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`DOMRectReadOnly`
`DOMRectReadOnly()` constructor
`bottom`
`fromRect()` static method
`height`
`left`
`right`
`toJSON`
`top`
`width`
Available in workers
`x`
`y`

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Full support: Full support
: Uses a non-standard name.
: Has more compatibility info.

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