An infinite canvas tutorial

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Example

WebGPU

A polar system

Reduce draw calls with culling

Reduce draw calls with instanced array

Optimize picking performance with RBush

Render a Rect

Render a rounded rect with shadow

Render canvas in WebWorker

Export canvas content as image

Import SVG

Wikipedia datamap

Rough shapes

Wireframe

Draw holes in Path

Fill rule

Text

Use SDF to draw text

Use Bitmap Font to draw text

Use MSDF to draw text

Draw emoji

Draw bidirectional text

Shaping with HarfBuzz

Shaping with Opentype.js

Text baseline

Text drop shadow

Text stroke

Text decoration

Text path

Physical text

Load web font

Render TeX math

Text editor

Web Animations API

Select canvas mode

Adjust z-index with bring to front and send to back

Drag and drop image

Declarative gradient

Pattern

Image processing

Mindmap and layout

Mindmap

Tree

FlexTree

Binding between shapes

Draw tools

Rect tool

Arrow tool

Pencil tool

Pencil tool (freehand)

Brush tool

Laser pointer tool

Lasso tool

HTML and embeded content

HTML content

YouTube

Collaboration

Loro

Yjs

Liveblocks

Perfect Cursors

Comments Overlay

On this page

Rendering in WebWorker

transferControlToOffscreen from main thread to WebWorker.
Listen to events such as pointerdown / resize on main thread and transfer serialized version later.

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