Package Exports
- @thi.ng/canvas
Readme
[!NOTE] This is one of 192 standalone projects, maintained as part of the @thi.ng/umbrella monorepo and anti-framework.
🚀 Please help me to work full-time on these projects by sponsoring me on GitHub. Thank you! ❤️
About
Canvas creation & HDPI support helpers.
This package provides small frequently used helpers for HTML Canvas 2D creation & resizing:
Status
STABLE - used in production
Search or submit any issues for this package
Note: Some functions were previously part of the thi.ng/adapt-dpi and thi.ng/pixel packages, but have been migrated to this package for better/smaller re-use...
Installation
yarn add @thi.ng/canvasESM import:
import * as can from "@thi.ng/canvas";Browser ESM import:
<script type="module" src="https://esm.run/@thi.ng/canvas"></script>Package sizes (brotli'd, pre-treeshake): ESM: 348 bytes
Dependencies
None
Usage examples
Several projects in this repo's /examples directory are using this package:
| Screenshot | Description | Live demo | Source | 
|---|---|---|---|
|  | Interactive & reactive image blurhash generator | Demo | Source | 
|  | Self-modifying, animated typographic grid with emergent complex patterns | Demo | Source | 
|  | geom-fuzz basic shape & fill examples | Demo | Source | 
|  | Visualization of different grid iterator strategies | Demo | Source | 
|  | Basic hiccup-based canvas drawing | Demo | Source | 
|  | Barnsley fern IFS fractal renderer | Demo | Source | 
|  | Pixel buffer manipulations | Demo | Source | 
|  | Showcase of various dithering algorithms | Demo | Source | 
|  | Image dithering and remapping using indexed palettes | Demo | Source | 
|  | Normal map creation/conversion basics | Demo | Source | 
|  | RGB waveform image analysis | Demo | Source | 
|  | Animated, iterative polygon subdivisions & visualization | Demo | Source | 
|  | Port-Duff image compositing / alpha blending | Demo | Source | 
|  | Steering behavior drawing with alpha-blended shapes | Demo | Source | 
|  | Entity Component System w/ 100k 3D particles | Demo | Source | 
|  | Visual comparison of biased vs. unbiased normal vectors projected on the surface of a sphere | Demo | Source | 
|  | WebGL cube maps with async texture loading | Demo | Source | 
|  | WebGL instancing, animated grid | Demo | Source | 
|  | WebGL MSDF text rendering & particle system | Demo | Source | 
| Minimal multi-pass / GPGPU example | Demo | Source | |
|  | Interactively drawing to & reading from a WebGL offscreen render texture | Demo | Source | 
API
TODO
Authors
If this project contributes to an academic publication, please cite it as:
@misc{thing-canvas,
  title = "@thi.ng/canvas",
  author = "Karsten Schmidt",
  note = "https://thi.ng/canvas",
  year = 2023
}License
© 2023 - 2024 Karsten Schmidt // Apache License 2.0