Awesome
trim-canvas
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A tiny (< 100 LoC) library for trimming whitespace from a canvas
element with no dependencies.
Installation
npm i -S trim-canvas
Usage
import trimCanvas from 'trim-canvas'
const canvas = document.createElement('canvas')
// do some drawing on it ...
trimCanvas(canvas)
// now the whitespace has been trimmed
If you don't want to mess with your existing canvas, then simply clone the canvas element beforehand.
trim-canvas
returns the canvas element for easy chaining.
Example
Can see how trim-canvas
is used inside of react-signature-canvas
here.
It includes a step for cloning the canvas.
Demo
You can see a demo of trim-canvas
here.
<small>(N.B. this is the demo for react-signature-canvas
which depends on trim-canvas
)</small>
Credits
Credits go to @efc for writing a quick version of this in this issue and to the original StackOverflow Answer that was credited in that issue.