drawingboard.js | canvas based drawing app that you can integrate | Canvas library
kandi X-RAY | drawingboard.js Summary
kandi X-RAY | drawingboard.js Summary
This is a canvas based drawing app that you can integrate easily on your website. drawingboard.js consists of a blank canvas surrounded by a few UI elements that control it: a color picker, a pencil, a paint can, an eraser, a pencil size chooser, navigations and reset buttons. You can draw with mouse or touch on pretty much every browser that supports . Didn't test that much on IE but hey, WIP. local and session storage are supported: your last drawing is restored when you come back on the website. You can set a background image at initialization, or let the user drop one on the canvas. The drawingboard is really lightweight, but also really simple: if you want something more complete, go look at similar projects at the bottom of this doc.
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Top functions reviewed by kandi - BETA
- Generates a range of the input options
- Convert r hue to RGB
- Updates a pixel color .
- Truncate the given stack .
- Sets the tabindex of an element
- Look for key press events .
- bind blur events
- arr = b
- Disables the slider .
- Enables the slider
drawingboard.js Key Features
drawingboard.js Examples and Code Snippets
Community Discussions
Trending Discussions on drawingboard.js
QUESTION
The following code caused useEffect() to be called infinitely. Why is that the case? Removing drawingboarditems from the useEffect dependencies array solves the infinite loop, but as a result DrawingBoard will not automatically rerender whenenver a user adds an item to the database.
DrawingBoard.jsx
...ANSWER
Answered 2021-May-24 at 16:45In your case I would move the logic to the DrawingBoard
component, and would pass props to the children, so when a children adds an item, the main component would know to refresh the list of items.
Example (not tested):
Extract the logic to work with FireBase to functions. In that way they would be more re-usable, and would not add clutter to your code.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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