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🎨 Classic MS Paint, REVIVED + ✨Extras

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A nice web-based MS Paint remake and more... Try it out!

The goal is to remake MS Paint (including its little-known features), improve on it, and to extend the types of images it can edit. So far, it does this pretty well.

Screenshot

Ah yes, good old paint. Not the one with the ribbons or the new skeuomorphic one with the interface that can take up nearly half the screen. And sorry, not the even newer Paint 3D.

Windows 95, 98, and XP were the golden years of paint. You had a tool box and a color box, a foreground color and a background color, and that was all you needed.

Things were simple.

But we want to undo more than three actions. We want to edit transparent images. We can't just keep using the old paint.

So that's why I'm making JS Paint. I want to bring good old paint into the modern era.

Current improvements include:

  • Cross-platform
  • Unlimited undos/redos (as opposed to a measly 3 in Windows XP, or a measly 50 in Windows 7)
  • Autosaves if you allow local storage. (Try refreshing the page to make sure this works, and to check it out)
  • Edit transparent images! To create a transparent image, go to Image > Attributes... and select Transparent, then Okay, and then Image > Clear Image or use the Eraser tool. Images with any transparent pixels will open in Transparent mode.
  • Go to View > Extras Menu to enable access to additional features not available in MS Paint
  • Switch themes from the Extras menu
  • Create an animated GIF from the current document history. Accessible from the Extras menu or with Ctrl+Shift+G. It's pretty nifty, you should try it out! You might want to limit the size of the image though.
  • You can shoot at it Asteroids style
  • When you do Edit > Paste From... you can select transparent images and GIFs. You can even paste a transparent animated GIF and then hold Shift while dragging the selection to smear it across the canvas while it animates! Update: This was due to not-to-spec behavior in Chrome. I may reimplement this in the future as I really liked this feature.
  • You can open SVG files (because browsers support SVG). It's still a completely raster image editor though.
  • You can crop the image by making a selection while holding Ctrl
  • Keyboard shortcuts for rotation: Ctrl+. and Ctrl+, (< and >)
  • Rotate by any arbitrary angle in Image > Flip/Rotate
  • In Image > Stretch/Skew, you can stretch more than 500% at once
  • Replace a color in the entire image by holding Shift and using the fill tool (AKA non-contiguous fill)
  • Rudimentary multi-user support. Start up a session at jspaint.app/#session:multi-user-test and send the link to your friends! It isn't seamless; actions by other users interrupt what you're doing, and visa versa. Sessions are not private, and you may lose your work at any time. If you want better collaboration support, follow the development of Mopaint.
  • Load many different palette formats with Colors > Get Colors. (I made a library for this.)
  • Mobile support
  • Click/tap the selected colors area to swap the foreground and background colors

JS Paint drawing of JS Paint on a phone

Possible future improvements:

  • Extended Editing
  • Proportionally resize the selection or canvas by holding Shift (or maybe that should be the default, really!)
  • Alt as a shortcut for the eyedropper, as long as it doesn't conflict with keyboard navigation of menus
  • Optional fill tolerance (slider that you enable from a settings menu?)
  • Interactive tutorial(s)?

Limitations:

A lot of stuff isn't done yet. See: the big long todo list.

Clipboard support is somewhat limited. You can copy with Ctrl+C, cut with Ctrl+X, and paste with Ctrl+V, but data copied from JS Paint can only be pasted into other instances of JS Paint. There's apparently no way for web apps to properly copy image data to the clipboard. "Support programmatical copying of images to clipboard" is currently the top starred issue of chromium.

Extended Editing

I want to make JS Paint to be able to edit...

  • Transparent PNGs - Done! Images that are partially transparent will automatically open in Transparent mode. To enable transparency for an image, go to Image > Attributes... or press Ctrl+E, select Transparent, and hit Okay. Then you'll want to remove some of the background. You can use the Eraser tool a bit, then use the Color Picker to pick up where you erased and then use the Fill tool to remove bigger areas.
  • Animated GIFs (yes, that entails a fully featured (but simple) animation editor). - Currently you can only make GIFs of the document history, with Ctrl+Shift+G or from the Extras menu.
  • Animated Transparent APNGs (better than GIFs, but with less support)
  • Multi-size Icons (ICO for windows and ICNS for mac)
  • Scalable Vector Graphics (kidding) - Actually, it could always open SVG files in browsers that can handle SVGs, and I've made it try not to save over the original SVG. That's pretty decent SVG support for a 100% raster image editor.
  • Text files (definitely just kidding maybe)
  • Tesselating patterns, and textures on 3D models; that might be a pipe dream, but then again... hm...

Did you know?

  • There's a black and white mode with patterns instead of colors in the palette, which you can get to from Image > Attributes...

  • You can drag the color box and tool box around if you grab them by the right place. You can even drag them out into little windows. You can dock the windows back to the side by double-clicking on their title bars.

  • In addition to the left-click foreground color and the right-click background color, there's a third color you can access by holding Ctrl while you draw. It starts out with no color so you'll need to hold Ctrl and select a color first. The fancy thing about this color slot is you can press and release Ctrl to switch colors while drawing.

  • You can apply image transformations like Flip/Rotate, Stretch/Skew or Invert (in the Image menu) either to the whole image or to a selection. Try scribbling with the Free-Form Select tool and the doing Image > Invert

  • These Tips and Tricks from a tutorial for MS Paint also work in JS Paint if they have a checkmark:

    • Brush Scaling (+ & - on the Numpad to adjust brush size)
    • "Custom Brushes" (hold Shift and drag the selection to smear it)
    • The 'Stamp' "Tool" (hold Shift and click the selection to stamp it)
    • Image Scaling (+ & - on the Numpad to scale the selection by factors of 2)
    • Color Replacement (right mouse button with Eraser to selectively replace the foreground color with the background color)
    • The Grid (Ctrl+G & Zoom to 6x+)
    • Quick Undo (Pressing a second mouse button cancels the action you were performing. I also made it redoable, in case you do it by accident! But it broke at some point in Chrome.)
    • Scroll Wheel Bug (Hmm, let's maybe not recreate this?)

Development Setup

Clone the repo.

There's currently no build step of any kind. You just need an HTTP server.

Live Server is nice (it auto reloads when you save changes), and it's included in package.json so if you want you can do npm i to install dependencies and npm run dev to run it.

Alternatively you can install it globally with npm i -g live-server and run it with live-server.

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