Fabric.js

Load base image onto Fabric canvas.

Initialize Fabric.Eraser brush or a custom path brush.

User paints over target area for modification.

Export the path layer as a black/white mask using toDataURL().

Send mask and original image to AI backend (e.g., Stable Diffusion API).

Render a product base image (T-shirt/Cap).

Provide a UI for users to upload logos via fabric.Image.fromURL().

Enable scaling and rotation controls restricted to a specific 'print area' clipping path.

Use Fabric's text engine to allow custom font selection and curved text paths.

Serialize final design to JSON for order fulfillment.

Load architectural PDF/Blueprint into the background.

Use Fabric's drawing mode for freehand annotations.

Sync canvas.toJSON() changes across WebSockets to other team members.

Anchor comments (fabric.IText) to specific coordinates.

Export final markup as a multi-layer SVG.

Create a template library using Fabric JSON schemas.

Allow drag-and-drop of assets from a library sidebar onto the canvas.

Implement z-index layering controls using bringToFront() and sendToBack().

Apply live image filters (Sepia, Vintage) using the WebGL pipeline.

Export high-res PNG for direct posting.

Set up a Node.js server with Fabric and Node-Canvas.

Create a master template canvas object.

Iterate through a database of users/products.

Inject dynamic text and images into the Fabric object model on the server.

Save the result to S3 as a static PNG.

Implement a grid-snapping system using Fabric's coordinate grid events.

Add specialized libraries for math symbols and geometric shapes.

Enable touch-support for tablet and stylus interaction.

Save the lesson state for students to review later.

Allow recording of drawing sequences for asynchronous viewing.

Load raw dataset images onto a canvas.

Use fabric.Rect and fabric.Polygon for bounding area definition.

Attach metadata (class labels) to object properties.

Export the entire canvas as a COCO-format JSON for model training.

Verify annotation precision with sub-pixel alignment.