Freehand Rectangle Drawing with Fabric.js
Core Principles
To create rectangles via a "drag-to-select" method, focus on two key actions:
Capture start coordinates (mouse button pressed) and end coordinates (mouse button released).
After releasing the mouse, use the two coordinates to calculate the rectangle’s dimensions (width/height) and position.
Fabric.js provides event l ...
Posted on Thu, 14 May 2026 15:30:51 +0000 by aldoh