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