intelli-image-crop

Intelli Image Crop intelligently removes white spaces from raster images. For Javascript and Typescript users.

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Usage

1. Import the module...

const removeImageBlanks = require('intelli-image-crop'); // Legacy Javascript
import removeImageBlanks from 'intelli-image-crop'; // Modern Javascript (React)

2. Usage example...

const imageObject = ...; // Your image object
const padding = 10; // Padding value
const cornerRadius = 20; // Corner radius value

const result = removeImageBlanks(imageObject, padding, cornerRadius);

3. Make sure the imageObject is rasterized (in pixels, not vectors) before you begin...

// Rasterize the canvas
const rasterizedCanvas = document.createElement("canvas");

// Make SURE you mutiply the width and height with the DPR (Device Pixel Ratio)
// for support on high-resolution displays!
rasterizedCanvas.width = viewerCanvas.offsetWidth * window.devicePixelRatio;
rasterizedCanvas.height = viewerCanvas.offsetHeight * window.devicePixelRatio;

const rasterizedContext = rasterizedCanvas.getContext("2d");

rasterizedContext.drawImage(viewerCanvas, 0, 0);