ppu-ocv/operations/rotate.js

A type-safe, modular, chainable image processing library built on top of OpenCV.js with a fluent API leveraging pipeline processing.

import{cv}from"../cv-provider.js";import{registry}from"../pipeline/registry.js";export function rotate(img,options){let center=options.center||new cv.Point(img.cols/2,img.rows/2);let M=cv.getRotationMatrix2D(center,options.angle,1);let dsize=new cv.Size(img.cols,img.rows);let rotatedImg=new cv.Mat;cv.warpAffine(img,rotatedImg,M,dsize,cv.INTER_LINEAR,cv.BORDER_CONSTANT,new cv.Scalar);img.delete();M.delete();return{img:rotatedImg,width:rotatedImg.cols,height:rotatedImg.rows}}registry.register("rotate",rotate);