build/postprocessing.esm.js
function createCanvas(width, height, data, channels) {

	const canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
	const context = canvas.getContext("2d");

	const imageData = context.createImageData(width, height);
	const target = imageData.data;

	let x, y;
	let i, j;

	for(y = 0; y < height; ++y) {

		for(x = 0; x < width; ++x) {

			i = (y * width + x) * 4;
			j = (y * width + x) * channels;

			target[i] = (channels > 0) ? data[j] : 0;
			target[i + 1] = (channels > 1) ? data[j + 1] : 0;
			target[i + 2] = (channels > 2) ? data[j + 2] : 0;
			target[i + 3] = (channels > 3) ? data[j + 3] : 255;

		}

	}

	canvas.width = width;
	canvas.height = height;

	context.putImageData(imageData, 0, 0);

	return canvas;

}
function createCanvas(width, height, data, channels) {

	const canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
	const context = canvas.getContext("2d");

	const imageData = context.createImageData(width, height);
	const target = imageData.data;

	let x, y;
	let i, j;

	for(y = 0; y < height; ++y) {

		for(x = 0; x < width; ++x) {

			i = (y * width + x) * 4;
			j = (y * width + x) * channels;

			target[i] = (channels > 0) ? data[j] : 0;
			target[i + 1] = (channels > 1) ? data[j + 1] : 0;
			target[i + 2] = (channels > 2) ? data[j + 2] : 0;
			target[i + 3] = (channels > 3) ? data[j + 3] : 255;

		}

	}

	canvas.width = width;
	canvas.height = height;

	context.putImageData(imageData, 0, 0);

	return canvas;

}
function createCanvas ( width , height , data , channels ) { const canvas = document . createElementNS ( "http://www.w3.org/1999/xhtml" , "canvas" ) ; const context = canvas . getContext ( "2d" ) ; const imageData = context . createImageData ( width , height ) ; const target = imageData . data ; let x , y ; let i , j ; for ( y = 0 ; y < height ; ++ y ) { for ( x = 0 ; x < width ; ++ x ) { i = ( y * width + x ) * 4 ; j = ( y * width + x ) * channels ; target [ i ] = ( channels > 0 ) ? data [ j ] : 0 ; target [ i + 1 ] = ( channels > 1 ) ? data [ j + 1 ] : 0 ; target [ i + 2 ] = ( channels > 2 ) ? data [ j + 2 ] : 0 ; target [ i + 3 ] = ( channels > 3 ) ? data [ j + 3 ] : 255 ; } } canvas . width = width ; canvas . height = height ; context . putImageData ( imageData , 0 , 0 ) ; return canvas ; }
Creates a new canvas from raw image data.

@private
@param {Number} width - The image width.
@param {Number} height - The image height.
@param {Uint8ClampedArray} data - The image data.
@param {Number} channels - The color channels used for a single pixel.
@return {Canvas} The canvas.
Creates a new canvas from raw image data .