JSFiddle - React, Tailwind, and code Playground

by Julio Feferman

HTML

<button onclick="print()" class="no-print">Print Canvas</button>
<div class="myDivToPrint">
  <div class="Aligner-item">
    <canvas height="4500px" width="4500px" id="canvas1"></canvas>
    <div class="printOnly Aligner-item--bottom"> Print Only</div>
  </div>

</div>

CSS

canvas {
  border: 1px dotted;
}

.printOnly, #myFrame {
  display: none;
}

@media print {
  html,
  body {
    height: 100%;
    background-color: yellow;
  }
  .myDivToPrint {
    background-color: yellow;
    /*
        height: 100%;
    
        width: 100%;
        position: fixed;*/
    top: 0;
    left: 0;
    margin: 0;
  }
  .no-print,
  .no-print * {
    display: none !important;
  }
  .printOnly {
    display: block;
  }
}

@media print and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
  html,
  body {
    height: 100%;
    background-color: yellow;
  }
  .myDivToPrint {
    background-color: yellow;
    /*
        height: 100%;
    
        width: 100%;
        position: fixed;*/
    top: 0;
    left: 0;
    margin: 0;
    padding: 15px;
    font-size: 14px;
    line-height: 18px;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
  }
  .no-print,
  .no-print * {
    display: none !important;
  }
  .printOnly {
    display: block;
  }
}

JavaScript

var canvas = document.getElementById("canvas1");

function draw_a() {
  var context = canvas.getContext("2d");
  //   //  LEVER

  //plane
  context.fillStyle = '#aaa';
  context.fillRect(25, 90, 4500, 4500);
}

print = function() {
	window.frames["myFrame"].focus();
	window.frames["myFrame"].print();
}

function setupPrintFrame() {
	$('<iframe id="myFrame" name="myFrame">').appendTo("body").ready(function(){
    setTimeout(function(){
        $('#myFrame').contents().find('body').append("<img src='" + canvas.toDataURL() + "' height='500px' width='500px' />'");
    },50);
	});
}

$(document).ready(function() {
  draw_a();
	setupPrintFrame();
});