How to draw xlink:href to canvas?

@darion 

To draw xlink:href to a canvas element, you will first need to load the linked image file using JavaScript. Here's a step-by-step guide on how to achieve this:

1. Create a canvas element in your HTML file:

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<canvas id="myCanvas" width="300" height="150"></canvas>

1. Get the canvas context and create an image object in your JavaScript file:

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const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');
const img = new Image();

1. Set the xlink:href attribute of the image object to the URL of the image file:

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img.src = 'path/to/your/image.jpg';

1. Once the image has loaded, draw it on the canvas:

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img.onload = function() {
  ctx.drawImage(img, 0, 0);
}

1. Make sure to handle any errors that may occur during the loading process:

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img.onerror = function() {
  console.log('Error loading image');
}

With these steps, you should be able to draw an xlink:href image to a canvas element on your webpage. Just remember to replace 'path/to/your/image.jpg' with the actual URL of the image file you want to display.