Canvas drawImage scaling
Canvas drawImage scaling I'm trying to scale an image proportionately to the canvas. I'm able to scale it with fixed width and height as so: context.drawImage(imageObj, 0, 0, 100, 100) But I only want to resize the width and have the height resize proportionately. Something like the following: context.drawImage(imageObj, 0, 0, 100, auto) I've looked everywhere I can think of and haven't seen if this is possible. 3 Answers 3 context.drawImage(imageObj, 0, 0, 100, 100 * imageObj.height / imageObj.width) solution of @TechMaze is quite good. here is the code after some correctness and introduction of image.onload event. image.onload is too much essential in order to abstain from any kind of distortion. function draw_canvas_image() { var canvas = document.getElementById("image-holder-canvas"); var context = canvas.getContext("2d"); var imageObj = document.getElementB...