GitHub - ajgarn/CanvasImageUploader: Resize and rotate images by EXIF orientation on the client side during upload. This uses the HTML Canvas element and HTML5 FileReader.
jquery - Uploaded image in canvas drag, touchable and rotatable in html5 - Stack Overflow
How to add Image to Canvas using JavaScript
How to Resize an Image using Client-Side JavaScript and HTML5 Canvas | by Charmaine Chui | Webtips | Medium
Canvas Animation: Creating Beautiful HTML 5 Animations
html - Using HTML5/Canvas/JavaScript to take in-browser screenshots - Stack Overflow
javascript - HTML5 Canvas Image Draw with input text - Stack Overflow