JS
01
JUST AN EMPTY CANVAS <canvas id="can"></canvas>
02
IMAGE + CANVAS var iBack = new Image(), iMark = "Copyright", ctx = document.getElementById ("demo").getContext("2d");
03
function cmark () { ADD BACKGROUND IMAGE canvas.width = iBack.naturalWidth; canvas.height = iBack.naturalHeight; ctx.drawImage(iBack, 0, 0, iBack.naturalWidth, iBack.naturalHeight);
ADD WATERMARK ctx.font = "bold 24px Arial"; ctx.fillStyle = "rgba(255, 0, 0, 0.5)"; ctx.fillText(iMark, 10, 30); }
04
GO - PROCEED WHEN IMAGE LOADED iBack.onload = cmark; iBack.src = "eggs.jpg";