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<canvas id="user-icon" width="256" height="256"></canvas> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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var colours = ["#1abc9c", "#2ecc71", "#3498db", "#9b59b6", "#34495e", "#16a085", "#27ae60", "#2980b9", "#8e44ad", "#2c3e50", "#f1c40f", "#e67e22", "#e74c3c", "#ecf0f1", "#95a5a6", "#f39c12", "#d35400", "#c0392b", "#bdc3c7", "#7f8c8d"]; | |
var name = "Lee Crossley", | |
nameSplit = name.split(" "), | |
initials = nameSplit[0].charAt(0).toUpperCase() + nameSplit[1].charAt(0).toUpperCase(); | |
var charIndex = initials.charCodeAt(0) - 64, | |
colourIndex = charIndex % 20; | |
var canvas = document.getElementById("user-icon"); | |
var context = canvas.getContext("2d"); | |
var canvasWidth = $(canvas).attr("width"), | |
canvasHeight = $(canvas).attr("height"), | |
canvasCssWidth = canvasWidth, | |
canvasCssHeight = canvasHeight; | |
if (window.devicePixelRatio) { | |
$(canvas).attr("width", canvasWidth * window.devicePixelRatio); | |
$(canvas).attr("height", canvasHeight * window.devicePixelRatio); | |
$(canvas).css("width", canvasCssWidth); | |
$(canvas).css("height", canvasCssHeight); | |
context.scale(window.devicePixelRatio, window.devicePixelRatio); | |
} | |
context.fillStyle = colours[colourIndex - 1]; | |
context.fillRect (0, 0, canvas.width, canvas.height); | |
context.font = "128px Arial"; | |
context.textAlign = "center"; | |
context.fillStyle = "#FFF"; | |
context.fillText(initials, canvasCssWidth / 2, canvasCssHeight / 1.5); |
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