Created
October 6, 2015 00:40
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Logo da TriadWorks usando Canvas do HTML5 (by @mariohd)
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<html> | |
<body> | |
<div style="float: left"> | |
Tamanho: <input type="range" id="size" value="1" max="5" min=".1" step=".1" oninput="updateEscala()"><br> | |
Aneis: <input class="opcao" type="checkbox" id="aneis" checked="checked"><br> | |
Background: <input class="opcao" type="checkbox" id="fundo-laranja" checked="checked"><br> | |
Sombra: <input class="opcao" type="checkbox" id="sombra" checked="checked"><br> | |
Letras: <input class="opcao" type="checkbox" id="letras" checked="checked"><br> | |
<div> | |
<canvas id="meuCanvas" style="float: left"></canvas> | |
<script> | |
var canvas = document.getElementById('meuCanvas'); | |
var context = canvas.getContext('2d'); | |
var opcoes = document.querySelectorAll('.opcao'); | |
[].forEach.call(opcoes, function(opt) { | |
opt.addEventListener('click', function () { | |
debugger; | |
context.clearRect(0,0, canvas.width, canvas.height); | |
desenharLogo(); | |
}); | |
}); | |
var escala = 1; | |
function updateEscala() { | |
escala = document.getElementById('size').value; | |
context.clearRect(0,0, canvas.width, canvas.height); | |
canvas.width = escala * 300; | |
canvas.height = escala * 150; | |
desenharLogo(); | |
} | |
function desenharLogo() { | |
if (document.getElementById('aneis').checked) { | |
context.beginPath(); | |
context.arc(canvas.width/2.01 , canvas.height/2.01 , 60 * escala, 0, Math.PI * 2); | |
context.lineWidth = 3* escala; | |
context.strokeStyle="#964A2F"; | |
context.stroke(); | |
context.closePath(); | |
context.beginPath(); | |
var grd = context.createLinearGradient(0, 0, 0, 170); | |
grd.addColorStop(0, "#DD830E"); | |
grd.addColorStop(1, "#ED9D0C"); | |
context.strokeStyle = grd; | |
context.lineWidth = 3.5* escala; | |
context.arc(canvas.width/2.01, canvas.height/2.01, 57* escala, 0, Math.PI * 2); | |
context.stroke(); | |
context.closePath(); | |
} | |
if (document.getElementById('fundo-laranja').checked) { | |
context.beginPath(); | |
context.arc(canvas.width/2.01, canvas.height/2.01, 56* escala, 0, Math.PI * 2); | |
context.lineWidth = 3; | |
var grd = context.createLinearGradient(0, 0, 120, canvas.height * 10 * escala); | |
grd.addColorStop(0, "#EBA561"); | |
grd.addColorStop(1, "#F5B807"); | |
context.fillStyle=grd; | |
context.fill(); | |
context.closePath(); | |
} | |
if (document.getElementById('sombra').checked) { | |
context.beginPath(); | |
context.arc(canvas.width/2.01, canvas.height/2.01, 56 * escala, 180 * Math.PI / 180, 30 * Math.PI / 180, false); | |
context.lineWidth = 3* escala; | |
context.fillStyle="rgba(243, 241, 240,.3)"; | |
context.fill(); | |
context.closePath(); | |
} | |
if (document.getElementById('fundo-laranja').checked) { | |
context.save(); | |
context.beginPath(); | |
context.moveTo(canvas.width/3.20, canvas.height/2); | |
context.quadraticCurveTo(canvas.width/2, canvas.height/3.5, canvas.width/2.0 + (48* escala), canvas.height/1.45); | |
context.lineWidth = 3 * escala; | |
context.fillStyle="#EBA65D"; | |
context.fill(); | |
context.closePath(); | |
context.restore(); | |
} | |
if (document.getElementById('letras').checked) { | |
context.beginPath(); | |
context.lineWidth = 2 * escala; | |
context.fillStyle="#FDFDFD"; | |
context.strokeStyle="#6C3626 "; | |
context.moveTo(120 * escala, 50 * escala); | |
context.lineTo(115 * escala, 65 * escala); | |
context.lineTo(135 * escala, 65 * escala); | |
context.lineTo(125 * escala, 100* escala); | |
context.lineTo(135 * escala, 110* escala); | |
context.lineTo(150 * escala, 65 * escala); | |
context.lineTo(165 * escala, 65 * escala); | |
context.lineTo(170 * escala, 50 * escala); | |
context.lineTo(119 * escala, 50 * escala); | |
context.moveTo(139 * escala, 100 * escala); | |
context.lineTo(150 * escala, 110 * escala); | |
context.lineTo(170 * escala, 50 * escala); | |
context.lineTo(155 * escala, 50 * escala); | |
context.moveTo(165 * escala, 65 * escala); | |
context.lineTo(180 * escala, 65 * escala); | |
context.lineTo(165 * escala, 110 * escala); | |
context.lineTo(154 * escala, 100 * escala); | |
context.fill(); | |
context.stroke(); | |
context.closePath(); | |
} | |
} | |
desenharLogo(); | |
</script> | |
</body> | |
</html> |
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