/** * Module dependencies. */ var Canvas = require('../lib/canvas') , canvas = new Canvas(200, 200) , largeCanvas = new Canvas(1000, 1000) , ctx = canvas.getContext('2d'); var times = 10000; console.log('\n \x1b[33m%s\x1b[0m times\n', times); function bm(label, overrideTimes, fn) { var start = new Date , n = times; if ('function' == typeof overrideTimes) { fn = overrideTimes; } else { n = overrideTimes; label += ' (' + n + ' times)'; } var pending = n; function done(){ var duration = (new Date - start) / 1000; console.log(' - \x1b[33m%s\x1b[0m %ss', label, duration); } if (fn.length) { while (n--) fn(function(){ --pending || done(); }); } else { while (n--) fn(); done(); } } // node-canvas bm('lineTo()', function(){ ctx.lineTo(0, 50); }); bm('arc()', function(){ ctx.arc(75,75,50,0,Math.PI*2,true); }); bm('fillStyle= hex', function(){ ctx.fillStyle = '#FFCCAA'; }); bm('fillStyle= rgba()', function(){ ctx.fillStyle = 'rgba(0,255,80,1)'; }); bm('fillRect()', function(){ ctx.fillRect(50, 50, 100, 100); }); bm('strokeRect()', function(){ ctx.strokeRect(50, 50, 100, 100); }); bm('linear gradients', function(){ var lingrad = ctx.createLinearGradient(0,50,0,95); lingrad.addColorStop(0.5, '#000'); lingrad.addColorStop(1, 'rgba(0,0,0,0)'); ctx.fillStyle = lingrad; ctx.fillRect(10,10,130,130); }); bm('toBuffer() 200x200', 50, function(){ canvas.toBuffer(); }); bm('toBuffer() 1000x1000', 50, function(){ largeCanvas.toBuffer(); }); bm('toBuffer().toString("base64") 200x200', 50, function(){ canvas.toBuffer().toString('base64'); }); bm('toDataURL() 200x200', 50, function(){ canvas.toDataURL(); }); bm('moveTo() / arc() / stroke()', function(){ ctx.beginPath(); ctx.arc(75,75,50,0,Math.PI*2,true); // Outer circle ctx.moveTo(110,75); ctx.arc(75,75,35,0,Math.PI,false); // Mouth ctx.moveTo(65,65); ctx.arc(60,65,5,0,Math.PI*2,true); // Left eye ctx.moveTo(95,65); ctx.arc(90,65,5,0,Math.PI*2,true); // Right eye ctx.stroke(); }); bm('createImageData(300,300)', function(){ ctx.createImageData(300,300); }); bm('getImageData(0,0,100,100)', function(){ ctx.getImageData(0,0,100,100); }); // bm('PNGStream 200x200', 50, function(done){ // var stream = canvas.createSyncPNGStream(); // stream.on('data', function(chunk){ // // whatever // }); // stream.on('end', function(){ // done(); // }); // }); console.log();