/*
* Copyright (C) 2015-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
(function() {
var TextStage = Utilities.createSubclass(Stage,
function()
{
Stage.call(this);
this.testElements = [];
this._offsetIndex = 0;
}, {
shadowFalloff: new UnitBezier(new Point(0.015, 0.750), new Point(0.755, 0.235)),
shimmerAverage: 0,
shimmerMax: 0.5,
millisecondsPerRotation: 1000 / (.26 * Math.PI * 2),
particleDistanceX: 1.5,
particleDistanceY: .5,
lightnessMin: 13,
lightnessMax: 94,
gradients: [
[10, 176, 176, 209, 148, 140],
[171, 120, 154, 245, 196, 154],
[224, 99, 99, 71, 134, 148],
[101, 100, 117, 80, 230, 175],
[232, 165, 30, 69, 186, 172]
],
initialize: function(benchmark)
{
Stage.prototype.initialize.call(this, benchmark);
this._template = document.getElementById("template");
this._offset = this.size.subtract(Point.elementClientSize(this._template)).multiply(.5);
this._template.style.left = this._offset.width + "px";
this._template.style.top = this._offset.height + "px";
this._stepProgress = 0;
},
tune: function(count)
{
if (count == 0)
return;
if (count < 0) {
this._offsetIndex = Math.max(this._offsetIndex + count, 0);
for (var i = this._offsetIndex; i < this.testElements.length; ++i)
this.testElements[i].style.visibility = "hidden";
this._stepProgress = 1 / this._offsetIndex;
return;
}
this._offsetIndex = this._offsetIndex + count;
this._stepProgress = 1 / this._offsetIndex;
var index = Math.min(this._offsetIndex, this.testElements.length);
for (var i = 0; i < index; ++i)
this.testElements[i].style.visibility = "visible";
if (this._offsetIndex <= this.testElements.length)
return;
for (var i = this.testElements.length; i < this._offsetIndex; ++i) {
var clone = this._template.cloneNode(true);
this.testElements.push(clone);
this.element.insertBefore(clone, this.element.firstChild);
}
},
animate: function(timeDelta) {
var angle = Stage.dateCounterValue(this.millisecondsPerRotation);
var progress = 0;
var stepX = Math.sin(angle) * this.particleDistanceX;
var stepY = Math.cos(angle) * this.particleDistanceY;
var x = -stepX * 3;
var y = -stepY * 3;
var gradient = this.gradients[Math.floor(angle/(Math.PI * 2)) % this.gradients.length];
var offset = Stage.dateCounterValue(200);
this._template.style.transform = "translate(" + Math.floor(x) + "px," + Math.floor(y) + "px)";
for (var i = 0; i < this._offsetIndex; ++i) {
var element = this.testElements[i];
var colorProgress = this.shadowFalloff.solve(progress);
var shimmer = Math.sin(offset - colorProgress);
colorProgress = Math.max(Math.min(colorProgress + Utilities.lerp(shimmer, this.shimmerAverage, this.shimmerMax), 1), 0);
var r = Math.round(Utilities.lerp(colorProgress, gradient[0], gradient[3]));
var g = Math.round(Utilities.lerp(colorProgress, gradient[1], gradient[4]));
var b = Math.round(Utilities.lerp(colorProgress, gradient[2], gradient[5]));
element.style.color = "rgb(" + r + "," + g + "," + b + ")";
x += stepX;
y += stepY;
element.style.transform = "translate(" + Math.floor(x) + "px," + Math.floor(y) + "px)";
progress += this._stepProgress;
}
},
complexity: function()
{
return 1 + this._offsetIndex;
}
});
var TextBenchmark = Utilities.createSubclass(Benchmark,
function(options)
{
Benchmark.call(this, new TextStage(), options);
}
);
window.benchmarkClass = TextBenchmark;
}());