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jdescottes
2014-06-30 20:38:14 +02:00
parent bd7ebc5f7d
commit d126023c4a
5 changed files with 82 additions and 12 deletions
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26
src/js/rendering/frame/TiledFrameRenderer.js
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@@ -1,6 +1,8 @@
(function () {
var ns = $.namespace('pskl.rendering.frame');
var CACHE_RESET_INTERVAL = 1000 * 60 * 10;
ns.TiledFrameRenderer = function (container, zoom) {
this.container = container;
this.setZoom(zoom);
@@ -8,11 +10,31 @@
this.displayContainer = document.createElement('div');
this.displayContainer.classList.add('tiled-frame-container');
container.get(0).appendChild(this.displayContainer);
this.cache_ = {};
window.setInterval(function () {this.cache_ = {};}.bind(this), CACHE_RESET_INTERVAL);
};
ns.TiledFrameRenderer.prototype.render = function (frame) {
var canvas = new pskl.utils.FrameUtils.toImage(frame, this.zoom);
this.displayContainer.style.backgroundImage = 'url(' + canvas.toDataURL('image/png') + ')';
var frameData = null;
var hash = frame.getHash();
if (this.cache_[hash]) {
frameData = this.cache_[hash];
} else {
var frameAsString = JSON.stringify(frame.getPixels());
if (this.cache_[frameAsString]) {
frameData = this.cache_[frameAsString];
} else {
var canvas = new pskl.utils.FrameUtils.toImage(frame, this.zoom);
frameData = canvas.toDataURL('image/png');
this.cache_[frameAsString] = frameData;
}
this.cache_[hash] = frameData;
}
this.displayContainer.style.backgroundImage = 'url(' + frameData + ')';
};
ns.TiledFrameRenderer.prototype.show = function () {