janishutz-legacy/impress.js
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minimum and maximum scale added to config

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This commit is contained in:
Bartek Szopka
2012-03-08 21:59:41 +01:00
parent 807943dadc
commit eb4df9c0ee
1 changed files with 18 additions and 6 deletions
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22
js/impress.js
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@@ -149,7 +149,9 @@
// probably will get extended (and configurable) later
var config = {
width: 1024,
height: 768
height: 768,
maxScale: 1,
minScale: 0
}
var canvas = document.createElement("div");
@@ -197,14 +199,24 @@
var isStep = function ( el ) {
return !!(el && el.id && stepData["impress-" + el.id]);
}
};
var computeWindowScale = function () {
var hScale = window.innerHeight / config.height;
var wScale = window.innerWidth / config.width;
return hScale > wScale ? wScale : hScale;
var hScale = window.innerHeight / config.height,
wScale = window.innerWidth / config.width,
scale = hScale > wScale ? wScale : hScale;
if (config.maxScale && scale > config.maxScale) {
scale = config.maxScale;
}
if (config.minScale && scale < config.minScale) {
scale = config.minScale;
}
return scale;
};
steps.forEach(function ( el, idx ) {
var data = el.dataset,
step = {