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author | Bartek Szopka <bartek.szopka+github@gmail.com> | 2012-03-08 21:59:41 +0100 |
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committer | Bartek Szopka <bartek.szopka+github@gmail.com> | 2012-03-08 21:59:41 +0100 |
commit | eb4df9c0ee6313d564bb63f76a80eb52ad2fa63c (patch) | |
tree | ef4e1f3fd7a0f038afa3a3298a76fec0367481c3 | |
parent | 807943dadc266f57caea0eba6ae0e680c787b99c (diff) | |
download | impress.js-eb4df9c0ee6313d564bb63f76a80eb52ad2fa63c.tar.gz |
minimum and maximum scale added to config
-rw-r--r-- | js/impress.js | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/js/impress.js b/js/impress.js index 4de2244..65f798d 100644 --- a/js/impress.js +++ b/js/impress.js @@ -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"); @@ -197,13 +199,23 @@ 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, |