| 125 | // `computeWindowScale` counts the scale factor between window size and size |
| 126 | // defined for the presentation in the config. |
| 127 | var computeWindowScale = function( config ) { |
| 128 | var hScale = window.innerHeight / config.height, |
| 129 | wScale = window.innerWidth / config.width, |
| 130 | scale = hScale > wScale ? wScale : hScale; |
| 131 | |
| 132 | if ( config.maxScale && scale > config.maxScale ) { |
| 133 | scale = config.maxScale; |
| 134 | } |
| 135 | |
| 136 | if ( config.minScale && scale < config.minScale ) { |
| 137 | scale = config.minScale; |
| 138 | } |
| 139 | |
| 140 | return scale; |
| 141 | }; |
| 142 | |
| 143 | // CHECK SUPPORT |
| 144 | var body = document.body; |