DenysMedvid/pdf2htmlEX
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NR_PAGES_TO_PRERENDER_ON_ZOOM is now called SMOOTH_ZOOM_THRESHOLD

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This commit is contained in:
Michele Redolfi 2013-08-13 11:33:06 +02:00
parent ed1df3b470
commit 6abc16fb53
1 changed files with 4 additions and 3 deletions
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7
share/pdf2htmlEX.js.in
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@ -20,7 +20,8 @@ var pdf2htmlEX = (function(){
};
var DEFAULT_PAGES_TO_PRELOAD = 3;
var NR_PAGES_TO_PRERENDER_ON_ZOOM = 4; // 0: disable render optimizations (less CPU usage but flickering on zoom)
// Smooth zoom is enabled when pages shown are less then SMOOTH_ZOOM_THRESHOLD. Otherwise page content is hidden and redrawn after a delay (function schedule_render).
var SMOOTH_ZOOM_THRESHOLD = 4; // 0: disable smooth zoom optimizations (less CPU usage but flickering on zoom)
var pdf2htmlEX = new Object();
@ -343,7 +344,7 @@ var pdf2htmlEX = (function(){
var old_scale = this.scale;
var prerendering_enabled = false;
if (NR_PAGES_TO_PRERENDER_ON_ZOOM > 0) {
if (SMOOTH_ZOOM_THRESHOLD > 0) {
// Immediate rendering optimizations enabled to improve reactiveness while zooming
// Find out which pages are visible
var min_visible, max_visible;
@ -352,7 +353,7 @@ var pdf2htmlEX = (function(){
while (max_visible < this.pages.length && this.pages[max_visible].is_visible()) { max_visible++ }
// If less then the threshold, enable prerendering on selected pages
if (max_visible - min_visible - 2 < NR_PAGES_TO_PRERENDER_ON_ZOOM)
if (max_visible - min_visible - 2 < SMOOTH_ZOOM_THRESHOLD)
prerendering_enabled = true;
}