DenysMedvid/pdf2htmlEX
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Code

[js]add a default config object

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This commit is contained in:
Lu Wang 2013-10-05 16:11:03 +08:00
parent 9657dc09f3
commit 01188c8ac7
3 changed files with 28 additions and 30 deletions
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3
TODO
View File

@ -1,6 +1,3 @@
move pdf2htmlEX.Viewer's contstants outside
default config object
- dots issue
- AdobeXML*.pdf
- font issue

7
share/manifest
View File

@ -42,12 +42,7 @@ $css
"""
<script type="text/javascript">
try{
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({
container_id : 'page-container',
sidebar_id : 'sidebar',
outline_id : 'outline',
loading_indicator_cls : 'loading-indicator',
});
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer();
}catch(e){}
</script>
"""

48
share/pdf2htmlEX.js.in
View File

@ -10,6 +10,8 @@
/* The namespace */
var pdf2htmlEX = (function(){
var pdf2htmlEX = new Object();
var CSS_CLASS_NAMES = {
page_frame : '@CSS_PAGE_FRAME_CN@',
page_decoration : '@CSS_PAGE_DECORATION_CN@',
@ -20,16 +22,24 @@ var pdf2htmlEX = (function(){
__dummy__ : 'no comma'
};
// How many page shall we preload that are below the last visible page
var DEFAULT_PAGES_TO_PRELOAD = 3;
var DEFAULT_CONFIG = {
// id of the element to put the pages in
container_id : 'container_id',
// id of the element for sidebar (to open and close)
sidebar_id : 'sidebar_id',
// id of the element for outline
outline_id : 'outline_id',
// class for the loading indicator
loading_indicator_cls : 'loading_indicator_cls',
// How many page shall we preload that are below the last visible page
preload_pages : 3,
// Smooth zoom is enabled when the number of pages shown is less than the threshold
// Otherwise page content is hidden and redrawn after a delay (function schedule_render).
// 0: disable smooth zoom optimizations (less CPU usage but flickering on zoom)
smooth_zoom_threshold : 4,
// Smooth zoom is enabled when the number of pages shown is 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();
__dummy__ : 'no comma'
};
var EPS = 1e-6;
var invert = function(ctm) {
@ -140,11 +150,7 @@ var pdf2htmlEX = (function(){
});
pdf2htmlEX.Viewer = function(config) {
this.container_id = config['container_id'];
this.sidebar_id = config['sidebar_id'];
this.outline_id = config['outline_id'];
this.loading_indicator_cls = config['loading_indicator_cls'];
this.pages_to_preload = config['pages_to_preload'] || DEFAULT_PAGES_TO_PRELOAD;
this.config = $.extend({}, DEFAULT_CONFIG, config);
this.pages_loading = {};
this.init_before_loading_content();
@ -164,10 +170,10 @@ var pdf2htmlEX = (function(){
},
init_after_loading_content : function() {
this.$sidebar = $('#'+this.sidebar_id);
this.$outline = $('#'+this.outline_id);
this.$container = $('#'+this.container_id);
this.$loading_indicator = $('.'+this.loading_indicator_cls);
this.$sidebar = $('#'+this.config['sidebar_id']);
this.$outline = $('#'+this.config['outline_id']);
this.$container = $('#'+this.config['container_id']);
this.$loading_indicator = $('.'+this.config['loading_indicator_cls']);
// Open the outline if nonempty
if(this.$outline.children().length > 0) {
@ -253,7 +259,7 @@ var pdf2htmlEX = (function(){
}
// Concurrent prefetch of the next pages
if (pages_to_preload === undefined)
pages_to_preload = this.pages_to_preload;
pages_to_preload = this.config['preload_pages'];
if (--pages_to_preload > 0)
_.load_page(idx+1, pages_to_preload);
@ -359,7 +365,7 @@ var pdf2htmlEX = (function(){
var pl = this.pages;
var prerendering_enabled = false;
if (SMOOTH_ZOOM_THRESHOLD > 0) {
if (this.config['smooth_zoom_threshold'] > 0) {
// Immediate rendering optimizations enabled to improve reactiveness while zooming
// Find out which pages are visible
var min_visible, max_visible;
@ -370,7 +376,7 @@ var pdf2htmlEX = (function(){
-- max_visible;
// If less then the threshold, enable prerendering on selected pages
if (max_visible - min_visible + 1 < SMOOTH_ZOOM_THRESHOLD)
if (max_visible - min_visible + 1 < this.config['smooth_zoom_threshold'])
prerendering_enabled = true;
}