DenysMedvid/pdf2htmlEX
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Lu Wang 2013-11-12 16:02:11 +08:00
parent 932e21cc0f
commit 292b2d4eed
2 changed files with 44 additions and 44 deletions
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1
TODO
View File

@ -1,3 +1,4 @@
built in support for ttfautohint
beforeprint/afterprint
more information on demo page:

87
share/pdf2htmlEX.js.in
View File

@ -106,7 +106,7 @@ function get_page_number(ele) {
* @param{NodeList} eles
*/
function disable_dragstart(eles) {
for(var i = 0, l = eles.length; i < l; ++i) {
for (var i = 0, l = eles.length; i < l; ++i) {
eles[i].addEventListener('dragstart', function() {
return false;
}, false);
@ -118,10 +118,10 @@ function disable_dragstart(eles) {
*/
function clone_and_extend_objs(var_args) {
var result_obj = {};
for(var i = 0, l = arguments.length; i < l; ++i) {
for (var i = 0, l = arguments.length; i < l; ++i) {
var cur_obj = arguments[i];
for(var k in cur_obj) {
if(cur_obj.hasOwnProperty(k)) {
for (var k in cur_obj) {
if (cur_obj.hasOwnProperty(k)) {
result_obj[k] = cur_obj[k];
}
}
@ -134,7 +134,7 @@ function clone_and_extend_objs(var_args) {
* @param{Element} page The element for the page
*/
function Page(page) {
if(!page) return;
if (!page) return;
this.loaded = false;
this.shown = false;
@ -171,7 +171,7 @@ function Page(page) {
Page.prototype = {
/* hide & show are for contents, the page frame is still there */
hide : function(){
if(this.loaded && this.shown) {
if (this.loaded && this.shown) {
this.content_box.classList.remove('opened');
this.shown = false;
}
@ -186,7 +186,7 @@ Page.prototype = {
* @param{number} ratio
*/
rescale : function(ratio) {
if(ratio == 0) {
if (ratio == 0) {
// reset scale
this.cur_scale = this.original_scale;
} else {
@ -194,7 +194,7 @@ Page.prototype = {
}
// scale the content box
{
if (this.loaded) {
var cbs = this.content_box.style;
cbs.msTransform = cbs.webkitTransform = cbs.transform = 'scale('+this.cur_scale.toFixed(3)+')';
}
@ -261,14 +261,14 @@ Viewer.prototype = {
// Open the outline if nonempty
var empty = true;
var nodes = this.outline.childNodes;
for(var i = 0, l = nodes.length; i < l; ++i) {
for (var i = 0, l = nodes.length; i < l; ++i) {
var cur_node = nodes[i];
if(cur_node.nodeName == 'UL') {
if (cur_node.nodeName == 'UL') {
empty = false;
break;
}
}
if(!empty)
if (!empty)
this.sidebar.classList.add('opened');
}
@ -277,7 +277,7 @@ Viewer.prototype = {
// disable dragging of background images
disable_dragstart(document.getElementsByClassName(CSS_CLASS_NAMES.background_image));
if(this.config['register_key_handler'])
if (this.config['register_key_handler'])
this.register_key_handler();
// register schedule rendering
@ -304,9 +304,9 @@ Viewer.prototype = {
var new_pages = [];
var new_page_map = {};
var nodes = this.container.childNodes;
for(var i = 0, l = nodes.length; i < l; ++i) {
for (var i = 0, l = nodes.length; i < l; ++i) {
var cur_node = nodes[i];
if((cur_node.nodeType == Node.ELEMENT_NODE)
if ((cur_node.nodeType == Node.ELEMENT_NODE)
&& cur_node.classList.contains(CSS_CLASS_NAMES.page_frame)) {
var p = new Page(cur_node);
new_pages.push(p);
@ -355,17 +355,17 @@ Viewer.prototype = {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.onreadystatechange = function(){
if(xhr.readyState != 4) return;
if(xhr.status == 200) {
if (xhr.readyState != 4) return;
if (xhr.status == 200) {
// find the page element in the data
var div = document.createElement('div');
div.innerHTML = xhr.responseText;
var new_page = null;
var nodes = div.childNodes;
for(var i = 0, l = nodes.length; i < l; ++i) {
for (var i = 0, l = nodes.length; i < l; ++i) {
var cur_node = nodes[i];
if((cur_node.nodeType == Node.ELEMENT_NODE)
if ((cur_node.nodeType == Node.ELEMENT_NODE)
&& cur_node.classList.contains(CSS_CLASS_NAMES.page_frame)) {
new_page = cur_node;
break;
@ -387,7 +387,7 @@ Viewer.prototype = {
_.schedule_render(false);
if(callback){ callback(p); }
if (callback){ callback(p); }
}
// Reset loading token
@ -444,13 +444,13 @@ Viewer.prototype = {
var max_visible_ratio = 0.0;
var pl = this.pages;
for(var i = 0, l = pl.length; i < l; ++i) {
for (var i = 0, l = pl.length; i < l; ++i) {
var cur_page = pl[i];
var cur_page_ele = cur_page.page;
var page_min_y = cur_page_ele.offsetTop + cur_page_ele.clientTop;
var page_height = cur_page_ele.clientHeight;
var page_max_y = page_min_y + page_height;
if((page_min_y <= visible_max_y) && (page_max_y >= visible_min_y))
if ((page_min_y <= visible_max_y) && (page_max_y >= visible_min_y))
{
// cur_page is 'nearly' visible, show it or load it
if (cur_page.loaded) {
@ -459,7 +459,7 @@ Viewer.prototype = {
this.load_page(i);
}
if(!cur_page_fully_visible) {
if (!cur_page_fully_visible) {
// check the visible fraction of the page
var page_visible_ratio = (Math.min(container_max_y, page_max_y) - Math.max(container_min_y, page_min_y)) / page_height;
if ((i == cur_page_idx) && (Math.abs(page_visible_ratio - 1.0) <= EPS)) {
@ -477,7 +477,7 @@ Viewer.prototype = {
* update current page number to the maximum visible page
* do not update it when current page is still fully visible
*/
if(!cur_page_fully_visible)
if (!cur_page_fully_visible)
this.cur_page_idx = max_visible_page_idx;
},
@ -485,8 +485,8 @@ Viewer.prototype = {
* @param{boolean} renew renew the existing schedule instead of using the old one
*/
schedule_render : function(renew) {
if(this.render_timer !== undefined) {
if(!renew) return;
if (this.render_timer !== undefined) {
if (!renew) return;
clearTimeout(this.render_timer);
}
@ -535,7 +535,7 @@ Viewer.prototype = {
case 61: // FF/Mac '='
case 107: // FF '+' and '='
case 187: // Chrome '+'
if(with_ctrl){
if (with_ctrl){
_.rescale(1.0 / _.config['scale_step'], true);
handled = true;
}
@ -543,13 +543,13 @@ Viewer.prototype = {
case 173: // FF/Mac '-'
case 109: // FF '-'
case 189: // Chrome '-'
if(with_ctrl){
if (with_ctrl){
_.rescale(_.config['scale_step'], true);
handled = true;
}
break;
case 48: // '0'
if(with_ctrl){
if (with_ctrl){
_.rescale(0, false);
handled = true;
}
@ -579,7 +579,7 @@ Viewer.prototype = {
handled = true;
break;
}
if(handled) {
if (handled) {
e.preventDefault();
return;
}
@ -597,13 +597,12 @@ Viewer.prototype = {
*/
rescale : function (ratio, is_relative, offsetX, offsetY) {
var old_scale = this.scale;
var new_scale = 1.0;
var new_scale = old_scale;
// set new scale
if (ratio == 0) {
new_scale = 1;
is_relative = false;
}
else if (is_relative)
} else if (is_relative)
new_scale *= ratio;
else
new_scale = ratio;
@ -617,14 +616,14 @@ Viewer.prototype = {
// Save offset of the active page
var active_page = this.pages[this.cur_page_idx];
if(!active_page) return;
if (!active_page) return;
var active_page_ele = active_page.p;
var active_page_ele = active_page.page;
var prev_offset = [ active_page_ele.offsetLeft, active_page_ele.offsetTop ];
// Rescale pages
var pl = this.pages;
for(var i = 0, l = pl.length; i < l; ++i)
for (var i = 0, l = pl.length; i < l; ++i)
pl[i].rescale(new_scale);
var container = this.container;
@ -661,7 +660,7 @@ Viewer.prototype = {
get_containing_page : function(ele) {
/* get the page obj containing obj */
while(ele) {
if((ele.nodeType == Node.ELEMENT_NODE)
if ((ele.nodeType == Node.ELEMENT_NODE)
&& ele.classList.contains(CSS_CLASS_NAMES.page_frame)) {
/*
* Get original page number and map it to index of pages
@ -686,7 +685,7 @@ Viewer.prototype = {
// cur_page might be undefined, e.g. from Outline
var cur_page = this.get_containing_page(target);
if(cur_page)
if (cur_page)
{
cur_pos = cur_page.view_position();
//get the coordinates in default user system
@ -694,14 +693,14 @@ Viewer.prototype = {
}
var detail_str = /** @type{string} */ (target.getAttribute('data-dest-detail'));
if(!detail_str) return;
if (!detail_str) return;
var ok = false;
var detail = JSON.parse(detail_str);
var target_page_no = detail[0];
var page_map = this.page_map;
if(!(target_page_no in page_map)) return;
if (!(target_page_no in page_map)) return;
var target_page_idx = page_map[target_page_no];
var target_page = this.pages[target_page_idx];
@ -715,7 +714,7 @@ Viewer.prototype = {
pos = [(detail[2] == null) ? cur_pos[0] : detail[2]
,(detail[3] == null) ? cur_pos[1] : detail[3]];
zoom = detail[4];
if((zoom == null) || (zoom == 0))
if ((zoom == null) || (zoom == 0))
zoom = this.scale;
ok = true;
break;
@ -745,7 +744,7 @@ Viewer.prototype = {
break;
}
if(ok) {
if (ok) {
this.rescale(zoom, false);
var _ = this;
@ -755,7 +754,7 @@ Viewer.prototype = {
*/
var transform_and_scroll = function(page) {
pos = transform(page.ctm, pos);
if(upside_down) {
if (upside_down) {
pos[1] = page.original_height - pos[1];
}
_.scroll_to(target_page_idx, pos);
@ -782,11 +781,11 @@ Viewer.prototype = {
*/
scroll_to : function(page_idx, pos) {
var pl = this.pages;
if((page_idx < 0) || (page_idx >= pl.length)) return;
if ((page_idx < 0) || (page_idx >= pl.length)) return;
var target_page = pl[page_idx];
var cur_target_pos = target_page.view_position();
if(pos === undefined)
if (pos === undefined)
pos = [0,0];
var container = this.container;