mirror of
https://github.com/pdf2htmlEX/pdf2htmlEX.git
synced 2024-10-05 19:41:40 +00:00
Corrections as per Wang Lu's suggestions
This commit is contained in:
parent
f8404691ed
commit
ea226cf302
@ -138,6 +138,10 @@ Whether to show outline in the generated HTML
|
|||||||
.B \-\-process-annotation <0|1> (Default: 0)
|
.B \-\-process-annotation <0|1> (Default: 0)
|
||||||
Whether to show annotation in the generated HTML
|
Whether to show annotation in the generated HTML
|
||||||
|
|
||||||
|
.TP
|
||||||
|
.B \-\-process-forms <0|1> (Default: 0)
|
||||||
|
Whether to include text fields and radio buttons in the generated HTML
|
||||||
|
|
||||||
.TP
|
.TP
|
||||||
.B \-\-printing <0|1> (Default: 1)
|
.B \-\-printing <0|1> (Default: 1)
|
||||||
Enable printing support. Disabling this option may reduce the size of CSS.
|
Enable printing support. Disabling this option may reduce the size of CSS.
|
||||||
|
@ -190,4 +190,13 @@
|
|||||||
-ms-transform-origin:0% 100%;
|
-ms-transform-origin:0% 100%;
|
||||||
-webkit-transform-origin:0% 100%;
|
-webkit-transform-origin:0% 100%;
|
||||||
}
|
}
|
||||||
|
/* for the forms */
|
||||||
|
.@CSS_INPUT_TEXT_CN@ {
|
||||||
|
border: none;
|
||||||
|
background-color: rgba(255, 255, 255, 0.0);
|
||||||
|
}
|
||||||
|
|
||||||
|
.@CSS_INPUT_RADIO_CN@:hover {
|
||||||
|
cursor: pointer;
|
||||||
|
}
|
||||||
/* Base CSS END */
|
/* Base CSS END */
|
||||||
|
@ -260,7 +260,24 @@ Viewer.prototype = {
|
|||||||
this.pre_hide_pages();
|
this.pre_hide_pages();
|
||||||
},
|
},
|
||||||
|
|
||||||
|
initialize_radio_button : function() {
|
||||||
|
var elements = document.getElementsByClassName('ir');
|
||||||
|
|
||||||
|
for(var i = 0; i < elements.length; i++) {
|
||||||
|
var r = elements[i];
|
||||||
|
|
||||||
|
r.addEventListener('click', function() {
|
||||||
|
if(this.style.opacity == 1)
|
||||||
|
this.style.opacity = 0;
|
||||||
|
else
|
||||||
|
this.style.opacity = 1;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
init_after_loading_content : function() {
|
init_after_loading_content : function() {
|
||||||
|
this.initialize_radio_button();
|
||||||
|
|
||||||
this.sidebar = document.getElementById(this.config['sidebar_id']);
|
this.sidebar = document.getElementById(this.config['sidebar_id']);
|
||||||
this.outline = document.getElementById(this.config['outline_id']);
|
this.outline = document.getElementById(this.config['outline_id']);
|
||||||
this.container = document.getElementById(this.config['container_id']);
|
this.container = document.getElementById(this.config['container_id']);
|
||||||
|
934
share/pdf2htmlEX.min.js
vendored
Normal file
934
share/pdf2htmlEX.min.js
vendored
Normal file
@ -0,0 +1,934 @@
|
|||||||
|
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab filetype=javascript : */
|
||||||
|
/**
|
||||||
|
* @license pdf2htmlEX.js: Core UI functions for pdf2htmlEX
|
||||||
|
* Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> and other contributors
|
||||||
|
* https://github.com/coolwanglu/pdf2htmlEX/blob/master/share/LICENSE
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Attention:
|
||||||
|
* This files is to be optimized by closure-compiler,
|
||||||
|
* so pay attention to the forms of property names:
|
||||||
|
*
|
||||||
|
* string/bracket form is safe, won't be optimized:
|
||||||
|
* var obj={ 'a':'b' }; obj['a'] = 'b';
|
||||||
|
* name/dot form will be optimized, the name is likely to be modified:
|
||||||
|
* var obj={ a:'b' }; obj.a = 'b';
|
||||||
|
*
|
||||||
|
* Either form can be used for internal objects,
|
||||||
|
* but must be consistent for each one respectively.
|
||||||
|
*
|
||||||
|
* string/bracket form must be used for external objects
|
||||||
|
* e.g. DEFAULT_CONFIG, object stored in page-data
|
||||||
|
* property names are part of the `protocol` in these cases.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
'use strict';
|
||||||
|
|
||||||
|
var pdf2htmlEX = window['pdf2htmlEX'] = window['pdf2htmlEX'] || {};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @const
|
||||||
|
* @struct
|
||||||
|
*/
|
||||||
|
var CSS_CLASS_NAMES = {
|
||||||
|
page_frame : 'pf',
|
||||||
|
page_content_box : 'pc',
|
||||||
|
page_data : 'pi',
|
||||||
|
background_image : 'bi',
|
||||||
|
link : 'l',
|
||||||
|
__dummy__ : 'no comma'
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* configurations of Viewer
|
||||||
|
* @const
|
||||||
|
* @dict
|
||||||
|
*/
|
||||||
|
var DEFAULT_CONFIG = {
|
||||||
|
// id of the element to put the pages in
|
||||||
|
'container_id' : 'page-container',
|
||||||
|
// id of the element for sidebar (to open and close)
|
||||||
|
'sidebar_id' : 'sidebar',
|
||||||
|
// id of the element for outline
|
||||||
|
'outline_id' : 'outline',
|
||||||
|
// class for the loading indicator
|
||||||
|
'loading_indicator_cls' : 'loading-indicator',
|
||||||
|
// How many page shall we preload that are below the last visible page
|
||||||
|
'preload_pages' : 3,
|
||||||
|
// how many ms should we wait before actually rendering the pages and after a scroll event
|
||||||
|
'render_timeout' : 100,
|
||||||
|
// zoom ratio step for each zoom in/out event
|
||||||
|
'scale_step' : 0.9,
|
||||||
|
// register global key handler
|
||||||
|
'key_handler' : true,
|
||||||
|
// register hashchange handler
|
||||||
|
'hashchange_handler' : true,
|
||||||
|
|
||||||
|
'__dummy__' : 'no comma'
|
||||||
|
};
|
||||||
|
|
||||||
|
/** @const */
|
||||||
|
var EPS = 1e-6;
|
||||||
|
|
||||||
|
/************************************/
|
||||||
|
/* utility function */
|
||||||
|
/**
|
||||||
|
* @param{Array.<number>} ctm
|
||||||
|
*/
|
||||||
|
function invert(ctm) {
|
||||||
|
var det = ctm[0] * ctm[3] - ctm[1] * ctm[2];
|
||||||
|
return [ ctm[3] / det
|
||||||
|
,-ctm[1] / det
|
||||||
|
,-ctm[2] / det
|
||||||
|
,ctm[0] / det
|
||||||
|
,(ctm[2] * ctm[5] - ctm[3] * ctm[4]) / det
|
||||||
|
,(ctm[1] * ctm[4] - ctm[0] * ctm[5]) / det
|
||||||
|
];
|
||||||
|
};
|
||||||
|
/**
|
||||||
|
* @param{Array.<number>} ctm
|
||||||
|
* @param{Array.<number>} pos
|
||||||
|
*/
|
||||||
|
function transform(ctm, pos) {
|
||||||
|
return [ctm[0] * pos[0] + ctm[2] * pos[1] + ctm[4]
|
||||||
|
,ctm[1] * pos[0] + ctm[3] * pos[1] + ctm[5]];
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{Element} ele
|
||||||
|
*/
|
||||||
|
function get_page_number(ele) {
|
||||||
|
return parseInt(ele.getAttribute('data-page-no'), 16);
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{NodeList} eles
|
||||||
|
*/
|
||||||
|
function disable_dragstart(eles) {
|
||||||
|
for (var i = 0, l = eles.length; i < l; ++i) {
|
||||||
|
eles[i].addEventListener('dragstart', function() {
|
||||||
|
return false;
|
||||||
|
}, false);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{...Object} var_args
|
||||||
|
*/
|
||||||
|
function clone_and_extend_objs(var_args) {
|
||||||
|
var result_obj = {};
|
||||||
|
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)) {
|
||||||
|
result_obj[k] = cur_obj[k];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return result_obj;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @constructor
|
||||||
|
* @param{Element} page The element for the page
|
||||||
|
*/
|
||||||
|
function Page(page) {
|
||||||
|
if (!page) return;
|
||||||
|
|
||||||
|
this.loaded = false;
|
||||||
|
this.shown = false;
|
||||||
|
this.page = page; // page frame element
|
||||||
|
|
||||||
|
this.num = get_page_number(page);
|
||||||
|
|
||||||
|
// page size
|
||||||
|
// Need to make rescale work when page_content_box is not loaded, yet
|
||||||
|
this.original_height = page.clientHeight;
|
||||||
|
this.original_width = page.clientWidth;
|
||||||
|
|
||||||
|
// content box
|
||||||
|
var content_box = page.getElementsByClassName(CSS_CLASS_NAMES.page_content_box)[0];
|
||||||
|
|
||||||
|
// if page is loaded
|
||||||
|
if (content_box) {
|
||||||
|
this.content_box = content_box;
|
||||||
|
/*
|
||||||
|
* scale ratios
|
||||||
|
*
|
||||||
|
* original_scale : the first one
|
||||||
|
* cur_scale : currently using
|
||||||
|
*/
|
||||||
|
this.original_scale = this.cur_scale = this.original_height / content_box.clientHeight;
|
||||||
|
this.page_data = JSON.parse(page.getElementsByClassName(CSS_CLASS_NAMES.page_data)[0].getAttribute('data-data'));
|
||||||
|
|
||||||
|
this.ctm = this.page_data['ctm'];
|
||||||
|
this.ictm = invert(this.ctm);
|
||||||
|
|
||||||
|
this.loaded = true;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
Page.prototype = {
|
||||||
|
/* hide & show are for contents, the page frame is still there */
|
||||||
|
hide : function(){
|
||||||
|
if (this.loaded && this.shown) {
|
||||||
|
this.content_box.classList.remove('opened');
|
||||||
|
this.shown = false;
|
||||||
|
}
|
||||||
|
},
|
||||||
|
show : function(){
|
||||||
|
if (this.loaded && !this.shown) {
|
||||||
|
this.content_box.classList.add('opened');
|
||||||
|
this.shown = true;
|
||||||
|
}
|
||||||
|
},
|
||||||
|
/**
|
||||||
|
* @param{number} ratio
|
||||||
|
*/
|
||||||
|
rescale : function(ratio) {
|
||||||
|
if (ratio === 0) {
|
||||||
|
// reset scale
|
||||||
|
this.cur_scale = this.original_scale;
|
||||||
|
} else {
|
||||||
|
this.cur_scale = ratio;
|
||||||
|
}
|
||||||
|
|
||||||
|
// 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)+')';
|
||||||
|
}
|
||||||
|
|
||||||
|
// stretch the page frame to hold the place
|
||||||
|
{
|
||||||
|
var ps = this.page.style;
|
||||||
|
ps.height = (this.original_height * this.cur_scale) + 'px';
|
||||||
|
ps.width = (this.original_width * this.cur_scale) + 'px';
|
||||||
|
}
|
||||||
|
},
|
||||||
|
/*
|
||||||
|
* return the coordinate of the top-left corner of container
|
||||||
|
* in our coordinate system
|
||||||
|
* assuming that p.parentNode === p.offsetParent
|
||||||
|
*/
|
||||||
|
view_position : function () {
|
||||||
|
var p = this.page;
|
||||||
|
var c = p.parentNode;
|
||||||
|
return [c.scrollLeft - p.offsetLeft - p.clientLeft
|
||||||
|
,c.scrollTop - p.offsetTop - p.clientTop];
|
||||||
|
},
|
||||||
|
height : function () {
|
||||||
|
return this.page.clientHeight;
|
||||||
|
},
|
||||||
|
width : function () {
|
||||||
|
return this.page.clientWidth;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @constructor
|
||||||
|
* @param{Object=} config
|
||||||
|
*/
|
||||||
|
function Viewer(config) {
|
||||||
|
this.config = clone_and_extend_objs(DEFAULT_CONFIG, (arguments.length > 0 ? config : {}));
|
||||||
|
this.pages_loading = [];
|
||||||
|
this.init_before_loading_content();
|
||||||
|
|
||||||
|
var self = this;
|
||||||
|
document.addEventListener('DOMContentLoaded', function(){
|
||||||
|
self.init_after_loading_content();
|
||||||
|
}, false);
|
||||||
|
};
|
||||||
|
|
||||||
|
Viewer.prototype = {
|
||||||
|
scale : 1,
|
||||||
|
/*
|
||||||
|
* index of the active page (the one with largest visible area)
|
||||||
|
* which estimates the page currently being viewed
|
||||||
|
*/
|
||||||
|
cur_page_idx : 0,
|
||||||
|
|
||||||
|
/*
|
||||||
|
* index of the first visible page
|
||||||
|
* used when determining current view
|
||||||
|
*/
|
||||||
|
first_page_idx : 0,
|
||||||
|
|
||||||
|
init_before_loading_content : function() {
|
||||||
|
/* hide all pages before loading, will reveal only visible ones later */
|
||||||
|
this.pre_hide_pages();
|
||||||
|
},
|
||||||
|
|
||||||
|
initialize_radio_button : function() {
|
||||||
|
var elements = document.getElementsByClassName('ir');
|
||||||
|
|
||||||
|
for(var i = 0; i < elements.length; i++) {
|
||||||
|
var r = elements[i];
|
||||||
|
|
||||||
|
r.addEventListener('click', function() {
|
||||||
|
if(this.style.opacity == 1)
|
||||||
|
this.style.opacity = 0;
|
||||||
|
else
|
||||||
|
this.style.opacity = 1;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
init_after_loading_content : function() {
|
||||||
|
this.initialize_radio_button();
|
||||||
|
|
||||||
|
this.sidebar = document.getElementById(this.config['sidebar_id']);
|
||||||
|
this.outline = document.getElementById(this.config['outline_id']);
|
||||||
|
this.container = document.getElementById(this.config['container_id']);
|
||||||
|
this.loading_indicator = document.getElementsByClassName(this.config['loading_indicator_cls'])[0];
|
||||||
|
|
||||||
|
|
||||||
|
{
|
||||||
|
// Open the outline if nonempty
|
||||||
|
var empty = true;
|
||||||
|
var nodes = this.outline.childNodes;
|
||||||
|
for (var i = 0, l = nodes.length; i < l; ++i) {
|
||||||
|
var cur_node = nodes[i];
|
||||||
|
if (cur_node.nodeName.toLowerCase() === 'ul') {
|
||||||
|
empty = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (!empty)
|
||||||
|
this.sidebar.classList.add('opened');
|
||||||
|
}
|
||||||
|
|
||||||
|
this.find_pages();
|
||||||
|
// do nothing if there's nothing
|
||||||
|
if(this.pages.length == 0) return;
|
||||||
|
|
||||||
|
// disable dragging of background images
|
||||||
|
disable_dragstart(document.getElementsByClassName(CSS_CLASS_NAMES.background_image));
|
||||||
|
|
||||||
|
if (this.config['key_handler'])
|
||||||
|
this.register_key_handler();
|
||||||
|
|
||||||
|
var self = this;
|
||||||
|
|
||||||
|
if (this.config['hashchange_handler']) {
|
||||||
|
window.addEventListener('hashchange', function(e) {
|
||||||
|
self.navigate_to_dest(document.location.hash.substring(1));
|
||||||
|
}, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
// register schedule rendering
|
||||||
|
// renew old schedules since scroll() may be called frequently
|
||||||
|
this.container.addEventListener('scroll', function() {
|
||||||
|
self.update_page_idx();
|
||||||
|
self.schedule_render(true);
|
||||||
|
}, false);
|
||||||
|
|
||||||
|
// handle links
|
||||||
|
[this.container, this.outline].forEach(function(ele) {
|
||||||
|
ele.addEventListener('click', self.link_handler.bind(self), false);
|
||||||
|
});
|
||||||
|
|
||||||
|
this.render();
|
||||||
|
},
|
||||||
|
|
||||||
|
/*
|
||||||
|
* set up this.pages and this.page_map
|
||||||
|
* pages is an array holding all the Page objects
|
||||||
|
* page-Map maps an original page number (in PDF) to the corresponding index in page
|
||||||
|
*/
|
||||||
|
find_pages : function() {
|
||||||
|
var new_pages = [];
|
||||||
|
var new_page_map = {};
|
||||||
|
var nodes = this.container.childNodes;
|
||||||
|
for (var i = 0, l = nodes.length; i < l; ++i) {
|
||||||
|
var cur_node = nodes[i];
|
||||||
|
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);
|
||||||
|
new_page_map[p.num] = new_pages.length - 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
this.pages = new_pages;
|
||||||
|
this.page_map = new_page_map;
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{number} idx
|
||||||
|
* @param{number=} pages_to_preload
|
||||||
|
* @param{function(Page)=} callback
|
||||||
|
*
|
||||||
|
* TODO: remove callback -> promise ?
|
||||||
|
*/
|
||||||
|
load_page : function(idx, pages_to_preload, callback) {
|
||||||
|
var pages = this.pages;
|
||||||
|
if (idx >= pages.length)
|
||||||
|
return; // Page does not exist
|
||||||
|
|
||||||
|
var cur_page = pages[idx];
|
||||||
|
if (cur_page.loaded)
|
||||||
|
return; // Page is loaded
|
||||||
|
|
||||||
|
if (this.pages_loading[idx])
|
||||||
|
return; // Page is already loading
|
||||||
|
|
||||||
|
var cur_page_ele = cur_page.page;
|
||||||
|
var url = cur_page_ele.getAttribute('data-page-url');
|
||||||
|
if (url) {
|
||||||
|
this.pages_loading[idx] = true; // set semaphore
|
||||||
|
|
||||||
|
// add a copy of the loading indicator
|
||||||
|
var new_loading_indicator = this.loading_indicator.cloneNode();
|
||||||
|
new_loading_indicator.classList.add('active');
|
||||||
|
cur_page_ele.appendChild(new_loading_indicator);
|
||||||
|
|
||||||
|
// load data
|
||||||
|
{
|
||||||
|
var self = this;
|
||||||
|
var _idx = idx;
|
||||||
|
var xhr = new XMLHttpRequest();
|
||||||
|
xhr.open('GET', url, true);
|
||||||
|
xhr.onload = function(){
|
||||||
|
if (xhr.status === 200 || xhr.status === 0) {
|
||||||
|
// 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) {
|
||||||
|
var cur_node = nodes[i];
|
||||||
|
if ((cur_node.nodeType === Node.ELEMENT_NODE)
|
||||||
|
&& cur_node.classList.contains(CSS_CLASS_NAMES.page_frame)) {
|
||||||
|
new_page = cur_node;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// replace the old page with loaded data
|
||||||
|
// the loading indicator on this page should also be destroyed
|
||||||
|
var p = self.pages[_idx];
|
||||||
|
self.container.replaceChild(new_page, p.page);
|
||||||
|
p = new Page(new_page);
|
||||||
|
self.pages[_idx] = p;
|
||||||
|
|
||||||
|
p.hide();
|
||||||
|
p.rescale(self.scale);
|
||||||
|
|
||||||
|
// disable background image dragging
|
||||||
|
disable_dragstart(new_page.getElementsByClassName(CSS_CLASS_NAMES.background_image));
|
||||||
|
|
||||||
|
self.schedule_render(false);
|
||||||
|
|
||||||
|
if (callback){ callback(p); }
|
||||||
|
}
|
||||||
|
|
||||||
|
// Reset loading token
|
||||||
|
delete self.pages_loading[_idx];
|
||||||
|
};
|
||||||
|
xhr.send(null);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// Concurrent prefetch of the next pages
|
||||||
|
if (pages_to_preload === undefined)
|
||||||
|
pages_to_preload = this.config['preload_pages'];
|
||||||
|
|
||||||
|
if (--pages_to_preload > 0) {
|
||||||
|
var self = this;
|
||||||
|
setTimeout(function() {
|
||||||
|
self.load_page(idx+1, pages_to_preload);
|
||||||
|
},0);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Hide all pages that have no 'opened' class
|
||||||
|
* The 'opened' class will be added to visible pages by JavaScript
|
||||||
|
* We cannot add this in the default CSS because JavaScript may be disabled
|
||||||
|
*/
|
||||||
|
pre_hide_pages : function() {
|
||||||
|
/* pages might have not been loaded yet, so add a CSS rule */
|
||||||
|
var s = '@media screen{.'+CSS_CLASS_NAMES.page_content_box+'{display:none;}}';
|
||||||
|
var n = document.createElement('style');
|
||||||
|
if (n.styleSheet) {
|
||||||
|
n.styleSheet.cssText = s;
|
||||||
|
} else {
|
||||||
|
n.appendChild(document.createTextNode(s));
|
||||||
|
}
|
||||||
|
document.head.appendChild(n);
|
||||||
|
},
|
||||||
|
|
||||||
|
/*
|
||||||
|
* show visible pages and hide invisible pages
|
||||||
|
*/
|
||||||
|
render : function () {
|
||||||
|
var container = this.container;
|
||||||
|
/*
|
||||||
|
* show the pages that are 'nearly' visible -- it's right above or below the container
|
||||||
|
*
|
||||||
|
* all the y values are in the all-page element's coordinate system
|
||||||
|
*/
|
||||||
|
var container_min_y = container.scrollTop;
|
||||||
|
var container_height = container.clientHeight;
|
||||||
|
var container_max_y = container_min_y + container_height;
|
||||||
|
var visible_min_y = container_min_y - container_height;
|
||||||
|
var visible_max_y = container_max_y + container_height;
|
||||||
|
|
||||||
|
var cur_page_fully_visible = false;
|
||||||
|
var cur_page_idx = this.cur_page_idx;
|
||||||
|
var max_visible_page_idx = cur_page_idx;
|
||||||
|
var max_visible_ratio = 0.0;
|
||||||
|
|
||||||
|
var pl = this.pages;
|
||||||
|
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))
|
||||||
|
{
|
||||||
|
// cur_page is 'nearly' visible, show it or load it
|
||||||
|
if (cur_page.loaded) {
|
||||||
|
cur_page.show();
|
||||||
|
} else {
|
||||||
|
this.load_page(i);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
cur_page.hide();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
/*
|
||||||
|
* update cur_page_idx and first_page_idx
|
||||||
|
* normally called upon scrolling
|
||||||
|
*/
|
||||||
|
update_page_idx: function () {
|
||||||
|
var pages = this.pages;
|
||||||
|
var pages_len = pages.length;
|
||||||
|
// there is no chance that cur_page_idx or first_page_idx is modified
|
||||||
|
if (pages_len < 2) return;
|
||||||
|
|
||||||
|
var container = this.container;
|
||||||
|
var container_min_y = container.scrollTop;
|
||||||
|
var container_max_y = container_min_y + container.clientHeight;
|
||||||
|
|
||||||
|
// binary search for the first page
|
||||||
|
// whose bottom border is below the top border of the container
|
||||||
|
var first_idx = -1;
|
||||||
|
var last_idx = pages_len;
|
||||||
|
var rest_len = last_idx - first_idx;
|
||||||
|
// TODO: use current first_page_idx as a hint?
|
||||||
|
while(rest_len > 1) {
|
||||||
|
var idx = first_idx + Math.floor(rest_len / 2);
|
||||||
|
var cur_page_ele = pages[idx].page;
|
||||||
|
if (cur_page_ele.offsetTop + cur_page_ele.clientTop + cur_page_ele.clientHeight >= container_min_y) {
|
||||||
|
last_idx = idx;
|
||||||
|
} else {
|
||||||
|
first_idx = idx;
|
||||||
|
}
|
||||||
|
rest_len = last_idx - first_idx;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* with malformed settings it is possible that no page is visible, e.g.
|
||||||
|
* - the container is to thin, which lies in the margin between two pages
|
||||||
|
* - all pages are completely above or below the container
|
||||||
|
* but we just assume that they won't happen.
|
||||||
|
*/
|
||||||
|
this.first_page_idx = last_idx;
|
||||||
|
|
||||||
|
// find the page with largest visible area
|
||||||
|
var cur_page_idx = this.cur_page_idx;
|
||||||
|
var max_visible_page_idx = cur_page_idx;
|
||||||
|
var max_visible_ratio = 0.0;
|
||||||
|
|
||||||
|
for(var i = last_idx; i < pages_len; ++i) {
|
||||||
|
var cur_page_ele = pages[i].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 > container_max_y) break;
|
||||||
|
|
||||||
|
// 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;
|
||||||
|
|
||||||
|
// stay with the current page if it is still fully visible
|
||||||
|
if ((i === cur_page_idx) && (Math.abs(page_visible_ratio - 1.0) <= EPS)) {
|
||||||
|
max_visible_page_idx = cur_page_idx;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (page_visible_ratio > max_visible_ratio) {
|
||||||
|
max_visible_ratio = page_visible_ratio;
|
||||||
|
max_visible_page_idx = i;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
this.cur_page_idx = max_visible_page_idx;
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @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;
|
||||||
|
clearTimeout(this.render_timer);
|
||||||
|
}
|
||||||
|
|
||||||
|
var self = this;
|
||||||
|
this.render_timer = setTimeout(function () {
|
||||||
|
/*
|
||||||
|
* render() may trigger load_page(), which may in turn trigger another render()
|
||||||
|
* so delete render_timer first
|
||||||
|
*/
|
||||||
|
delete self.render_timer;
|
||||||
|
self.render();
|
||||||
|
}, this.config['render_timeout']);
|
||||||
|
},
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Handling key events, zooming, scrolling etc.
|
||||||
|
*/
|
||||||
|
register_key_handler: function () {
|
||||||
|
/*
|
||||||
|
* When user try to zoom in/out using ctrl + +/- or mouse wheel
|
||||||
|
* handle this and prevent the default behaviours
|
||||||
|
*
|
||||||
|
* Code credit to PDF.js
|
||||||
|
*/
|
||||||
|
var self = this;
|
||||||
|
|
||||||
|
// Firefox specific event, so that we can prevent browser from zooming
|
||||||
|
window.addEventListener('DOMMouseScroll', function(e) {
|
||||||
|
if (e.ctrlKey) {
|
||||||
|
e.preventDefault();
|
||||||
|
var container = self.container;
|
||||||
|
var rect = container.getBoundingClientRect();
|
||||||
|
var fixed_point = [e.clientX - rect['left'] - container.clientLeft
|
||||||
|
,e.clientY - rect['top'] - container.clientTop];
|
||||||
|
self.rescale(Math.pow(self.config['scale_step'], e.detail), true, fixed_point);
|
||||||
|
}
|
||||||
|
}, false);
|
||||||
|
|
||||||
|
window.addEventListener('keydown', function(e) {
|
||||||
|
var handled = false;
|
||||||
|
/*
|
||||||
|
var cmd = (e.ctrlKey ? 1 : 0)
|
||||||
|
| (e.altKey ? 2 : 0)
|
||||||
|
| (e.shiftKey ? 4 : 0)
|
||||||
|
| (e.metaKey ? 8 : 0)
|
||||||
|
;
|
||||||
|
*/
|
||||||
|
var with_ctrl = e.ctrlKey || e.metaKey;
|
||||||
|
var with_alt = e.altKey;
|
||||||
|
switch (e.keyCode) {
|
||||||
|
case 61: // FF/Mac '='
|
||||||
|
case 107: // FF '+' and '='
|
||||||
|
case 187: // Chrome '+'
|
||||||
|
if (with_ctrl){
|
||||||
|
self.rescale(1.0 / self.config['scale_step'], true);
|
||||||
|
handled = true;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 173: // FF/Mac '-'
|
||||||
|
case 109: // FF '-'
|
||||||
|
case 189: // Chrome '-'
|
||||||
|
if (with_ctrl){
|
||||||
|
self.rescale(self.config['scale_step'], true);
|
||||||
|
handled = true;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 48: // '0'
|
||||||
|
if (with_ctrl){
|
||||||
|
self.rescale(0, false);
|
||||||
|
handled = true;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 33: // Page UP:
|
||||||
|
if (with_alt) { // alt-pageup -> scroll one page up
|
||||||
|
self.scroll_to(self.cur_page_idx - 1);
|
||||||
|
} else { // pageup -> scroll one screen up
|
||||||
|
self.container.scrollTop -= self.container.clientHeight;
|
||||||
|
}
|
||||||
|
handled = true;
|
||||||
|
break;
|
||||||
|
case 34: // Page DOWN
|
||||||
|
if (with_alt) { // alt-pagedown -> scroll one page down
|
||||||
|
self.scroll_to(self.cur_page_idx + 1);
|
||||||
|
} else { // pagedown -> scroll one screen down
|
||||||
|
self.container.scrollTop += self.container.clientHeight;
|
||||||
|
}
|
||||||
|
handled = true;
|
||||||
|
break;
|
||||||
|
case 35: // End
|
||||||
|
self.container.scrollTop = self.container.scrollHeight;
|
||||||
|
handled = true;
|
||||||
|
break;
|
||||||
|
case 36: // Home
|
||||||
|
self.container.scrollTop = 0;
|
||||||
|
handled = true;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (handled) {
|
||||||
|
e.preventDefault();
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}, false);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{number} ratio
|
||||||
|
* @param{boolean} is_relative
|
||||||
|
* @param{Array.<number>=} fixed_point preserve the position (relative to the top-left corner of the viewer) after rescaling
|
||||||
|
*/
|
||||||
|
rescale : function (ratio, is_relative, fixed_point) {
|
||||||
|
var old_scale = this.scale;
|
||||||
|
var new_scale = old_scale;
|
||||||
|
// set new scale
|
||||||
|
if (ratio === 0) {
|
||||||
|
new_scale = 1;
|
||||||
|
is_relative = false;
|
||||||
|
} else if (is_relative)
|
||||||
|
new_scale *= ratio;
|
||||||
|
else
|
||||||
|
new_scale = ratio;
|
||||||
|
|
||||||
|
this.scale = new_scale;
|
||||||
|
|
||||||
|
if (!fixed_point)
|
||||||
|
fixed_point = [0,0];
|
||||||
|
|
||||||
|
// translate fixed_point to the coordinate system of all pages
|
||||||
|
var container = this.container;
|
||||||
|
fixed_point[0] += container.scrollLeft;
|
||||||
|
fixed_point[1] += container.scrollTop;
|
||||||
|
|
||||||
|
// find the visible page that contains the fixed point
|
||||||
|
// if the fixed point lies between two pages (including their borders), it's contained in the first one
|
||||||
|
var pl = this.pages;
|
||||||
|
var pl_len = pl.length;
|
||||||
|
for (var i = this.first_page_idx; i < pl_len; ++i) {
|
||||||
|
var p = pl[i].page;
|
||||||
|
if (p.offsetTop + p.clientTop >= fixed_point[1])
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
var fixed_point_page_idx = i - 1;
|
||||||
|
|
||||||
|
// determine the new scroll position
|
||||||
|
// each-value consists of two parts, one inside the page, which is affected by rescaling,
|
||||||
|
// the other is outside, (e.g. borders and margins), which is not affected
|
||||||
|
|
||||||
|
// if the fixed_point is above the first page, use the first page as the reference
|
||||||
|
if (fixed_point_page_idx < 0)
|
||||||
|
fixed_point_page_idx = 0;
|
||||||
|
|
||||||
|
var fp_p = pl[fixed_point_page_idx].page;
|
||||||
|
var fp_p_width = fp_p.clientWidth;
|
||||||
|
var fp_p_height = fp_p.clientHeight;
|
||||||
|
|
||||||
|
var fp_x_ref = fp_p.offsetLeft + fp_p.clientLeft;
|
||||||
|
var fp_x_inside = fixed_point[0] - fp_x_ref;
|
||||||
|
if (fp_x_inside < 0)
|
||||||
|
fp_x_inside = 0;
|
||||||
|
else if (fp_x_inside > fp_p_width)
|
||||||
|
fp_x_inside = fp_p_width;
|
||||||
|
|
||||||
|
var fp_y_ref = fp_p.offsetTop + fp_p.clientTop;
|
||||||
|
var fp_y_inside = fixed_point[1] - fp_y_ref;
|
||||||
|
if (fp_y_inside < 0)
|
||||||
|
fp_y_inside = 0;
|
||||||
|
else if (fp_y_inside > fp_p_height)
|
||||||
|
fp_y_inside = fp_p_height;
|
||||||
|
|
||||||
|
// Rescale pages
|
||||||
|
for (var i = 0; i < pl_len; ++i)
|
||||||
|
pl[i].rescale(new_scale);
|
||||||
|
|
||||||
|
// Correct container scroll to keep view aligned while zooming
|
||||||
|
container.scrollLeft += fp_x_inside / old_scale * new_scale + fp_p.offsetLeft + fp_p.clientLeft - fp_x_inside - fp_x_ref;
|
||||||
|
container.scrollTop += fp_y_inside / old_scale * new_scale + fp_p.offsetTop + fp_p.clientTop - fp_y_inside - fp_y_ref;
|
||||||
|
|
||||||
|
// some pages' visibility may be toggled, wait for next render()
|
||||||
|
// renew old schedules since rescale() may be called frequently
|
||||||
|
this.schedule_render(true);
|
||||||
|
},
|
||||||
|
|
||||||
|
fit_width : function () {
|
||||||
|
var page_idx = this.cur_page_idx;
|
||||||
|
this.rescale(this.container.clientWidth / this.pages[page_idx].width(), false);
|
||||||
|
this.scroll_to(page_idx);
|
||||||
|
},
|
||||||
|
|
||||||
|
fit_height : function () {
|
||||||
|
var page_idx = this.cur_page_idx;
|
||||||
|
this.rescale(this.container.clientHeight / this.pages[page_idx].height(), false);
|
||||||
|
this.scroll_to(page_idx);
|
||||||
|
},
|
||||||
|
/**
|
||||||
|
* @param{Node} ele
|
||||||
|
*/
|
||||||
|
get_containing_page : function(ele) {
|
||||||
|
/* get the page obj containing obj */
|
||||||
|
while(ele) {
|
||||||
|
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
|
||||||
|
* TODO: store the index on the dom element
|
||||||
|
*/
|
||||||
|
var pn = get_page_number(/** @type{Element} */(ele));
|
||||||
|
var pm = this.page_map;
|
||||||
|
return (pn in pm) ? this.pages[pm[pn]] : null;
|
||||||
|
}
|
||||||
|
ele = ele.parentNode;
|
||||||
|
}
|
||||||
|
return null;
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{Event} e
|
||||||
|
*/
|
||||||
|
link_handler : function (e) {
|
||||||
|
var target = /** @type{Node} */(e.target);
|
||||||
|
var detail_str = /** @type{string} */ (target.getAttribute('data-dest-detail'));
|
||||||
|
if (!detail_str) return;
|
||||||
|
|
||||||
|
this.navigate_to_dest(detail_str, this.get_containing_page(target));
|
||||||
|
e.preventDefault();
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{string} detail_str may come from user provided hashtag, need sanitzing
|
||||||
|
* @param{Page=} src_page page containing the source event (e.g. link)
|
||||||
|
*/
|
||||||
|
navigate_to_dest : function(detail_str, src_page) {
|
||||||
|
try {
|
||||||
|
var detail = JSON.parse(detail_str);
|
||||||
|
} catch(e) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!(detail instanceof Array)) return;
|
||||||
|
|
||||||
|
var target_page_no = detail[0];
|
||||||
|
var page_map = this.page_map;
|
||||||
|
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];
|
||||||
|
|
||||||
|
for (var i = 2, l = detail.length; i < l; ++i) {
|
||||||
|
var d = detail[i];
|
||||||
|
if(!((d === null) || (typeof d === 'number')))
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
while(detail.length < 6)
|
||||||
|
detail.push(null);
|
||||||
|
|
||||||
|
// cur_page might be undefined, e.g. from Outline
|
||||||
|
var cur_page = src_page || this.pages[this.cur_page_idx];
|
||||||
|
|
||||||
|
var cur_pos = cur_page.view_position();
|
||||||
|
cur_pos = transform(cur_page.ictm, [cur_pos[0], cur_page.height()-cur_pos[1]]);
|
||||||
|
|
||||||
|
var zoom = this.scale;
|
||||||
|
var pos = [0,0];
|
||||||
|
var upside_down = true;
|
||||||
|
var ok = false;
|
||||||
|
|
||||||
|
// position specified in `detail` are in the raw coordinate system of the page (unscaled)
|
||||||
|
var scale = this.scale;
|
||||||
|
// TODO: fitb*
|
||||||
|
// TODO: BBox
|
||||||
|
switch(detail[1]) {
|
||||||
|
case 'XYZ':
|
||||||
|
pos = [ (detail[2] === null) ? cur_pos[0] : detail[2] * scale
|
||||||
|
, (detail[3] === null) ? cur_pos[1] : detail[3] * scale ];
|
||||||
|
zoom = detail[4];
|
||||||
|
if ((zoom === null) || (zoom === 0))
|
||||||
|
zoom = this.scale;
|
||||||
|
ok = true;
|
||||||
|
break;
|
||||||
|
case 'Fit':
|
||||||
|
case 'FitB':
|
||||||
|
pos = [0,0];
|
||||||
|
ok = true;
|
||||||
|
break;
|
||||||
|
case 'FitH':
|
||||||
|
case 'FitBH':
|
||||||
|
pos = [0, (detail[2] === null) ? cur_pos[1] : detail[2] * scale];
|
||||||
|
ok = true;
|
||||||
|
break;
|
||||||
|
case 'FitV':
|
||||||
|
case 'FitBV':
|
||||||
|
pos = [(detail[2] === null) ? cur_pos[0] : detail[2] * scale, 0];
|
||||||
|
ok = true;
|
||||||
|
break;
|
||||||
|
case 'FitR':
|
||||||
|
/* locate the top-left corner of the rectangle */
|
||||||
|
// TODO
|
||||||
|
pos = [detail[2] * scale, detail[5] * scale];
|
||||||
|
upside_down = false;
|
||||||
|
ok = true;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!ok) return;
|
||||||
|
|
||||||
|
this.rescale(zoom, false);
|
||||||
|
|
||||||
|
|
||||||
|
var self = this;
|
||||||
|
/**
|
||||||
|
* page should of type Page
|
||||||
|
* @param{Page} page
|
||||||
|
*/
|
||||||
|
var transform_and_scroll = function(page) {
|
||||||
|
pos = transform(page.ctm, pos);
|
||||||
|
if (upside_down) {
|
||||||
|
pos[1] = page.height() - pos[1];
|
||||||
|
}
|
||||||
|
self.scroll_to(target_page_idx, pos);
|
||||||
|
};
|
||||||
|
|
||||||
|
if (target_page.loaded) {
|
||||||
|
transform_and_scroll(target_page);
|
||||||
|
} else {
|
||||||
|
// TODO: scroll_to may finish before load_page
|
||||||
|
|
||||||
|
// Scroll to the exact position once loaded.
|
||||||
|
this.load_page(target_page_idx, undefined, transform_and_scroll);
|
||||||
|
|
||||||
|
// In the meantime page gets loaded, scroll approximately position for maximum responsiveness.
|
||||||
|
this.scroll_to(target_page_idx);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param{number} page_idx
|
||||||
|
* @param{Array.<number>=} pos [x,y] where (0,0) is the top-left corner
|
||||||
|
*/
|
||||||
|
scroll_to : function(page_idx, pos) {
|
||||||
|
var pl = this.pages;
|
||||||
|
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)
|
||||||
|
pos = [0,0];
|
||||||
|
|
||||||
|
var container = this.container;
|
||||||
|
container.scrollLeft += pos[0] - cur_target_pos[0];
|
||||||
|
container.scrollTop += pos[1] - cur_target_pos[1];
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// export pdf2htmlEX.Viewer
|
||||||
|
pdf2htmlEX['Viewer'] = Viewer;
|
@ -170,7 +170,6 @@ protected:
|
|||||||
void process_outline_items(GooList * items);
|
void process_outline_items(GooList * items);
|
||||||
|
|
||||||
void process_form(std::ostream & out);
|
void process_form(std::ostream & out);
|
||||||
void dump_form_css(std::ostream & out);
|
|
||||||
|
|
||||||
void set_stream_flags (std::ostream & out);
|
void set_stream_flags (std::ostream & out);
|
||||||
|
|
||||||
|
@ -50,7 +50,7 @@ void HTMLRenderer::process_form(ostream & out)
|
|||||||
"px; bottom: " << std::to_string(y1) << "px;" <<
|
"px; bottom: " << std::to_string(y1) << "px;" <<
|
||||||
"width: " << std::to_string(width) << "px; height: " << std::to_string(height) <<
|
"width: " << std::to_string(width) << "px; height: " << std::to_string(height) <<
|
||||||
"px; line-height: " << std::to_string(height) << "px; font-size: "
|
"px; line-height: " << std::to_string(height) << "px; font-size: "
|
||||||
<< std::to_string(font_size) << "px;\" class=\"text_input\" />" << endl;
|
<< std::to_string(font_size) << "px;\" class=\"" << CSS::INPUT_TEXT_CN << "\" />" << endl;
|
||||||
}
|
}
|
||||||
|
|
||||||
if(w->getType() == formButton)
|
if(w->getType() == formButton)
|
||||||
@ -60,42 +60,10 @@ void HTMLRenderer::process_form(ostream & out)
|
|||||||
<< " style=\"opacity:0.0; position: absolute; left: " << std::to_string(x1) <<
|
<< " style=\"opacity:0.0; position: absolute; left: " << std::to_string(x1) <<
|
||||||
"px; bottom: " << std::to_string(y1) << "px;" <<
|
"px; bottom: " << std::to_string(y1) << "px;" <<
|
||||||
"width: " << std::to_string(width) << "px; height: " << std::to_string(height) <<
|
"width: " << std::to_string(width) << "px; height: " << std::to_string(height) <<
|
||||||
"px; font-size: 20px; \" class=\"checkbox checkbox-" <<
|
"px; font-size: 20px; \" class=\"" << CSS::INPUT_RADIO_CN << "\">X</div>" << endl;
|
||||||
std::to_string(pageNum) << "\">X</div>" << endl;
|
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
//output, at the end, the necessary js
|
|
||||||
if(num > 0) {
|
|
||||||
//this is currently page specific
|
|
||||||
out << "<script type=\"text/javascript\">" << endl <<
|
|
||||||
"var checkboxes = document.getElementsByClassName(\"checkbox-" <<
|
|
||||||
std::to_string(pageNum) << "\");" << endl <<
|
|
||||||
"var c = checkboxes.item(0);" << endl <<
|
|
||||||
"console.log(c);" << endl <<
|
|
||||||
"for(var i = 0; i < checkboxes.length; i++) {" << endl <<
|
|
||||||
"var c = checkboxes[i];" << endl <<
|
|
||||||
"c.addEventListener('click', function() {" << endl <<
|
|
||||||
"if(this.style.opacity == 1)" << endl <<
|
|
||||||
"this.style.opacity = 0;" << endl <<
|
|
||||||
"else" << endl <<
|
|
||||||
"this.style.opacity = 1;" << endl <<
|
|
||||||
"});" << endl <<
|
|
||||||
"}" << endl <<
|
|
||||||
"</script>" << endl;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void HTMLRenderer::dump_form_css(ostream & out)
|
|
||||||
{
|
|
||||||
out << ".text_input {" <<
|
|
||||||
"border: none; " <<
|
|
||||||
"background-color: rgba(255, 255, 255, 0.0);" <<
|
|
||||||
"}" << endl <<
|
|
||||||
".checkbox:hover {" <<
|
|
||||||
"cursor: pointer;" <<
|
|
||||||
"}" << endl;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
@ -253,7 +253,7 @@ void HTMLRenderer::endPage() {
|
|||||||
html_text_page.clear();
|
html_text_page.clear();
|
||||||
|
|
||||||
// process form
|
// process form
|
||||||
if(param.include_forms)
|
if(param.process_forms)
|
||||||
process_form(*f_curpage);
|
process_form(*f_curpage);
|
||||||
|
|
||||||
// process links before the page is closed
|
// process links before the page is closed
|
||||||
@ -396,11 +396,6 @@ void HTMLRenderer::post_process(void)
|
|||||||
{
|
{
|
||||||
dump_css();
|
dump_css();
|
||||||
|
|
||||||
if (param.include_forms)
|
|
||||||
{
|
|
||||||
dump_form_css(f_css.fs);
|
|
||||||
}
|
|
||||||
|
|
||||||
// close files if they opened
|
// close files if they opened
|
||||||
// it's better to brace single liner LLVM complains
|
// it's better to brace single liner LLVM complains
|
||||||
if (param.process_outline)
|
if (param.process_outline)
|
||||||
|
@ -38,6 +38,7 @@ struct Param
|
|||||||
int process_nontext;
|
int process_nontext;
|
||||||
int process_outline;
|
int process_outline;
|
||||||
int process_annotation;
|
int process_annotation;
|
||||||
|
int process_forms;
|
||||||
int correct_text_visibility;
|
int correct_text_visibility;
|
||||||
int printing;
|
int printing;
|
||||||
int fallback;
|
int fallback;
|
||||||
@ -62,9 +63,6 @@ struct Param
|
|||||||
int tounicode;
|
int tounicode;
|
||||||
int optimize_text;
|
int optimize_text;
|
||||||
|
|
||||||
// adobe form
|
|
||||||
int include_forms;
|
|
||||||
|
|
||||||
// background image
|
// background image
|
||||||
std::string bg_format;
|
std::string bg_format;
|
||||||
int svg_node_count_limit;
|
int svg_node_count_limit;
|
||||||
|
@ -34,3 +34,5 @@ set(CSS_WIDTH_CN "w") # Width
|
|||||||
set(CSS_BOTTTOM_CN "y") # Y
|
set(CSS_BOTTTOM_CN "y") # Y
|
||||||
set(CSS_CSS_DRAW_CN "d") # Draw
|
set(CSS_CSS_DRAW_CN "d") # Draw
|
||||||
set(CSS_LINK_CN "l") # Link
|
set(CSS_LINK_CN "l") # Link
|
||||||
|
set(CSS_INPUT_TEXT_CN "it") # Text input
|
||||||
|
set(CSS_INPUT_RADIO_CN "ir") # Radio button
|
||||||
|
@ -164,6 +164,7 @@ void parse_options (int argc, char **argv)
|
|||||||
.add("process-nontext", ¶m.process_nontext, 1, "render graphics in addition to text")
|
.add("process-nontext", ¶m.process_nontext, 1, "render graphics in addition to text")
|
||||||
.add("process-outline", ¶m.process_outline, 1, "show outline in HTML")
|
.add("process-outline", ¶m.process_outline, 1, "show outline in HTML")
|
||||||
.add("process-annotation", ¶m.process_annotation, 0, "show annotation in HTML")
|
.add("process-annotation", ¶m.process_annotation, 0, "show annotation in HTML")
|
||||||
|
.add("process-forms", ¶m.process_forms, 0, "include text fields and radio buttons")
|
||||||
.add("printing", ¶m.printing, 1, "enable printing support")
|
.add("printing", ¶m.printing, 1, "enable printing support")
|
||||||
.add("fallback", ¶m.fallback, 0, "output in fallback mode")
|
.add("fallback", ¶m.fallback, 0, "output in fallback mode")
|
||||||
.add("tmp-file-size-limit", ¶m.tmp_file_size_limit, -1, "Maximum size (in KB) used by temporary files, -1 for no limit.")
|
.add("tmp-file-size-limit", ¶m.tmp_file_size_limit, -1, "Maximum size (in KB) used by temporary files, -1 for no limit.")
|
||||||
@ -189,9 +190,6 @@ void parse_options (int argc, char **argv)
|
|||||||
.add("optimize-text", ¶m.optimize_text, 0, "try to reduce the number of HTML elements used for text")
|
.add("optimize-text", ¶m.optimize_text, 0, "try to reduce the number of HTML elements used for text")
|
||||||
.add("correct-text-visibility", ¶m.correct_text_visibility, 0, "try to detect texts covered by other graphics and properly arrange them")
|
.add("correct-text-visibility", ¶m.correct_text_visibility, 0, "try to detect texts covered by other graphics and properly arrange them")
|
||||||
|
|
||||||
// adobe forms
|
|
||||||
.add("include-forms", ¶m.include_forms, 0, "include text fields and such")
|
|
||||||
|
|
||||||
// background image
|
// background image
|
||||||
.add("bg-format", ¶m.bg_format, "png", "specify background image format")
|
.add("bg-format", ¶m.bg_format, "png", "specify background image format")
|
||||||
.add("svg-node-count-limit", ¶m.svg_node_count_limit, -1, "if node count in a svg background image exceeds this limit,"
|
.add("svg-node-count-limit", ¶m.svg_node_count_limit, -1, "if node count in a svg background image exceeds this limit,"
|
||||||
|
@ -56,6 +56,9 @@ const char * const BOTTOM_CN = "@CSS_BOTTTOM_CN@";
|
|||||||
const char * const CSS_DRAW_CN = "@CSS_CSS_DRAW_CN@";
|
const char * const CSS_DRAW_CN = "@CSS_CSS_DRAW_CN@";
|
||||||
const char * const LINK_CN = "@CSS_LINK_CN@";
|
const char * const LINK_CN = "@CSS_LINK_CN@";
|
||||||
|
|
||||||
|
const char * const INPUT_TEXT_CN = "@CSS_INPUT_TEXT_CN@";
|
||||||
|
const char * const INPUT_RADIO_CN = "@CSS_INPUT_RADIO_CN@";
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user