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jspdf.plugin.from_html.js
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jspdf.plugin.from_html.js
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/** @preserve
* jsPDF fromHTML plugin. BETA stage. API subject to change. Needs browser
* Copyright (c) 2012 Willow Systems Corporation, willow-systems.com
* 2014 Juan Pablo Gaviria, https://github.com/juanpgaviria
* 2014 Diego Casorran, https://github.com/diegocr
* 2014 Daniel Husar, https://github.com/danielhusar
* 2014 Wolfgang Gassler, https://github.com/woolfg
* 2014 Steven Spungin, https://github.com/flamenco
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* ====================================================================
*/
(function (jsPDFAPI) {
var clone,
DrillForContent,
FontNameDB,
FontStyleMap,
FontWeightMap,
FloatMap,
ClearMap,
GetCSS,
PurgeWhiteSpace,
Renderer,
ResolveFont,
ResolveUnitedNumber,
UnitedNumberMap,
elementHandledElsewhere,
images,
loadImgs,
checkForFooter,
process,
tableToJson;
clone = (function () {
return function (obj) {
Clone.prototype = obj;
return new Clone()
};
function Clone() {}
})();
PurgeWhiteSpace = function (array) {
var fragment,
i,
l,
lTrimmed,
r,
rTrimmed,
trailingSpace;
i = 0;
l = array.length;
fragment = void 0;
lTrimmed = false;
rTrimmed = false;
while (!lTrimmed && i !== l) {
fragment = array[i] = array[i].trimLeft();
if (fragment) {
lTrimmed = true;
}
i++;
}
i = l - 1;
while (l && !rTrimmed && i !== -1) {
fragment = array[i] = array[i].trimRight();
if (fragment) {
rTrimmed = true;
}
i--;
}
r = /\s+$/g;
trailingSpace = true;
i = 0;
while (i !== l) {
fragment = array[i].replace(/\s+/g, " ");
if (trailingSpace) {
fragment = fragment.trimLeft();
}
if (fragment) {
trailingSpace = r.test(fragment);
}
array[i] = fragment;
i++;
}
return array;
};
Renderer = function (pdf, x, y, settings) {
this.pdf = pdf;
this.x = x;
this.y = y;
this.settings = settings;
//list of functions which are called after each element-rendering process
this.watchFunctions = [];
this.init();
return this;
};
ResolveFont = function (css_font_family_string) {
var name,
part,
parts;
name = void 0;
parts = css_font_family_string.split(",");
part = parts.shift();
while (!name && part) {
name = FontNameDB[part.trim().toLowerCase()];
part = parts.shift();
}
return name;
};
ResolveUnitedNumber = function (css_line_height_string) {
//IE8 issues
css_line_height_string = css_line_height_string === "auto" ? "0px" : css_line_height_string;
if (css_line_height_string.indexOf("em") > -1 && !isNaN(Number(css_line_height_string.replace("em", "")))) {
css_line_height_string = Number(css_line_height_string.replace("em", "")) * 18.719 + "px";
}
if (css_line_height_string.indexOf("pt") > -1 && !isNaN(Number(css_line_height_string.replace("pt", "")))) {
css_line_height_string = Number(css_line_height_string.replace("pt", "")) * 1.333 + "px";
}
var normal,
undef,
value;
undef = void 0;
normal = 16.00;
value = UnitedNumberMap[css_line_height_string];
if (value) {
return value;
}
value = {
"xx-small" : 9,
"x-small" : 11,
small : 13,
medium : 16,
large : 19,
"x-large" : 23,
"xx-large" : 28,
auto : 0
}[{ css_line_height_string : css_line_height_string }];
if (value !== undef) {
return UnitedNumberMap[css_line_height_string] = value / normal;
}
if (value = parseFloat(css_line_height_string)) {
return UnitedNumberMap[css_line_height_string] = value / normal;
}
value = css_line_height_string.match(/([\d\.]+)(px)/);
if (value.length === 3) {
return UnitedNumberMap[css_line_height_string] = parseFloat(value[1]) / normal;
}
return UnitedNumberMap[css_line_height_string] = 1;
};
GetCSS = function (element) {
var css,tmp,computedCSSElement;
computedCSSElement = (function (el) {
var compCSS;
compCSS = (function (el) {
if (document.defaultView && document.defaultView.getComputedStyle) {
return document.defaultView.getComputedStyle(el, null);
} else if (el.currentStyle) {
return el.currentStyle;
} else {
return el.style;
}
})(el);
return function (prop) {
prop = prop.replace(/-\D/g, function (match) {
return match.charAt(1).toUpperCase();
});
return compCSS[prop];
};
})(element);
css = {};
tmp = void 0;
css["font-family"] = ResolveFont(computedCSSElement("font-family")) || "times";
css["font-style"] = FontStyleMap[computedCSSElement("font-style")] || "normal";
css["text-align"] = TextAlignMap[computedCSSElement("text-align")] || "left";
tmp = FontWeightMap[computedCSSElement("font-weight")] || "normal";
if (tmp === "bold") {
if (css["font-style"] === "normal") {
css["font-style"] = tmp;
} else {
css["font-style"] = tmp + css["font-style"];
}
}
css["font-size"] = ResolveUnitedNumber(computedCSSElement("font-size")) || 1;
css["line-height"] = ResolveUnitedNumber(computedCSSElement("line-height")) || 1;
css["display"] = (computedCSSElement("display") === "inline" ? "inline" : "block");
tmp = (css["display"] === "block");
css["margin-top"] = tmp && ResolveUnitedNumber(computedCSSElement("margin-top")) || 0;
css["margin-bottom"] = tmp && ResolveUnitedNumber(computedCSSElement("margin-bottom")) || 0;
css["padding-top"] = tmp && ResolveUnitedNumber(computedCSSElement("padding-top")) || 0;
css["padding-bottom"] = tmp && ResolveUnitedNumber(computedCSSElement("padding-bottom")) || 0;
css["margin-left"] = tmp && ResolveUnitedNumber(computedCSSElement("margin-left")) || 0;
css["margin-right"] = tmp && ResolveUnitedNumber(computedCSSElement("margin-right")) || 0;
css["padding-left"] = tmp && ResolveUnitedNumber(computedCSSElement("padding-left")) || 0;
css["padding-right"] = tmp && ResolveUnitedNumber(computedCSSElement("padding-right")) || 0;
css["page-break-before"] = computedCSSElement("page-break-before") || "auto";
//float and clearing of floats
css["float"] = FloatMap[computedCSSElement("cssFloat")] || "none";
css["clear"] = ClearMap[computedCSSElement("clear")] || "none";
css["color"] = computedCSSElement("color");
return css;
};
elementHandledElsewhere = function (element, renderer, elementHandlers) {
var handlers,
i,
isHandledElsewhere,
l,
t;
isHandledElsewhere = false;
i = void 0;
l = void 0;
t = void 0;
handlers = elementHandlers["#" + element.id];
if (handlers) {
if (typeof handlers === "function") {
isHandledElsewhere = handlers(element, renderer);
} else {
i = 0;
l = handlers.length;
while (!isHandledElsewhere && i !== l) {
isHandledElsewhere = handlers[i](element, renderer);
i++;
}
}
}
handlers = elementHandlers[element.nodeName];
if (!isHandledElsewhere && handlers) {
if (typeof handlers === "function") {
isHandledElsewhere = handlers(element, renderer);
} else {
i = 0;
l = handlers.length;
while (!isHandledElsewhere && i !== l) {
isHandledElsewhere = handlers[i](element, renderer);
i++;
}
}
}
return isHandledElsewhere;
};
tableToJson = function (table, renderer) {
var data,
headers,
i,
j,
rowData,
tableRow,
table_obj,
table_with,
cell,
l;
data = [];
headers = [];
i = 0;
l = table.rows[0].cells.length;
table_with = table.clientWidth;
while (i < l) {
cell = table.rows[0].cells[i];
headers[i] = {
name : cell.textContent.toLowerCase().replace(/\s+/g, ''),
prompt : cell.textContent.replace(/\r?\n/g, ''),
width : (cell.clientWidth / table_with) * renderer.pdf.internal.pageSize.width
};
i++;
}
i = 1;
while (i < table.rows.length) {
tableRow = table.rows[i];
rowData = {};
j = 0;
while (j < tableRow.cells.length) {
rowData[headers[j].name] = tableRow.cells[j].textContent.replace(/\r?\n/g, '');
j++;
}
data.push(rowData);
i++;
}
return table_obj = {
rows : data,
headers : headers
};
};
var SkipNode = {
SCRIPT : 1,
STYLE : 1,
NOSCRIPT : 1,
OBJECT : 1,
EMBED : 1,
SELECT : 1
};
var listCount = 1;
DrillForContent = function (element, renderer, elementHandlers) {
var cn,
cns,
fragmentCSS,
i,
isBlock,
l,
px2pt,
table2json,
cb;
cns = element.childNodes;
cn = void 0;
fragmentCSS = GetCSS(element);
isBlock = fragmentCSS.display === "block";
if (isBlock) {
renderer.setBlockBoundary();
renderer.setBlockStyle(fragmentCSS);
}
px2pt = 0.264583 * 72 / 25.4;
i = 0;
l = cns.length;
while (i < l) {
cn = cns[i];
if (typeof cn === "object") {
//execute all watcher functions to e.g. reset floating
renderer.executeWatchFunctions(cn);
/*** HEADER rendering **/
if (cn.nodeType === 1 && cn.nodeName === 'HEADER') {
var header = cn;
//store old top margin
var oldMarginTop = renderer.pdf.margins_doc.top;
//subscribe for new page event and render header first on every page
renderer.pdf.internal.events.subscribe('addPage', function (pageInfo) {
//set current y position to old margin
renderer.y = oldMarginTop;
//render all child nodes of the header element
DrillForContent(header, renderer, elementHandlers);
//set margin to old margin + rendered header + 10 space to prevent overlapping
//important for other plugins (e.g. table) to start rendering at correct position after header
renderer.pdf.margins_doc.top = renderer.y + 10;
renderer.y += 10;
}, false);
}
if (cn.nodeType === 8 && cn.nodeName === "#comment") {
if (~cn.textContent.indexOf("ADD_PAGE")) {
renderer.pdf.addPage();
renderer.y = renderer.pdf.margins_doc.top;
}
} else if (cn.nodeType === 1 && !SkipNode[cn.nodeName]) {
/*** IMAGE RENDERING ***/
var cached_image;
if (cn.nodeName === "IMG") {
var url = cn.getAttribute("src");
cached_image = images[renderer.pdf.sHashCode(url) || url];
}
if (cached_image) {
if ((renderer.pdf.internal.pageSize.height - renderer.pdf.margins_doc.bottom < renderer.y + cn.height) && (renderer.y > renderer.pdf.margins_doc.top)) {
renderer.pdf.addPage();
renderer.y = renderer.pdf.margins_doc.top;
//check if we have to set back some values due to e.g. header rendering for new page
renderer.executeWatchFunctions(cn);
}
var imagesCSS = GetCSS(cn);
var imageX = renderer.x;
var fontToUnitRatio = 12 / renderer.pdf.internal.scaleFactor;
//define additional paddings, margins which have to be taken into account for margin calculations
var additionalSpaceLeft = (imagesCSS["margin-left"] + imagesCSS["padding-left"])*fontToUnitRatio;
var additionalSpaceRight = (imagesCSS["margin-right"] + imagesCSS["padding-right"])*fontToUnitRatio;
var additionalSpaceTop = (imagesCSS["margin-top"] + imagesCSS["padding-top"])*fontToUnitRatio;
var additionalSpaceBottom = (imagesCSS["margin-bottom"] + imagesCSS["padding-bottom"])*fontToUnitRatio;
//if float is set to right, move the image to the right border
//add space if margin is set
if (imagesCSS['float'] !== undefined && imagesCSS['float'] === 'right') {
imageX += renderer.settings.width - cn.width - additionalSpaceRight;
} else {
imageX += additionalSpaceLeft;
}
renderer.pdf.addImage(cached_image, imageX, renderer.y + additionalSpaceTop, cn.width, cn.height);
cached_image = undefined;
//if the float prop is specified we have to float the text around the image
if (imagesCSS['float'] === 'right' || imagesCSS['float'] === 'left') {
//add functiont to set back coordinates after image rendering
renderer.watchFunctions.push((function(diffX , thresholdY, diffWidth, el) {
//undo drawing box adaptions which were set by floating
if (renderer.y >= thresholdY) {
renderer.x += diffX;
renderer.settings.width += diffWidth;
return true;
} else if(el && el.nodeType === 1 && !SkipNode[el.nodeName] && renderer.x+el.width > (renderer.pdf.margins_doc.left + renderer.pdf.margins_doc.width)) {
renderer.x += diffX;
renderer.y = thresholdY;
renderer.settings.width += diffWidth;
return true;
} else {
return false;
}
}).bind(this, (imagesCSS['float'] === 'left') ? -cn.width-additionalSpaceLeft-additionalSpaceRight : 0, renderer.y+cn.height+additionalSpaceTop+additionalSpaceBottom, cn.width));
//reset floating by clear:both divs
//just set cursorY after the floating element
renderer.watchFunctions.push((function(yPositionAfterFloating, pages, el) {
if (renderer.y < yPositionAfterFloating && pages === renderer.pdf.internal.getNumberOfPages()) {
if (el.nodeType === 1 && GetCSS(el).clear === 'both') {
renderer.y = yPositionAfterFloating;
return true;
} else {
return false;
}
} else {
return true;
}
}).bind(this, renderer.y+cn.height, renderer.pdf.internal.getNumberOfPages()));
//if floating is set we decrease the available width by the image width
renderer.settings.width -= cn.width+additionalSpaceLeft+additionalSpaceRight;
//if left just add the image width to the X coordinate
if (imagesCSS['float'] === 'left') {
renderer.x += cn.width+additionalSpaceLeft+additionalSpaceRight;
}
} else {
//if no floating is set, move the rendering cursor after the image height
renderer.y += cn.height + additionalSpaceBottom;
}
/*** TABLE RENDERING ***/
} else if (cn.nodeName === "TABLE") {
table2json = tableToJson(cn, renderer);
renderer.y += 10;
renderer.pdf.table(renderer.x, renderer.y, table2json.rows, table2json.headers, {
autoSize : false,
printHeaders : true,
margins : renderer.pdf.margins_doc
});
renderer.y = renderer.pdf.lastCellPos.y + renderer.pdf.lastCellPos.h + 20;
} else if (cn.nodeName === "OL" || cn.nodeName === "UL") {
listCount = 1;
if (!elementHandledElsewhere(cn, renderer, elementHandlers)) {
DrillForContent(cn, renderer, elementHandlers);
}
renderer.y += 10;
} else if (cn.nodeName === "LI") {
var temp = renderer.x;
renderer.x += cn.parentNode.nodeName === "UL" ? 22 : 10;
renderer.y += 3;
if (!elementHandledElsewhere(cn, renderer, elementHandlers)) {
DrillForContent(cn, renderer, elementHandlers);
}
renderer.x = temp;
} else if (cn.nodeName === "BR") {
renderer.y += fragmentCSS["font-size"] * renderer.pdf.internal.scaleFactor;
} else {
if (!elementHandledElsewhere(cn, renderer, elementHandlers)) {
DrillForContent(cn, renderer, elementHandlers);
}
}
} else if (cn.nodeType === 3) {
var value = cn.nodeValue;
if (cn.nodeValue && cn.parentNode.nodeName === "LI") {
if (cn.parentNode.parentNode.nodeName === "OL") {
value = listCount++ + '. ' + value;
} else {
var fontPx = fragmentCSS["font-size"] * 16;
var radius = 2;
if (fontPx > 20) {
radius = 3;
}
cb = function (x, y) {
this.pdf.circle(x, y, radius, 'FD');
};
}
}
// Only add the text if the text node is in the body element
if (cn.ownerDocument.body.contains(cn)){
renderer.addText(value, fragmentCSS);
}
} else if (typeof cn === "string") {
renderer.addText(cn, fragmentCSS);
}
}
i++;
}
if (isBlock) {
return renderer.setBlockBoundary(cb);
}
};
images = {};
loadImgs = function (element, renderer, elementHandlers, cb) {
var imgs = element.getElementsByTagName('img'),
l = imgs.length, found_images,
x = 0;
function done() {
renderer.pdf.internal.events.publish('imagesLoaded');
cb(found_images);
}
function loadImage(url, width, height) {
if (!url)
return;
var img = new Image();
found_images = ++x;
img.crossOrigin = '';
img.onerror = img.onload = function () {
if(img.complete) {
//to support data urls in images, set width and height
//as those values are not recognized automatically
if (img.src.indexOf('data:image/') === 0) {
img.width = width || img.width || 0;
img.height = height || img.height || 0;
}
//if valid image add to known images array
if (img.width + img.height) {
var hash = renderer.pdf.sHashCode(url) || url;
images[hash] = images[hash] || img;
}
}
if(!--x) {
done();
}
};
img.src = url;
}
while (l--)
loadImage(imgs[l].getAttribute("src"),imgs[l].width,imgs[l].height);
return x || done();
};
checkForFooter = function (elem, renderer, elementHandlers) {
//check if we can found a <footer> element
var footer = elem.getElementsByTagName("footer");
if (footer.length > 0) {
footer = footer[0];
//bad hack to get height of footer
//creat dummy out and check new y after fake rendering
var oldOut = renderer.pdf.internal.write;
var oldY = renderer.y;
renderer.pdf.internal.write = function () {};
DrillForContent(footer, renderer, elementHandlers);
var footerHeight = Math.ceil(renderer.y - oldY) + 5;
renderer.y = oldY;
renderer.pdf.internal.write = oldOut;
//add 20% to prevent overlapping
renderer.pdf.margins_doc.bottom += footerHeight;
//Create function render header on every page
var renderFooter = function (pageInfo) {
var pageNumber = pageInfo !== undefined ? pageInfo.pageNumber : 1;
//set current y position to old margin
var oldPosition = renderer.y;
//render all child nodes of the header element
renderer.y = renderer.pdf.internal.pageSize.height - renderer.pdf.margins_doc.bottom;
renderer.pdf.margins_doc.bottom -= footerHeight;
//check if we have to add page numbers
var spans = footer.getElementsByTagName('span');
for (var i = 0; i < spans.length; ++i) {
//if we find some span element with class pageCounter, set the page
if ((" " + spans[i].className + " ").replace(/[\n\t]/g, " ").indexOf(" pageCounter ") > -1) {
spans[i].innerHTML = pageNumber;
}
//if we find some span element with class totalPages, set a variable which is replaced after rendering of all pages
if ((" " + spans[i].className + " ").replace(/[\n\t]/g, " ").indexOf(" totalPages ") > -1) {
spans[i].innerHTML = '###jsPDFVarTotalPages###';
}
}
//render footer content
DrillForContent(footer, renderer, elementHandlers);
//set bottom margin to previous height including the footer height
renderer.pdf.margins_doc.bottom += footerHeight;
//important for other plugins (e.g. table) to start rendering at correct position after header
renderer.y = oldPosition;
};
//check if footer contains totalPages which shoudl be replace at the disoposal of the document
var spans = footer.getElementsByTagName('span');
for (var i = 0; i < spans.length; ++i) {
if ((" " + spans[i].className + " ").replace(/[\n\t]/g, " ").indexOf(" totalPages ") > -1) {
renderer.pdf.internal.events.subscribe('htmlRenderingFinished', renderer.pdf.putTotalPages.bind(renderer.pdf, '###jsPDFVarTotalPages###'), true);
}
}
//register event to render footer on every new page
renderer.pdf.internal.events.subscribe('addPage', renderFooter, false);
//render footer on first page
renderFooter();
//prevent footer rendering
SkipNode['FOOTER'] = 1;
}
};
process = function (pdf, element, x, y, settings, callback) {
if (!element)
return false;
if (typeof element !== "string" && !element.parentNode)
element = '' + element.innerHTML;
if (typeof element === "string") {
element = (function (element) {
var $frame,
$hiddendiv,
framename,
visuallyhidden;
framename = "jsPDFhtmlText" + Date.now().toString() + (Math.random() * 1000).toFixed(0);
visuallyhidden = "position: absolute !important;" + "clip: rect(1px 1px 1px 1px); /* IE6, IE7 */" + "clip: rect(1px, 1px, 1px, 1px);" + "padding:0 !important;" + "border:0 !important;" + "height: 1px !important;" + "width: 1px !important; " + "top:auto;" + "left:-100px;" + "overflow: hidden;";
$hiddendiv = document.createElement('div');
$hiddendiv.style.cssText = visuallyhidden;
$hiddendiv.innerHTML = "<iframe style=\"height:1px;width:1px\" name=\"" + framename + "\" />";
document.body.appendChild($hiddendiv);
$frame = window.frames[framename];
$frame.document.open();
$frame.document.writeln(element);
$frame.document.close();
return $frame.document.body;
})(element.replace(/<\/?script[^>]*?>/gi, ''));
}
var r = new Renderer(pdf, x, y, settings), out;
// 1. load images
// 2. prepare optional footer elements
// 3. render content
loadImgs.call(this, element, r, settings.elementHandlers, function (found_images) {
checkForFooter( element, r, settings.elementHandlers);
DrillForContent(element, r, settings.elementHandlers);
//send event dispose for final taks (e.g. footer totalpage replacement)
r.pdf.internal.events.publish('htmlRenderingFinished');
out = r.dispose();
if (typeof callback === 'function') callback(out);
else if (found_images) console.error('jsPDF Warning: rendering issues? provide a callback to fromHTML!');
});
return out || {x: r.x, y:r.y};
};
Renderer.prototype.init = function () {
this.paragraph = {
text : [],
style : []
};
return this.pdf.internal.write("q");
};
Renderer.prototype.dispose = function () {
this.pdf.internal.write("Q");
return {
x : this.x,
y : this.y,
ready:true
};
};
//Checks if we have to execute some watcher functions
//e.g. to end text floating around an image
Renderer.prototype.executeWatchFunctions = function(el) {
var ret = false;
var narray = [];
if (this.watchFunctions.length > 0) {
for(var i=0; i< this.watchFunctions.length; ++i) {
if (this.watchFunctions[i](el) === true) {
ret = true;
} else {
narray.push(this.watchFunctions[i]);
}
}
this.watchFunctions = narray;
}
return ret;
};
Renderer.prototype.splitFragmentsIntoLines = function (fragments, styles) {
var currentLineLength,
defaultFontSize,
ff,
fontMetrics,
fontMetricsCache,
fragment,
fragmentChopped,
fragmentLength,
fragmentSpecificMetrics,
fs,
k,
line,
lines,
maxLineLength,
style;
defaultFontSize = 12;
k = this.pdf.internal.scaleFactor;
fontMetricsCache = {};
ff = void 0;
fs = void 0;
fontMetrics = void 0;
fragment = void 0;
style = void 0;
fragmentSpecificMetrics = void 0;
fragmentLength = void 0;
fragmentChopped = void 0;
line = [];
lines = [line];
currentLineLength = 0;
maxLineLength = this.settings.width;
while (fragments.length) {
fragment = fragments.shift();
style = styles.shift();
if (fragment) {
ff = style["font-family"];
fs = style["font-style"];
fontMetrics = fontMetricsCache[ff + fs];
if (!fontMetrics) {
fontMetrics = this.pdf.internal.getFont(ff, fs).metadata.Unicode;
fontMetricsCache[ff + fs] = fontMetrics;
}
fragmentSpecificMetrics = {
widths : fontMetrics.widths,
kerning : fontMetrics.kerning,
fontSize : style["font-size"] * defaultFontSize,
textIndent : currentLineLength
};
fragmentLength = this.pdf.getStringUnitWidth(fragment, fragmentSpecificMetrics) * fragmentSpecificMetrics.fontSize / k;
if (currentLineLength + fragmentLength > maxLineLength) {
fragmentChopped = this.pdf.splitTextToSize(fragment, maxLineLength, fragmentSpecificMetrics);
line.push([fragmentChopped.shift(), style]);
while (fragmentChopped.length) {
line = [[fragmentChopped.shift(), style]];
lines.push(line);
}
currentLineLength = this.pdf.getStringUnitWidth(line[0][0], fragmentSpecificMetrics) * fragmentSpecificMetrics.fontSize / k;
} else {
line.push([fragment, style]);
currentLineLength += fragmentLength;
}
}
}
//if text alignment was set, set margin/indent of each line
if (style['text-align'] !== undefined && (style['text-align'] === 'center' || style['text-align'] === 'right' || style['text-align'] === 'justify')) {
for (var i = 0; i < lines.length; ++i) {
var length = this.pdf.getStringUnitWidth(lines[i][0][0], fragmentSpecificMetrics) * fragmentSpecificMetrics.fontSize / k;
//if there is more than on line we have to clone the style object as all lines hold a reference on this object
if (i > 0) {
lines[i][0][1] = clone(lines[i][0][1]);
}
var space = (maxLineLength - length);
if (style['text-align'] === 'right') {
lines[i][0][1]['margin-left'] = space;
//if alignment is not right, it has to be center so split the space to the left and the right
} else if (style['text-align'] === 'center') {
lines[i][0][1]['margin-left'] = space / 2;
//if justify was set, calculate the word spacing and define in by using the css property
} else if (style['text-align'] === 'justify') {
var countSpaces = lines[i][0][0].split(' ').length - 1;
lines[i][0][1]['word-spacing'] = space / countSpaces;
//ignore the last line in justify mode
if (i === (lines.length - 1)) {
lines[i][0][1]['word-spacing'] = 0;
}
}
}
}
return lines;
};
Renderer.prototype.RenderTextFragment = function (text, style) {
var defaultFontSize,
font,
maxLineHeight;
maxLineHeight = 0;
defaultFontSize = 12;
if (this.pdf.internal.pageSize.height - this.pdf.margins_doc.bottom < this.y + this.pdf.internal.getFontSize()) {
this.pdf.internal.write("ET", "Q");
this.pdf.addPage();
this.y = this.pdf.margins_doc.top;
this.pdf.internal.write("q", "BT 0 g", this.pdf.internal.getCoordinateString(this.x), this.pdf.internal.getVerticalCoordinateString(this.y), style.color, "Td");
//move cursor by one line on new page
maxLineHeight = Math.max(maxLineHeight, style["line-height"], style["font-size"]);
this.pdf.internal.write(0, (-1 * defaultFontSize * maxLineHeight).toFixed(2), "Td");
}
font = this.pdf.internal.getFont(style["font-family"], style["font-style"]);
// text color
var pdfTextColor = this.getPdfColor(style["color"]);
if (pdfTextColor !== this.lastTextColor)
{
this.pdf.internal.write(pdfTextColor);
this.lastTextColor = pdfTextColor;
}
//set the word spacing for e.g. justify style
if (style['word-spacing'] !== undefined && style['word-spacing'] > 0) {
this.pdf.internal.write(style['word-spacing'].toFixed(2), "Tw");
}
this.pdf.internal.write("/" + font.id, (defaultFontSize * style["font-size"]).toFixed(2), "Tf", "(" + this.pdf.internal.pdfEscape(text) + ") Tj");
//set the word spacing back to neutral => 0
if (style['word-spacing'] !== undefined) {
this.pdf.internal.write(0, "Tw");
}
};
// Accepts #FFFFFF, rgb(int,int,int), or CSS Color Name
Renderer.prototype.getPdfColor = function(style) {
var textColor;
var r,g,b;
var rx = /rgb\s*\(\s*(\d+),\s*(\d+),\s*(\d+\s*)\)/;
var m = rx.exec(style);
if (m != null){
r = parseInt(m[1]);
g = parseInt(m[2]);
b = parseInt(m[3]);
}
else{
if (style.charAt(0) != '#') {
style = CssColors.colorNameToHex(style);
if (!style) {
style = '#000000';
}
}
r = style.substring(1, 3);
r = parseInt(r, 16);
g = style.substring(3, 5);
g = parseInt(g, 16);
b = style.substring(5, 7);
b = parseInt(b, 16);
}
if ((typeof r === 'string') && /^#[0-9A-Fa-f]{6}$/.test(r)) {
var hex = parseInt(r.substr(1), 16);
r = (hex >> 16) & 255;
g = (hex >> 8) & 255;
b = (hex & 255);
}
var f3 = this.f3;
if ((r === 0 && g === 0 && b === 0) || (typeof g === 'undefined')) {
textColor = f3(r / 255) + ' g';
} else {
textColor = [f3(r / 255), f3(g / 255), f3(b / 255), 'rg'].join(' ');
}
return textColor;
};
Renderer.prototype.f3 = function(number) {
return number.toFixed(3); // Ie, %.3f
},
Renderer.prototype.renderParagraph = function (cb) {
var blockstyle,
defaultFontSize,
fontToUnitRatio,
fragments,
i,
l,
line,
lines,
maxLineHeight,
out,
paragraphspacing_after,
paragraphspacing_before,
priorblockstyle,
styles,
fontSize;
fragments = PurgeWhiteSpace(this.paragraph.text);
styles = this.paragraph.style;
blockstyle = this.paragraph.blockstyle;
priorblockstyle = this.paragraph.priorblockstyle || {};
this.paragraph = {
text : [],
style : [],
blockstyle : {},
priorblockstyle : blockstyle
};
if (!fragments.join("").trim()) {
return;
}
lines = this.splitFragmentsIntoLines(fragments, styles);
line = void 0;
maxLineHeight = void 0;
defaultFontSize = 12;
fontToUnitRatio = defaultFontSize / this.pdf.internal.scaleFactor;
this.priorMarginBottom = this.priorMarginBottom || 0;
paragraphspacing_before = (Math.max((blockstyle["margin-top"] || 0) - this.priorMarginBottom, 0) + (blockstyle["padding-top"] || 0)) * fontToUnitRatio;
paragraphspacing_after = ((blockstyle["margin-bottom"] || 0) + (blockstyle["padding-bottom"] || 0)) * fontToUnitRatio;
this.priorMarginBottom = blockstyle["margin-bottom"] || 0;
if (blockstyle['page-break-before'] === 'always'){
this.pdf.addPage();
this.y = 0;
paragraphspacing_before = ((blockstyle["margin-top"] || 0) + (blockstyle["padding-top"] || 0)) * fontToUnitRatio;
}
out = this.pdf.internal.write;
i = void 0;
l = void 0;
this.y += paragraphspacing_before;
out("q", "BT 0 g", this.pdf.internal.getCoordinateString(this.x), this.pdf.internal.getVerticalCoordinateString(this.y), "Td");
//stores the current indent of cursor position
var currentIndent = 0;
while (lines.length) {
line = lines.shift();
maxLineHeight = 0;
i = 0;
l = line.length;
while (i !== l) {
if (line[i][0].trim()) {
maxLineHeight = Math.max(maxLineHeight, line[i][1]["line-height"], line[i][1]["font-size"]);
fontSize = line[i][1]["font-size"] * 7;
}
i++;
}
//if we have to move the cursor to adapt the indent
var indentMove = 0;
var indentMore = 0;
//if a margin was added (by e.g. a text-alignment), move the cursor
if (line[0][1]["margin-left"] !== undefined && line[0][1]["margin-left"] > 0) {
wantedIndent = this.pdf.internal.getCoordinateString(line[0][1]["margin-left"]);
indentMove = wantedIndent - currentIndent;
currentIndent = wantedIndent;
}
var indentMore = (Math.max(blockstyle["margin-left"] || 0, 0)) * fontToUnitRatio;
//move the cursor
out(indentMove + indentMore, (-1 * defaultFontSize * maxLineHeight).toFixed(2), "Td");
i = 0;
l = line.length;
while (i !== l) {
if (line[i][0]) {
this.RenderTextFragment(line[i][0], line[i][1]);
}
i++;
}
this.y += maxLineHeight * fontToUnitRatio;
//if some watcher function was executed sucessful, so e.g. margin and widths were changed,
//reset line drawing and calculate position and lines again
//e.g. to stop text floating around an image
if (this.executeWatchFunctions(line[0][1]) && lines.length > 0) {
var localFragments = [];
var localStyles = [];
//create fragement array of
lines.forEach(function(localLine) {
var i = 0;
var l = localLine.length;
while (i !== l) {
if (localLine[i][0]) {
localFragments.push(localLine[i][0]+' ');
localStyles.push(localLine[i][1]);
}
++i;
}
});
//split lines again due to possible coordinate changes
lines = this.splitFragmentsIntoLines(PurgeWhiteSpace(localFragments), localStyles);
//reposition the current cursor
out("ET", "Q");
out("q", "BT 0 g", this.pdf.internal.getCoordinateString(this.x), this.pdf.internal.getVerticalCoordinateString(this.y), "Td");
}
}
if (cb && typeof cb === "function") {
cb.call(this, this.x - 9, this.y - fontSize / 2);
}
out("ET", "Q");
return this.y += paragraphspacing_after;
};
Renderer.prototype.setBlockBoundary = function (cb) {
return this.renderParagraph(cb);
};
Renderer.prototype.setBlockStyle = function (css) {
return this.paragraph.blockstyle = css;
};
Renderer.prototype.addText = function (text, css) {
this.paragraph.text.push(text);
return this.paragraph.style.push(css);
};
FontNameDB = {