/*

* Let's demonstrate string splitting with the first page of Shakespeare's Romeo and Juliet!

* We'll use a 8.5 x 11 inch sheet, measuring everything in inches.

*/

var pageWidth = 8.5,

lineHeight = 1.2,

margin = 0.5,

maxLineWidth = pageWidth - margin * 2,

fontSize = 24,

ptsPerInch = 72,

oneLineHeight = fontSize * lineHeight / ptsPerInch,

text = 'Two households, both alike in dignity,\n' +

'In fair Verona, where we lay our scene,\n' +

'From ancient grudge break to new mutiny,\n' +

'Where civil blood makes civil hands unclean.\n' +

'From forth the fatal loins of these two foes\n' +

'A pair of star-cross\'d lovers take their life;\n' +

'Whole misadventured piteous overthrows\n' +

'Do with their death bury their parents\' strife.\n' +

'The fearful passage of their death-mark\'d love,\n' +

'And the continuance of their parents\' rage,\n' +

// Notice that the following will be wrapped to two lines automatically!

'Which, but their children\'s end, nought could remove, Is now the two hours\' traffic of our stage;\n' +

'The which if you with patient ears attend,\n' +

'What here shall miss, our toil shall strive to mend.',

doc = new jsPDF({

unit: 'in',

lineHeight: lineHeight

}).setProperties({ title: 'String Splitting' });

// splitTextToSize takes your string and turns it in to an array of strings,

// each of which can be displayed within the specified maxLineWidth.

var textLines = doc

.setFont('helvetica', 'neue')

.setFontSize(fontSize)

.splitTextToSize(text, maxLineWidth);

// doc.text can now add those lines easily; otherwise, it would have run text off the screen!

doc.text(textLines, margin, margin + 2 * oneLineHeight);

// You can also calculate the height of the text very simply:

var textHeight = textLines.length * fontSize * lineHeight / ptsPerInch;

doc

.setFontStyle('bold')

.text('Text Height: ' + textHeight + ' inches', margin, margin + oneLineHeight);