/*

* 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

);