// CHAPTER 8. Logos, Watermarks and Stamps
   
/** Stamps stamp_pdf on all the pages in the document which are in the
range. The stamp is placed with its origin at the origin of the target
document.
@arg {pdf} stamp_pdf stamp
@arg {pdf} pdf PDF document
@arg {range} range page range */
function stampOn(stamp_pdf, pdf, range) {}

/** Stamps stamp_pdf under all the pages in the document which are in the
range. The stamp is placed with its origin at the origin of the target
document.
@arg {pdf} stamp_pdf stamp
@arg {pdf} pdf PDF document
@arg {range} range page range */
function stampUnder(stamp_pdf, pdf, range) {}

/** A stamping function with extra features. 
@arg {pdf} pdf first PDF document
@arg {pdf} pdf second PDF document
@arg {boolean} isover pdf goes over pdf2, otherwise under
@arg {boolean} scale_stamp_to_fit scales the stamp to fit the page
@arg {anchor} anchor for position of stamp
@arg {number} p1 position argument 1
@arg {number} p2 position argument 2
@arg {boolean} relative_to_cropbox pos is relative to cropbox not mediabox. */
function stampExtended(pdf, pdf2, range, isover, scale_stamp_to_fit, position, relative_to_cropbox) {}

/** Combines the PDFs page-by-page, putting each page of 'over' over each page
of 'under'.
@arg {pdf} under PDF document
@arg {pdf} over PDF document
@result {pdf} resultant PDF document */
function combinePages(under, over) {}

/** Times Roman */
var timesRoman = 'Times-Roman';

/** Times Bold */
var timesBold = 'Times-Bold';

/** Times Italic */
var timesItalic = 'Times-Italic';

/** Times Bold Italic */
var timesBoldItalic = 'Times-BoldItalic';

/** Helvetica */
var helvetica = 'Helvetica';

/** Helvetica Bold */
var helveticaBold = 'Helvetica-Bold';

/** Helvetica Oblique */
var helveticaOblique = 'Helvetica-Oblique';

/** Helvetica Bold Oblique */
var helveticaBoldOblique = 'Helvetica-BoldOblique';

/** Courier */
var courier = 'Courier';

/** Courier Bold */
var courierBold = 'Courier-Bold';

/** Courier Oblique */
var courierOblique = 'Courier-Oblique';

/** Courier Bold Oblique */
var courierBoldOblique = 'Courier-BoldOblique';

/** Left justify */
var leftJustify = 0;

/** Centre justify */
var centreJustify = 1;

/** Right justify */
var rightJustify = 2;

/** Adds text to the pages in the given range.
@arg {boolean} metrics collect metrics only
@arg {pdf} pdf PDF document
@arg {range} range page range
@arg {string} text text to add \\n for newline
@arg {anchor} anchor anchor to add text at
@arg {number} p1 position argument 1
@arg {number} p2 position argument 2
@arg {number} linespacing line spacing
@arg {number} bates starting bates number
@arg {font} font font
@arg {number} fontsize font size
@arg {number} r red component of colour 0..1
@arg {number} g green component of colour 0..1
@arg {number} b blue component of colour 0..1
@arg {boolean} underneath put text under the page rather than over
@arg {boolean} relative_to_cropbox position is relative to crop box not media box
@arg {boolean} outline text is outline
@arg {number} opacity opacity 0..1
@arg {justification} justification justification
@arg {boolean} midline position is relative to midline not baseline
@arg {boolean} topline position is relative to topline not baseline
@arg {string} filename file name
@arg {number} linewidth line width
@arg {boolean} embed_fonts add font information
*/
function addText(metrics, pdf, range, text, anchor, p1, p2, linespacing,
                 bates, font, fontsize, r, g, b, underneath, relative_to_cropbox, outline,
                 opacity, justification, midline, topline, filename, linewidth, embed_fonts) {}

/** Adds text with most parameters default.
@arg {pdf} pdf PDF document
@arg {range} range page range
@arg {string} text text to add. \\n for newline
@arg {anchor} anchor anchor to add text at
@arg {number} p1 position argument 1
@arg {number} p2 position argument 2
@arg {font} font font
@arg {number} fontsize font size */
function addTextSimple(pdf, range, text, anchor, p1, p2, font, fontsize) {}

/** Removes any text added by cpdf from the given pages.
@arg {pdf} pdf PDF document
@arg {range} range page range */
function removeText(pdf, range) {}

/** Returns the width of a given string in the given font in thousandths of a
point.
@arg {font} font font
@arg {string} text text
@result {number} width */
function textWidth(font, text) {}

/** Adds page content before (if true) or after (if false) the existing
content to pages in the given range in the given PDF.
@arg {string} content content to add
@arg {boolean} before rather than after
@arg {pdf} pdf PDF document
@arg {range} range page range */
function addContent(content, before, pdf, range) {}

/** Stamps stamp_pdf onto the pages in the given range in pdf as a shared Form
XObject. The name of the newly-created XObject is returned.
@arg {pdf} pdf PDF document
@arg {range} range page range
@arg {pdf} stamp_pdf stamp pdf
@result {string} name of XObject */
function stampAsXObject(pdf, range, stamp_pdf) {}