# CHAPTER 3. Pages

def scalePages(pdf, r, sx, sy):
    """scalePages(pdf, range, x scale, y scale) scales the page dimensions
    and content by the given scale, about (0, 0). Other boxes (crop etc. are
    altered as appropriate)"""

def scaleToFit(pdf, r, sx, sy, scale_to_fit_scale):
    """scaleToFit(pdf, range, width height, scale) scales the content to fit
    new page dimensions (width x height) multiplied by scale (typically 1.0).
    Other boxed (crop etc. are altered as appropriate)"""

def scaleToFitPaper(pdf, r, papersize, scale_to_fit_scale):
    """scaleToFitPaper(pdf, range, papersize, scale) scales the page content
    to fit the given page size, possibly multiplied by scale (typically 1.0)"""

"""Positions with two numbers in a tuple e.g (posLeft, 10.0, 20.0):"""
posCentre = 0
posLeft = 1
posRight = 2
"""Positions with one number in a tuple e.g (top, 5.0):"""
top = 3
topLeft = 4
topRight = 5
left = 6
bottomLeft = 7
bottomRight = 8
right = 9
"""Positions with no numbers e.g diagonal:"""
diagonal = 10
reverseDiagonal = 11

def scaleContents(pdf, r, pos, scale):
    """scaleContents(pdf, range, position, scale) scales the contents of the
    pages in the range about the point given by the position, by the
    scale given."""

def shiftContents(pdf, r, dx, dy):
    """shiftContents(pdf, range, dx, dy) shifts the content of the pages in
    the range."""

def rotate(pdf, r, rotation):
    """rotate(pdf, range, rotation) changes the viewing rotation to an
    absolute value. Appropriate rotations are 0, 90, 180, 270."""

def rotateBy(pdf, r, rotation):
    """rotateBy(pdf, range, rotation) changes the viewing rotation by a
    given number of degrees. Appropriate values are 90, 180, 270."""

def rotateContents(pdf, r, rotation):
    """rotateContents(pdf, range, angle) rotates the content about the centre
    of the page by the given number of degrees, in a clockwise direction."""

def upright(pdf, r):
    """upright(pdf, range) changes the viewing rotation of the pages in the
    range, counter-rotating the dimensions and content such that there is no
    visual change."""

def hFlip(pdf, r):
    """hFlip(pdf, range) flips horizontally the pages in the range."""

def vFlip(pdf, r):
    """vFlip(pdf, range) flips vertically the pages in the range."""

def crop(pdf, r, x, y, w, h):
    """crop(pdf, range, x, y, w, h) crops a page, replacing any existing
    crop box. The dimensions are in points."""

def removeCrop(pdf, r):
    """removeCrop(pdf, range) removes any crop box from pages in the range."""

def removeTrim(pdf, r):
    """removeTrim(pdf, range) removes any crop box from pages in the range."""

def removeArt(pdf, r):
    """removeArt(pdf, range) removes any crop box from pages in the range."""

def removeBleed(pdf, r):
    """removeBleed(pdf, range) removes any crop box from pages in the range."""

def trimMarks(pdf, r):
    """trimMarks(pdf, range) adds trim marks to the given pages, if the trimbox
    exists."""

def showBoxes(pdf, r):
    """showBoxes(pdf, range) shows the boxes on the given pages, for debug."""

def hardBox(pdf, r, boxname):
    """hardBox make a given box a 'hard box' i.e clips it explicitly."""