# -*- coding:utf-8 -*-

 # Author: Pete Yim<xpHook@gmail.com>

 # Date  : 13-8-22

 # Copyright (c) 2013 RCSH Systems Incorporated. All rights reserved.

 import win32print

 import win32ui

 from PIL import Image, ImageWin

 import _imaging

 #

 # Constants for GetDeviceCaps

 #

 #

 # HORZRES / VERTRES = printable area

 #

 HORZRES = 8

 VERTRES = 10

 #

 # LOGPIXELS = dots per inch

 #

 LOGPIXELSX = 88

 LOGPIXELSY = 90

 #

 # PHYSICALWIDTH/HEIGHT = total area

 #

 PHYSICALWIDTH = 110

 PHYSICALHEIGHT = 111

 #

 # PHYSICALOFFSETX/Y = left / top margin

 #

 PHYSICALOFFSETX = 112

 PHYSICALOFFSETY = 113

 printer_name = win32print.GetDefaultPrinter ()

 file_name = "E:\\abc.jpg"

 #

 # You can only write a Device-independent bitmap

 #  directly to a Windows device context; therefore

 #  we need (for ease) to use the Python Imaging

 #  Library to manipulate the image.

 #

 # Create a device context from a named printer

 #  and assess the printable size of the paper.

 #

 hDC = win32ui.CreateDC ()

 hDC.CreatePrinterDC (printer_name)

 printable_area = hDC.GetDeviceCaps (HORZRES), hDC.GetDeviceCaps (VERTRES)

 printer_size = hDC.GetDeviceCaps (PHYSICALWIDTH), hDC.GetDeviceCaps (PHYSICALHEIGHT)

 printer_margins = hDC.GetDeviceCaps (PHYSICALOFFSETX), hDC.GetDeviceCaps (PHYSICALOFFSETY)

 #

 # Open the image, rotate it if it's wider than

 #  it is high, and work out how much to multiply

 #  each pixel by to get it as big as possible on

 #  the page without distorting.

 #

 bmp = Image.open (file_name)

 if bmp.size[0] > bmp.size[1]:

   bmp = bmp.rotate (90)

 ratios = [1.0 * printable_area[0] / bmp.size[0], 1.0 * printable_area[1] / bmp.size[1]]

 scale = min (ratios)

 #

 # Start the print job, and draw the bitmap to

 #  the printer device at the scaled size.

 #

 hDC.StartDoc (file_name)

 hDC.StartPage ()

 dib = ImageWin.Dib (bmp)

 scaled_width, scaled_height = [int (scale * i) for i in bmp.size]

 x1 = int ((printer_size[0] - scaled_width) / 2)

 y1 = int ((printer_size[1] - scaled_height) / 2)

 x2 = x1 + scaled_width

 y2 = y1 + scaled_height

 dib.draw (hDC.GetHandleOutput (), (x1, y1, x2, y2))

 hDC.EndPage ()

 hDC.EndDoc ()

 hDC.DeleteDC ()