export.py :  » GUI » Sketch » skencil-0.6.17 » Sketch » UI » Python Open Source

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Python Open Source » GUI » Sketch 
Sketch » skencil 0.6.17 » Sketch » UI » export.py
# Sketch - A Python-based interactive drawing program
# Copyright (C) 1997, 1998 by Bernhard Herzog
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


from sketchdlg import SketchPanel
from Tkinter import X,BOTH,LEFT,TOP
from Tkinter import Frame,Label
from tkext import UpdatedButton,MyEntry,UpdatedCheckbutton,\
     MyOptionMenu2

from view import SketchView

bitmap_types = [('Portable Pixmap (PPM)', 'ppmraw'),
    ('Portable Graymap (PGM)', 'pgmraw'),
    ('Portable Bitmap (PBM)', 'pbmraw')]



class ExportPanel(SketchPanel):

    title = 'Export'

    def __init__(self, master, main_window, doc):
  SketchPanel.__init__(self, master, main_window, doc, name = 'export')

    def build_dlg(self):
  top = self.top

  self.view = SketchView(top, self.document, width = 200, height = 200,
             background = 'white')
  self.view.pack(side = LEFT, fill = BOTH, expand = 1)

  self.opt_format = MyOptionMenu2(top, bitmap_types)
  self.opt_format.pack(side = TOP)

  frame = Frame(top)
  frame.pack(side = TOP, expand = 1, fill = X)
  label = Label(frame, text = 'Resolution')
  label.pack(side = LEFT)
  entry = MyEntry(frame, width = 4)
  entry.pack(side = LEFT)
  label = Label(frame, text = 'dpi')
  label.pack(side = LEFT)

  frame = Frame(top)
  frame.pack(side = TOP, expand = 1, fill = X)
  label = Label(frame, text = 'Size')
  label.pack(side = LEFT)
  entry = MyEntry(frame, width = 4)
  entry.pack(side = LEFT)
  label = Label(frame, text = 'x')
  label.pack(side = LEFT)
  entry = MyEntry(frame, width = 4)
  entry.pack(side = LEFT)
  label = Label(frame, text = 'pixel')
  label.pack(side = LEFT)

  check = UpdatedCheckbutton(top, text = 'antialiasing')
  check.pack(side = TOP)

  frame = Frame(top)
  frame.pack(side =TOP)
  button = UpdatedButton(frame, text = 'Export')
  button.pack(side = LEFT)
  button = UpdatedButton(frame, text = 'Close', command = self.close_dlg)
  button.pack(side = LEFT)


    def init_from_doc(self):
  self.view.SetDocument(self.document)




import os


def export_bitmap(document):
    from psdevice import PostScriptDevice
    width, height = document.PageSize()
    width = round(width)
    height = round(height)
    res = 72
    outfile = '/tmp/export.ppm'
    gs_cmd = 'gs -dNOPAUSE -g%(width)dx%(height)d -r%(res)d -sDEVICE=ppmraw '\
       '-sOutputFile=%(outfile)s -q -' % locals()
    #gs_cmd = 'cat > ' + outfile

    if __debug__:
  print gs_cmd
    file = os.popen(gs_cmd, 'w')
    try:
  device = PostScriptDevice(file, as_eps = 0)
  document.Draw(device)
  device.Close()
  file.write('quit\n')
    finally:
  file.close()



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