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# Copyright (C) 2009, 2010, 2011 Rickard Lindberg, Roger Lindberg
#
# This file is part of Timeline.
#
# Timeline is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Timeline 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Timeline. If not, see <http://www.gnu.org/licenses/>.
import wx
class TimelinePrintout(wx.Printout):
"""
This class has the functionality of printing out a Timeline document.
Responds to calls such as OnPrintPage and HasPage.
Instances of this class are passed to wx.Printer.Print() or a
wx.PrintPreview object to initiate printing or previewing.
"""
def __init__(self, drawing_area, preview=False):
wx.Printout.__init__(self)
self.drawing_area = drawing_area
self.preview = preview
def OnBeginDocument(self, start, end):
return super(TimelinePrintout, self).OnBeginDocument(start, end)
def OnEndDocument(self):
super(TimelinePrintout, self).OnEndDocument()
def OnBeginPrinting(self):
super(TimelinePrintout, self).OnBeginPrinting()
def OnEndPrinting(self):
super(TimelinePrintout, self).OnEndPrinting()
def OnPreparePrinting(self):
super(TimelinePrintout, self).OnPreparePrinting()
def HasPage(self, page):
if page <= 1:
return True
else:
return False
def GetPageInfo(self):
minPage = 1
maxPage = 1
pageFrom = 1
pageTo = 1
return (minPage, maxPage, pageFrom, pageTo)
def OnPrintPage(self, page):
def SetScaleAndDeviceOrigin(dc):
(panel_width, panel_height) = self.drawing_area.GetSize()
# Let's have at least 50 device units margin
x_margin = 50
y_margin = 50
# Add the margin to the graphic size
x_max = panel_width + (2 * x_margin)
y_max = panel_height + (2 * y_margin)
# Get the size of the DC in pixels
(dc_width, dc_heighth) = dc.GetSizeTuple()
# Calculate a suitable scaling factor
x_scale = float(dc_width) / x_max
y_scale = float(dc_heighth) / y_max
# Use x or y scaling factor, whichever fits on the DC
scale = min(x_scale, y_scale)
# Calculate the position on the DC for centering the graphic
x_pos = (dc_width - (panel_width * scale)) / 2.0
y_pos = (dc_heighth - (panel_height * scale)) / 2.0
dc.SetUserScale(scale, scale)
dc.SetDeviceOrigin(int(x_pos), int(y_pos))
dc = self.GetDC()
SetScaleAndDeviceOrigin(dc)
dc.BeginDrawing()
dc.DrawBitmap(self.drawing_area.get_current_image(), 0, 0, True)
dc.EndDrawing()
return True
def print_timeline(main_frame):
pdd = wx.PrintDialogData(main_frame.printData)
pdd.SetToPage(1)
printer = wx.Printer(pdd)
printout = TimelinePrintout(main_frame.main_panel.drawing_area, False)
frame = wx.GetApp().GetTopWindow()
if not printer.Print(frame, printout, True):
if printer.GetLastError() == wx.PRINTER_ERROR:
wx.MessageBox(_("There was a problem printing.\nPerhaps your current printer is not set correctly?"), _("Printing"), wx.OK)
else:
main_frame.printData = wx.PrintData(printer.GetPrintDialogData().GetPrintData())
printout.Destroy()
def print_preview(main_frame):
data = wx.PrintDialogData(main_frame.printData)
printout_preview = TimelinePrintout(main_frame.main_panel.drawing_area, True)
printout = TimelinePrintout(main_frame.main_panel.drawing_area, False)
preview = wx.PrintPreview(printout_preview, printout, data)
if not preview.Ok():
return
frame = wx.GetApp().GetTopWindow()
pfrm = wx.PreviewFrame(preview, frame, _("Print preview"))
pfrm.Initialize()
pfrm.SetPosition(frame.GetPosition())
pfrm.SetSize(frame.GetSize())
pfrm.Show(True)
def print_setup(main_frame):
psdd = wx.PageSetupDialogData(main_frame.printData)
psdd.CalculatePaperSizeFromId()
dlg = wx.PageSetupDialog(main_frame.main_panel.drawing_area, psdd)
dlg.ShowModal()
# this makes a copy of the wx.PrintData instead of just saving
# a reference to the one inside the PrintDialogData that will
# be destroyed when the dialog is destroyed
main_frame.printData = wx.PrintData(dlg.GetPageSetupData().GetPrintData())
dlg.Destroy()
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