1e4a197e4c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19793 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
179 lines
5.2 KiB
Python
179 lines
5.2 KiB
Python
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from wxPython.wx import *
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from wxScrolledWindow import MyCanvas
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#----------------------------------------------------------------------
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class MyPrintout(wxPrintout):
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def __init__(self, canvas, log):
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wxPrintout.__init__(self)
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self.canvas = canvas
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self.log = log
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def OnBeginDocument(self, start, end):
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self.log.WriteText("wxPrintout.OnBeginDocument\n")
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return self.base_OnBeginDocument(start, end)
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def OnEndDocument(self):
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self.log.WriteText("wxPrintout.OnEndDocument\n")
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self.base_OnEndDocument()
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def OnBeginPrinting(self):
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self.log.WriteText("wxPrintout.OnBeginPrinting\n")
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self.base_OnBeginPrinting()
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def OnEndPrinting(self):
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self.log.WriteText("wxPrintout.OnEndPrinting\n")
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self.base_OnEndPrinting()
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def OnPreparePrinting(self):
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self.log.WriteText("wxPrintout.OnPreparePrinting\n")
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self.base_OnPreparePrinting()
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def HasPage(self, page):
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self.log.WriteText("wxPrintout.HasPage: %d\n" % page)
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if page <= 2:
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return True
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else:
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return False
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def GetPageInfo(self):
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self.log.WriteText("wxPrintout.GetPageInfo\n")
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return (1, 2, 1, 2)
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def OnPrintPage(self, page):
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self.log.WriteText("wxPrintout.OnPrintPage: %d\n" % page)
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dc = self.GetDC()
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#-------------------------------------------
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# One possible method of setting scaling factors...
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maxX = self.canvas.getWidth()
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maxY = self.canvas.getHeight()
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# Let's have at least 50 device units margin
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marginX = 50
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marginY = 50
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# Add the margin to the graphic size
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maxX = maxX + (2 * marginX)
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maxY = maxY + (2 * marginY)
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# Get the size of the DC in pixels
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(w, h) = dc.GetSizeTuple()
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# Calculate a suitable scaling factor
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scaleX = float(w) / maxX
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scaleY = float(h) / maxY
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# Use x or y scaling factor, whichever fits on the DC
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actualScale = min(scaleX, scaleY)
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# Calculate the position on the DC for centring the graphic
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posX = (w - (self.canvas.getWidth() * actualScale)) / 2.0
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posY = (h - (self.canvas.getHeight() * actualScale)) / 2.0
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# Set the scale and origin
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dc.SetUserScale(actualScale, actualScale)
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dc.SetDeviceOrigin(int(posX), int(posY))
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#-------------------------------------------
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self.canvas.DoDrawing(dc)
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dc.DrawText("Page: %d" % page, marginX/2, maxY-marginY)
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return True
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#----------------------------------------------------------------------
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class TestPrintPanel(wxPanel):
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def __init__(self, parent, frame, log):
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wxPanel.__init__(self, parent, -1)
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self.log = log
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self.frame = frame
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self.printData = wxPrintData()
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self.printData.SetPaperId(wxPAPER_LETTER)
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self.box = wxBoxSizer(wxVERTICAL)
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self.canvas = MyCanvas(self)
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self.box.Add(self.canvas, 1, wxGROW)
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subbox = wxBoxSizer(wxHORIZONTAL)
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btn = wxButton(self, 1201, "Print Setup")
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EVT_BUTTON(self, 1201, self.OnPrintSetup)
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subbox.Add(btn, 1, wxGROW | wxALL, 2)
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btn = wxButton(self, 1202, "Print Preview")
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EVT_BUTTON(self, 1202, self.OnPrintPreview)
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subbox.Add(btn, 1, wxGROW | wxALL, 2)
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btn = wxButton(self, 1203, "Print")
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EVT_BUTTON(self, 1203, self.OnDoPrint)
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subbox.Add(btn, 1, wxGROW | wxALL, 2)
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self.box.Add(subbox, 0, wxGROW)
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self.SetAutoLayout(True)
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self.SetSizer(self.box)
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def OnPrintSetup(self, event):
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printerDialog = wxPrintDialog(self)
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printerDialog.GetPrintDialogData().SetPrintData(self.printData)
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printerDialog.GetPrintDialogData().SetSetupDialog(True)
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printerDialog.ShowModal();
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self.printData = printerDialog.GetPrintDialogData().GetPrintData()
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printerDialog.Destroy()
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def OnPrintPreview(self, event):
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self.log.WriteText("OnPrintPreview\n")
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printout = MyPrintout(self.canvas, self.log)
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printout2 = MyPrintout(self.canvas, self.log)
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self.preview = wxPrintPreview(printout, printout2, self.printData)
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if not self.preview.Ok():
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self.log.WriteText("Houston, we have a problem...\n")
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return
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frame = wxPreviewFrame(self.preview, self.frame, "This is a print preview")
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frame.Initialize()
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frame.SetPosition(self.frame.GetPosition())
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frame.SetSize(self.frame.GetSize())
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frame.Show(True)
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def OnDoPrint(self, event):
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pdd = wxPrintDialogData()
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pdd.SetPrintData(self.printData)
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printer = wxPrinter(pdd)
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printout = MyPrintout(self.canvas, self.log)
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if not printer.Print(self.frame, printout):
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wxMessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wxOK)
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else:
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self.printData = printer.GetPrintDialogData().GetPrintData()
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printout.Destroy()
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#----------------------------------------------------------------------
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def runTest(frame, nb, log):
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win = TestPrintPanel(nb, frame, log)
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return win
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#----------------------------------------------------------------------
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overview = """\
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"""
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