Printing is an essential feature in many applications, and wxPython provides a powerful printing framework through its wx.Printer
class. The wx.Printer
class allows you to manage and control the printing process, making it straightforward to handle printing tasks in your Python applications.
Getting Started
To use the wx.Printer
class in your wxPython application, you need to follow these steps:
- Create a
wx.Printer
instance: First, create an instance of thewx.Printer
class, which represents the printer device.
import wx
printer = wx.Printer()
- Define print data: Next, define the print data, such as the document to print, the page range, and other options. The
wx.PrintData
class holds this information.
print_data = wx.PrintData()
print_data.SetPrintMode(wx.PRINT_MODE_PRINTER)
print_data.SetPaperId(wx.PAPER_A4)
# Set additional print options
print_data.SetQuality(wx.PRINT_QUALITY_HIGH)
print_data.SetOrientation(wx.PORTRAIT)
printer.Print(printout, print_data)
- Create a
wx.Printout
object: In order to render the document for printing, you need to create a subclass ofwx.Printout
and override its methods such asOnPrintPage
,HasPage
, andGetPageInfo
.
class MyPrintout(wx.Printout):
def OnPrintPage(self, page):
# Render the content for the given page
# ...
def HasPage(self, page):
# Return True if the page is valid
# ...
def GetPageInfo(self):
# Return total number of pages
# ...
- Print the document: Finally, print the document using the
Print
method of thewx.Printer
instance.
printout = MyPrintout()
if printer.Print(printout):
# Successfully printed
else:
# Failed to print
Conclusion
Using the wx.Printer
class in wxPython, you can easily manage and control the printing process in your Python applications. By following the steps outlined above, you can create customized printouts and handle the printing functionality effortlessly.
Please refer to the wxPython documentation for more information and additional methods available in the wx.Printer
class.
Happy printing with wxPython!