def OnFilePrint(self, event):
d = wx.MessageDialog(self,
"""As of this writing, printing support in wxPython is shaky at best.
Are you sure you want to do this?""", "Danger!", wx.YES_NO)
if d.ShowModal() == wx.ID_YES:
psdc = wx.PostScriptDC("out.ps", True, self)
self.client.redraw(psdc)
def OnFilePrint(self, event):
d = wx.MessageDialog(
self, "As of this writing, printing support "
"in wxPython is shaky at best.\n"
"Are you sure you want to do this?", "Warning", wx.YES_NO)
if d.ShowModal() == wx.ID_YES:
psdc = wx.PostScriptDC("out.ps", wx.true, self)
self.canvas.redraw(psdc)
def OnExportAsEps(self, evt):
n = self.AskExportFileName(_("EPS image"), "eps")
if n is not None:
pd = wx.PrintData()
pd.SetPaperId(wx.PAPER_NONE)
pd.SetPrintMode(wx.PRINT_MODE_FILE)
pd.SetFilename(n)
dc = wx.PostScriptDC(pd)
dc.StartDoc(_("Exporting image as EPS..."))
self.DrawOnDC(dc)
dc.EndDoc()
def SaveFile(self, fileName=''):
"""Saves the file to the type specified in the extension. If no file
name is specified a dialog box is provided. Returns True if sucessful,
otherwise False.
.bmp Save a Windows bitmap file.
.xbm Save an X bitmap file.
.xpm Save an XPM bitmap file.
.png Save a Portable Network Graphics file.
.jpg Save a Joint Photographic Experts Group file.
"""
fileTypes = BITMAP_TYPE.keys()
fileTypes.sort()
ext = fileName[-3:].lower()
if ext not in fileTypes:
dlg1 = wx.FileDialog(
self, "Save image as", ".", "", "|".join([
"%s files (*%s)|*%s" % (t.upper(), t, t) for t in fileTypes
]), wx.SAVE | wx.OVERWRITE_PROMPT)
if dlg1.ShowModal() == wx.ID_OK:
fileName = dlg1.GetPath()
# Check for proper exension
ext = os.path.splitext(fileName)[-1]
if ext not in fileTypes:
ext = fileTypes[dlg1.GetFilterIndex()]
fileName += ext
dlg1.Destroy()
else: # exit without saving
dlg1.Destroy()
return False
tp = BITMAP_TYPE[ext]
# Save...
w, h = self.GetVirtualSize()
if tp:
#...as bitmap
dc = wx.MemoryDC()
bitmap = wx.EmptyBitmap(w + 10, h + 10)
dc.SelectObject(bitmap)
dc.SetBackground(wx.WHITE_BRUSH)
dc.Clear()
self.Redraw(dc)
return bitmap.SaveFile(fileName, tp)
else:
#... as postscript
printData = wx.PrintData()
printData.SetFilename(fileName)
dc = wx.PostScriptDC(printData)
if dc.Ok():
dc.StartDoc('Saving as postscript')
doPrint(dc, self)
#self.Redraw(dc)
dc.EndDoc()
def printSizes(self, filename):
""" Export the Canvas to Postscript """
prdata = wx.PrintData()
from Explorers.Explorer import openEx
t = openEx(filename)
prdata.SetFilename(t.currentFilename())
dc = wx.PostScriptDC(prdata)
if dc.Ok():
dc.StartDoc('Export')
self.Redraw(dc)
dc.EndDoc()
wx.LogMessage('Exported %s'%filename)
def test_PostscriptDC1(self):
pd = wx.PrintData()
pd.SetPrintMode(wx.PRINT_MODE_FILE)
pd.SetFilename(fileName)
dc = wx.PostScriptDC(pd)
pen = wx.Pen('black')
self.assertTrue(pen.IsOk())
dc.StartDoc("message")
dc.SetPen(pen)
dc.DrawLine(0, 0, 50, 50)
dc.EndDoc()
del dc
os.remove(fileName)
def PS_Print(self):
print("Using PostScriptDC")
PData = wx.PrintData()
PData.SetFilename("TestPS.ps")
DC = wx.PostScriptDC(PData)
print("PPI", DC.GetPPI())
