[reportlab-users] Exceptions raised for create a png file

[diane eklou]

Hi,
I like to know why this exceptions is raised when I
try to create a PNG file:
File "Graphic.py", line 170, in plot
   
renderPM.drawToFile(drawing,self.file+'.png','PNG')
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 451, in drawToFile
    draw(d, c, 0, 0)
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 44, in draw
    R.draw(drawing, canvas, x, y)
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 90, in draw
    self.applyState()
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 75, in applyState
    self._canvas.setFont(s['fontName'], s['fontSize'])
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 271, in setFont
    _setFont(self._gs,fontName,fontSize)
  File
"/home/yao/lib/python/reportlab/graphics/renderPM.py",
line 204, in _setFont
    raise RenderPMError, "Can't setFont(%s) missing
the T1 files?\nOriginally %s: %s" % (fontName,s1,s2)
reportlab.graphics.renderPM.RenderPMError: Can't
setFont(Times-Roman) missing the T1 files?

Somebody can send me back an answer !!
Thanks
--
Yao

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