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Viewing changes to webapp/graphite/render/glyph.py

  • Committer: Jason Dixon
  • Date: 2016-06-09 17:34:28 UTC
  • mfrom: (1094.2.3)
  • Revision ID: git-v1:0349faf603cd4d14e6bdae1355e076b92eef12d4
Merge pull request #1475 from squarebracket/feature/render-pdf

Allow for rendering PDF files

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Lines of Context:
webapp/graphite/render/glyph.py
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    if self.margin < 0:
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      self.margin = 10
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    self.setupCairo( params.get('outputFormat','png').lower() )
 
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    self.area = {
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      'xmin' : self.margin + 10, # Need extra room when the time is near the left edge
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      'xmax' : self.width - self.margin,
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    self.loadTemplate( params.get('template','default') )
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    self.setupCairo( params.get('outputFormat','png').lower() )
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    opts = self.ctx.get_font_options()
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    opts.set_antialias( cairo.ANTIALIAS_NONE )
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    self.ctx.set_font_options( opts )
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    self.outputFormat = outputFormat
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    if outputFormat == 'png':
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      self.surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self.width, self.height)
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    else:
 
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    elif outputFormat == 'svg':
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      self.surfaceData = StringIO.StringIO()
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      self.surface = cairo.SVGSurface(self.surfaceData, self.width, self.height)
 
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    elif outputFormat == 'pdf':
 
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      self.surfaceData = StringIO.StringIO()
 
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      self.surface = cairo.PDFSurface(self.surfaceData, self.width, self.height)
 
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      res_x, res_y = self.surface.get_fallback_resolution()
 
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      self.width = float(self.width / res_x) * 72
 
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      self.height = float(self.height / res_y) * 72
 
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      self.surface.set_size(self.width, self.height)
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    self.ctx = cairo.Context(self.surface)
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  def setColor(self, value, alpha=1.0, forceAlpha=False):
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  def output(self, fileObj):
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    if self.outputFormat == 'png':
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      self.surface.write_to_png(fileObj)
 
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    elif self.outputFormat == 'pdf':
 
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      self.surface.finish()
 
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      pdfData = self.surfaceData.getvalue()
 
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      self.surfaceData.close()
 
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      fileObj.write(pdfData)
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    else:
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      metaData = {
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        'x': {