skins/tiling_infos.xml.py

   1 ##parameters
   2 from Products.CMFCore.utils import getToolByName
   3 from math import ceil
   4
   5 options = {}
   6 thumbSize = context.getThumbnailSize()
   7 options['thumbnailWidth'] = thumbSize['width']
   8 options['thumbnailHeight'] = thumbSize['height']
   9 options['tileSize'] = context.tileSize
  10
  11 options['zoomLevels'] = []
  12
  13 for zoom in context.getAvailableZooms() :
  14         level = int(zoom * 100)
  15         levelInfos = {}
  16         levelInfos['zoomlevel'] = level
  17         rawSize = (context.width, context.height)
  18         orientation = context.tiffOrientation()
  19         if orientation >= 5 :
  20                 rawSize = rawSize[::-1]
  21         size = map(lambda x: int(round(x*zoom)), rawSize)
  22         levelInfos['width'], levelInfos['height'] = size
  23
  24         nbTiles = map(lambda x : int(ceil(float(x) / context.tileSize)), size)
  25         levelInfos['tileX'], levelInfos['tileY'] = nbTiles
  26
  27         options['zoomLevels'].append(levelInfos)
  28
  29 context.REQUEST.RESPONSE.setHeader('Content-Type', 'text/xml;;charset=utf-8')
  30 return context.tiling_infos_template(**options)