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# -*- coding: utf-8 -*-
"""
***************************************************************************
OutputRaster.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from processing.outputs.Output import Output
from processing.tools import dataobjects
from processing.tools.system import *
class OutputRaster(Output):
compatible = None
def getFileFilter(self, alg):
providerExts = alg.provider.getSupportedOutputRasterLayerExtensions()
if providerExts == ['tif']:
# use default extensions
exts = dataobjects.getSupportedOutputRasterLayerExtensions()
else:
# use extensions given by the algorithm provider
exts = providerExts
for i in range(len(exts)):
exts[i] = exts[i].upper() + ' files(*.' + exts[i].lower() + ')'
return ';;'.join(exts)
def getDefaultFileExtension(self, alg):
return alg.provider.getSupportedOutputRasterLayerExtensions()[0]
def getCompatibleFileName(self, alg):
"""Returns a filename that is compatible with the algorithm
that is going to generate this output. If the algorithm
supports the file format of the current output value, it
returns that value. If not, it returns a temporary file with
a supported file format, to be used to generate the output
result.
"""
ext = self.value[self.value.rfind('.') + 1:]
if ext in alg.provider.getSupportedOutputRasterLayerExtensions():
return self.value
else:
if self.compatible is None:
self.compatible = getTempFilenameInTempFolder(self.name + '.'
+ self.getDefaultFileExtension(alg))
return self.compatible
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