QgsRasterShader Class (PyQGIS)

Python 2.7.4 (default, Apr  6 2013, 19:54:46) [MSC v.1500 32 bit (Intel)] on zeito
## Type help(iface) for more info and list of methods.
help(QgsRasterShader)
Help on class QgsRasterShader in module qgis.core:

class QgsRasterShader(sip.wrapper)
 |  QgsRasterShader(float theMinimumValue=0, float theMaximumValue=255)
 |  QgsRasterShader(QgsRasterShader)
 |
 |  Method resolution order:
 |      QgsRasterShader
 |      sip.wrapper
 |      sip.simplewrapper
 |      __builtin__.object
 |
 |  Methods defined here:
 |
 |  maximumValue(...)
 |      QgsRasterShader.maximumValue() -> float
 |
 |  minimumValue(...)
 |      QgsRasterShader.minimumValue() -> float
 |
 |  rasterShaderFunction(...)
 |      QgsRasterShader.rasterShaderFunction() -> QgsRasterShaderFunction
 |
 |  readXML(...)
 |      QgsRasterShader.readXML(QDomElement)
 |
 |  setMaximumValue(...)
 |      QgsRasterShader.setMaximumValue(float)
 |
 |  setMinimumValue(...)
 |      QgsRasterShader.setMinimumValue(float)
 |
 |  setRasterShaderFunction(...)
 |      QgsRasterShader.setRasterShaderFunction(QgsRasterShaderFunction)
 |
 |  shade(...)
 |      QgsRasterShader.shade(float) -> (bool, int, int, int, int)
 |      QgsRasterShader.shade(float, float, float, float) -> (bool, int, int, int, int)
 |
 |  writeXML(...)
 |      QgsRasterShader.writeXML(QDomDocument, QDomElement)
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors defined here:
 |
 |  __weakref__
 |      list of weak references to the object (if defined)
 |
 |  ----------------------------------------------------------------------
 |  Methods inherited from sip.simplewrapper:
 |
 |  __init__(...)
 |      x.__init__(...) initializes x; see help(type(x)) for signature
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors inherited from sip.simplewrapper:
 |
 |  __dict__
 |
 |  ----------------------------------------------------------------------
 |  Data and other attributes inherited from sip.simplewrapper:
 |
 |  __new__ = <built-in method __new__ of sip.wrappertype object>
 |      T.__new__(S, ...) -> a new object with type S, a subtype of T