root/trunk/RBRapier/RBRapier/Formats/Attic/SVG.old/SVGSkin/ellipse.py

#!/usr/bin/env python
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
##~ License 
##~ 
##- The RuneBlade Foundation library is intended to ease some 
##- aspects of writing intricate Jabber, XML, and User Interface (wxPython, etc.) 
##- applications, while providing the flexibility to modularly change the 
##- architecture. Enjoy.
##~ 
##~ Copyright (C) 2002  TechGame Networks, LLC.
##~ 
##~ This library is free software; you can redistribute it and/or
##~ modify it under the terms of the BSD style License as found in the 
##~ LICENSE file included with this distribution.
##~ 
##~ TechGame Networks, LLC can be reached at:
##~ 3578 E. Hartsel Drive #211
##~ Colorado Springs, Colorado, USA, 80920
##~
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Imports 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

from SVGSkinObject import SVGSkinObject
from RenderItems.Shapes import ShapeRenderItem

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Definitions 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class EllipseRenderItem(ShapeRenderItem):
    def DisplayOn(self, renderer):
        renderer.DisplayEllipse(self)

    def InterpretSettings(self, settings):
        ShapeRenderItem.InterpretSettings(self, settings)
        self.cx = settings.get('cx', 0.)
        self.cy = settings.get('cy', 0.)
        self.rx = settings.get('rx', 0.)
        self.ry = settings.get('ry', 0.)

    #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    def GetCX(self):
        return self._cx
    def SetCX(self, value):
        self._cx = self._asCoord(value)
    cx = property(GetCX, SetCX)

    def GetCY(self):
        return self._cy
    def SetCY(self, value):
        self._cy = self._asCoord(value)
    cy = property(GetCY, SetCY)

    def GetRadius(self):
        raise ValueError, 'Ellipse "radius" can only be set, not read'
    def SetRadius(self, value):
        self.SetRX(value)
        self.SetRY(value)
    #r = radius = property(GetRadius, SetRadius)

    def GetRX(self, useRYifempty=True):
        try:
            return self._rx
        except AttributeError:
            if useRYifempty:
                return self.GetRY(self, useRXifempty=False)
    def SetRX(self, value):
        rx = self._asCoord(value)
        if rx < 0:
            raise ValueError, '"rx" attribute can not be negative"'
        self._rx = rx
    rx = property(GetRX, SetRX)

    def GetRY(self, useRXifempty=True):
        try:
            return self._ry
        except AttributeError:
            if useRXifempty:
                return self.GetRY(self, useRYifempty=False)
    def SetRY(self, value):
        ry = self._asCoord(value)
        if ry < 0:
            raise ValueError, '"ry" attribute can not be negative"'
        self._ry = ry
    ry = property(GetRY, SetRY)

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class ellipse(SVGSkinObject):
    RenderItemFactory = EllipseRenderItem