qtvismach, a axis toolpath

class HALColor(Collection):
    def __init__(self, color1, color2, parts, comp, var):
        self.color1 = color1
        self.color2 = color2
        self.comp = comp
        self.var = var
        Collection.__init__(self, parts)

    def apply(self):
        try:
            if self.comp is None:
                v = hal.get_value(self.var)
            else:
                v = self.comp[self.var]
        except:
            v = 0
        if v : c = self.color1
        else: c = self.color2

        GL.glPushAttrib(GL.GL_LIGHTING_BIT)
        GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE, c)

    def unapply(self):
        GL.glPopAttrib()

link7 = HALColor([0.1,0.1,0.1,1], [1,1,0,1], [link7], c, "flipcolor",)

class HALColor(Collection):
    def __init__(self, parts, comp, var, alpha=1.0):
        self.comp = comp
        self.var = var
        self.alpha = float(alpha)
        Collection.__init__(self, parts)

    def apply(self):
        try:
            if self.comp is None:
                v = hal.get_value(self.var)
            else:
                v = self.comp[self.var]
        except:
            v = 0
        r = ((v & 0x000000FF) >> 0)/255
        g = ((v & 0x0000FF00) >> 8)/255
        b = ((v & 0x00FF0000) >> 16)/255
        c =[r,g,b,self.alpha]

        GL.glPushAttrib(GL.GL_LIGHTING_BIT)
        GL.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE, c)
        GL.glEnable(GL.GL_BLEND)
        GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA)

    def unapply(self):
        GL.glPopAttrib()
        GL.glDisable(GL.GL_BLEND)