pyvisi/py_src/text.py

"""
@author: John Ngui
@author: Lutz Gross
"""

import vtk
from style import Style
#from colormap import *

class Text:
    """
    Class that displays text.
    """

    def __init__(self, scene):
        """
        @type scene: L{Scene <scene.Scene>} object
        @param scene: Scene in which components are to be added to
        """

        self.scene = scene
        self.vtk_text_mapper = None
        self.vtk_text_actor = None

    def setText(self, text):
        """
        Setup the text mapper and its input together with the default settings.

        @type text: String
        @param text: Text to be displayed   
        """

        self.vtk_text_mapper = vtk.vtkTextMapper()
        self.vtk_text_mapper.SetInput(text)
        
        self.setActor()
        self.addActor()

    def setPosition(self, x_coor, y_coor):
        self.vtk_text_actor.SetDisplayPosition(x_coor, y_coor)

    def setStyle(self, style):
        self.vtk_text_mapper.SetTextProperty(style.getTextProperty())       


    def setActor(self):
        """
        Set up the 2D text actor, its mapper and its display position.
        """

        self.vtk_text_actor = vtk.vtkScaledTextActor()
        self.vtk_text_actor.SetMapper(self.vtk_text_mapper)
        self.vtk_text_actor.SetDisplayPosition(50, 20)

    def addActor(self):
        """
        Add the 2D text actor to the renderer.
        """

        self.scene.getRenderer().AddActor2D(self.vtk_text_actor)


1	"""
2	@author: John Ngui
3	@author: Lutz Gross
4	"""
5
6	import vtk
7	from style import Style
8	#from colormap import *
9
10	class Text:
11	"""
12	Class that displays text.
13	"""
14
15	def __init__(self, scene):
16	"""
17	@type scene: L{Scene <scene.Scene>} object
18	@param scene: Scene in which components are to be added to
19	"""
20
21	self.scene = scene
22	self.vtk_text_mapper = None
23	self.vtk_text_actor = None
24
25	def setText(self, text):
26	"""
27	Setup the text mapper and its input together with the default settings.
28
29	@type text: String
30	@param text: Text to be displayed
31	"""
32
33	self.vtk_text_mapper = vtk.vtkTextMapper()
34	self.vtk_text_mapper.SetInput(text)
35
36	self.setActor()
37	self.addActor()
38
39	def setPosition(self, x_coor, y_coor):
40	self.vtk_text_actor.SetDisplayPosition(x_coor, y_coor)
41
42	def setStyle(self, style):
43	self.vtk_text_mapper.SetTextProperty(style.getTextProperty())
44
45
46	def setActor(self):
47	"""
48	Set up the 2D text actor, its mapper and its display position.
49	"""
50
51	self.vtk_text_actor = vtk.vtkScaledTextActor()
52	self.vtk_text_actor.SetMapper(self.vtk_text_mapper)
53	self.vtk_text_actor.SetDisplayPosition(50, 20)
54
55	def addActor(self):
56	"""
57	Add the 2D text actor to the renderer.
58	"""
59
60	self.scene.getRenderer().AddActor2D(self.vtk_text_actor)
61
62
63