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#!/usr/bin/env python
import vtk
from vtk.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
current_font_size = 16
default_text = "ABCDEFGHIJKLMnopqrstuvwxyz"
text_color = (246/255.0, 255/255.0, 11/255.0)
bg_color = (56/255.0, 56/255.0, 154/255.0)
renWin = vtk.vtkRenderWindow()
renWin.SetSize(386, 120)
ren = vtk.vtkRenderer()
ren.SetBackground(bg_color)
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
i = 0
# another actor to test occlusion
plane = vtk.vtkPlaneSource()
plane.SetOrigin(120, 10, 0)
plane.SetPoint1(220, 10, 0)
plane.SetPoint2(120, 110, 0)
mapper = vtk.vtkPolyDataMapper2D()
mapper.SetInputConnection(plane.GetOutputPort())
actor = vtk.vtkActor2D()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(0.5, 0.5, 0.5)
ren.AddActor(actor)
for (bold,italic,shadow) in ((0,0,0),(0,0,1),(1,0,0),(0,1,0),(1,1,0)):
i = i + 1
attribs = []
if bold:
attribs.append("b")
if italic:
attribs.append("i")
if shadow:
attribs.append("s")
face_name = "Arial"
if attribs:
face_name = face_name + " (" + ",".join(attribs) + ")"
mapper = vtk.vtkTextMapper()
mapper.SetInput(face_name + ": " + default_text)
tprop = mapper.GetTextProperty()
tprop.SetFontFamilyToArial()
tprop.SetColor(text_color[0],text_color[1],text_color[2])
tprop.SetBold(bold)
tprop.SetItalic(italic)
tprop.SetShadow(shadow)
tprop.SetFontSize(current_font_size)
actor = vtk.vtkActor2D()
actor.SetMapper(mapper)
actor.SetDisplayPosition(10, i*(current_font_size+5))
ren.AddActor(actor)
iren.Initialize()
renWin.Render()
#iren.Start()
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