def testFreetypeTextMapper(self):
currentFontSize = 16
defaultText = "ABCDEFGHIJKLMnopqrstuvwxyz 0123456789 !@#$%()-=_+{};:,./<>?"
textColor = [246, 255, 11]
bgColor = [56, 56, 154]
for i in range(0, len(textColor)):
textColor[i] /= 255.0
bgColor[i] /= 255.0
renWin = vtk.vtkRenderWindow()
renWin.SetSize(790, 351)
ren = vtk.vtkRenderer()
ren.SetBackground(bgColor)
renWin.AddRenderer(ren)
families = ["Arial", "Courier", "Times"]
attributes = [[0, 0, 0], [0, 0, 1], [1, 0, 0], [0, 1, 0], [1, 1, 0]] # bold, italic, shadow
def SetAttributesText(attrib):
""" Expects a list of attributes of size 3, returns a string """
s = ""
if attrib[0] != 0:
s += "b"
if attrib[1] != 0:
s += "i"
if attrib[2] != 0:
s += "s"
return ",".join(list(s))
mapper = dict()
actor = dict()
pos = 0
for i, family in enumerate(families):
for j, attrib in enumerate(attributes):
pos += 1
txt = ""
txtAttrib = SetAttributesText(attrib)
if len(txtAttrib) != 0:
txt = family + " (" + SetAttributesText(attrib) + "): " + defaultText
else:
txt = family + ": " + defaultText
idx = "".join(map(str, [i, j]))
mapper.update({idx: vtk.vtkOpenGLFreeTypeTextMapper()})
mapper[idx].SetInput(txt)
tprop = mapper[idx].GetTextProperty()
eval("tprop.SetFontFamilyTo" + family + "()")
tprop.SetColor(textColor)
tprop.SetBold(attrib[0])
tprop.SetItalic(attrib[1])
tprop.SetShadow(attrib[2])
tprop.SetFontSize(currentFontSize)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
actor[idx].SetDisplayPosition(10, pos * (currentFontSize + 5))
ren.AddActor(actor[idx])
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
renWin.Render()
img_file = "TestFreetypeTextMapper.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
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.vtkOpenGLFreeTypeTextMapper()
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)
def testFreetypeTextMapperBigger(self):
currentFontSize = 55
defaultText = "MmNnKk @"
textColor = [246, 255, 11]
bgColor = [56, 56, 154]
for i in range(0, len(textColor)):
textColor[i] /= 255.0
bgColor[i] /= 255.0
renWin = vtk.vtkRenderWindow()
renWin.SetSize(790, 450)
ren = vtk.vtkRenderer()
ren.SetBackground(bgColor)
renWin.AddRenderer(ren)
families = ["Arial", "Courier", "Times"]
attributes = [[0, 0], [1, 1]] # bold, italic
def SetAttributesText(attrib):
""" Expects a list of attributes of size 2, returns a string """
s = ""
if attrib[0] != 0:
s += "b"
if attrib[1] != 0:
s += "i"
return ','.join(list(s))
mapper = dict()
actor = dict()
pos = 0
for i, family in enumerate(families):
for j, attrib in enumerate(attributes):
pos += 1
txt = ""
txtAttrib = SetAttributesText(attrib)
if len(txtAttrib) != 0:
txt = family + " (" + SetAttributesText(
attrib) + "): " + defaultText
else:
txt = family + ": " + defaultText
idx = ''.join(map(str, [i, j]))
mapper.update({idx: vtk.vtkOpenGLFreeTypeTextMapper()})
mapper[idx].SetInput(txt)
tprop = mapper[idx].GetTextProperty()
eval('tprop.SetFontFamilyTo' + family + '()')
tprop.SetColor(textColor)
tprop.SetBold(attrib[0])
tprop.SetItalic(attrib[1])
tprop.SetFontSize(currentFontSize)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
actor[idx].SetDisplayPosition(10, pos * (currentFontSize + 5))
ren.AddActor(actor[idx])
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
renWin.Render()
def testFreetypeTextMapperBigger(self):
currentFontSize = 55
defaultText = "MmNnKk @"
textColor = [246, 255, 11]
bgColor = [56, 56, 154]
for i in range(0, len(textColor)):
textColor[i] /= 255.0
bgColor[i] /= 255.0
renWin = vtk.vtkRenderWindow()
renWin.SetSize(790, 450)
ren = vtk.vtkRenderer()
ren.SetBackground(bgColor)
renWin.AddRenderer(ren)
families = ["Arial", "Courier", "Times"]
attributes = [[0, 0], [1, 1]] # bold, italic
def SetAttributesText(attrib):
""" Expects a list of attributes of size 2, returns a string """
s = ""
if attrib[0] != 0:
s += "b"
if attrib[1] != 0:
s += "i"
return ','.join(list(s))
mapper = dict()
actor = dict()
pos = 0
for i, family in enumerate(families):
for j, attrib in enumerate(attributes):
pos += 1
txt = ""
txtAttrib = SetAttributesText(attrib)
if len(txtAttrib) != 0:
txt = family + " (" + SetAttributesText(attrib) + "): " + defaultText
else:
txt = family + ": " + defaultText
idx = ''.join(map(str, [i, j]))
mapper.update({idx:vtk.vtkOpenGLFreeTypeTextMapper()})
mapper[idx].SetInput(txt)
tprop = mapper[idx].GetTextProperty()
eval('tprop.SetFontFamilyTo' + family + '()')
tprop.SetColor(textColor)
tprop.SetBold(attrib[0])
tprop.SetItalic(attrib[1])
tprop.SetFontSize(currentFontSize)
actor.update({idx:vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
actor[idx].SetDisplayPosition(10, pos * (currentFontSize + 5))
ren.AddActor(actor[idx])
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
renWin.Render()
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.vtkOpenGLFreeTypeTextMapper()
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)
def testFreetypeTextMapper(self):
currentFontSize = 16
defaultText = "ABCDEFGHIJKLMnopqrstuvwxyz 0123456789 !@#$%()-=_+{};:,./<>?"
textColor = [246, 255, 11]
bgColor = [56, 56, 154]
for i in range(0, len(textColor)):
textColor[i] /= 255.0
bgColor[i] /= 255.0
renWin = vtk.vtkRenderWindow()
renWin.SetSize(790, 351)
ren = vtk.vtkRenderer()
ren.SetBackground(bgColor)
renWin.AddRenderer(ren)
families = ["Arial", "Courier", "Times"]
attributes = [[0, 0, 0], [0, 0, 1], [1, 0, 0], [0, 1, 0],
[1, 1, 0]] # bold, italic, shadow
def SetAttributesText(attrib):
""" Expects a list of attributes of size 3, returns a string """
s = ""
if attrib[0] != 0:
s += "b"
if attrib[1] != 0:
s += "i"
if attrib[2] != 0:
s += "s"
return ','.join(list(s))
mapper = dict()
actor = dict()
pos = 0
for i, family in enumerate(families):
for j, attrib in enumerate(attributes):
pos += 1
txt = ""
txtAttrib = SetAttributesText(attrib)
if len(txtAttrib) != 0:
txt = family + " (" + SetAttributesText(
attrib) + "): " + defaultText
else:
txt = family + ": " + defaultText
idx = ''.join(map(str, [i, j]))
mapper.update({idx: vtk.vtkOpenGLFreeTypeTextMapper()})
mapper[idx].SetInput(txt)
tprop = mapper[idx].GetTextProperty()
eval('tprop.SetFontFamilyTo' + family + '()')
tprop.SetColor(textColor)
tprop.SetBold(attrib[0])
tprop.SetItalic(attrib[1])
tprop.SetShadow(attrib[2])
tprop.SetFontSize(currentFontSize)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
actor[idx].SetDisplayPosition(10, pos * (currentFontSize + 5))
ren.AddActor(actor[idx])
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
renWin.Render()
img_file = "TestFreetypeTextMapper.png"
vtk.test.Testing.compareImage(
iRen.GetRenderWindow(),
vtk.test.Testing.getAbsImagePath(img_file),
threshold=25)
vtk.test.Testing.interact()
