Python matplotlib.mathtext.MathTextParser() Examples
The following are 30
code examples of matplotlib.mathtext.MathTextParser().
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example.
You may also want to check out all available functions/classes of the module
matplotlib.mathtext
, or try the search function
.
.
Example #1
| Source File: contour.py From twitter-stock-recommendation with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not isinstance(lev, six.string_types):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #2
| Source File: contour.py From matplotlib-4-abaqus with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not cbook.is_string_like(lev):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #3
| Source File: backend_agg.py From neural-network-animation with MIT License | 6 votes |
|
def __init__(self, width, height, dpi):
if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying')
RendererBase.__init__(self)
self.texd = maxdict(50) # a cache of tex image rasters
self.dpi = dpi
self.width = width
self.height = height
if __debug__: verbose.report('RendererAgg.__init__ width=%s, height=%s'%(width, height), 'debug-annoying')
self._renderer = _RendererAgg(int(width), int(height), dpi, debug=False)
self._filter_renderers = []
if __debug__: verbose.report('RendererAgg.__init__ _RendererAgg done',
'debug-annoying')
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
if __debug__: verbose.report('RendererAgg.__init__ done',
'debug-annoying')
Example #4
| Source File: backend_agg.py From matplotlib-4-abaqus with MIT License | 6 votes |
|
def __init__(self, width, height, dpi):
if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying')
RendererBase.__init__(self)
self.texd = maxdict(50) # a cache of tex image rasters
self.dpi = dpi
self.width = width
self.height = height
if __debug__: verbose.report('RendererAgg.__init__ width=%s, height=%s'%(width, height), 'debug-annoying')
self._renderer = _RendererAgg(int(width), int(height), dpi, debug=False)
self._filter_renderers = []
if __debug__: verbose.report('RendererAgg.__init__ _RendererAgg done',
'debug-annoying')
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
if __debug__: verbose.report('RendererAgg.__init__ done',
'debug-annoying')
Example #5
| Source File: contour.py From coffeegrindsize with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not isinstance(lev, str):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #6
| Source File: backend_agg.py From ImageFusion with MIT License | 6 votes |
|
def __init__(self, width, height, dpi):
if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying')
RendererBase.__init__(self)
self.texd = maxdict(50) # a cache of tex image rasters
self.dpi = dpi
self.width = width
self.height = height
if __debug__: verbose.report('RendererAgg.__init__ width=%s, height=%s'%(width, height), 'debug-annoying')
self._renderer = _RendererAgg(int(width), int(height), dpi, debug=False)
self._filter_renderers = []
if __debug__: verbose.report('RendererAgg.__init__ _RendererAgg done',
'debug-annoying')
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
if __debug__: verbose.report('RendererAgg.__init__ done',
'debug-annoying')
Example #7
| Source File: contour.py From neural-network-animation with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not cbook.is_string_like(lev):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #8
| Source File: contour.py From CogAlg with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not isinstance(lev, str):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text()._preprocess_math(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #9
| Source File: contour.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not isinstance(lev, str):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #10
| Source File: contour.py From GraphicDesignPatternByPython with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not isinstance(lev, str):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #11
| Source File: backend_agg.py From Computable with MIT License | 6 votes |
|
def __init__(self, width, height, dpi):
if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying')
RendererBase.__init__(self)
self.texd = maxdict(50) # a cache of tex image rasters
self.dpi = dpi
self.width = width
self.height = height
if __debug__: verbose.report('RendererAgg.__init__ width=%s, height=%s'%(width, height), 'debug-annoying')
self._renderer = _RendererAgg(int(width), int(height), dpi, debug=False)
self._filter_renderers = []
if __debug__: verbose.report('RendererAgg.__init__ _RendererAgg done',
'debug-annoying')
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
if __debug__: verbose.report('RendererAgg.__init__ done',
'debug-annoying')
Example #12
| Source File: contour.py From Computable with MIT License | 6 votes |
|
def get_label_width(self, lev, fmt, fsize):
"""
Return the width of the label in points.
"""
if not cbook.is_string_like(lev):
lev = self.get_text(lev, fmt)
lev, ismath = text.Text.is_math_text(lev)
if ismath == 'TeX':
if not hasattr(self, '_TeX_manager'):
self._TeX_manager = texmanager.TexManager()
lw, _, _ = self._TeX_manager.get_text_width_height_descent(lev,
fsize)
elif ismath:
if not hasattr(self, '_mathtext_parser'):
self._mathtext_parser = mathtext.MathTextParser('bitmap')
img, _ = self._mathtext_parser.parse(lev, dpi=72,
prop=self.labelFontProps)
lw = img.get_width() # at dpi=72, the units are PostScript points
else:
# width is much less than "font size"
lw = (len(lev)) * fsize * 0.6
return lw
Example #13
| Source File: backend_agg.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def __init__(self, width, height, dpi):
RendererBase.__init__(self)
self.dpi = dpi
self.width = width
self.height = height
self._renderer = _RendererAgg(int(width), int(height), dpi)
self._filter_renderers = []
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
Example #14
| Source File: test_mathtext.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def test_mathtext_exceptions(math, msg):
parser = mathtext.MathTextParser('agg')
with pytest.raises(ValueError) as excinfo:
parser.parse(math)
excinfo.match(re.escape(msg))
Example #15
| Source File: backend_ps.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def __init__(self, width, height, pswriter, imagedpi=72):
"""
Although postscript itself is dpi independent, we need to
imform the image code about a requested dpi to generate high
res images and them scale them before embeddin them
"""
RendererBase.__init__(self)
self.width = width
self.height = height
self._pswriter = pswriter
if rcParams['text.usetex']:
self.textcnt = 0
self.psfrag = []
self.imagedpi = imagedpi
# current renderer state (None=uninitialised)
self.color = None
self.linewidth = None
self.linejoin = None
self.linecap = None
self.linedash = None
self.fontname = None
self.fontsize = None
self._hatches = {}
self.image_magnification = imagedpi/72.0
self._clip_paths = {}
self._path_collection_id = 0
self.used_characters = {}
self.mathtext_parser = MathTextParser("PS")
self._afm_font_dir = os.path.join(
rcParams['datapath'], 'fonts', 'afm')
Example #16
| Source File: backend_pdf.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def __init__(self, file, image_dpi, height, width):
RendererBase.__init__(self)
self.height = height
self.width = width
self.file = file
self.gc = self.new_gc()
self.mathtext_parser = MathTextParser("Pdf")
self.image_dpi = image_dpi
Example #17
| Source File: backend_cairo.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def __init__(self, dpi):
self.dpi = dpi
self.gc = GraphicsContextCairo(renderer=self)
self.text_ctx = cairo.Context(
cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1))
self.mathtext_parser = MathTextParser('Cairo')
RendererBase.__init__(self)
Example #18
| Source File: backend_pdf.py From dnaplotlib with MIT License | 5 votes |
|
def __init__(self, file, image_dpi):
RendererBase.__init__(self)
self.file = file
self.gc = self.new_gc()
self.mathtext_parser = MathTextParser("Pdf")
self.image_dpi = image_dpi
self.tex_font_map = None
Example #19
| Source File: backend_agg.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def __init__(self, width, height, dpi):
RendererBase.__init__(self)
self.dpi = dpi
self.width = width
self.height = height
self._renderer = _RendererAgg(int(width), int(height), dpi)
self._filter_renderers = []
self._update_methods()
self.mathtext_parser = MathTextParser('Agg')
self.bbox = Bbox.from_bounds(0, 0, self.width, self.height)
Example #20
| Source File: backend_ps.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def __init__(self, width, height, pswriter, imagedpi=72):
"""
Although postscript itself is dpi independent, we need to
imform the image code about a requested dpi to generate high
res images and them scale them before embeddin them
"""
RendererBase.__init__(self)
self.width = width
self.height = height
self._pswriter = pswriter
if rcParams['text.usetex']:
self.textcnt = 0
self.psfrag = []
self.imagedpi = imagedpi
# current renderer state (None=uninitialised)
self.color = None
self.linewidth = None
self.linejoin = None
self.linecap = None
self.linedash = None
self.fontname = None
self.fontsize = None
self._hatches = {}
self.image_magnification = imagedpi/72.0
self._clip_paths = {}
self._path_collection_id = 0
self.used_characters = {}
self.mathtext_parser = MathTextParser("PS")
self._afm_font_dir = os.path.join(
rcParams['datapath'], 'fonts', 'afm')
Example #21
| Source File: backend_pdf.py From coffeegrindsize with MIT License | 5 votes |
|
def __init__(self, file, image_dpi, height, width):
RendererBase.__init__(self)
self.height = height
self.width = width
self.file = file
self.gc = self.new_gc()
self.mathtext_parser = MathTextParser("Pdf")
self.image_dpi = image_dpi
Example #22
| Source File: backend_cairo.py From coffeegrindsize with MIT License | 5 votes |
|
def __init__(self, dpi):
self.dpi = dpi
self.gc = GraphicsContextCairo(renderer=self)
self.text_ctx = cairo.Context(
cairo.ImageSurface(cairo.FORMAT_ARGB32, 1, 1))
self.mathtext_parser = MathTextParser('Cairo')
RendererBase.__init__(self)
Example #23
| Source File: backend_svg.py From GraphicDesignPatternByPython with MIT License | 5 votes |
|
def __init__(self, width, height, svgwriter, basename=None, image_dpi=72):
self.width = width
self.height = height
self.writer = XMLWriter(svgwriter)
self.image_dpi = image_dpi # the actual dpi we want to rasterize stuff with
self._groupd = {}
if not rcParams['svg.image_inline']:
assert basename is not None
self.basename = basename
self._imaged = {}
self._clipd = OrderedDict()
self._char_defs = {}
self._markers = {}
self._path_collection_id = 0
self._imaged = {}
self._hatchd = OrderedDict()
self._has_gouraud = False
self._n_gradients = 0
self._fonts = OrderedDict()
self.mathtext_parser = MathTextParser('SVG')
RendererBase.__init__(self)
self._glyph_map = dict()
str_height = short_float_fmt(height)
str_width = short_float_fmt(width)
svgwriter.write(svgProlog)
self._start_id = self.writer.start(
'svg',
width='%spt' % str_width,
height='%spt' % str_height,
viewBox='0 0 %s %s' % (str_width, str_height),
xmlns="http://www.w3.org/2000/svg",
version="1.1",
attrib={'xmlns:xlink': "http://www.w3.org/1999/xlink"})
self._write_default_style()
Example #24
| Source File: backend_macosx.py From ImageFusion with MIT License | 5 votes |
|
def __init__(self, dpi, width, height):
RendererBase.__init__(self)
self.dpi = dpi
self.width = width
self.height = height
self.gc = GraphicsContextMac()
self.gc.set_dpi(self.dpi)
self.mathtext_parser = MathTextParser('MacOSX')
Example #25
| Source File: backend_svg.py From ImageFusion with MIT License | 5 votes |
|
def __init__(self, width, height, svgwriter, basename=None, image_dpi=72):
self.width = width
self.height = height
self.writer = XMLWriter(svgwriter)
self.image_dpi = image_dpi # the actual dpi we want to rasterize stuff with
self._groupd = {}
if not rcParams['svg.image_inline']:
assert basename is not None
self.basename = basename
self._imaged = {}
self._clipd = {}
self._char_defs = {}
self._markers = {}
self._path_collection_id = 0
self._imaged = {}
self._hatchd = {}
self._has_gouraud = False
self._n_gradients = 0
self._fonts = {}
self.mathtext_parser = MathTextParser('SVG')
RendererBase.__init__(self)
self._glyph_map = dict()
svgwriter.write(svgProlog)
self._start_id = self.writer.start(
'svg',
width='%ipt' % width, height='%ipt' % height,
viewBox='0 0 %i %i' % (width, height),
xmlns="http://www.w3.org/2000/svg",
version="1.1",
attrib={'xmlns:xlink': "http://www.w3.org/1999/xlink"})
self._write_default_style()
Example #26
| Source File: backend_ps.py From ImageFusion with MIT License | 5 votes |
|
def __init__(self, width, height, pswriter, imagedpi=72):
"""
Although postscript itself is dpi independent, we need to
imform the image code about a requested dpi to generate high
res images and them scale them before embeddin them
"""
RendererBase.__init__(self)
self.width = width
self.height = height
self._pswriter = pswriter
if rcParams['text.usetex']:
self.textcnt = 0
self.psfrag = []
self.imagedpi = imagedpi
# current renderer state (None=uninitialised)
self.color = None
self.linewidth = None
self.linejoin = None
self.linecap = None
self.linedash = None
self.fontname = None
self.fontsize = None
self._hatches = {}
self.image_magnification = imagedpi/72.0
self._clip_paths = {}
self._path_collection_id = 0
self.used_characters = {}
self.mathtext_parser = MathTextParser("PS")
self._afm_font_dir = os.path.join(
rcParams['datapath'], 'fonts', 'afm')
Example #27
| Source File: backend_svg.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def __init__(self, width, height, svgwriter, basename=None, image_dpi=72):
self.width = width
self.height = height
self.writer = XMLWriter(svgwriter)
self.image_dpi = image_dpi # the actual dpi we want to rasterize stuff with
self._groupd = {}
if not rcParams['svg.image_inline']:
assert basename is not None
self.basename = basename
self._imaged = {}
self._clipd = OrderedDict()
self._char_defs = {}
self._markers = {}
self._path_collection_id = 0
self._imaged = {}
self._hatchd = OrderedDict()
self._has_gouraud = False
self._n_gradients = 0
self._fonts = OrderedDict()
self.mathtext_parser = MathTextParser('SVG')
RendererBase.__init__(self)
self._glyph_map = dict()
str_height = short_float_fmt(height)
str_width = short_float_fmt(width)
svgwriter.write(svgProlog)
self._start_id = self.writer.start(
'svg',
width='%spt' % str_width,
height='%spt' % str_height,
viewBox='0 0 %s %s' % (str_width, str_height),
xmlns="http://www.w3.org/2000/svg",
version="1.1",
attrib={'xmlns:xlink': "http://www.w3.org/1999/xlink"})
self._write_default_style()
Example #28
| Source File: textpath.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def __init__(self):
self.mathtext_parser = MathTextParser('path')
self._texmanager = None
Example #29
| Source File: backend_pdf.py From ImageFusion with MIT License | 5 votes |
|
def __init__(self, file, image_dpi):
RendererBase.__init__(self)
self.file = file
self.gc = self.new_gc()
self.mathtext_parser = MathTextParser("Pdf")
self.image_dpi = image_dpi
self.tex_font_map = None
Example #30
| Source File: backend_cairo.py From ImageFusion with MIT License | 5 votes |
|
def __init__(self, dpi):
"""
"""
if _debug: print('%s.%s()' % (self.__class__.__name__, _fn_name()))
self.dpi = dpi
self.gc = GraphicsContextCairo (renderer=self)
self.text_ctx = cairo.Context (
cairo.ImageSurface (cairo.FORMAT_ARGB32,1,1))
self.mathtext_parser = MathTextParser('Cairo')
RendererBase.__init__(self)
