def __init__(self,
expr,
fontset='bakoma',
fontsize=12,
dpi=100,
default_style='it',
cache=False):
# Hash the arguments
h = hash((expr, fontset, fontsize, dpi, default_style))
if is_string_like(fontset):
fontset = self.fontset_mapping[fontset](default_style)
# Check the cache first
if cache and h in self._cache:
self.boxmodel = self._cache[h]
# Parse the expression
else:
self.boxmodel = MathtexParser().parse(expr, fontset, fontsize, dpi)
if cache:
self._cache[h] = self.boxmodel
# Use ship to get a stream of glyphs and rectangles
bbox = ship(0, 0, self.boxmodel)[2]
self.rects, self.glyphs, bbox = ship(-bbox[0], 0, self.boxmodel)
# Calculate the exact width, height and depth
self.width = bbox[2] - bbox[0]
self.height = self.boxmodel.height
self.depth = self.boxmodel.depth
self.fontset = fontset
self.fontsize = fontsize
self.dpi = dpi
def __init__(self, expr, fontset = 'bakoma', fontsize = 12, dpi = 100,
default_style = 'it', cache=False):
# Hash the arguments
h = hash((expr, fontset, fontsize, dpi, default_style))
if is_string_like(fontset):
fontset = self.fontset_mapping[fontset](default_style)
# Check the cache first
if cache and h in self._cache:
self.boxmodel = self._cache[h]
# Parse the expression
else:
self.boxmodel = MathtexParser().parse(expr, fontset, fontsize,
dpi)
if cache:
self._cache[h] = self.boxmodel
# Use ship to get a stream of glyphs and rectangles
bbox = ship(0, 0, self.boxmodel)[2]
self.rects, self.glyphs, bbox = ship(-bbox[0], 0, self.boxmodel)
# Calculate the exact width, height and depth
self.width = bbox[2] - bbox[0]
self.height = self.boxmodel.height
self.depth = self.boxmodel.depth
self.fontset = fontset
self.fontsize = fontsize
self.dpi = dpi
def __init__(self):
gtk.DrawingArea.__init__(self)
self.parser = MathtexParser()
self.bakoma = BakomaFonts()
self.stix = StixFonts()
# # self.parser.parse(r"$R_{\mu\nu\rho}{}^{\sigma} = \nabla_\mu F_{\nu\rho}^\sigma$",
self.box = \
self.parser.parse(r"$x_{1,2}=\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$",
self.bakoma, 18, 99.0)
self.rects, self.glyphs, self.bbox = ship(0, 0, self.box)