def latex2png(latex, filename, fontset='cm'):
latex = "$%s$" % latex
m = Mathtex(latex, 'bakoma')
if not os.path.exists(filename):
try:
m.save(filename)
except:
warnings.warn("Could not render math expression %s" % latex,
Warning)
sys.stdout.write("#")
sys.stdout.flush()
return m.depth
def latex2png(latex, filename, fontset='cm'):
latex = "$%s$" % latex
m = Mathtex(latex, 'bakoma')
if not os.path.exists(filename):
try:
m.save(filename)
except:
warnings.warn("Could not render math expression %s" % latex,
Warning)
sys.stdout.write("#")
sys.stdout.flush()
return m.depth
for fontsize, dpi, font in actual_presets:
count += 1
print "Test %d of %d ['%s' at (%.1f, %d, %s)]" % (count, total, name, fontsize, dpi, font)
key = (name, fontsize, dpi, font)
m = Mathtex(tex, fontset=font, fontsize=fontsize, dpi=dpi)
if options.gen_output:
# Generate the base file name
fn = os.path.join(os.path.dirname(__file__), "%s.%s.%dpt.%ddpi" % (name, font, fontsize, dpi))
# Produce the normal and reference file names
filenames[key] = (fn + ".png", fn + "-ref.png")
if options.update:
m.save(filenames[key][1])
else:
m.save(filenames[key][0])
glyphs[key] = extract_glyphs(m.glyphs)
rects[key] = m.rects
bitmap[key] = md5(m.as_rgba_bitmap()).hexdigest()
# Compare hashes against a previous run
if os.path.isfile(options.hashfile) and not options.update:
# Load the reference results set
fh = open(options.hashfile, "rb")
ref_glyphs = pickle.load(fh)
ref_rects = pickle.load(fh)
ref_bitmap = pickle.load(fh)
def onResult(self):
m = Mathtex (self.result_tex, self.mathfont, 26)
m.save('result.png', 'png')
img = wx.Image('result.png', wx.BITMAP_TYPE_ANY)
self.img_result.SetBitmap(wx.BitmapFromImage(img))
self.panel.Refresh()
# Import Mathtex and the appropriate font set
from mathtex.mathtex_main import Mathtex
from mathtex.fonts import UnicodeFonts
# Create the font set instance; if \bf and \it are not provided
# they will be the bold and italic versions of \rm
u = UnicodeFonts(rm='Times New Roman', sf='Arial')
# Create the expression object and save it as a PNG
m = Mathtex(r"${\it x} = {\rm x} = {\sf x} = {\bf x}$", u, 20)
m.save('unicode.png')
# Attempt to also save it as a PDF -- requires PyCairo
try:
m.save('unicode.pdf')
except:
print 'PDF output requires PyCairo.'
from mathtex.fonts import StixFonts
from mathtex.backends.backend_cairo import MathtexBackendCairo
from mathtex.backends.backend_image import MathtexBackendImage
parser = MathtexParser()
bakoma = BakomaFonts()
stix = StixFonts()
box = parser.parse(r"$x_{1,2}=\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$", stix, 18, 99.0)
#print box
rects, glyphs, bbox = ship(0, 0, box)
width = bbox[2] - bbox[0]
height = box.height
depth = box.depth
backend = MathtexBackendImage(99.0)
backend.set_canvas_size(box.width, box.height, box.depth)
backend.render(glyphs, rects)
backend.save('test.png', 'png')
"""
from mathtex.mathtex_main import Mathtex
from mathtex.fonts import UnicodeFonts
u = UnicodeFonts(rm="times new roman",it='times new roman:italic',bf='times new roman:bold')
m = Mathtex(r"$\sqrt{x^2} \times \frac{2}{3}$", u)
m.save('testnew.png', 'png')
actual_presets = [presets[int(i)] for i in options.presets.split(",")]
# For progress reports
total = len(actual_tests) * len(actual_presets)
count = 0
for (name, tex) in actual_tests.iteritems():
for fontsize, dpi, font in actual_presets:
count += 1
print "Test %d of %d ['%s' at (%.1f, %d, %s)]" % (count, total, name, fontsize, dpi, font)
m = Mathtex(tex, fontset=font, fontsize=fontsize, dpi=dpi)
if options.gen_output:
m.save(os.path.join(os.path.dirname(__file__), "%s.%s.%dpt.%ddpi.png" % (name, font, fontsize, dpi)))
key = (name, fontsize, dpi, font)
glyphs[key] = extract_glyphs(m.glyphs)
rects[key] = m.rects
bitmap[key] = md5(m.as_rgba_bitmap()).hexdigest()
# Compare hashes against a previous run
if os.path.isfile(options.hashfile) and not options.update:
# Load the reference results set
fh = open(options.hashfile, "rb")
ref_glyphs = pickle.load(fh)
ref_rects = pickle.load(fh)
ref_bitmap = pickle.load(fh)
print "Test %d of %d ['%s' at (%.1f, %d, %s)]" % (count, total, name,
fontsize, dpi, font)
key = (name, fontsize, dpi, font)
m = Mathtex(tex, fontset=font, fontsize=fontsize, dpi=dpi)
if options.gen_output:
# Generate the base file name
fn = os.path.join(os.path.dirname(__file__),
"%s.%s.%dpt.%ddpi" % (name, font, fontsize, dpi))
# Produce the normal and reference file names
filenames[key] = (fn + '.png', fn + '-ref.png')
if options.update:
m.save(filenames[key][1])
else:
m.save(filenames[key][0])
glyphs[key] = extract_glyphs(m.glyphs)
rects[key] = m.rects
bitmap[key] = md5(m.as_rgba_bitmap()).hexdigest()
# Compare hashes against a previous run
if os.path.isfile(options.hashfile) and not options.update:
# Load the reference results set
fh = open(options.hashfile, 'rb')
ref_glyphs = pickle.load(fh)
ref_rects = pickle.load(fh)
ref_bitmap = pickle.load(fh)
