def on_inline_latex(self, window, tag):
"""Callback for inserting different latex objects based on tag"""
widget = self._widget_focus.get(window, None)
if isinstance(widget, gtk.TextView):
# Following gets the notebook
notebook = window.get_notebook()
if notebook is None:
return
nodes = window.get_selected_nodes()
if len(nodes) == 0:
return
else:
sibling = nodes[0]
datadir=self.get_base_dir()
imfile=icons[tag]
origfilename=os.path.join(datadir, imfile)
img = RichTextImage()
img.set_from_pixbuf(gdk.pixbuf_new_from_file(origfilename.encode()))
widget.get_buffer().insert_image(img, imfile)
image_path=os.path.join(sibling.get_path(), img.get_filename())
tagstr=_("%i") %(tag+3)
ReLoad = Updating(sibling,window.get_viewer(),widget)
dialog = dialog_latex.LaTeXDialog(ReLoad,tagstr,image_path)
dialog.show()
def latex2pixbuf(permeable,out_txt,latex_type):
"""
Converting latex objects to RichTextImage
"""
try:
# Set the working directory
workdir = tempfile.gettempdir()
if latex_type== "InlineEquation":
latex_name='formula.png'
origfilename=os.path.join(workdir,latex_name )
result_tag=math2png(out_txt[1:-1], origfilename,permeable)
if result_tag is -1:
result_tag=error2png(origfilename)
tag="3"
tex=out_txt[1:-1].encode()
caption=""
label=""
if latex_type== "Footnote":
latex_name='footnote.png'
origfilename=os.path.join(workdir,latex_name )
result_tag=footnote2png(origfilename)
tag="8"
tex=out_txt[10:-1].encode()
caption=""
label=""
if latex_type== "LaTeX":
latex_name='latex.png'
origfilename=os.path.join(workdir,latex_name )
result_tag=latex2png(out_txt, origfilename,permeable)
if result_tag is -1:
result_tag=error2png(origfilename)
tag="7"
tex=out_txt.encode()
caption=""
label=""
if latex_type== "Citation":
latex_name='cite.png'
origfilename=os.path.join(workdir,latex_name )
result_tag=cite2png(out_txt[14:-1], origfilename,permeable)
if result_tag is -1:
result_tag=error2png(origfilename)
tag="6"
tex=out_txt[14:-1].encode()
caption=""
label=""
if result_tag is not -1:
img = RichTextImage()
pixbuf=gdk.pixbuf_new_from_file(origfilename)
pixbuf.save(origfilename,"png", {"tEXt::tag":tag,"tEXt::label":label,\
"tEXt::caption":caption,"tEXt::tex":tex})
img.set_from_pixbuf(gdk.pixbuf_new_from_file(origfilename.encode()))
img.set_filename(latex_name)
else:
img=None
finally:
if os.path.exists(origfilename):
os.remove(origfilename)
return img
def on_inline_latex(self, window, tag):
"""Callback for inserting different latex objects based on tag"""
widget = self._widget_focus.get(window, None)
if isinstance(widget, gtk.TextView):
# Following gets the notebook
notebook = window.get_notebook()
if notebook is None:
return
nodes = window.get_selected_nodes()
if len(nodes) == 0:
return
else:
sibling = nodes[0]
datadir = self.get_base_dir()
imfile = icons[tag]
origfilename = os.path.join(datadir, imfile)
img = RichTextImage()
img.set_from_pixbuf(gdk.pixbuf_new_from_file(
origfilename.encode()))
widget.get_buffer().insert_image(img, imfile)
image_path = os.path.join(sibling.get_path(), img.get_filename())
tagstr = _("%i") % (tag + 3)
ReLoad = Updating(sibling, window.get_viewer(), widget)
dialog = dialog_latex.LaTeXDialog(ReLoad, tagstr, image_path)
dialog.show()
def latex2pixbuf(permeable, out_txt, latex_type):
"""
Converting latex objects to RichTextImage
"""
try:
# Set the working directory
workdir = tempfile.gettempdir()
if latex_type == "InlineEquation":
latex_name = 'formula.png'
origfilename = os.path.join(workdir, latex_name)
result_tag = math2png(out_txt[1:-1], origfilename, permeable)
if result_tag is -1:
result_tag = error2png(origfilename)
tag = "3"
tex = out_txt[1:-1].encode()
caption = ""
label = ""
if latex_type == "Footnote":
latex_name = 'footnote.png'
origfilename = os.path.join(workdir, latex_name)
result_tag = footnote2png(origfilename)
tag = "8"
tex = out_txt[10:-1].encode()
caption = ""
label = ""
if latex_type == "LaTeX":
latex_name = 'latex.png'
origfilename = os.path.join(workdir, latex_name)
result_tag = latex2png(out_txt, origfilename, permeable)
if result_tag is -1:
result_tag = error2png(origfilename)
tag = "7"
tex = out_txt.encode()
caption = ""
label = ""
if latex_type == "Citation":
latex_name = 'cite.png'
origfilename = os.path.join(workdir, latex_name)
result_tag = cite2png(out_txt[14:-1], origfilename, permeable)
if result_tag is -1:
result_tag = error2png(origfilename)
tag = "6"
tex = out_txt[14:-1].encode()
caption = ""
label = ""
if result_tag is not -1:
img = RichTextImage()
pixbuf = gdk.pixbuf_new_from_file(origfilename)
pixbuf.save(origfilename,"png", {"tEXt::tag":tag,"tEXt::label":label,\
"tEXt::caption":caption,"tEXt::tex":tex})
img.set_from_pixbuf(gdk.pixbuf_new_from_file(
origfilename.encode()))
img.set_filename(latex_name)
else:
img = None
finally:
if os.path.exists(origfilename):
os.remove(origfilename)
return img