Hi Attila,
I don't know the internals of how Pango deals with the different fonts for
putting them on a layout. I have bumped into utf8_casefold() and
utf8_normalize() before so I know fonts can get complicated. Maybe someone with
more knowledge than I have about this can help. The first thing that I would
try out is to change the font that is being drawn to see if that works. Maybe
you can get a font that Pango will draw correctly so that it can be converted
from txt to pdf and back again. Have you tested a few different fonts to see if
they do the same thing? Something like the following. I am doing some guessing
here.
Eric
...
def begin_print(self, operation, gtk_context):
self.page_width = gtk_context.get_width()
self.page_height = gtk_context.get_height()
pango_context = self.get_pango_context()
description = pango_context.get_font_description()
font = description.to_string()
print(font)
#Test some fonts.
new_font = Pango.FontDescription("Arial 20")
self.pango_layout = gtk_context.create_pango_layout()
self.pango_layout.set_font_description(new_font)
self.pango_layout.set_width(int(self.page_width*Pango.SCALE));
self.pango_layout.set_wrap(Pango.WrapMode.CHAR)
...
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