def set_font(self, font_tuple):
"""Set the current font to that specified by FONT_TUPLE, which
is of the form (SIZE, ITALIC?, BOLD?, TT?). Returns the
PostScript layer name of the font, and the font size in
points. """
# we *said* we wanted a tuple
if font_tuple is None: font_tuple = (None, None, None, None)
## utils.debug("set_font(%s)\n" % (font_tuple,))
set_sz, set_italic, set_bold, set_tt = font_tuple
# get the current font and break up the tuple
cur_sz, cur_family, cur_italic, cur_bold = self.font
# calculate size
new_sz = self.font_size(font_tuple)
# calculate variable vs. fixed base name
if set_tt: new_family = 'FONTF'
else: new_family = 'FONTV'
# add modifiers. Because of the way fonts are named, always
# add bold modifier before italics modifier, in case both are
# present
if set_bold: new_bold = 'B'
else: new_bold = ''
if set_italic: new_italic = 'I'
else: new_italic = ''
# save the current font specification
self.font = (new_sz, new_family, new_italic, new_bold)
# get the font nickname
fontnickname, new_sz = self.get_font()
# make sure the font object is instantiated
if not self.fontobjs.has_key(fontnickname):
psfontname = self.docfonts[fontnickname]
self.fontobjs[fontnickname] = fonts.font_from_name(psfontname)
## print fontnickname, "==>", self.fontobjs[fontnickname]
self.tw_func = self.fontobjs[fontnickname].text_width
self._fontsize = new_sz
# return the PostScript font definition and the size in points
return (fontnickname, new_sz)
def push_font_string(self, s, font):
if not font:
self.push_string_flowing(s)
return
if self._linestr:
self.close_string()
if not self._font.fontobjs.has_key(font):
self._font.fontobjs[font] = fonts.font_from_name(font)
fontobj = self._font.fontobjs[font]
size = self.get_fontsize()
width = fontobj.text_width(size, s)
if self._xpos + width > self.get_pagewidth():
self.close_line()
if self._baseline is None:
self._baseline = size
else:
self._baseline = max(self._baseline, size)
self._linefp.write('gsave\n /%s findfont %d scalefont setfont ' %
(font, size))
self._linefp.write('(%s) show\ngrestore %d 0 R\n' % (cook(s), width))
self._xpos = self._xpos + width
def push_font_string(self, s, font):
if not font:
self.push_string_flowing(s)
return
if self._linestr:
self.close_string()
if not self._font.fontobjs.has_key(font):
self._font.fontobjs[font] = fonts.font_from_name(font)
fontobj = self._font.fontobjs[font]
size = self.get_fontsize()
width = fontobj.text_width(size, s)
if self._xpos + width > self.get_pagewidth():
self.close_line()
if self._baseline is None:
self._baseline = size
else:
self._baseline = max(self._baseline, size)
self._linefp.write('gsave\n /%s findfont %d scalefont setfont '
% (font, size))
self._linefp.write('(%s) show\ngrestore %d 0 R\n' % (cook(s), width))
self._xpos = self._xpos + width
