+ def lines(self, image_map):
+ if self.box_width != 0:
+ return self._wrapped_lines(image_map)
+ else:
+ return self.text.splitlines()
+
+ def _prepare_glyph(self, image_map, glyph, current_words, lines):
+ size = self.font.size(' '.join(current_words[:-1] + ['']))
+ x = size[0] * EIGHT_BIT_SCALE + self.padding
+ y = size[1] * lines * EIGHT_BIT_SCALE + self.padding
+ for glyph_key in glyph.glyph_keys:
+ image_name, colour = MARKUP_MAP[glyph_key]
+ if colour is None:
+ colour = self.colour
+ image = resources.get_image(
+ image_name, transforms=(EIGHT_BIT, blender(colour)))
+ image_map[(x, y)] = image
+ x += image.get_width()
+
+ def _check_markup(self, word):
+ suffix = ''
+ if word[-1] in '.,':
+ suffix = word[-1]
+ word = word[:-1]
+
+ if not word:
+ return None
+ if word[0] == '{' and word[-1] == '}':
+ subwords = word[1:-1].split(',')
+ if all(subword in MARKUP_MAP for subword in subwords):
+ return Glyph(word + suffix, subwords, suffix)
+
+ return None
+
+ def _wrapped_lines(self, image_map):
+ def words_fit(words):
+ words_line = ' '.join(words)
+ width = self.font.size(words_line)[0] * EIGHT_BIT_SCALE
+ if width < self.box_width:
+ return True
+ elif len(words) == 1:
+ Exception("Word %r too long for box." % (words[0],))
+ return False
+
+ line_count = 0
+ for line in self.text.splitlines():
+ line = line.strip()
+ if not line:
+ line_count += 1
+ yield line
+ continue
+ current_words = []
+ remaining_words = line.split()
+ while remaining_words:
+ word = remaining_words.pop(0)
+ glyph = self._check_markup(word)
+ if glyph is not None:
+ word = glyph.text
+ current_words.append(word)
+ if words_fit(current_words):
+ if glyph is not None:
+ self._prepare_glyph(
+ image_map, glyph, current_words, line_count)
+ else:
+ line_count += 1
+ yield ' '.join(current_words[:-1])
+ current_words = []
+ if glyph is not None:
+ word = glyph.markup_text
+ remaining_words.insert(0, word)
+ if current_words and words_fit(current_words):
+ line_count += 1
+ yield ' '.join(current_words)
+