Output the text and boxes belonging to the most recent page. page = dvi._output()
(self)
| 284 | self.file.close() |
| 285 | |
| 286 | def _output(self): |
| 287 | """ |
| 288 | Output the text and boxes belonging to the most recent page. |
| 289 | page = dvi._output() |
| 290 | """ |
| 291 | minx = miny = np.inf |
| 292 | maxx = maxy = -np.inf |
| 293 | maxy_pure = -np.inf |
| 294 | for elt in self.text + self.boxes: |
| 295 | if isinstance(elt, Box): |
| 296 | x, y, h, w = elt |
| 297 | e = 0 # zero depth |
| 298 | else: # glyph |
| 299 | x, y, font, g, w = elt |
| 300 | h, e = font._height_depth_of(g) |
| 301 | minx = min(minx, x) |
| 302 | miny = min(miny, y - h) |
| 303 | maxx = max(maxx, x + w) |
| 304 | maxy = max(maxy, y + e) |
| 305 | maxy_pure = max(maxy_pure, y) |
| 306 | if self._baseline_v is not None: |
| 307 | maxy_pure = self._baseline_v # This should normally be the case. |
| 308 | self._baseline_v = None |
| 309 | |
| 310 | if not self.text and not self.boxes: # Avoid infs/nans from inf+/-inf. |
| 311 | return Page(text=[], boxes=[], width=0, height=0, descent=0) |
| 312 | |
| 313 | if self.dpi is None: |
| 314 | # special case for ease of debugging: output raw dvi coordinates |
| 315 | return Page(text=self.text, boxes=self.boxes, |
| 316 | width=maxx-minx, height=maxy_pure-miny, |
| 317 | descent=maxy-maxy_pure) |
| 318 | |
| 319 | # convert from TeX's "scaled points" to dpi units |
| 320 | d = self.dpi / (72.27 * 2**16) |
| 321 | descent = (maxy - maxy_pure) * d |
| 322 | |
| 323 | text = [Text((x-minx)*d, (maxy-y)*d - descent, f, g, w*d) |
| 324 | for (x, y, f, g, w) in self.text] |
| 325 | boxes = [Box((x-minx)*d, (maxy-y)*d - descent, h*d, w*d) |
| 326 | for (x, y, h, w) in self.boxes] |
| 327 | |
| 328 | return Page(text=text, boxes=boxes, width=(maxx-minx)*d, |
| 329 | height=(maxy_pure-miny)*d, descent=descent) |
| 330 | |
| 331 | def _read(self): |
| 332 | """ |
no test coverage detected