diff --git a/lib/matplotlib/_text_helpers.py b/lib/matplotlib/_text_helpers.py index 75d84997be9f..18bfb550c90b 100644 --- a/lib/matplotlib/_text_helpers.py +++ b/lib/matplotlib/_text_helpers.py @@ -9,7 +9,7 @@ LayoutItem = dataclasses.make_dataclass( - "LayoutItem", ["char", "glyph_idx", "x", "prev_kern"]) + "LayoutItem", ["ft_object", "char", "glyph_idx", "x", "prev_kern"]) def warn_on_missing_glyph(codepoint): @@ -57,12 +57,18 @@ def layout(string, font, *, kern_mode=KERNING_DEFAULT): """ x = 0 prev_glyph_idx = None + char_to_font = font._get_fontmap(string) + base_font = font for char in string: + # This has done the fallback logic + font = char_to_font.get(char, base_font) glyph_idx = font.get_char_index(ord(char)) - kern = (font.get_kerning(prev_glyph_idx, glyph_idx, kern_mode) / 64 - if prev_glyph_idx is not None else 0.) + kern = ( + base_font.get_kerning(prev_glyph_idx, glyph_idx, kern_mode) / 64 + if prev_glyph_idx is not None else 0. + ) x += kern glyph = font.load_glyph(glyph_idx, flags=LOAD_NO_HINTING) - yield LayoutItem(char, glyph_idx, x, kern) + yield LayoutItem(font, char, glyph_idx, x, kern) x += glyph.linearHoriAdvance / 65536 prev_glyph_idx = glyph_idx diff --git a/lib/matplotlib/backends/_backend_pdf_ps.py b/lib/matplotlib/backends/_backend_pdf_ps.py index 65d38eb5a542..4ab23915e9e2 100644 --- a/lib/matplotlib/backends/_backend_pdf_ps.py +++ b/lib/matplotlib/backends/_backend_pdf_ps.py @@ -65,7 +65,9 @@ def __init__(self): def track(self, font, s): """Record that string *s* is being typeset using font *font*.""" - self.used.setdefault(font.fname, set()).update(map(ord, s)) + char_to_font = font._get_fontmap(s) + for _c, _f in char_to_font.items(): + self.used.setdefault(_f.fname, set()).add(ord(_c)) def track_glyph(self, font, glyph): """Record that codepoint *glyph* is being typeset using font *font*.""" @@ -135,8 +137,8 @@ def _get_font_afm(self, prop): return _cached_get_afm_from_fname(fname) def _get_font_ttf(self, prop): - fname = font_manager.findfont(prop) - font = font_manager.get_font(fname) + fnames = font_manager.fontManager._find_fonts_by_props(prop) + font = font_manager.get_font(fnames) font.clear() font.set_size(prop.get_size_in_points(), 72) return font diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py index 904665bf2b36..c7955d409587 100644 --- a/lib/matplotlib/backends/backend_pdf.py +++ b/lib/matplotlib/backends/backend_pdf.py @@ -32,7 +32,9 @@ RendererBase) from matplotlib.backends.backend_mixed import MixedModeRenderer from matplotlib.figure import Figure -from matplotlib.font_manager import findfont, get_font +from matplotlib.font_manager import ( + findfont, get_font, fontManager as _fontManager +) from matplotlib._afm import AFM from matplotlib.ft2font import (FIXED_WIDTH, ITALIC, LOAD_NO_SCALE, LOAD_NO_HINTING, KERNING_UNFITTED, FT2Font) @@ -925,20 +927,28 @@ def fontName(self, fontprop): """ if isinstance(fontprop, str): - filename = fontprop + filenames = [fontprop] elif mpl.rcParams['pdf.use14corefonts']: - filename = findfont( - fontprop, fontext='afm', directory=RendererPdf._afm_font_dir) + filenames = _fontManager._find_fonts_by_props( + fontprop, fontext='afm', directory=RendererPdf._afm_font_dir + ) else: - filename = findfont(fontprop) - - Fx = self.fontNames.get(filename) - if Fx is None: - Fx = next(self._internal_font_seq) - self.fontNames[filename] = Fx - _log.debug('Assigning font %s = %r', Fx, filename) - - return Fx + filenames = _fontManager._find_fonts_by_props(fontprop) + first_Fx = None + for fname in filenames: + Fx = self.fontNames.get(fname) + if not first_Fx: + first_Fx = Fx + if Fx is None: + Fx = next(self._internal_font_seq) + self.fontNames[fname] = Fx + _log.debug('Assigning font %s = %r', Fx, fname) + if not first_Fx: + first_Fx = Fx + + # find_fontsprop's first value always adheres to + # findfont's value, so technically no behaviour change + return first_Fx def dviFontName(self, dvifont): """ @@ -1204,7 +1214,6 @@ def get_char_width(charcode): width = font.load_char( s, flags=LOAD_NO_SCALE | LOAD_NO_HINTING).horiAdvance return cvt(width) - with warnings.catch_warnings(): # Ignore 'Required glyph missing from current font' warning # from ft2font: here we're just building the widths table, but @@ -2389,22 +2398,27 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None): # the regular text show command (TJ) with appropriate kerning between # chunks, whereas multibyte characters use the XObject command (Do). else: - # List of (start_x, [prev_kern, char, char, ...]), w/o zero kerns. + # List of (ft_object, start_x, [prev_kern, char, char, ...]), + # w/o zero kerns. singlebyte_chunks = [] - # List of (start_x, glyph_index). + # List of (ft_object, start_x, glyph_index). multibyte_glyphs = [] prev_was_multibyte = True + prev_font = font for item in _text_helpers.layout( s, font, kern_mode=KERNING_UNFITTED): if _font_supports_glyph(fonttype, ord(item.char)): - if prev_was_multibyte: - singlebyte_chunks.append((item.x, [])) + if prev_was_multibyte or item.ft_object != prev_font: + singlebyte_chunks.append((item.ft_object, item.x, [])) + prev_font = item.ft_object if item.prev_kern: - singlebyte_chunks[-1][1].append(item.prev_kern) - singlebyte_chunks[-1][1].append(item.char) + singlebyte_chunks[-1][2].append(item.prev_kern) + singlebyte_chunks[-1][2].append(item.char) prev_was_multibyte = False else: - multibyte_glyphs.append((item.x, item.glyph_idx)) + multibyte_glyphs.append( + (item.ft_object, item.x, item.glyph_idx) + ) prev_was_multibyte = True # Do the rotation and global translation as a single matrix # concatenation up front @@ -2414,10 +2428,12 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None): -math.sin(a), math.cos(a), x, y, Op.concat_matrix) # Emit all the 1-byte characters in a BT/ET group. - self.file.output(Op.begin_text, - self.file.fontName(prop), fontsize, Op.selectfont) + + self.file.output(Op.begin_text) prev_start_x = 0 - for start_x, kerns_or_chars in singlebyte_chunks: + for ft_object, start_x, kerns_or_chars in singlebyte_chunks: + ft_name = self.file.fontName(ft_object.fname) + self.file.output(ft_name, fontsize, Op.selectfont) self._setup_textpos(start_x, 0, 0, prev_start_x, 0, 0) self.file.output( # See pdf spec "Text space details" for the 1000/fontsize @@ -2429,8 +2445,10 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None): prev_start_x = start_x self.file.output(Op.end_text) # Then emit all the multibyte characters, one at a time. - for start_x, glyph_idx in multibyte_glyphs: - self._draw_xobject_glyph(font, fontsize, glyph_idx, start_x, 0) + for ft_object, start_x, glyph_idx in multibyte_glyphs: + self._draw_xobject_glyph( + ft_object, fontsize, glyph_idx, start_x, 0 + ) self.file.output(Op.grestore) def _draw_xobject_glyph(self, font, fontsize, glyph_idx, x, y): diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py index 0ce2a20360da..c30267fd18a9 100644 --- a/lib/matplotlib/backends/backend_ps.py +++ b/lib/matplotlib/backends/backend_ps.py @@ -631,7 +631,7 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None): if mpl.rcParams['ps.useafm']: font = self._get_font_afm(prop) scale = 0.001 * prop.get_size_in_points() - + stream = [] thisx = 0 last_name = None # kerns returns 0 for None. xs_names = [] @@ -647,21 +647,36 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None): thisx += kern * scale xs_names.append((thisx, name)) thisx += width * scale + ps_name = (font.postscript_name + .encode("ascii", "replace").decode("ascii")) + stream.append((ps_name, xs_names)) else: font = self._get_font_ttf(prop) - font.set_text(s, 0, flags=LOAD_NO_HINTING) self._character_tracker.track(font, s) - xs_names = [(item.x, font.get_glyph_name(item.glyph_idx)) - for item in _text_helpers.layout(s, font)] + stream = [] + prev_font = curr_stream = None + for item in _text_helpers.layout(s, font): + ps_name = (item.ft_object.postscript_name + .encode("ascii", "replace").decode("ascii")) + if item.ft_object is not prev_font: + if curr_stream: + stream.append(curr_stream) + prev_font = item.ft_object + curr_stream = [ps_name, []] + curr_stream[1].append( + (item.x, item.ft_object.get_glyph_name(item.glyph_idx)) + ) + # append the last entry + stream.append(curr_stream) self.set_color(*gc.get_rgb()) - ps_name = (font.postscript_name - .encode("ascii", "replace").decode("ascii")) - self.set_font(ps_name, prop.get_size_in_points()) - thetext = "\n".join(f"{x:g} 0 m /{name:s} glyphshow" - for x, name in xs_names) - self._pswriter.write(f"""\ + + for ps_name, xs_names in stream: + self.set_font(ps_name, prop.get_size_in_points(), False) + thetext = "\n".join(f"{x:g} 0 m /{name:s} glyphshow" + for x, name in xs_names) + self._pswriter.write(f"""\ gsave {self._get_clip_cmd(gc)} {x:g} {y:g} translate diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py index 4f30243db547..37dd638bd5fa 100644 --- a/lib/matplotlib/backends/backend_svg.py +++ b/lib/matplotlib/backends/backend_svg.py @@ -1130,7 +1130,8 @@ def _draw_text_as_text(self, gc, x, y, s, prop, angle, ismath, mtext=None): font_parts.append(f'{weight}') font_parts.extend([ f'{_short_float_fmt(prop.get_size())}px', - f'{prop.get_family()[0]!r}', # ensure quoting + # ensure quoting + f'{", ".join(repr(f) for f in prop.get_family())}', ]) style['font'] = ' '.join(font_parts) if prop.get_stretch() != 'normal': diff --git a/lib/matplotlib/testing/_markers.py b/lib/matplotlib/testing/_markers.py index df3ebb08cf8c..fa7885151e33 100644 --- a/lib/matplotlib/testing/_markers.py +++ b/lib/matplotlib/testing/_markers.py @@ -8,6 +8,7 @@ import pytest import matplotlib.testing +import matplotlib.testing.compare from matplotlib import _get_executable_info, ExecutableNotFoundError diff --git a/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type3.pdf b/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type3.pdf new file mode 100644 index 000000000000..a148a7d571b1 Binary files /dev/null and b/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type3.pdf differ diff --git a/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type42.pdf b/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type42.pdf new file mode 100644 index 000000000000..e33f8d803b12 Binary files /dev/null and b/lib/matplotlib/tests/baseline_images/test_backend_pdf/multi_font_type42.pdf differ diff --git a/lib/matplotlib/tests/baseline_images/test_backend_ps/multi_font_type3.eps b/lib/matplotlib/tests/baseline_images/test_backend_ps/multi_font_type3.eps new file mode 100644 index 000000000000..efc8fc9416a7 --- /dev/null +++ b/lib/matplotlib/tests/baseline_images/test_backend_ps/multi_font_type3.eps @@ -0,0 +1,521 @@ +%!PS-Adobe-3.0 EPSF-3.0 +%%Title: multi_font_type3.eps +%%Creator: Matplotlib v3.6.0.dev2856+g4848cedd6d.d20220807, https://matplotlib.org/ +%%CreationDate: Sun Aug 7 16:45:01 2022 +%%Orientation: portrait +%%BoundingBox: 18 180 594 612 +%%HiResBoundingBox: 18.000000 180.000000 594.000000 612.000000 +%%EndComments +%%BeginProlog +/mpldict 12 dict def +mpldict begin +/_d { bind def } bind def +/m { moveto } _d +/l { lineto } _d +/r { rlineto } _d +/c { curveto } _d +/cl { closepath } _d +/ce { closepath eofill } _d +/box { + m + 1 index 0 r + 0 exch r + neg 0 r + cl + } _d +/clipbox { + box + clip + newpath + } _d +/sc { setcachedevice } _d +%!PS-Adobe-3.0 Resource-Font +%%Creator: Converted from TrueType to Type 3 by Matplotlib. +10 dict begin +/FontName /DejaVuSans def +/PaintType 0 def +/FontMatrix [0.00048828125 0 0 0.00048828125 0 0] def +/FontBBox [-2090 -948 3673 2524] def +/FontType 3 def +/Encoding [/space /exclam /b /a /e /h /i /n /r /T /t /w] def +/CharStrings 13 dict dup begin +/.notdef 0 def +/space{651 0 0 0 0 0 sc +ce} _d +/exclam{821 0 309 0 512 1493 sc +309 254 m +512 254 l +512 0 l +309 0 l +309 254 l + +309 1493 m +512 1493 l +512 838 l +492 481 l +330 481 l +309 838 l +309 1493 l + +ce} _d +/b{1300 0 186 -29 1188 1556 sc +997 559 m +997 694 969 800 913 877 c +858 954 781 993 684 993 c +587 993 510 954 454 877 c +399 800 371 694 371 559 c +371 424 399 317 454 240 c +510 163 587 125 684 125 c +781 125 858 163 913 240 c +969 317 997 424 997 559 c + +371 950 m +410 1017 458 1066 517 1098 c +576 1131 647 1147 729 1147 c +865 1147 975 1093 1060 985 c +1145 877 1188 735 1188 559 c +1188 383 1145 241 1060 133 c +975 25 865 -29 729 -29 c +647 -29 576 -13 517 19 c +458 52 410 101 371 168 c +371 0 l +186 0 l +186 1556 l +371 1556 l +371 950 l + +ce} _d +/a{1255 0 123 -29 1069 1147 sc +702 563 m +553 563 450 546 393 512 c +336 478 307 420 307 338 c +307 273 328 221 371 182 c +414 144 473 125 547 125 c +649 125 731 161 792 233 c +854 306 885 402 885 522 c +885 563 l +702 563 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659 c +967 660 l + +ce} _d +/h{1298 0 186 0 1124 1556 sc +1124 676 m +1124 0 l +940 0 l +940 670 l +940 776 919 855 878 908 c +837 961 775 987 692 987 c +593 987 514 955 457 892 c +400 829 371 742 371 633 c +371 0 l +186 0 l +186 1556 l +371 1556 l +371 946 l +415 1013 467 1064 526 1097 c +586 1130 655 1147 733 1147 c +862 1147 959 1107 1025 1027 c +1091 948 1124 831 1124 676 c + +ce} _d +/i{569 0 193 0 377 1556 sc +193 1120 m +377 1120 l +377 0 l +193 0 l +193 1120 l + +193 1556 m +377 1556 l +377 1323 l +193 1323 l +193 1556 l + +ce} _d +/n{1298 0 186 0 1124 1147 sc +1124 676 m +1124 0 l +940 0 l +940 670 l +940 776 919 855 878 908 c +837 961 775 987 692 987 c +593 987 514 955 457 892 c +400 829 371 742 371 633 c +371 0 l +186 0 l +186 1120 l +371 1120 l +371 946 l +415 1013 467 1064 526 1097 c +586 1130 655 1147 733 1147 c +862 1147 959 1107 1025 1027 c +1091 948 1124 831 1124 676 c + +ce} _d +/r{842 0 186 0 842 1147 sc +842 948 m +821 960 799 969 774 974 c +750 980 723 983 694 983 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true 3 1 roll get exec + end +} _d + +/BuildChar { + 1 index /Encoding get exch get + 1 index /BuildGlyph get exec +} _d + +FontName currentdict end definefont pop +%!PS-Adobe-3.0 Resource-Font +%%Creator: Converted from TrueType to Type 3 by Matplotlib. +10 dict begin +/FontName /WenQuanYiZenHei def +/PaintType 0 def +/FontMatrix [0.0009765625 0 0 0.0009765625 0 0] def +/FontBBox [-129 -304 1076 986] def +/FontType 3 def +/Encoding [/uni51E0 /uni6C49 /uni4E2A /uni5B57] def +/CharStrings 5 dict dup begin +/.notdef 0 def +/uni51E0{1024 0 34 -126 1004 818 sc +935 257 m +947 232 970 219 1004 217 c +974 -26 l +973 -40 968 -51 960 -60 c +955 -63 950 -65 943 -65 c +729 -65 l +697 -65 670 -55 649 -34 c +628 -14 617 12 615 43 c +614 75 613 193 613 397 c +613 602 614 719 616 748 c +393 748 l +394 395 l +391 256 361 144 302 58 c +250 -21 184 -82 104 -126 c +89 -96 66 -77 34 -68 c +119 -34 188 23 240 103 c +292 184 318 281 318 395 c +317 818 l +692 818 l +692 55 l +692 42 695 30 702 20 c +709 11 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l +544 -21 545 -72 547 -123 c + +980 427 m +955 410 939 387 931 358 c +846 384 767 429 695 494 c +624 559 563 631 514 711 c +383 520 236 378 71 285 c +59 314 40 337 14 354 c +113 405 204 471 285 550 c +367 630 433 724 484 833 c +499 822 515 813 531 805 c +537 808 l +542 800 l +549 796 557 792 564 789 c +555 775 l +614 672 682 590 759 531 c +824 484 898 450 980 427 c + +ce} _d +/uni5B57{1024 0 32 -132 982 872 sc +982 285 m +980 264 980 243 982 222 c +943 224 904 225 865 225 c +555 225 l +555 -29 l +555 -54 545 -76 525 -95 c +496 -120 444 -132 368 -131 c +376 -98 368 -68 344 -43 c +366 -46 392 -47 422 -47 c +452 -48 470 -46 475 -42 c +480 -38 483 -27 483 -9 c +483 225 l +148 225 l +109 225 71 224 32 222 c +34 243 34 264 32 285 c +71 283 109 282 148 282 c +483 282 l +483 355 l +648 506 l +317 506 l +278 506 239 505 200 503 c +203 524 203 545 200 566 c +239 564 278 563 317 563 c +761 563 l +769 498 l +748 493 730 483 714 469 c +555 323 l +555 282 l +865 282 l +904 282 943 283 982 285 c + 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+00080165002800D10012000200000001000100000040002E0006000200>]def +/CharStrings 5 dict dup begin +/.notdef 0 def +/uni51E0 5 def +/uni6C49 7 def +/uni4E2A 4 def +/uni5B57 6 def +end readonly def + +systemdict/resourcestatus known + {42 /FontType resourcestatus + {pop pop false}{true}ifelse} + {true}ifelse +{/TrueDict where{pop}{(%%[ Error: no TrueType rasterizer ]%%)= flush}ifelse +/FontType 3 def + /TrueState 271 string def + TrueDict begin sfnts save + 72 0 matrix defaultmatrix dtransform dup + mul exch dup mul add sqrt cvi 0 72 matrix + defaultmatrix dtransform dup mul exch dup + mul add sqrt cvi 3 -1 roll restore + TrueState initer end + /BuildGlyph{exch begin + CharStrings dup 2 index known + {exch}{exch pop /.notdef}ifelse + get dup xcheck + {currentdict systemdict begin begin exec end end} + {TrueDict begin /bander load cvlit exch TrueState render end} + ifelse + end}bind def + /BuildChar{ + 1 index /Encoding get exch get + 1 index /BuildGlyph get exec + }bind def +}if + +FontName currentdict end definefont pop +end +%%EndProlog +mpldict begin +18 180 translate +576 432 0 0 clipbox +gsave +0 0 m +576 0 l +576 432 l +0 432 l +cl +1.000 setgray +fill +grestore +0.000 setgray +/DejaVuSans 27.000 selectfont +gsave + +86.4 205.2 translate +0 rotate +0.000000 0 m /T glyphshow +16.492676 0 m /h glyphshow +33.604980 0 m /e glyphshow +50.216309 0 m /r glyphshow +61.316895 0 m /e glyphshow +77.928223 0 m /space glyphshow +86.510742 0 m /a glyphshow +103.056152 0 m /r glyphshow +114.156738 0 m /e glyphshow +130.768066 0 m /space glyphshow +grestore +/WenQuanYiZenHei 27.000 selectfont +gsave + +86.4 205.2 translate +0 rotate +139.350586 0 m /uni51E0 glyphshow +166.350586 0 m /uni4E2A glyphshow +193.350586 0 m /uni6C49 glyphshow +220.350586 0 m /uni5B57 glyphshow +grestore +/DejaVuSans 27.000 selectfont +gsave + +86.4 205.2 translate +0 rotate +247.350586 0 m /space glyphshow +255.933105 0 m /i glyphshow +263.434570 0 m /n glyphshow +280.546875 0 m /space glyphshow +289.129395 0 m /b glyphshow +306.268066 0 m /e glyphshow +322.879395 0 m /t glyphshow +333.465820 0 m /w glyphshow +355.548340 0 m /e glyphshow +372.159668 0 m /e glyphshow +388.770996 0 m /n glyphshow +405.883301 0 m /exclam glyphshow +grestore + +end +showpage diff --git a/lib/matplotlib/tests/baseline_images/test_backend_svg/bold_font_output_with_none_fonttype.svg b/lib/matplotlib/tests/baseline_images/test_backend_svg/bold_font_output_with_none_fonttype.svg index 20526ec9476e..af3d2e7a8f3c 100644 --- a/lib/matplotlib/tests/baseline_images/test_backend_svg/bold_font_output_with_none_fonttype.svg +++ b/lib/matplotlib/tests/baseline_images/test_backend_svg/bold_font_output_with_none_fonttype.svg @@ -10,61 +10,61 @@ - - - - - - - - @@ -73,8 +73,8 @@ L 0 -4 - @@ -82,7 +82,7 @@ L 0 4 - 0 + 0 @@ -97,7 +97,7 @@ L 0 4 - 1 + 1 @@ -112,7 +112,7 @@ L 0 4 - 2 + 2 @@ -127,7 +127,7 @@ L 0 4 - 3 + 3 @@ -142,7 +142,7 @@ L 0 4 - 4 + 4 @@ -157,7 +157,7 @@ L 0 4 - 5 + 5 @@ -172,7 +172,7 @@ L 0 4 - 6 + 6 @@ -187,7 +187,7 @@ L 0 4 - 7 + 7 @@ -202,7 +202,7 @@ L 0 4 - 8 + 8 @@ -217,19 +217,19 @@ L 0 4 - 9 + 9 - nonbold-xlabel + nonbold-xlabel - @@ -238,8 +238,8 @@ L 4 0 - @@ -247,7 +247,7 @@ L -4 0 - 0 + 0 @@ -262,7 +262,7 @@ L -4 0 - 1 + 1 @@ -277,7 +277,7 @@ L -4 0 - 2 + 2 @@ -292,7 +292,7 @@ L -4 0 - 3 + 3 @@ -307,7 +307,7 @@ L -4 0 - 4 + 4 @@ -322,7 +322,7 @@ L -4 0 - 5 + 5 @@ -337,7 +337,7 @@ L -4 0 - 6 + 6 @@ -352,7 +352,7 @@ L -4 0 - 7 + 7 @@ -367,7 +367,7 @@ L -4 0 - 8 + 8 @@ -382,15 +382,15 @@ L -4 0 - 9 + 9 - bold-ylabel + bold-ylabel - bold-title + bold-title diff --git a/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_aspath.svg b/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_aspath.svg new file mode 100644 index 000000000000..7184700caf17 --- /dev/null +++ b/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_aspath.svg @@ -0,0 +1,423 @@ + + + + + + + + 2022-08-09T18:12:28.920123 + image/svg+xml + + + Matplotlib v3.6.0.dev2839+gb0bf8fb1de.d20220809, https://matplotlib.org/ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_astext.svg b/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_astext.svg new file mode 100644 index 000000000000..373103f61b9f --- /dev/null +++ b/lib/matplotlib/tests/baseline_images/test_backend_svg/multi_font_astext.svg @@ -0,0 +1,35 @@ + + + + + + + + 2022-08-09T18:42:37.025191 + image/svg+xml + + + Matplotlib v3.6.0.dev2840+g372782e258.d20220809, https://matplotlib.org/ + + + + + + + + + + + + + + There are 几个汉字 in between! + + + diff --git a/lib/matplotlib/tests/baseline_images/test_text/text_as_text_opacity.svg b/lib/matplotlib/tests/baseline_images/test_text/text_as_text_opacity.svg index 69d287e3536c..63cdeb8fbd47 100644 --- a/lib/matplotlib/tests/baseline_images/test_text/text_as_text_opacity.svg +++ b/lib/matplotlib/tests/baseline_images/test_text/text_as_text_opacity.svg @@ -10,22 +10,22 @@ - - 50% using `color` + 50% using `color` - 50% using `alpha` + 50% using `alpha` - 50% using `alpha` and 100% `color` + 50% using `alpha` and 100% `color` diff --git a/lib/matplotlib/tests/test_backend_pdf.py b/lib/matplotlib/tests/test_backend_pdf.py index 80f63133ce7d..fdfbc1277882 100644 --- a/lib/matplotlib/tests/test_backend_pdf.py +++ b/lib/matplotlib/tests/test_backend_pdf.py @@ -9,7 +9,9 @@ import pytest import matplotlib as mpl -from matplotlib import pyplot as plt, rcParams +from matplotlib import ( + pyplot as plt, rcParams, font_manager as fm +) from matplotlib.cbook import _get_data_path from matplotlib.ft2font import FT2Font from matplotlib.font_manager import findfont, FontProperties @@ -383,3 +385,29 @@ def test_glyphs_subset(): # since both objects are assigned same characters assert subfont.get_num_glyphs() == nosubfont.get_num_glyphs() + + +@image_comparison(["multi_font_type3.pdf"]) +def test_multi_font_type3(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + plt.rc('pdf', fonttype=3) + + fig = plt.figure() + fig.text(0.15, 0.475, "There are 几个汉字 in between!") + + +@image_comparison(["multi_font_type42.pdf"]) +def test_multi_font_type42(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + plt.rc('pdf', fonttype=42) + + fig = plt.figure() + fig.text(0.15, 0.475, "There are 几个汉字 in between!") diff --git a/lib/matplotlib/tests/test_backend_ps.py b/lib/matplotlib/tests/test_backend_ps.py index 5737b6fddbca..52f854e97e5f 100644 --- a/lib/matplotlib/tests/test_backend_ps.py +++ b/lib/matplotlib/tests/test_backend_ps.py @@ -6,12 +6,12 @@ import pytest -from matplotlib import cbook, patheffects +from matplotlib import cbook, patheffects, font_manager as fm from matplotlib._api import MatplotlibDeprecationWarning from matplotlib.figure import Figure from matplotlib.patches import Ellipse -from matplotlib.testing.decorators import check_figures_equal, image_comparison from matplotlib.testing._markers import needs_ghostscript, needs_usetex +from matplotlib.testing.decorators import check_figures_equal, image_comparison import matplotlib as mpl import matplotlib.pyplot as plt @@ -272,3 +272,29 @@ def test_no_duplicate_definition(): if ln.startswith('/')] assert max(Counter(wds).values()) == 1 + + +@image_comparison(["multi_font_type3.eps"]) +def test_multi_font_type3(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + plt.rc('ps', fonttype=3) + + fig = plt.figure() + fig.text(0.15, 0.475, "There are 几个汉字 in between!") + + +@image_comparison(["multi_font_type42.eps"]) +def test_multi_font_type42(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + plt.rc('ps', fonttype=42) + + fig = plt.figure() + fig.text(0.15, 0.475, "There are 几个汉字 in between!") diff --git a/lib/matplotlib/tests/test_backend_svg.py b/lib/matplotlib/tests/test_backend_svg.py index 1b0ddba219cb..48e6ae68c5f9 100644 --- a/lib/matplotlib/tests/test_backend_svg.py +++ b/lib/matplotlib/tests/test_backend_svg.py @@ -1,16 +1,21 @@ import datetime from io import BytesIO +from pathlib import Path import xml.etree.ElementTree import xml.parsers.expat +import pytest + import numpy as np + import matplotlib as mpl from matplotlib.figure import Figure from matplotlib.text import Text import matplotlib.pyplot as plt from matplotlib.testing.decorators import check_figures_equal, image_comparison from matplotlib.testing._markers import needs_usetex +from matplotlib import font_manager as fm def test_visibility(): @@ -464,3 +469,29 @@ def test_svg_metadata(): values = [node.text for node in rdf.findall(f'./{CCNS}Work/{DCNS}subject/{RDFNS}Bag/{RDFNS}li')] assert values == metadata['Keywords'] + + +@image_comparison(["multi_font_aspath.svg"]) +def test_multi_font_type3(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + plt.rc('svg', fonttype='path') + + fig = plt.figure() + fig.text(0.15, 0.475, "There are 几个汉字 in between!") + + +@image_comparison(["multi_font_astext.svg"]) +def test_multi_font_type42(): + fp = fm.FontProperties(family=["WenQuanYi Zen Hei"]) + if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc": + pytest.skip("Font may be missing") + + fig = plt.figure() + plt.rc('svg', fonttype='none') + + plt.rc('font', family=['DejaVu Sans', 'WenQuanYi Zen Hei'], size=27) + fig.text(0.15, 0.475, "There are 几个汉字 in between!") diff --git a/lib/matplotlib/tests/test_ft2font.py b/lib/matplotlib/tests/test_ft2font.py index eee47f5b03f8..6a67974f9596 100644 --- a/lib/matplotlib/tests/test_ft2font.py +++ b/lib/matplotlib/tests/test_ft2font.py @@ -59,7 +59,7 @@ def test_fallback_smoke(): [("WenQuanYi Zen Hei", "wqy-zenhei.ttc"), ("Noto Sans CJK JP", "NotoSansCJK-Regular.ttc")] ) -@check_figures_equal(extensions=["png"]) +@check_figures_equal(extensions=["png", "pdf", "eps", "svg"]) def test_font_fallback_chinese(fig_test, fig_ref, family_name, file_name): fp = fm.FontProperties(family=[family_name]) if Path(fm.findfont(fp)).name != file_name: @@ -76,3 +76,30 @@ def test_font_fallback_chinese(fig_test, fig_ref, family_name, file_name): ): fig_ref.text(0.05, .85 - 0.15*j, txt, family=ref_font) fig_test.text(0.05, .85 - 0.15*j, txt, family=test_font) + + +@pytest.mark.parametrize( + "family_name, file_name", + [ + ("WenQuanYi Zen Hei", "wqy-zenhei.ttc"), + ("Noto Sans CJK JP", "NotoSansCJK-Regular.ttc"), + ], +) +def test__get_fontmap(family_name, file_name): + fp = fm.FontProperties(family=[family_name]) + if Path(fm.findfont(fp)).name != file_name: + pytest.skip(f"Font {family_name} ({file_name}) is missing") + + text = "There are 几个汉字 in between!" + ft = fm.get_font( + fm.fontManager._find_fonts_by_props( + fm.FontProperties(family=["DejaVu Sans", family_name]) + ) + ) + + fontmap = ft._get_fontmap(text) + for char, font in fontmap.items(): + if ord(char) > 127: + assert Path(font.fname).name == file_name + else: + assert Path(font.fname).name == "DejaVuSans.ttf" diff --git a/lib/matplotlib/textpath.py b/lib/matplotlib/textpath.py index 3e8afde4bc66..6eb11b5f09d8 100644 --- a/lib/matplotlib/textpath.py +++ b/lib/matplotlib/textpath.py @@ -4,8 +4,10 @@ import numpy as np -from matplotlib import _api, _text_helpers, dviread, font_manager -from matplotlib.font_manager import FontProperties, get_font +from matplotlib import _api, _text_helpers, dviread +from matplotlib.font_manager import ( + FontProperties, get_font, fontManager as _fontManager +) from matplotlib.ft2font import LOAD_NO_HINTING, LOAD_TARGET_LIGHT from matplotlib.mathtext import MathTextParser from matplotlib.path import Path @@ -29,8 +31,8 @@ def _get_font(self, prop): """ Find the `FT2Font` matching font properties *prop*, with its size set. """ - fname = font_manager.findfont(prop) - font = get_font(fname) + filenames = _fontManager._find_fonts_by_props(prop) + font = get_font(filenames) font.set_size(self.FONT_SCALE, self.DPI) return font @@ -148,11 +150,11 @@ def get_glyphs_with_font(self, font, s, glyph_map=None, xpositions = [] glyph_ids = [] for item in _text_helpers.layout(s, font): - char_id = self._get_char_id(font, ord(item.char)) + char_id = self._get_char_id(item.ft_object, ord(item.char)) glyph_ids.append(char_id) xpositions.append(item.x) if char_id not in glyph_map: - glyph_map_new[char_id] = font.get_path() + glyph_map_new[char_id] = item.ft_object.get_path() ypositions = [0] * len(xpositions) sizes = [1.] * len(xpositions) diff --git a/src/ft2font.cpp b/src/ft2font.cpp index 4454a4a51ac6..1dc831545554 100644 --- a/src/ft2font.cpp +++ b/src/ft2font.cpp @@ -603,6 +603,31 @@ void FT2Font::load_char(long charcode, FT_Int32 flags, FT2Font *&ft_object, bool } } + +bool FT2Font::get_char_fallback_index(FT_ULong charcode, int& index) const +{ + FT_UInt glyph_index = FT_Get_Char_Index(face, charcode); + if (glyph_index) { + // -1 means the host has the char and we do not need to fallback + index = -1; + return true; + } else { + int inner_index = 0; + bool was_found; + + for (size_t i = 0; i < fallbacks.size(); ++i) { + // TODO handle recursion somehow! + was_found = fallbacks[i]->get_char_fallback_index(charcode, inner_index); + if (was_found) { + index = i; + return true; + } + } + } + return false; +} + + bool FT2Font::load_char_with_fallback(FT2Font *&ft_object_with_glyph, FT_UInt &final_glyph_index, std::vector &parent_glyphs, diff --git a/src/ft2font.h b/src/ft2font.h index cdcb979bdf3c..dc157f0e2887 100644 --- a/src/ft2font.h +++ b/src/ft2font.h @@ -108,6 +108,7 @@ class FT2Font FT_UInt get_char_index(FT_ULong charcode, bool fallback); void get_cbox(FT_BBox &bbox); PyObject* get_path(); + bool get_char_fallback_index(FT_ULong charcode, int& index) const; FT_Face const &get_face() const { diff --git a/src/ft2font_wrapper.cpp b/src/ft2font_wrapper.cpp index 63d21184cc4c..2f26d04f7323 100644 --- a/src/ft2font_wrapper.cpp +++ b/src/ft2font_wrapper.cpp @@ -7,6 +7,9 @@ // From Python #include +#include +#include + #define STRINGIFY(s) XSTRINGIFY(s) #define XSTRINGIFY(s) #s @@ -552,6 +555,76 @@ static PyObject *PyFT2Font_get_kerning(PyFT2Font *self, PyObject *args) return PyLong_FromLong(result); } +const char *PyFT2Font_get_fontmap__doc__ = + "_get_fontmap(self, string)\n" + "--\n\n" + "Get a mapping between characters and the font that includes them.\n" + "A dictionary mapping unicode characters to PyFT2Font objects."; +static PyObject *PyFT2Font_get_fontmap(PyFT2Font *self, PyObject *args, PyObject *kwds) +{ + PyObject *textobj; + const char *names[] = { "string", NULL }; + + if (!PyArg_ParseTupleAndKeywords( + args, kwds, "O:_get_fontmap", (char **)names, &textobj)) { + return NULL; + } + + std::set codepoints; + size_t size; + + if (PyUnicode_Check(textobj)) { + size = PyUnicode_GET_LENGTH(textobj); +#if defined(PYPY_VERSION) && (PYPY_VERSION_NUM < 0x07040000) + // PyUnicode_ReadChar is available from PyPy 7.3.2, but wheels do not + // specify the micro-release version, so put the version bound at 7.4 + // to prevent generating wheels unusable on PyPy 7.3.{0,1}. + Py_UNICODE *unistr = PyUnicode_AsUnicode(textobj); + for (size_t i = 0; i < size; ++i) { + codepoints.insert(unistr[i]); + } +#else + for (size_t i = 0; i < size; ++i) { + codepoints.insert(PyUnicode_ReadChar(textobj, i)); + } +#endif + } else { + PyErr_SetString(PyExc_TypeError, "string must be str"); + return NULL; + } + PyObject *char_to_font; + if (!(char_to_font = PyDict_New())) { + return NULL; + } + for (auto it = codepoints.begin(); it != codepoints.end(); ++it) { + auto x = *it; + PyObject* target_font; + int index; + if (self->x->get_char_fallback_index(x, index)) { + if (index >= 0) { + target_font = self->fallbacks[index]; + } else { + target_font = (PyObject *)self; + } + } else { + // TODO Handle recursion! + target_font = (PyObject *)self; + } + + PyObject *key = NULL; + bool error = (!(key = PyUnicode_FromFormat("%c", x)) + || (PyDict_SetItem(char_to_font, key, target_font) == -1)); + Py_XDECREF(key); + if (error) { + Py_DECREF(char_to_font); + PyErr_SetString(PyExc_ValueError, "Something went very wrong"); + return NULL; + } + } + return char_to_font; +} + + const char *PyFT2Font_set_text__doc__ = "set_text(self, string, angle, flags=32)\n" "--\n\n" @@ -1525,6 +1598,7 @@ static PyTypeObject *PyFT2Font_init_type() {"select_charmap", (PyCFunction)PyFT2Font_select_charmap, METH_VARARGS, PyFT2Font_select_charmap__doc__}, {"get_kerning", (PyCFunction)PyFT2Font_get_kerning, METH_VARARGS, PyFT2Font_get_kerning__doc__}, {"set_text", (PyCFunction)PyFT2Font_set_text, METH_VARARGS|METH_KEYWORDS, PyFT2Font_set_text__doc__}, + {"_get_fontmap", (PyCFunction)PyFT2Font_get_fontmap, METH_VARARGS|METH_KEYWORDS, PyFT2Font_get_fontmap__doc__}, {"get_num_glyphs", (PyCFunction)PyFT2Font_get_num_glyphs, METH_NOARGS, PyFT2Font_get_num_glyphs__doc__}, {"load_char", (PyCFunction)PyFT2Font_load_char, METH_VARARGS|METH_KEYWORDS, PyFT2Font_load_char__doc__}, {"load_glyph", (PyCFunction)PyFT2Font_load_glyph, METH_VARARGS|METH_KEYWORDS, PyFT2Font_load_glyph__doc__},