def print_figure_impl(fh):
# write the PostScript headers
if is_eps:
print("%!PS-Adobe-3.0 EPSF-3.0", file=fh)
else:
print(f"%!PS-Adobe-3.0\n"
f"%%DocumentPaperSizes: {papertype}\n"
f"%%Pages: 1\n",
end="", file=fh)
print(f"{dsc_comments}\n"
f"%%Orientation: {orientation.name}\n"
f"%%BoundingBox: {bbox[0]} {bbox[1]} {bbox[2]} {bbox[3]}\n"
f"%%EndComments\n",
end="", file=fh)
Ndict = len(psDefs)
print("%%BeginProlog", file=fh)
if not mpl.rcParams['ps.useafm']:
Ndict += len(ps_renderer._character_tracker.used)
print("/mpldict %d dict def" % Ndict, file=fh)
print("mpldict begin", file=fh)
print("\n".join(psDefs), file=fh)
if not mpl.rcParams['ps.useafm']:
for font_path, chars \
in ps_renderer._character_tracker.used.items():
if not chars:
continue
font = get_font(font_path)
glyph_ids = [font.get_char_index(c) for c in chars]
fonttype = mpl.rcParams['ps.fonttype']
# Can't use more than 255 chars from a single Type 3 font.
if len(glyph_ids) > 255:
fonttype = 42
# The ttf to ps (subsetting) support doesn't work for
# OpenType fonts that are Postscript inside (like the STIX
# fonts). This will simply turn that off to avoid errors.
if is_opentype_cff_font(font_path):
raise RuntimeError(
"OpenType CFF fonts can not be saved using "
"the internal Postscript backend at this "
"time; consider using the Cairo backend")
fh.flush()
try:
convert_ttf_to_ps(os.fsencode(font_path),
fh, fonttype, glyph_ids)
except RuntimeError:
_log.warning("The PostScript backend does not "
"currently support the selected font.")
raise
print("end", file=fh)
print("%%EndProlog", file=fh)
if not is_eps:
print("%%Page: 1 1", file=fh)
print("mpldict begin", file=fh)
print("%s translate" % _nums_to_str(xo, yo), file=fh)
if rotation:
print("%d rotate" % rotation, file=fh)
print("%s clipbox" % _nums_to_str(width*72, height*72, 0, 0),
file=fh)
# write the figure
content = self._pswriter.getvalue()
if not isinstance(content, str):
content = content.decode('ascii')
print(content, file=fh)
# write the trailer
print("end", file=fh)
print("showpage", file=fh)
if not is_eps:
print("%%EOF", file=fh)
fh.flush()
def _print_figure(self, outfile, format, dpi=72, facecolor='w', edgecolor='w',
orientation='portrait', isLandscape=False, papertype=None):
"""
Render the figure to hardcopy. Set the figure patch face and
edge colors. This is useful because some of the GUIs have a
gray figure face color background and you'll probably want to
override this on hardcopy
If outfile is a string, it is interpreted as a file name.
If the extension matches .ep* write encapsulated postscript,
otherwise write a stand-alone PostScript file.
If outfile is a file object, a stand-alone PostScript file is
written into this file object.
"""
isEPSF = format == 'eps'
passed_in_file_object = False
if is_string_like(outfile):
title = outfile
tmpfile = os.path.join(gettempdir(), md5(outfile).hexdigest())
elif is_writable_file_like(outfile):
title = None
tmpfile = os.path.join(gettempdir(), md5(str(hash(outfile))).hexdigest())
passed_in_file_object = True
else:
raise ValueError("outfile must be a path or a file-like object")
fh = file(tmpfile, 'w')
# find the appropriate papertype
width, height = self.figure.get_size_inches()
if papertype == 'auto':
if isLandscape: papertype = _get_papertype(height, width)
else: papertype = _get_papertype(width, height)
if isLandscape: paperHeight, paperWidth = papersize[papertype]
else: paperWidth, paperHeight = papersize[papertype]
if rcParams['ps.usedistiller'] and not papertype == 'auto':
# distillers will improperly clip eps files if the pagesize is
# too small
if width>paperWidth or height>paperHeight:
if isLandscape:
papertype = _get_papertype(height, width)
paperHeight, paperWidth = papersize[papertype]
else:
papertype = _get_papertype(width, height)
paperWidth, paperHeight = papersize[papertype]
# center the figure on the paper
xo = 72*0.5*(paperWidth - width)
yo = 72*0.5*(paperHeight - height)
l, b, w, h = self.figure.bbox.bounds
llx = xo
lly = yo
urx = llx + w
ury = lly + h
rotation = 0
if isLandscape:
llx, lly, urx, ury = lly, llx, ury, urx
xo, yo = 72*paperHeight - yo, xo
rotation = 90
bbox = (llx, lly, urx, ury)
# generate PostScript code for the figure and store it in a string
origfacecolor = self.figure.get_facecolor()
origedgecolor = self.figure.get_edgecolor()
self.figure.set_facecolor(facecolor)
self.figure.set_edgecolor(edgecolor)
self._pswriter = StringIO()
renderer = RendererPS(width, height, self._pswriter, imagedpi=dpi)
self.figure.draw(renderer)
self.figure.set_facecolor(origfacecolor)
self.figure.set_edgecolor(origedgecolor)
# write the PostScript headers
if isEPSF: print >>fh, "%!PS-Adobe-3.0 EPSF-3.0"
else: print >>fh, "%!PS-Adobe-3.0"
if title: print >>fh, "%%Title: "+title
print >>fh, ("%%Creator: matplotlib version "
+__version__+", http://matplotlib.sourceforge.net/")
print >>fh, "%%CreationDate: "+time.ctime(time.time())
print >>fh, "%%Orientation: " + orientation
if not isEPSF: print >>fh, "%%DocumentPaperSizes: "+papertype
print >>fh, "%%%%BoundingBox: %d %d %d %d" % bbox
if not isEPSF: print >>fh, "%%Pages: 1"
print >>fh, "%%EndComments"
Ndict = len(psDefs)
print >>fh, "%%BeginProlog"
if not rcParams['ps.useafm']:
Ndict += len(renderer.used_characters)
print >>fh, "/mpldict %d dict def"%Ndict
print >>fh, "mpldict begin"
for d in psDefs:
d=d.strip()
for l in d.split('\n'):
print >>fh, l.strip()
if not rcParams['ps.useafm']:
for font_filename, chars in renderer.used_characters.values():
if len(chars):
font = FT2Font(font_filename)
cmap = font.get_charmap()
glyph_ids = []
for c in chars:
gind = cmap.get(c) or 0
glyph_ids.append(gind)
# The ttf to ps (subsetting) support doesn't work for
# OpenType fonts that are Postscript inside (like the
# STIX fonts). This will simply turn that off to avoid
# errors.
if is_opentype_cff_font(font_filename):
raise RuntimeError("OpenType CFF fonts can not be saved using the internal Postscript backend at this time.\nConsider using the Cairo backend.")
else:
fonttype = rcParams['ps.fonttype']
convert_ttf_to_ps(font_filename, fh, rcParams['ps.fonttype'], glyph_ids)
print >>fh, "end"
print >>fh, "%%EndProlog"
if not isEPSF: print >>fh, "%%Page: 1 1"
print >>fh, "mpldict begin"
#print >>fh, "gsave"
print >>fh, "%s translate"%_nums_to_str(xo, yo)
if rotation: print >>fh, "%d rotate"%rotation
print >>fh, "%s clipbox"%_nums_to_str(width*72, height*72, 0, 0)
# write the figure
print >>fh, self._pswriter.getvalue()
# write the trailer
#print >>fh, "grestore"
print >>fh, "end"
print >>fh, "showpage"
if not isEPSF: print >>fh, "%%EOF"
fh.close()
if rcParams['ps.usedistiller'] == 'ghostscript':
gs_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
elif rcParams['ps.usedistiller'] == 'xpdf':
xpdf_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
if passed_in_file_object:
fh = file(tmpfile)
print >>outfile, fh.read()
else:
shutil.move(tmpfile, outfile)
def _print_figure(self, outfile, format, dpi=72, facecolor='w', edgecolor='w',
orientation='portrait', isLandscape=False, papertype=None,
**kwargs):
"""
Render the figure to hardcopy. Set the figure patch face and
edge colors. This is useful because some of the GUIs have a
gray figure face color background and you'll probably want to
override this on hardcopy
If outfile is a string, it is interpreted as a file name.
If the extension matches .ep* write encapsulated postscript,
otherwise write a stand-alone PostScript file.
If outfile is a file object, a stand-alone PostScript file is
written into this file object.
"""
isEPSF = format == 'eps'
passed_in_file_object = False
fd, tmpfile = mkstemp()
if is_string_like(outfile):
title = outfile
elif is_writable_file_like(outfile):
title = None
passed_in_file_object = True
else:
raise ValueError("outfile must be a path or a file-like object")
os.close(fd)
fh = file(tmpfile, 'w')
width, height = self.figure.get_size_inches()
if papertype == 'auto':
if isLandscape: papertype = _get_papertype(height, width)
else: papertype = _get_papertype(width, height)
if isLandscape: paperHeight, paperWidth = papersize[papertype]
else: paperWidth, paperHeight = papersize[papertype]
if rcParams['ps.usedistiller'] and not papertype == 'auto':
if width>paperWidth or height>paperHeight:
if isLandscape:
papertype = _get_papertype(height, width)
paperHeight, paperWidth = papersize[papertype]
else:
papertype = _get_papertype(width, height)
paperWidth, paperHeight = papersize[papertype]
xo = 72*0.5*(paperWidth - width)
yo = 72*0.5*(paperHeight - height)
l, b, w, h = self.figure.bbox.bounds
llx = xo
lly = yo
urx = llx + w
ury = lly + h
rotation = 0
if isLandscape:
llx, lly, urx, ury = lly, llx, ury, urx
xo, yo = 72*paperHeight - yo, xo
rotation = 90
bbox = (llx, lly, urx, ury)
origfacecolor = self.figure.get_facecolor()
origedgecolor = self.figure.get_edgecolor()
self.figure.set_facecolor(facecolor)
self.figure.set_edgecolor(edgecolor)
dryrun = kwargs.get("dryrun", False)
if dryrun:
class NullWriter(object):
def write(self, *kl, **kwargs):
pass
self._pswriter = NullWriter()
else:
self._pswriter = StringIO()
_bbox_inches_restore = kwargs.pop("bbox_inches_restore", None)
ps_renderer = RendererPS(width, height, self._pswriter, imagedpi=dpi)
renderer = MixedModeRenderer(self.figure,
width, height, dpi, ps_renderer,
bbox_inches_restore=_bbox_inches_restore)
self.figure.draw(renderer)
if dryrun: # return immediately if dryrun (tightbbox=True)
return
self.figure.set_facecolor(origfacecolor)
self.figure.set_edgecolor(origedgecolor)
if isEPSF: print >>fh, "%!PS-Adobe-3.0 EPSF-3.0"
else: print >>fh, "%!PS-Adobe-3.0"
if title: print >>fh, "%%Title: "+title
print >>fh, ("%%Creator: matplotlib version "
+__version__+", http://matplotlib.sourceforge.net/")
print >>fh, "%%CreationDate: "+time.ctime(time.time())
print >>fh, "%%Orientation: " + orientation
if not isEPSF: print >>fh, "%%DocumentPaperSizes: "+papertype
print >>fh, "%%%%BoundingBox: %d %d %d %d" % bbox
if not isEPSF: print >>fh, "%%Pages: 1"
print >>fh, "%%EndComments"
Ndict = len(psDefs)
print >>fh, "%%BeginProlog"
if not rcParams['ps.useafm']:
Ndict += len(ps_renderer.used_characters)
print >>fh, "/mpldict %d dict def"%Ndict
print >>fh, "mpldict begin"
for d in psDefs:
d=d.strip()
for l in d.split('\n'):
print >>fh, l.strip()
if not rcParams['ps.useafm']:
for font_filename, chars in ps_renderer.used_characters.values():
if len(chars):
font = FT2Font(font_filename)
cmap = font.get_charmap()
glyph_ids = []
for c in chars:
gind = cmap.get(c) or 0
glyph_ids.append(gind)
if is_opentype_cff_font(font_filename):
raise RuntimeError("OpenType CFF fonts can not be saved using the internal Postscript backend at this time.\nConsider using the Cairo backend.")
else:
fonttype = rcParams['ps.fonttype']
convert_ttf_to_ps(font_filename, fh, rcParams['ps.fonttype'], glyph_ids)
print >>fh, "end"
print >>fh, "%%EndProlog"
if not isEPSF: print >>fh, "%%Page: 1 1"
print >>fh, "mpldict begin"
print >>fh, "%s translate"%_nums_to_str(xo, yo)
if rotation: print >>fh, "%d rotate"%rotation
print >>fh, "%s clipbox"%_nums_to_str(width*72, height*72, 0, 0)
print >>fh, self._pswriter.getvalue()
print >>fh, "end"
print >>fh, "showpage"
if not isEPSF: print >>fh, "%%EOF"
fh.close()
if rcParams['ps.usedistiller'] == 'ghostscript':
gs_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
elif rcParams['ps.usedistiller'] == 'xpdf':
xpdf_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
if passed_in_file_object:
fh = file(tmpfile)
print >>outfile, fh.read()
else:
shutil.move(tmpfile, outfile)
def print_figure_impl(fh):
# write the PostScript headers
if is_eps:
print("%!PS-Adobe-3.0 EPSF-3.0", file=fh)
else:
print(
f"%!PS-Adobe-3.0\n"
f"%%DocumentPaperSizes: {papertype}\n"
f"%%Pages: 1\n",
end="",
file=fh)
if title:
print("%%Title: " + title, file=fh)
# get source date from SOURCE_DATE_EPOCH, if set
# See https://reproducible-builds.org/specs/source-date-epoch/
source_date_epoch = os.getenv("SOURCE_DATE_EPOCH")
if source_date_epoch:
source_date = datetime.datetime.utcfromtimestamp(
int(source_date_epoch)).strftime("%a %b %d %H:%M:%S %Y")
else:
source_date = time.ctime()
print(
f"%%Creator: {creator_str}\n"
f"%%CreationDate: {source_date}\n"
f"%%Orientation: {orientation.name}\n"
f"%%BoundingBox: {bbox[0]} {bbox[1]} {bbox[2]} {bbox[3]}\n"
f"%%EndComments\n",
end="",
file=fh)
Ndict = len(psDefs)
print("%%BeginProlog", file=fh)
if not mpl.rcParams['ps.useafm']:
Ndict += len(ps_renderer._character_tracker.used)
print("/mpldict %d dict def" % Ndict, file=fh)
print("mpldict begin", file=fh)
for d in psDefs:
d = d.strip()
for l in d.split('\n'):
print(l.strip(), file=fh)
if not mpl.rcParams['ps.useafm']:
for font_path, chars \
in ps_renderer._character_tracker.used.items():
if not chars:
continue
font = get_font(font_path)
glyph_ids = [font.get_char_index(c) for c in chars]
fonttype = mpl.rcParams['ps.fonttype']
# Can't use more than 255 chars from a single Type 3 font.
if len(glyph_ids) > 255:
fonttype = 42
# The ttf to ps (subsetting) support doesn't work for
# OpenType fonts that are Postscript inside (like the STIX
# fonts). This will simply turn that off to avoid errors.
if is_opentype_cff_font(font_path):
raise RuntimeError(
"OpenType CFF fonts can not be saved using "
"the internal Postscript backend at this "
"time; consider using the Cairo backend")
fh.flush()
try:
convert_ttf_to_ps(os.fsencode(font_path), fh, fonttype,
glyph_ids)
except RuntimeError:
_log.warning("The PostScript backend does not "
"currently support the selected font.")
raise
print("end", file=fh)
print("%%EndProlog", file=fh)
if not is_eps:
print("%%Page: 1 1", file=fh)
print("mpldict begin", file=fh)
print("%s translate" % _nums_to_str(xo, yo), file=fh)
if rotation:
print("%d rotate" % rotation, file=fh)
print("%s clipbox" % _nums_to_str(width * 72, height * 72, 0, 0),
file=fh)
# write the figure
content = self._pswriter.getvalue()
if not isinstance(content, str):
content = content.decode('ascii')
print(content, file=fh)
# write the trailer
print("end", file=fh)
print("showpage", file=fh)
if not is_eps:
print("%%EOF", file=fh)
fh.flush()
def _print_figure(self,
outfile,
format,
dpi=72,
facecolor='w',
edgecolor='w',
orientation='portrait',
isLandscape=False,
papertype=None):
"""
Render the figure to hardcopy. Set the figure patch face and
edge colors. This is useful because some of the GUIs have a
gray figure face color background and you'll probably want to
override this on hardcopy
If outfile is a string, it is interpreted as a file name.
If the extension matches .ep* write encapsulated postscript,
otherwise write a stand-alone PostScript file.
If outfile is a file object, a stand-alone PostScript file is
written into this file object.
"""
isEPSF = format == 'eps'
passed_in_file_object = False
if is_string_like(outfile):
title = outfile
tmpfile = os.path.join(gettempdir(), md5(outfile).hexdigest())
elif is_writable_file_like(outfile):
title = None
tmpfile = os.path.join(gettempdir(),
md5(str(hash(outfile))).hexdigest())
passed_in_file_object = True
else:
raise ValueError("outfile must be a path or a file-like object")
fh = file(tmpfile, 'w')
# find the appropriate papertype
width, height = self.figure.get_size_inches()
if papertype == 'auto':
if isLandscape: papertype = _get_papertype(height, width)
else: papertype = _get_papertype(width, height)
if isLandscape: paperHeight, paperWidth = papersize[papertype]
else: paperWidth, paperHeight = papersize[papertype]
if rcParams['ps.usedistiller'] and not papertype == 'auto':
# distillers will improperly clip eps files if the pagesize is
# too small
if width > paperWidth or height > paperHeight:
if isLandscape:
papertype = _get_papertype(height, width)
paperHeight, paperWidth = papersize[papertype]
else:
papertype = _get_papertype(width, height)
paperWidth, paperHeight = papersize[papertype]
# center the figure on the paper
xo = 72 * 0.5 * (paperWidth - width)
yo = 72 * 0.5 * (paperHeight - height)
l, b, w, h = self.figure.bbox.bounds
llx = xo
lly = yo
urx = llx + w
ury = lly + h
rotation = 0
if isLandscape:
llx, lly, urx, ury = lly, llx, ury, urx
xo, yo = 72 * paperHeight - yo, xo
rotation = 90
bbox = (llx, lly, urx, ury)
# generate PostScript code for the figure and store it in a string
origfacecolor = self.figure.get_facecolor()
origedgecolor = self.figure.get_edgecolor()
self.figure.set_facecolor(facecolor)
self.figure.set_edgecolor(edgecolor)
self._pswriter = StringIO()
renderer = RendererPS(width, height, self._pswriter, imagedpi=dpi)
self.figure.draw(renderer)
self.figure.set_facecolor(origfacecolor)
self.figure.set_edgecolor(origedgecolor)
# write the PostScript headers
if isEPSF: print >> fh, "%!PS-Adobe-3.0 EPSF-3.0"
else: print >> fh, "%!PS-Adobe-3.0"
if title: print >> fh, "%%Title: " + title
print >> fh, ("%%Creator: matplotlib version " + __version__ +
", http://matplotlib.sourceforge.net/")
print >> fh, "%%CreationDate: " + time.ctime(time.time())
print >> fh, "%%Orientation: " + orientation
if not isEPSF: print >> fh, "%%DocumentPaperSizes: " + papertype
print >> fh, "%%%%BoundingBox: %d %d %d %d" % bbox
if not isEPSF: print >> fh, "%%Pages: 1"
print >> fh, "%%EndComments"
Ndict = len(psDefs)
print >> fh, "%%BeginProlog"
if not rcParams['ps.useafm']:
Ndict += len(renderer.used_characters)
print >> fh, "/mpldict %d dict def" % Ndict
print >> fh, "mpldict begin"
for d in psDefs:
d = d.strip()
for l in d.split('\n'):
print >> fh, l.strip()
if not rcParams['ps.useafm']:
for font_filename, chars in renderer.used_characters.values():
if len(chars):
font = FT2Font(font_filename)
cmap = font.get_charmap()
glyph_ids = []
for c in chars:
gind = cmap.get(c) or 0
glyph_ids.append(gind)
# The ttf to ps (subsetting) support doesn't work for
# OpenType fonts that are Postscript inside (like the
# STIX fonts). This will simply turn that off to avoid
# errors.
if is_opentype_cff_font(font_filename):
raise RuntimeError(
"OpenType CFF fonts can not be saved using the internal Postscript backend at this time.\nConsider using the Cairo backend."
)
else:
fonttype = rcParams['ps.fonttype']
convert_ttf_to_ps(font_filename, fh,
rcParams['ps.fonttype'], glyph_ids)
print >> fh, "end"
print >> fh, "%%EndProlog"
if not isEPSF: print >> fh, "%%Page: 1 1"
print >> fh, "mpldict begin"
#print >>fh, "gsave"
print >> fh, "%s translate" % _nums_to_str(xo, yo)
if rotation: print >> fh, "%d rotate" % rotation
print >> fh, "%s clipbox" % _nums_to_str(width * 72, height * 72, 0, 0)
# write the figure
print >> fh, self._pswriter.getvalue()
# write the trailer
#print >>fh, "grestore"
print >> fh, "end"
print >> fh, "showpage"
if not isEPSF: print >> fh, "%%EOF"
fh.close()
if rcParams['ps.usedistiller'] == 'ghostscript':
gs_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
elif rcParams['ps.usedistiller'] == 'xpdf':
xpdf_distill(tmpfile, isEPSF, ptype=papertype, bbox=bbox)
if passed_in_file_object:
fh = file(tmpfile)
print >> outfile, fh.read()
else:
shutil.move(tmpfile, outfile)