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-rw-r--r--env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py414
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diff --git a/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py b/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py
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--- a/env/lib/python3.10/site-packages/PIL/EpsImagePlugin.py
+++ /dev/null
@@ -1,414 +0,0 @@
-#
-# The Python Imaging Library.
-# $Id$
-#
-# EPS file handling
-#
-# History:
-# 1995-09-01 fl Created (0.1)
-# 1996-05-18 fl Don't choke on "atend" fields, Ghostscript interface (0.2)
-# 1996-08-22 fl Don't choke on floating point BoundingBox values
-# 1996-08-23 fl Handle files from Macintosh (0.3)
-# 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.4)
-# 2003-09-07 fl Check gs.close status (from Federico Di Gregorio) (0.5)
-# 2014-05-07 e Handling of EPS with binary preview and fixed resolution
-# resizing
-#
-# Copyright (c) 1997-2003 by Secret Labs AB.
-# Copyright (c) 1995-2003 by Fredrik Lundh
-#
-# See the README file for information on usage and redistribution.
-#
-
-import io
-import os
-import re
-import subprocess
-import sys
-import tempfile
-
-from . import Image, ImageFile
-from ._binary import i32le as i32
-
-#
-# --------------------------------------------------------------------
-
-split = re.compile(r"^%%([^:]*):[ \t]*(.*)[ \t]*$")
-field = re.compile(r"^%[%!\w]([^:]*)[ \t]*$")
-
-gs_windows_binary = None
-if sys.platform.startswith("win"):
- import shutil
-
- for binary in ("gswin32c", "gswin64c", "gs"):
- if shutil.which(binary) is not None:
- gs_windows_binary = binary
- break
- else:
- gs_windows_binary = False
-
-
-def has_ghostscript():
- if gs_windows_binary:
- return True
- if not sys.platform.startswith("win"):
- try:
- subprocess.check_call(["gs", "--version"], stdout=subprocess.DEVNULL)
- return True
- except OSError:
- # No Ghostscript
- pass
- return False
-
-
-def Ghostscript(tile, size, fp, scale=1, transparency=False):
- """Render an image using Ghostscript"""
-
- # Unpack decoder tile
- decoder, tile, offset, data = tile[0]
- length, bbox = data
-
- # Hack to support hi-res rendering
- scale = int(scale) or 1
- # orig_size = size
- # orig_bbox = bbox
- size = (size[0] * scale, size[1] * scale)
- # resolution is dependent on bbox and size
- res = (
- 72.0 * size[0] / (bbox[2] - bbox[0]),
- 72.0 * size[1] / (bbox[3] - bbox[1]),
- )
-
- out_fd, outfile = tempfile.mkstemp()
- os.close(out_fd)
-
- infile_temp = None
- if hasattr(fp, "name") and os.path.exists(fp.name):
- infile = fp.name
- else:
- in_fd, infile_temp = tempfile.mkstemp()
- os.close(in_fd)
- infile = infile_temp
-
- # Ignore length and offset!
- # Ghostscript can read it
- # Copy whole file to read in Ghostscript
- with open(infile_temp, "wb") as f:
- # fetch length of fp
- fp.seek(0, io.SEEK_END)
- fsize = fp.tell()
- # ensure start position
- # go back
- fp.seek(0)
- lengthfile = fsize
- while lengthfile > 0:
- s = fp.read(min(lengthfile, 100 * 1024))
- if not s:
- break
- lengthfile -= len(s)
- f.write(s)
-
- device = "pngalpha" if transparency else "ppmraw"
-
- # Build Ghostscript command
- command = [
- "gs",
- "-q", # quiet mode
- "-g%dx%d" % size, # set output geometry (pixels)
- "-r%fx%f" % res, # set input DPI (dots per inch)
- "-dBATCH", # exit after processing
- "-dNOPAUSE", # don't pause between pages
- "-dSAFER", # safe mode
- f"-sDEVICE={device}",
- f"-sOutputFile={outfile}", # output file
- # adjust for image origin
- "-c",
- f"{-bbox[0]} {-bbox[1]} translate",
- "-f",
- infile, # input file
- # showpage (see https://bugs.ghostscript.com/show_bug.cgi?id=698272)
- "-c",
- "showpage",
- ]
-
- if gs_windows_binary is not None:
- if not gs_windows_binary:
- raise OSError("Unable to locate Ghostscript on paths")
- command[0] = gs_windows_binary
-
- # push data through Ghostscript
- try:
- startupinfo = None
- if sys.platform.startswith("win"):
- startupinfo = subprocess.STARTUPINFO()
- startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
- subprocess.check_call(command, startupinfo=startupinfo)
- out_im = Image.open(outfile)
- out_im.load()
- finally:
- try:
- os.unlink(outfile)
- if infile_temp:
- os.unlink(infile_temp)
- except OSError:
- pass
-
- im = out_im.im.copy()
- out_im.close()
- return im
-
-
-class PSFile:
- """
- Wrapper for bytesio object that treats either CR or LF as end of line.
- """
-
- def __init__(self, fp):
- self.fp = fp
- self.char = None
-
- def seek(self, offset, whence=io.SEEK_SET):
- self.char = None
- self.fp.seek(offset, whence)
-
- def readline(self):
- s = [self.char or b""]
- self.char = None
-
- c = self.fp.read(1)
- while (c not in b"\r\n") and len(c):
- s.append(c)
- c = self.fp.read(1)
-
- self.char = self.fp.read(1)
- # line endings can be 1 or 2 of \r \n, in either order
- if self.char in b"\r\n":
- self.char = None
-
- return b"".join(s).decode("latin-1")
-
-
-def _accept(prefix):
- return prefix[:4] == b"%!PS" or (len(prefix) >= 4 and i32(prefix) == 0xC6D3D0C5)
-
-
-##
-# Image plugin for Encapsulated PostScript. This plugin supports only
-# a few variants of this format.
-
-
-class EpsImageFile(ImageFile.ImageFile):
- """EPS File Parser for the Python Imaging Library"""
-
- format = "EPS"
- format_description = "Encapsulated Postscript"
-
- mode_map = {1: "L", 2: "LAB", 3: "RGB", 4: "CMYK"}
-
- def _open(self):
- (length, offset) = self._find_offset(self.fp)
-
- # Rewrap the open file pointer in something that will
- # convert line endings and decode to latin-1.
- fp = PSFile(self.fp)
-
- # go to offset - start of "%!PS"
- fp.seek(offset)
-
- box = None
-
- self.mode = "RGB"
- self._size = 1, 1 # FIXME: huh?
-
- #
- # Load EPS header
-
- s_raw = fp.readline()
- s = s_raw.strip("\r\n")
-
- while s_raw:
- if s:
- if len(s) > 255:
- raise SyntaxError("not an EPS file")
-
- try:
- m = split.match(s)
- except re.error as e:
- raise SyntaxError("not an EPS file") from e
-
- if m:
- k, v = m.group(1, 2)
- self.info[k] = v
- if k == "BoundingBox":
- try:
- # Note: The DSC spec says that BoundingBox
- # fields should be integers, but some drivers
- # put floating point values there anyway.
- box = [int(float(i)) for i in v.split()]
- self._size = box[2] - box[0], box[3] - box[1]
- self.tile = [
- ("eps", (0, 0) + self.size, offset, (length, box))
- ]
- except Exception:
- pass
-
- else:
- m = field.match(s)
- if m:
- k = m.group(1)
-
- if k == "EndComments":
- break
- if k[:8] == "PS-Adobe":
- self.info[k[:8]] = k[9:]
- else:
- self.info[k] = ""
- elif s[0] == "%":
- # handle non-DSC PostScript comments that some
- # tools mistakenly put in the Comments section
- pass
- else:
- raise OSError("bad EPS header")
-
- s_raw = fp.readline()
- s = s_raw.strip("\r\n")
-
- if s and s[:1] != "%":
- break
-
- #
- # Scan for an "ImageData" descriptor
-
- while s[:1] == "%":
-
- if len(s) > 255:
- raise SyntaxError("not an EPS file")
-
- if s[:11] == "%ImageData:":
- # Encoded bitmapped image.
- x, y, bi, mo = s[11:].split(None, 7)[:4]
-
- if int(bi) == 1:
- self.mode = "1"
- elif int(bi) == 8:
- try:
- self.mode = self.mode_map[int(mo)]
- except ValueError:
- break
- else:
- break
-
- self._size = int(x), int(y)
- return
-
- s = fp.readline().strip("\r\n")
- if not s:
- break
-
- if not box:
- raise OSError("cannot determine EPS bounding box")
-
- def _find_offset(self, fp):
-
- s = fp.read(160)
-
- if s[:4] == b"%!PS":
- # for HEAD without binary preview
- fp.seek(0, io.SEEK_END)
- length = fp.tell()
- offset = 0
- elif i32(s, 0) == 0xC6D3D0C5:
- # FIX for: Some EPS file not handled correctly / issue #302
- # EPS can contain binary data
- # or start directly with latin coding
- # more info see:
- # https://web.archive.org/web/20160528181353/http://partners.adobe.com/public/developer/en/ps/5002.EPSF_Spec.pdf
- offset = i32(s, 4)
- length = i32(s, 8)
- else:
- raise SyntaxError("not an EPS file")
-
- return length, offset
-
- def load(self, scale=1, transparency=False):
- # Load EPS via Ghostscript
- if self.tile:
- self.im = Ghostscript(self.tile, self.size, self.fp, scale, transparency)
- self.mode = self.im.mode
- self._size = self.im.size
- self.tile = []
- return Image.Image.load(self)
-
- def load_seek(self, *args, **kwargs):
- # we can't incrementally load, so force ImageFile.parser to
- # use our custom load method by defining this method.
- pass
-
-
-#
-# --------------------------------------------------------------------
-
-
-def _save(im, fp, filename, eps=1):
- """EPS Writer for the Python Imaging Library."""
-
- #
- # make sure image data is available
- im.load()
-
- #
- # determine PostScript image mode
- if im.mode == "L":
- operator = (8, 1, b"image")
- elif im.mode == "RGB":
- operator = (8, 3, b"false 3 colorimage")
- elif im.mode == "CMYK":
- operator = (8, 4, b"false 4 colorimage")
- else:
- raise ValueError("image mode is not supported")
-
- if eps:
- #
- # write EPS header
- fp.write(b"%!PS-Adobe-3.0 EPSF-3.0\n")
- fp.write(b"%%Creator: PIL 0.1 EpsEncode\n")
- # fp.write("%%CreationDate: %s"...)
- fp.write(b"%%%%BoundingBox: 0 0 %d %d\n" % im.size)
- fp.write(b"%%Pages: 1\n")
- fp.write(b"%%EndComments\n")
- fp.write(b"%%Page: 1 1\n")
- fp.write(b"%%ImageData: %d %d " % im.size)
- fp.write(b'%d %d 0 1 1 "%s"\n' % operator)
-
- #
- # image header
- fp.write(b"gsave\n")
- fp.write(b"10 dict begin\n")
- fp.write(b"/buf %d string def\n" % (im.size[0] * operator[1]))
- fp.write(b"%d %d scale\n" % im.size)
- fp.write(b"%d %d 8\n" % im.size) # <= bits
- fp.write(b"[%d 0 0 -%d 0 %d]\n" % (im.size[0], im.size[1], im.size[1]))
- fp.write(b"{ currentfile buf readhexstring pop } bind\n")
- fp.write(operator[2] + b"\n")
- if hasattr(fp, "flush"):
- fp.flush()
-
- ImageFile._save(im, fp, [("eps", (0, 0) + im.size, 0, None)])
-
- fp.write(b"\n%%%%EndBinary\n")
- fp.write(b"grestore end\n")
- if hasattr(fp, "flush"):
- fp.flush()
-
-
-#
-# --------------------------------------------------------------------
-
-
-Image.register_open(EpsImageFile.format, EpsImageFile, _accept)
-
-Image.register_save(EpsImageFile.format, _save)
-
-Image.register_extensions(EpsImageFile.format, [".ps", ".eps"])
-
-Image.register_mime(EpsImageFile.format, "application/postscript")
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