diff options
Diffstat (limited to 'PIL/WmfImagePlugin.py')
| -rw-r--r-- | PIL/WmfImagePlugin.py | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/PIL/WmfImagePlugin.py b/PIL/WmfImagePlugin.py deleted file mode 100644 index 2191160..0000000 --- a/PIL/WmfImagePlugin.py +++ /dev/null @@ -1,148 +0,0 @@ -# -# The Python Imaging Library -# $Id: WmfImagePlugin.py 2134 2004-10-06 08:55:20Z fredrik $ -# -# WMF stub codec -# -# history: -# 1996-12-14 fl Created -# 2004-02-22 fl Turned into a stub driver -# 2004-02-23 fl Added EMF support -# -# Copyright (c) Secret Labs AB 1997-2004. All rights reserved. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - -__version__ = "0.2" - -import Image, ImageFile - -_handler = None - -## -# Install application-specific WMF image handler. -# -# @param handler Handler object. - -def register_handler(handler): - global _handler - _handler = handler - -# -------------------------------------------------------------------- - -def word(c, o=0): - return ord(c[o]) + (ord(c[o+1])<<8) - -def short(c, o=0): - v = ord(c[o]) + (ord(c[o+1])<<8) - if v >= 32768: - v = v - 65536 - return v - -def dword(c, o=0): - return ord(c[o]) + (ord(c[o+1])<<8) + (ord(c[o+2])<<16) + (ord(c[o+3])<<24) - -def long(c, o=0): - return dword(c, o) - -# -# -------------------------------------------------------------------- -# Read WMF file - -def _accept(prefix): - return ( - prefix[:6] == "\xd7\xcd\xc6\x9a\x00\x00" or - prefix[:4] == "\x01\x00\x00\x00" - ) - -## -# Image plugin for Windows metafiles. - -class WmfStubImageFile(ImageFile.StubImageFile): - - format = "WMF" - format_description = "Windows Metafile" - - def _open(self): - - # check placable header - s = self.fp.read(80) - - if s[:6] == "\xd7\xcd\xc6\x9a\x00\x00": - - # placeable windows metafile - - # get units per inch - inch = word(s, 14) - - # get bounding box - x0 = short(s, 6); y0 = short(s, 8) - x1 = short(s, 10); y1 = short(s, 12) - - # normalize size to 72 dots per inch - size = (x1 - x0) * 72 / inch, (y1 - y0) * 72 / inch - - self.info["wmf_bbox"] = x0, y0, x1, y1 - - self.info["dpi"] = 72 - - # print self.mode, self.size, self.info - - # sanity check (standard metafile header) - if s[22:26] != "\x01\x00\t\x00": - raise SyntaxError("Unsupported WMF file format") - - elif long(s) == 1 and s[40:44] == " EMF": - # enhanced metafile - - # get bounding box - x0 = long(s, 8); y0 = long(s, 12) - x1 = long(s, 16); y1 = long(s, 20) - - # get frame (in 0.01 millimeter units) - frame = long(s, 24), long(s, 28), long(s, 32), long(s, 36) - - # normalize size to 72 dots per inch - size = x1 - x0, y1 - y0 - - # calculate dots per inch from bbox and frame - xdpi = 2540 * (x1 - y0) / (frame[2] - frame[0]) - ydpi = 2540 * (y1 - y0) / (frame[3] - frame[1]) - - self.info["wmf_bbox"] = x0, y0, x1, y1 - - if xdpi == ydpi: - self.info["dpi"] = xdpi - else: - self.info["dpi"] = xdpi, ydpi - - else: - raise SyntaxError("Unsupported file format") - - self.mode = "RGB" - self.size = size - - loader = self._load() - if loader: - loader.open(self) - - def _load(self): - return _handler - - -def _save(im, fp, filename): - if _handler is None or not hasattr("_handler", "save"): - raise IOError("WMF save handler not installed") - _handler.save(im, fp, filename) - -# -# -------------------------------------------------------------------- -# Registry stuff - -Image.register_open(WmfStubImageFile.format, WmfStubImageFile, _accept) -Image.register_save(WmfStubImageFile.format, _save) - -Image.register_extension(WmfStubImageFile.format, ".wmf") -Image.register_extension(WmfStubImageFile.format, ".emf") |