1 files changed, 133 insertions, 0 deletions
diff --git a/PIL/BdfFontFile.py b/PIL/BdfFontFile.py
new file mode 100644
index 0000000..9297a18
--- /dev/null
+++ b/PIL/BdfFontFile.py
@@ -0,0 +1,133 @@
+#
+# The Python Imaging Library
+# $Id: BdfFontFile.py 2134 2004-10-06 08:55:20Z fredrik $
+#
+# bitmap distribution font (bdf) file parser
+#
+# history:
+# 1996-05-16 fl   created (as bdf2pil)
+# 1997-08-25 fl   converted to FontFile driver
+# 2001-05-25 fl   removed bogus __init__ call
+# 2002-11-20 fl   robustification (from Kevin Cazabon, Dmitry Vasiliev)
+# 2003-04-22 fl   more robustification (from Graham Dumpleton)
+#
+# Copyright (c) 1997-2003 by Secret Labs AB.
+# Copyright (c) 1997-2003 by Fredrik Lundh.
+#
+# See the README file for information on usage and redistribution.
+#
+
+import Image
+import FontFile
+
+import string
+
+# --------------------------------------------------------------------
+# parse X Bitmap Distribution Format (BDF)
+# --------------------------------------------------------------------
+
+bdf_slant = {
+   "R": "Roman",
+   "I": "Italic",
+   "O": "Oblique",
+   "RI": "Reverse Italic",
+   "RO": "Reverse Oblique",
+   "OT": "Other"
+}
+
+bdf_spacing = {
+    "P": "Proportional",
+    "M": "Monospaced",
+    "C": "Cell"
+}
+
+def bdf_char(f):
+
+    # skip to STARTCHAR
+    while 1:
+        s = f.readline()
+        if not s:
+            return None
+        if s[:9] == "STARTCHAR":
+            break
+    id = string.strip(s[9:])
+
+    # load symbol properties
+    props = {}
+    while 1:
+        s = f.readline()
+        if not s or s[:6] == "BITMAP":
+            break
+        i = string.find(s, " ")
+        props[s[:i]] = s[i+1:-1]
+
+    # load bitmap
+    bitmap = []
+    while 1:
+        s = f.readline()
+        if not s or s[:7] == "ENDCHAR":
+            break
+        bitmap.append(s[:-1])
+    bitmap = string.join(bitmap, "")
+
+    [x, y, l, d] = map(int, string.split(props["BBX"]))
+    [dx, dy] = map(int, string.split(props["DWIDTH"]))
+
+    bbox = (dx, dy), (l, -d-y, x+l, -d), (0, 0, x, y)
+
+    try:
+        im = Image.fromstring("1", (x, y), bitmap, "hex", "1")
+    except ValueError:
+        # deal with zero-width characters
+        im = Image.new("1", (x, y))
+
+    return id, int(props["ENCODING"]), bbox, im
+
+##
+# Font file plugin for the X11 BDF format.
+
+class BdfFontFile(FontFile.FontFile):
+
+    def __init__(self, fp):
+
+        FontFile.FontFile.__init__(self)
+
+        s = fp.readline()
+        if s[:13] != "STARTFONT 2.1":
+            raise SyntaxError, "not a valid BDF file"
+
+        props = {}
+        comments = []
+
+        while 1:
+            s = fp.readline()
+            if not s or s[:13] == "ENDPROPERTIES":
+                break
+            i = string.find(s, " ")
+            props[s[:i]] = s[i+1:-1]
+            if s[:i] in ["COMMENT", "COPYRIGHT"]:
+                if string.find(s, "LogicalFontDescription") < 0:
+                    comments.append(s[i+1:-1])
+
+        font = string.split(props["FONT"], "-")
+
+        font[4] = bdf_slant[string.upper(font[4])]
+        font[11] = bdf_spacing[string.upper(font[11])]
+
+        ascent = int(props["FONT_ASCENT"])
+        descent = int(props["FONT_DESCENT"])
+
+        fontname = string.join(font[1:], ";")
+
+        # print "#", fontname
+        # for i in comments:
+        #       print "#", i
+
+        font = []
+        while 1:
+            c = bdf_char(fp)
+            if not c:
+                break
+            id, ch, (xy, dst, src), im = c
+            if ch >= 0 and ch < len(self.glyph):
+                self.glyph[ch] = xy, dst, src, im