1 files changed, 68 insertions, 0 deletions
diff --git a/PIL/XVThumbImagePlugin.py b/PIL/XVThumbImagePlugin.py
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+#
+# The Python Imaging Library.
+# $Id: XVThumbImagePlugin.py 2134 2004-10-06 08:55:20Z fredrik $
+#
+# XV Thumbnail file handler by Charles E. "Gene" Cash
+# (gcash@magicnet.net)
+#
+# see xvcolor.c and xvbrowse.c in the sources to John Bradley's XV,
+# available from ftp://ftp.cis.upenn.edu/pub/xv/
+#
+# history:
+# 98-08-15 cec  created (b/w only)
+# 98-12-09 cec  added color palette
+# 98-12-28 fl   added to PIL (with only a few very minor modifications)
+#
+# To do:
+# FIXME: make save work (this requires quantization support)
+#
+
+__version__ = "0.1"
+
+import string
+import Image, ImageFile, ImagePalette
+
+# standard color palette for thumbnails (RGB332)
+PALETTE = ""
+for r in range(8):
+    for g in range(8):
+        for b in range(4):
+            PALETTE = PALETTE + (chr((r*255)/7)+chr((g*255)/7)+chr((b*255)/3))
+
+##
+# Image plugin for XV thumbnail images.
+
+class XVThumbImageFile(ImageFile.ImageFile):
+
+    format = "XVThumb"
+    format_description = "XV thumbnail image"
+
+    def _open(self):
+
+        # check magic
+        s = self.fp.read(6)
+        if s != "P7 332":
+            raise SyntaxError, "not an XV thumbnail file"
+
+        # skip info comments
+        while 1:
+            s = string.strip(self.fp.readline())
+            if s == "#END_OF_COMMENTS":
+                break
+
+        # read header line
+        s = string.split(self.fp.readline())
+
+        self.mode = "P"
+        self.size = int(s[0]), int(s[1])
+
+        self.palette = ImagePalette.raw("RGB", PALETTE)
+
+        self.tile = [
+            ("raw", (0, 0)+self.size,
+             self.fp.tell(), (self.mode, 0, 1)
+             )]
+
+# --------------------------------------------------------------------
+
+Image.register_open("XVThumb", XVThumbImageFile)