[Image-SIG] Re: PCX

[Fredrik Lundh]

Greg Hamilton wrote:

> I have a PCX image which I can't manipulate with PIL.
>
> The image loads without error. PIL identifies it as a mode '1' PCX file
> and reads the image size correctly. Unfortunately the image content is
> lost, I just get a black rectangle.

turns out that the tile member isn't properly set up for images where
the PCX xmin or xmax headers are non-zero.  here's a patch:

Index: PIL/PcxImagePlugin.py
===================================================================
--- PIL/PcxImagePlugin.py       (revision 1939)
+++ PIL/PcxImagePlugin.py       (working copy)
@@ -96,6 +96,8 @@
         self.mode = mode
         self.size = bbox[2]-bbox[0], bbox[3]-bbox[1]

+        bbox = (0, 0) + self.size
+
         self.tile = [("pcx", bbox, self.fp.tell(), (rawmode, planes * stride))]


 # --------------------------------------------------------------------