Bug 689997

Summary:	gx_band_complexity_s::uses_color regressed when serialized patterns into clist.
Product:	Ghostscript	Reporter:	leonardo <leonardo>
Component:	Graphics Library	Assignee:	Ray Johnston <ray.johnston>
Status:	RESOLVED INVALID
Severity:	normal	CC:	christinedelight.top85
Priority:	P4
Version:	master
Hardware:	PC
OS:	Windows NT
Customer:		Word Size:	---

Description leonardo 2008-08-07 12:16:15 UTC

Now pages with colored patterns are not optimized for black&white rendering 
when all patterns are black&white. If we want a perfect band complexity data, 
the black&while feature to be computed when creating a pattern tile. This bug 
was introduced in revision 8655.

Comment 1 leonardo 2008-09-05 06:38:53 UTC

I have no idea how to fix it. IMO band complexity is a poor desing in general 
and must be replaced with lasy buffer allocation as I did for transparency. 
Passing to Henry to decide what to do with it.

Comment 2 Henry Stiles 2012-09-26 06:15:50 UTC

Likely this can be closed but assigning to the "band man".

Comment 3 Ray Johnston 2012-09-27 14:25:09 UTC

All of the 'band_complexity' stuff is gone in favor of 'color_usage' and this
has been improved. If any improvements are needed w.r.t. patterns it will
be done in the new code.

Note that for patterns, we assume all colors are used if the pattern is
a colored bitmap. Otherwise we get the colors used from the current fill
color (that is then rendered as "through" the pattern bitmap).

Thus, at least as stated, this is no longer a valid report.