Bug 687731 - Speed up shadings with a better monotonity check for color conversions
Summary: Speed up shadings with a better monotonity check for color conversions
Status: IN_PROGRESS
Alias: None
Product: Ghostscript
Classification: Unclassified
Component: Graphics Library (show other bugs)
Version: master
Hardware: PC Windows XP
: P3 enhancement
Assignee: Robin Watts
URL:
Keywords: bountiable
Depends on:
Blocks:
 
Reported: 2004-10-06 01:33 UTC by Igor Melichev
Modified: 2019-01-16 17:19 UTC (History)
3 users (show)

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Description Igor Melichev 2004-10-06 01:33:03 UTC 
Currently is_monotonic returns "don't know" if the inteval covers more than 1 
cell. If the function has a big number of cells cells (64 or more in 1 
dimension) this check appears too conservative, and the shading decomposition 
appears too tiny. An example is the test file of the bug 687713. (This problem 
is not a part of the problem described in 687713).
Comment 1 leonardo 2008-09-05 06:23:55 UTC 
The function monotonity chack was done a long ago, but we still need a 
monotonity and linearity check for color conversions. Updating the bug title 
and passing to the owner of color spaces.
Comment 2 Michael Vrhel 2011-06-11 23:47:30 UTC 
Another shading bug for Robin to look at and/or close....
Comment 3 Shailesh Mistry 2011-07-12 19:22:09 UTC 
Enhancement still missing in Ghostscript 9.03