[gs-cvs] rev 7218 - trunk/gs/src

[leonardo at ghostscript.com]

Author: leonardo
Date: 2006-11-22 11:56:29 -0800 (Wed, 22 Nov 2006)
New Revision: 7218

Modified:
   trunk/gs/src/gxshade1.c
Log:
Fix (shadings) : Radial shadings sometimes missed Extend.

DETAILS :

Debugged with CET 09-47I.PS SpecialTestH08Test06.

The old code wrongly computed parameter range for the extent,
when there exist 2 tangenting circles. 
In this case the visible part of the extent prolongues to the farest circle.
The old code restricts the extent with the nearest circle.

EXPECTED DIFFERENCES :

None.


Modified: trunk/gs/src/gxshade1.c
===================================================================
--- trunk/gs/src/gxshade1.c	2006-11-22 02:03:00 UTC (rev 7217)
+++ trunk/gs/src/gxshade1.c	2006-11-22 19:56:29 UTC (rev 7218)
@@ -427,7 +427,7 @@
 	sq = (rect->q.y - y0 + r0) / (y1 - y0 - r1 + r0);
     }
     if (sp >= 1 && sq >= 1)
-	s = min(sp, sq);
+	s = max(sp, sq);
     else if(sp >= 1)
 	s = sp;
     else if (sq >= 1)