Erase old logo before drawing new one (XB)
authorH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 2 Dec 2015 11:53:19 +0000 (12:53 +0100)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 2 Dec 2015 12:04:21 +0000 (13:04 +0100)
commit6c9b0c2fe93118c2d98d4667e09544cac74a4d8b
treeb707f874d5a3371e8731c68bb0b2f069b84ffdda
parentf782a1290bdcdaa972d7a7e0d059908d9eee04e2
Erase old logo before drawing new one (XB)

In case of an invalid or absent logo, the previous logo kept being
displayed. Now the area is painted grai first.
 Also fixes a bug in the expose area.
draw.c