Restrict internal lat/lon values in coord line drawing so it doesn't go into
loops of potentially *massive* iteratations.
---
src/vikcoordlayer.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/vikcoordlayer.c b/src/vikcoordlayer.c
index 2302d65..78fd93e 100644
--- a/src/vikcoordlayer.c
+++ b/src/vikcoordlayer.c
@@ -332,6 +332,17 @@ void vik_coord_layer_draw ( VikCoordLayer *vcl, gpointer
data )
max.lat = (topleft.lat > topright.lat) ? topleft.lat : topright.lat;
}
+ /* Can zoom out more than whole world and so the above can give invalid
positions */
+ /* Restrict values properly so drawing doesn't go into a near 'infinite'
loop */
+ if ( min.lon < -180.0 )
+ min.lon = -180.0;
+ if ( max.lon > 180.0 )
+ max.lon = 180.0;
+ if ( min.lat < -90.0 )
+ min.lat = -90.0;
+ if ( max.lat > 90.0 )
+ max.lat = 90.0;
+
lon = ((double) ((long) ((min.lon)/ vcl->deg_inc))) * vcl->deg_inc;
ll.lon = ll2.lon = lon;
--
1.7.1
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