fixed handling of empty clip shapes

[swftools.git] / lib / devices / swf.c

diff --git a/lib/devices/swf.c b/lib/devices/swf.c
index fb2c341..8b7e21f 100644 (file)
--- a/lib/devices/swf.c
+++ b/lib/devices/swf.c
@@ -2082,9 +2082,11 @@ static void swf_startclip(gfxdevice_t*dev, gfxline_t*line)
     drawgfxline(dev, line);
     if(i->shapeisempty) {
        /* an empty clip shape is equivalent to a shape with no area */
-       moveto(dev, i->tag, line->x, line->y);
-       lineto(dev, i->tag, line->x, line->y);
-       lineto(dev, i->tag, line->x, line->y);
+       int x = line?line->x:0;
+       int y = line?line->y:0;
+       moveto(dev, i->tag, x,y);
+       lineto(dev, i->tag, x,y);
+       lineto(dev, i->tag, x,y);
     }
     swf_ShapeSetEnd(i->tag);
     swf_ShapeFree(shape);