Fix degenerate arcs

Make sure that degenerate arcs become a move_to-line_to sequence instead of just a move_to. Fixes get-path-extents.
git-mirror · Nov 26, 2010 · 2b3d8de · 2b3d8de
1 parent fafca7a
commit 2b3d8de
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diff --git a/src/cairo-arc.c b/src/cairo-arc.c
@@ -231,6 +231,10 @@ _cairo_arc_in_direction (cairo_t	  *cr,
 				angle,
 				angle + angle_step);
 	}
+    } else {
+	cairo_line_to (cr,
+		       xc + radius * cos (angle_min),
+		       yc + radius * sin (angle_min));
     }
 }
 

diff --git a/src/cairo.c b/src/cairo.c
@@ -1852,6 +1852,7 @@ cairo_arc (cairo_t *cr,
 
     /* Do nothing, successfully, if radius is <= 0 */
     if (radius <= 0.0) {
+	cairo_line_to (cr, xc, yc); /* might become a move_to */
 	cairo_line_to (cr, xc, yc);
 	return;
     }