Only word wrap on spaces

It looks like VSFilter only ever wraps on spaces, even if the line
length is going to overflow. We should do that as well.
Fixes a pretty confusing problem with scrolling vertical text.

diff --git a/libass/ass_render.c b/libass/ass_render.c
index c9607769c8abd9316e5a1bcfcf4efbe32162158f..2fade830b1211f3a0569df7bcc02271f7e55e8af 100644 (file)
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -1454,13 +1454,9 @@ wrap_lines_smart(ASS_Renderer *render_priv, double max_text_width)
             && (render_priv->state.wrap_style != 2)) {
             break_type = 1;
             break_at = last_space;
-            if (break_at == -1)
-                break_at = i - 1;
-            if (break_at == -1)
-                break_at = 0;
-            ass_msg(render_priv->library, MSGL_DBG2, "overfill at %d", i);
-            ass_msg(render_priv->library, MSGL_DBG2, "line break at %d",
-                    break_at);
+            if (break_at >= 0)
+                ass_msg(render_priv->library, MSGL_DBG2, "line break at %d",
+                        break_at);
         }
 
         if (break_at != -1) {