Reset clipping mode on every rectangle \clip

Prior to this fix, both of the following:
    \iclip(0,0,9999,9999)\clip(0,0,9999,9999)
    \iclip(0,0,0,0)\clip(0,0,9999,9999)
hid the whole picture in libass. The correct behavior
in both cases is to display the whole picture.

diff --git a/libass/ass_parse.c b/libass/ass_parse.c
index b8c2547698972826a838e6d49f28c4abc81d1698..61479e7f085ae70603706e33734429be0428a40f 100644 (file)
--- a/libass/ass_parse.c
+++ b/libass/ass_parse.c
@@ -663,6 +663,7 @@ char *parse_tag(ASS_Renderer *render_priv, char *p, double pwr)
                 render_priv->state.clip_y0 * (1 - pwr) + y0 * pwr;
             render_priv->state.clip_y1 =
                 render_priv->state.clip_y1 * (1 - pwr) + y1 * pwr;
+            render_priv->state.clip_mode = 0;
         // Might be a vector clip
         } else if (!render_priv->state.clip_drawing) {
             p = parse_vector_clip(render_priv, start);