VSE: reset strip transform with "Set Render Size" operator

Reset the active strip offset and scale, in the "Set Render Size"
operator (`SEQUENCER_OT_rendersize`). This ensures that the active strip
will actually fit the new render size, which is what the operator is
intended to achieve.

1 files changed, 6 insertions, 0 deletions

diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index f665225e8f5..7279fdd2da2 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -2305,7 +2305,13 @@ static int sequencer_rendersize_exec(bContext *C, wmOperator *UNUSED(op))
   scene->r.xsch = se->orig_width;
   scene->r.ysch = se->orig_height;
 
+  active_seq->strip->transform->scale_x = active_seq->strip->transform->scale_y = 1.0f;
+  active_seq->strip->transform->xofs = active_seq->strip->transform->yofs = 0.0f;
+
+  SEQ_relations_invalidate_cache_preprocessed(scene, active_seq);
   WM_event_add_notifier(C, NC_SCENE | ND_RENDER_OPTIONS, scene);
+  WM_event_add_notifier(C, NC_SPACE | ND_SPACE_SEQUENCER, NULL);
+
   return OPERATOR_FINISHED;
 }