VSE: Add frame selected operator for preview

This operator moves the view to show the selected visible strips.

Reviewed By: ISS

Differential Revision: https://developer.blender.org/D14222

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/sequencer/SEQ_transform.h b/source/blender/sequencer/SEQ_transform.h
index eb910a5a5d1..a342dfe10a2 100644
--- a/source/blender/sequencer/SEQ_transform.h
+++ b/source/blender/sequencer/SEQ_transform.h
@@ -119,6 +119,22 @@ void SEQ_image_preview_unit_from_px(const struct Scene *scene,
                                     const float co_src[2],
                                     float co_dst[2]);
 
+/**
+ * Get viewport axis aligned bounding box from a collection of sequences.
+ * The collection must have one or more strips
+ *
+ * \param scene: Scene in which strips are located
+ * \param strips: Collection of strips to get the bounding box from
+ * \param apply_rotation: Include sequence rotation transform in the bounding box calculation
+ * \param r_min: Minimum x and y values
+ * \param r_max: Maximum x and y values
+ */
+void SEQ_image_transform_bounding_box_from_collection(struct Scene *scene,
+                                                      struct SeqCollection *strips,
+                                                      bool apply_rotation,
+                                                      float r_min[2],
+                                                      float r_max[2]);
+
 #ifdef __cplusplus
 }
 #endif