Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/sequencer/SEQ_time.hh

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+/* SPDX-FileCopyrightText: 2004 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup sequencer
+ */
+
+#include "DNA_listBase.h"
+
+namespace blender {
+
+struct Scene;
+struct Strip;
+struct rctf;
+
+namespace seq {
+
+/**
+ * Initialize given rectangle with the Scene's timeline boundaries.
+ *
+ * \param scene: the Scene instance whose timeline boundaries are extracted from
+ * \param r_rect: output parameter to be filled with timeline boundaries
+ */
+void timeline_init_boundbox(const Scene *scene, rctf *r_rect);
+/**
+ * Stretch the given rectangle to include the given strips boundaries
+ *
+ * \param seqbase: List in which strips are located
+ * \param rect: output parameter to be filled with strips' boundaries
+ */
+void timeline_expand_boundbox(const Scene *scene, const ListBaseT<Strip> *seqbase, rctf *rect);
+/**
+ * Define boundary rectangle of sequencer timeline and fill in rect data
+ *
+ * \param scene: Scene in which strips are located
+ * \param seqbase: List in which strips are located
+ * \param r_rect: data structure describing rectangle, that will be filled in by this function
+ */
+void timeline_boundbox(const Scene *scene, const ListBaseT<Strip> *seqbase, rctf *r_rect);
+/**
+ * Find start or end position of next or previous strip.
+ * \param scene: Video editing scene
+ * \param timeline_frame: reference frame for searching
+ * \param side: direction of searching, `SIDE_LEFT`, `SIDE_RIGHT` or `SIDE_BOTH`.
+ * \param do_center: find closest strip center if true, otherwise finds closest handle position.
+ * \param do_unselected: only find closest position of unselected strip.
+ */
+int time_find_next_prev_edit(Scene *scene,
+                             int timeline_frame,
+                             short side,
+                             bool do_skip_mute,
+                             bool do_center,
+                             bool do_unselected);
+/* Convert timeline frame so strip frame index. */
+float give_frame_index(const Scene *scene, const Strip *strip, float timeline_frame);
+/**
+ * Update meta strip content start and end, update sound playback range.
+ * To be used after any contained strip length or position has changed.
+ *
+ * \note this function is currently only used internally and in versioning code.
+ */
+void time_update_meta_strip_range(const Scene *scene, Strip *strip_meta);
+/**
+ * Move contents of a strip without moving the strip handles.
+ */
+void time_slip_strip(
+    const Scene *scene, Strip *strip, int frame_delta, float subframe_delta, bool slip_keyframes);
+
+}  // namespace seq
+}  // namespace blender