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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2009 Blender Foundation. All rights reserved. */
/** \file
* \ingroup editors
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
struct ARegion;
struct ImBuf;
struct Main;
struct Mask;
struct MovieClip;
struct SpaceClip;
struct bContext;
struct bScreen;
/* ** clip_editor.c ** */
/* Returns true when the following conditions are met:
* - Current space is Space Clip.
* - There is a movie clip opened in it. */
bool ED_space_clip_poll(struct bContext *C);
/* Returns true when the following conditions are met:
* - Current space is Space Clip.
* - It is set to Clip view.
*
* It is not required to have movie clip opened for editing. */
bool ED_space_clip_view_clip_poll(struct bContext *C);
/* Returns true when the following conditions are met:
* - Current space is Space Clip.
* - It is set to Tracking mode.
*
* It is not required to have movie clip opened for editing. */
bool ED_space_clip_tracking_poll(struct bContext *C);
/* Returns true when the following conditions are met:
* - Current space is Space Clip.
* - It is set to Mask mode.
*
* It is not required to have mask opened for editing. */
bool ED_space_clip_maskedit_poll(struct bContext *C);
/* Returns true when the following conditions are met:
* - Current space is Space Clip.
* - It is set to Mask mode.
* - The space has mask opened. */
bool ED_space_clip_maskedit_mask_poll(struct bContext *C);
void ED_space_clip_get_size(struct SpaceClip *sc, int *width, int *height);
void ED_space_clip_get_size_fl(struct SpaceClip *sc, float size[2]);
void ED_space_clip_get_zoom(struct SpaceClip *sc,
struct ARegion *region,
float *zoomx,
float *zoomy);
void ED_space_clip_get_aspect(struct SpaceClip *sc, float *aspx, float *aspy);
void ED_space_clip_get_aspect_dimension_aware(struct SpaceClip *sc, float *aspx, float *aspy);
/**
* Return current frame number in clip space.
*/
int ED_space_clip_get_clip_frame_number(struct SpaceClip *sc);
struct ImBuf *ED_space_clip_get_buffer(struct SpaceClip *sc);
struct ImBuf *ED_space_clip_get_stable_buffer(struct SpaceClip *sc,
float loc[2],
float *scale,
float *angle);
bool ED_space_clip_get_position(struct SpaceClip *sc,
struct ARegion *region,
int mval[2],
float fpos[2]);
/**
* Returns color in linear space, matching #ED_space_image_color_sample().
*/
bool ED_space_clip_color_sample(struct SpaceClip *sc,
struct ARegion *region,
const int mval[2],
float r_col[3]);
void ED_clip_update_frame(const struct Main *mainp, int cfra);
bool ED_clip_view_selection(const struct bContext *C, struct ARegion *region, bool fit);
void ED_clip_select_all(struct SpaceClip *sc, int action, bool *r_has_selection);
bool ED_clip_can_select(struct bContext *C);
void ED_clip_point_undistorted_pos(struct SpaceClip *sc, const float co[2], float r_co[2]);
void ED_clip_point_stable_pos(
struct SpaceClip *sc, struct ARegion *region, float x, float y, float *xr, float *yr);
/**
* \brief the reverse of #ED_clip_point_stable_pos(), gets the marker region coords.
* better name here? view_to_track / track_to_view or so?
*/
void ED_clip_point_stable_pos__reverse(struct SpaceClip *sc,
struct ARegion *region,
const float co[2],
float r_co[2]);
/**
* Takes `event->mval`.
*/
void ED_clip_mouse_pos(struct SpaceClip *sc,
struct ARegion *region,
const int mval[2],
float co[2]);
bool ED_space_clip_check_show_trackedit(struct SpaceClip *sc);
bool ED_space_clip_check_show_maskedit(struct SpaceClip *sc);
struct MovieClip *ED_space_clip_get_clip(struct SpaceClip *sc);
void ED_space_clip_set_clip(struct bContext *C,
struct bScreen *screen,
struct SpaceClip *sc,
struct MovieClip *clip);
struct Mask *ED_space_clip_get_mask(struct SpaceClip *sc);
void ED_space_clip_set_mask(struct bContext *C, struct SpaceClip *sc, struct Mask *mask);
/* Locked state is used to preserve current clip editor viewport upon changes. Example usage:
*
* ...
*
* ClipViewLockState lock_state;
* ED_clip_view_lock_state_store(C, &lock_state);
*
* <change selection>
*
* ED_clip_view_lock_state_restore_no_jump(C, &lock_state);
*
* These function are to be used from space clip editor context only. Otherwise debug builds will
* assert, release builds will crash. */
typedef struct ClipViewLockState {
float offset_x, offset_y;
float lock_offset_x, lock_offset_y;
float zoom;
} ClipViewLockState;
void ED_clip_view_lock_state_store(const struct bContext *C, ClipViewLockState *state);
void ED_clip_view_lock_state_restore_no_jump(const struct bContext *C,
const ClipViewLockState *state);
/* ** clip_ops.c ** */
void ED_operatormacros_clip(void);
#ifdef __cplusplus
}
#endif
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