Files
workinf_Blender_Wasm/blender-5.2.0/source/blender/blenkernel/BKE_mask.hh
2026-08-12 04:47:48 -04:00

403 lines
15 KiB
C++

/* SPDX-FileCopyrightText: 2012 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bke
*/
#include "DNA_listBase.h"
#include "DNA_mask_types.h"
namespace blender {
#ifndef SELECT
# define SELECT 1
#endif
struct BezTriple;
struct Depsgraph;
struct Image;
struct ImageUser;
struct Main;
struct MovieClip;
struct MovieClipUser;
/* `mask_ops.cc` */
enum eMaskWhichHandle {
MASK_WHICH_HANDLE_NONE = 0,
MASK_WHICH_HANDLE_STICK = 1,
MASK_WHICH_HANDLE_LEFT = 2,
MASK_WHICH_HANDLE_RIGHT = 3,
MASK_WHICH_HANDLE_BOTH = 4,
};
enum eMaskhandleMode {
MASK_HANDLE_MODE_STICK = 1,
MASK_HANDLE_MODE_INDIVIDUAL_HANDLES = 2,
};
/* -------------------------------------------------------------------- */
/** \name Mask Layers
* \{ */
MaskLayer *BKE_mask_layer_new(Mask *mask, const char *name);
/**
* \note The returned mask-layer may be hidden, caller needs to check.
*/
MaskLayer *BKE_mask_layer_active(Mask *mask);
MaskLayer *BKE_mask_layer_by_name(Mask *mask, const char *layer_name);
void BKE_mask_layer_active_set(Mask *mask, MaskLayer *masklay);
void BKE_mask_layer_remove(Mask *mask, MaskLayer *masklay);
/** \brief Free all animation keys for a mask layer. */
void BKE_mask_layer_free_shapes(MaskLayer *masklay);
void BKE_mask_layer_free(MaskLayer *masklay);
void BKE_mask_layer_free_list(ListBaseT<MaskLayer> *masklayers);
void BKE_mask_spline_free(MaskSpline *spline);
void BKE_mask_spline_free_list(ListBaseT<MaskSpline> *splines);
MaskSpline *BKE_mask_spline_copy(const MaskSpline *spline);
void BKE_mask_point_free(MaskSplinePoint *point);
void BKE_mask_layer_unique_name(Mask *mask, MaskLayer *masklay);
void BKE_mask_layer_rename(Mask *mask,
MaskLayer *masklay,
const char *oldname,
const char *newname);
MaskLayer *BKE_mask_layer_copy(const MaskLayer *masklay);
void BKE_mask_layer_copy_list(ListBaseT<MaskLayer> *masklayers_new,
const ListBaseT<MaskLayer> *masklayers);
struct MaskLayerShapeElem {
float point[3][2];
float weight;
float radius;
};
/* MaskLayerShapeElem is serialized as 8 floats in DNA data. */
static_assert(sizeof(MaskLayerShapeElem) == 8 * sizeof(float),
"MaskLayerShapeElem expected size mismatch");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Splines
* \{ */
MaskSplinePoint *BKE_mask_spline_point_array(MaskSpline *spline);
MaskSplinePoint *BKE_mask_spline_point_array_from_point(MaskSpline *spline,
const MaskSplinePoint *point_ref);
MaskSpline *BKE_mask_spline_add(MaskLayer *masklay);
void BKE_mask_spline_move_to_layer(MaskSpline *spline,
MaskLayer *src_mask_layer,
MaskLayer *dst_mask_layer);
bool BKE_mask_spline_remove(MaskLayer *mask_layer, MaskSpline *spline);
void BKE_mask_point_direction_switch(MaskSplinePoint *point);
void BKE_mask_spline_direction_switch(MaskLayer *masklay, MaskSpline *spline);
BezTriple *BKE_mask_spline_point_next_bezt(MaskSpline *spline,
MaskSplinePoint *points_array,
MaskSplinePoint *point);
enum eMaskSign {
MASK_PROJ_NEG = -1,
MASK_PROJ_ANY = 0,
MASK_PROJ_POS = 1,
};
float BKE_mask_spline_project_co(
MaskSpline *spline, MaskSplinePoint *point, float start_u, const float co[2], eMaskSign sign);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Point
* \{ */
eMaskhandleMode BKE_mask_point_handles_mode_get(const MaskSplinePoint *point);
void BKE_mask_point_handle(const MaskSplinePoint *point,
eMaskWhichHandle which_handle,
float r_handle[2]);
void BKE_mask_point_set_handle(MaskSplinePoint *point,
eMaskWhichHandle which_handle,
float loc[2],
bool keep_direction,
float orig_handle[2],
float orig_vec[3][3]);
void BKE_mask_point_segment_co(MaskSpline *spline, MaskSplinePoint *point, float u, float co[2]);
void BKE_mask_point_normal(MaskSpline *spline, MaskSplinePoint *point, float u, float n[2]);
float BKE_mask_point_weight_scalar(MaskSpline *spline, MaskSplinePoint *point, float u);
float BKE_mask_point_weight(MaskSpline *spline, MaskSplinePoint *point, float u);
MaskSplinePointUW *BKE_mask_point_sort_uw(MaskSplinePoint *point, MaskSplinePointUW *uw);
void BKE_mask_point_add_uw(MaskSplinePoint *point, float u, float w);
void BKE_mask_point_select_set(MaskSplinePoint *point, bool do_select);
void BKE_mask_point_select_set_handle(MaskSplinePoint *point,
eMaskWhichHandle which_handle,
bool do_select);
inline bool BKE_mask_point_selected(const MaskSplinePoint *p)
{
return ((p->bezt.f1 | p->bezt.f2 | p->bezt.f3) & SELECT) != 0;
}
inline bool BKE_mask_point_selected_knot(const MaskSplinePoint *p)
{
return (p->bezt.f2 & SELECT) != 0;
}
inline bool BKE_mask_point_is_handle_selected(const MaskSplinePoint *point,
eMaskWhichHandle handle)
{
return (handle == MASK_WHICH_HANDLE_STICK ? (point->bezt.f1 | point->bezt.f3) & SELECT :
(handle == MASK_WHICH_HANDLE_LEFT) ? (point->bezt.f1 & SELECT) :
(point->bezt.f3 & SELECT)) != 0;
}
inline void BKE_mask_point_select_handles(MaskSplinePoint *p)
{
p->bezt.f1 |= BEZT_FLAG_SELECT;
p->bezt.f2 |= BEZT_FLAG_SELECT;
p->bezt.f3 |= BEZT_FLAG_SELECT;
}
inline void BKE_mask_point_deselect_handles(MaskSplinePoint *p)
{
p->bezt.f1 &= ~BEZT_FLAG_SELECT;
p->bezt.f2 &= ~BEZT_FLAG_SELECT;
p->bezt.f3 &= ~BEZT_FLAG_SELECT;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name General
* \{ */
Mask *BKE_mask_new(Main *bmain, const char *name);
void BKE_mask_coord_from_frame(float r_co[2], const float co[2], const float frame_size[2]);
void BKE_mask_coord_from_movieclip(MovieClip *clip,
MovieClipUser *user,
float r_co[2],
const float co[2]);
void BKE_mask_coord_from_image(Image *image, ImageUser *iuser, float r_co[2], const float co[2]);
/**
* Inverse of #BKE_mask_coord_from_image.
*/
void BKE_mask_coord_to_frame(float r_co[2], const float co[2], const float frame_size[2]);
void BKE_mask_coord_to_movieclip(MovieClip *clip,
MovieClipUser *user,
float r_co[2],
const float co[2]);
void BKE_mask_coord_to_image(Image *image, ImageUser *iuser, float r_co[2], const float co[2]);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Parenting
* \{ */
void BKE_mask_evaluate(Mask *mask, float ctime, bool do_newframe);
void BKE_mask_layer_evaluate(MaskLayer *masklay, float ctime, bool do_newframe);
void BKE_mask_parent_init(MaskParent *parent);
void BKE_mask_calc_handle_adjacent_interp(MaskSpline *spline, MaskSplinePoint *point, float u);
/**
* Calculates the tangent of a point by its previous and next
* (ignoring handles - as if its a poly line).
*/
void BKE_mask_calc_tangent_polyline(MaskSpline *spline, MaskSplinePoint *point, float t[2]);
void BKE_mask_calc_handle_point(MaskSpline *spline, MaskSplinePoint *point);
/**
* \brief Resets auto handles even for non-auto bezier points
*
* Useful for giving sane defaults.
*/
void BKE_mask_calc_handle_point_auto(MaskSpline *spline,
MaskSplinePoint *point,
bool do_recalc_length);
void BKE_mask_get_handle_point_adjacent(MaskSpline *spline,
MaskSplinePoint *point,
MaskSplinePoint **r_point_prev,
MaskSplinePoint **r_point_next);
void BKE_mask_layer_calc_handles(MaskLayer *masklay);
void BKE_mask_spline_ensure_deform(MaskSpline *spline);
void BKE_mask_point_parent_matrix_get(MaskSplinePoint *point,
float ctime,
float parent_matrix[3][3]);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Animation
* \{ */
int BKE_mask_layer_shape_totvert(MaskLayer *masklay);
/**
* Inverse of #BKE_mask_layer_shape_to_mask
*/
void BKE_mask_layer_shape_from_mask(MaskLayer *masklay, MaskLayerShape *masklay_shape);
/**
* Inverse of #BKE_mask_layer_shape_from_mask
*/
void BKE_mask_layer_shape_to_mask(MaskLayer *masklay, MaskLayerShape *masklay_shape);
/**
* \note Linear interpolation only.
*/
void BKE_mask_layer_shape_to_mask_interp(MaskLayer *masklay,
MaskLayerShape *masklay_shape_a,
MaskLayerShape *masklay_shape_b,
float fac);
MaskLayerShape *BKE_mask_layer_shape_find_frame(MaskLayer *masklay, int frame);
/**
* When returning 2 - the frame isn't found but before/after frames are.
*/
int BKE_mask_layer_shape_find_frame_range(MaskLayer *masklay,
float frame,
MaskLayerShape **r_masklay_shape_a,
MaskLayerShape **r_masklay_shape_b);
/**
* \note Does *not* add to the list.
*/
MaskLayerShape *BKE_mask_layer_shape_alloc(MaskLayer *masklay, int frame);
void BKE_mask_layer_shape_free(MaskLayerShape *masklay_shape);
MaskLayerShape *BKE_mask_layer_shape_verify_frame(MaskLayer *masklay, int frame);
MaskLayerShape *BKE_mask_layer_shape_duplicate(MaskLayerShape *masklay_shape);
void BKE_mask_layer_shape_unlink(MaskLayer *masklay, MaskLayerShape *masklay_shape);
void BKE_mask_layer_shape_sort(MaskLayer *masklay);
bool BKE_mask_layer_shape_spline_from_index(MaskLayer *masklay,
int index,
MaskSpline **r_masklay_shape,
int *r_index);
int BKE_mask_layer_shape_spline_to_index(MaskLayer *masklay, MaskSpline *spline);
/**
* When a new points added, resizing all shape-key arrays.
*/
void BKE_mask_layer_shape_changed_add(MaskLayer *masklay,
int index,
bool do_init,
bool do_init_interpolate);
/**
* Move array elements to account for removed point.
*/
void BKE_mask_layer_shape_changed_remove(MaskLayer *masklay, int index, int count);
int BKE_mask_get_duration(Mask *mask);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Clipboard
* \{ */
/**
* Free the clipboard.
*/
void BKE_mask_clipboard_free();
/**
* Copy selected visible splines from the given layer to clipboard.
*/
void BKE_mask_clipboard_copy_from_layer(MaskLayer *mask_layer);
/**
* Check clipboard is empty.
*/
bool BKE_mask_clipboard_is_empty();
/**
* Paste the contents of clipboard to given mask layer.
*/
void BKE_mask_clipboard_paste_to_layer(Main *bmain, MaskLayer *mask_layer);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Evaluation
* \{ */
/* `mask_evaluate.cc` */
int BKE_mask_spline_resolution(MaskSpline *spline, int width, int height);
unsigned int BKE_mask_spline_feather_resolution(MaskSpline *spline, int width, int height);
int BKE_mask_spline_differentiate_calc_total(const MaskSpline *spline, unsigned int resol);
float (*BKE_mask_spline_differentiate_with_resolution(MaskSpline *spline,
unsigned int resol,
unsigned int *r_tot_diff_point))[2];
void BKE_mask_spline_feather_collapse_inner_loops(MaskSpline *spline,
float (*feather_points)[2],
unsigned int tot_feather_point);
float (*BKE_mask_spline_differentiate(
MaskSpline *spline, int width, int height, unsigned int *r_tot_diff_point))[2];
/**
* values align with #BKE_mask_spline_differentiate_with_resolution
* when \a resol arguments match.
*/
float (*BKE_mask_spline_feather_differentiated_points_with_resolution(
MaskSpline *spline,
unsigned int resol,
bool do_feather_isect,
unsigned int *r_tot_feather_point))[2];
/* *** mask point functions which involve evaluation *** */
float (*BKE_mask_spline_feather_points(MaskSpline *spline, int *tot_feather_point))[2];
float *BKE_mask_point_segment_diff(MaskSpline *spline,
MaskSplinePoint *point,
int width,
int height,
unsigned int *r_tot_diff_point);
/* *** mask point functions which involve evaluation *** */
float *BKE_mask_point_segment_feather_diff(MaskSpline *spline,
MaskSplinePoint *point,
int width,
int height,
unsigned int *r_tot_feather_point);
void BKE_mask_layer_evaluate_animation(MaskLayer *masklay, float ctime);
void BKE_mask_layer_evaluate_deform(MaskLayer *masklay, float ctime);
void BKE_mask_eval_animation(Depsgraph *depsgraph, Mask *mask);
void BKE_mask_eval_update(Depsgraph *depsgraph, Mask *mask);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Rasterization
* \{ */
/* `mask_rasterize.cc` */
struct MaskRasterHandle;
MaskRasterHandle *BKE_maskrasterize_handle_new();
void BKE_maskrasterize_handle_free(MaskRasterHandle *mr_handle);
void BKE_maskrasterize_handle_init(MaskRasterHandle *mr_handle,
Mask *mask,
int width,
int height,
bool do_aspect_correct,
bool do_mask_aa,
bool do_feather);
float BKE_maskrasterize_handle_sample(MaskRasterHandle *mr_handle, const float xy[2]);
/**
* \brief Rasterize a buffer from a single mask (threaded execution).
*/
void BKE_maskrasterize_buffer(MaskRasterHandle *mr_handle,
unsigned int width,
unsigned int height,
float *buffer);
/** \} */
} // namespace blender