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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2012 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation,
* Sergey Sharybin
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mask/mask_add.c
* \ingroup edmask
*/
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_mask.h"
#include "DNA_scene_types.h"
#include "DNA_mask_types.h"
#include "DNA_object_types.h" /* SELECT */
#include "WM_api.h"
#include "WM_types.h"
#include "ED_mask.h" /* own include */
#include "RNA_access.h"
#include "RNA_define.h"
#include "mask_intern.h" /* own include */
static int find_nearest_diff_point(bContext *C, Mask *mask, const float normal_co[2], int threshold, int feather,
MaskLayer **masklay_r, MaskSpline **spline_r, MaskSplinePoint **point_r,
float *u_r, float tangent[2],
const short use_deform)
{
MaskLayer *masklay, *point_masklay;
MaskSpline *point_spline;
MaskSplinePoint *point = NULL;
float dist, co[2];
int width, height;
float u;
float scalex, scaley, aspx, aspy;
ED_mask_size(C, &width, &height);
ED_mask_aspect(C, &aspx, &aspy);
ED_mask_pixelspace_factor(C, &scalex, &scaley);
co[0] = normal_co[0] * scalex;
co[1] = normal_co[1] * scaley;
for (masklay = mask->masklayers.first; masklay; masklay = masklay->next) {
MaskSpline *spline;
if (masklay->restrictflag & (MASK_RESTRICT_VIEW | MASK_RESTRICT_SELECT)) {
continue;
}
for (spline = masklay->splines.first; spline; spline = spline->next) {
int i;
MaskSplinePoint *cur_point;
for (i = 0, cur_point = use_deform ? spline->points_deform : spline->points;
i < spline->tot_point;
i++, cur_point++)
{
float *diff_points;
int tot_diff_point;
diff_points = BKE_mask_point_segment_diff_with_resolution(spline, cur_point, width, height,
&tot_diff_point);
if (diff_points) {
int i, tot_feather_point, tot_point;
float *feather_points = NULL, *points;
if (feather) {
feather_points = BKE_mask_point_segment_feather_diff_with_resolution(spline, cur_point,
width, height,
&tot_feather_point);
points = feather_points;
tot_point = tot_feather_point;
}
else {
points = diff_points;
tot_point = tot_diff_point;
}
for (i = 0; i < tot_point - 1; i++) {
float cur_dist, a[2], b[2];
a[0] = points[2 * i] * scalex;
a[1] = points[2 * i + 1] * scaley;
b[0] = points[2 * i + 2] * scalex;
b[1] = points[2 * i + 3] * scaley;
cur_dist = dist_to_line_segment_v2(co, a, b);
if (point == NULL || cur_dist < dist) {
if (tangent)
sub_v2_v2v2(tangent, &diff_points[2 * i + 2], &diff_points[2 * i]);
point_masklay = masklay;
point_spline = spline;
point = use_deform ? &spline->points[(cur_point - spline->points_deform)] : cur_point;
dist = cur_dist;
u = (float)i / tot_point;
}
}
if (feather_points)
MEM_freeN(feather_points);
MEM_freeN(diff_points);
}
}
}
}
if (point && dist < threshold) {
if (masklay_r)
*masklay_r = point_masklay;
if (spline_r)
*spline_r = point_spline;
if (point_r)
*point_r = point;
if (u_r) {
u = BKE_mask_spline_project_co(point_spline, point, u, normal_co, MASK_PROJ_ANY);
*u_r = u;
}
return TRUE;
}
if (masklay_r)
*masklay_r = NULL;
if (spline_r)
*spline_r = NULL;
if (point_r)
*point_r = NULL;
return FALSE;
}
/******************** add vertex *********************/
static void setup_vertex_point(bContext *C, Mask *mask, MaskSpline *spline, MaskSplinePoint *new_point,
const float point_co[2], const float tangent[2], const float u,
MaskSplinePoint *reference_point, const short reference_adjacent)
{
MaskSplinePoint *prev_point = NULL;
MaskSplinePoint *next_point = NULL;
BezTriple *bezt;
int width, height;
float co[3];
const float len = 20.0; /* default length of handle in pixel space */
copy_v2_v2(co, point_co);
co[2] = 0.0f;
ED_mask_size(C, &width, &height);
/* point coordinate */
bezt = &new_point->bezt;
bezt->h1 = bezt->h2 = HD_ALIGN;
if (reference_point) {
bezt->h1 = bezt->h2 = MAX2(reference_point->bezt.h2, reference_point->bezt.h1);
}
else if (reference_adjacent) {
if (spline->tot_point != 1) {
int index = (int)(new_point - spline->points);
prev_point = &spline->points[(index - 1) % spline->tot_point];
next_point = &spline->points[(index + 1) % spline->tot_point];
bezt->h1 = bezt->h2 = MAX2(prev_point->bezt.h2, next_point->bezt.h1);
/* note, we may want to copy other attributes later, radius? pressure? color? */
}
}
copy_v3_v3(bezt->vec[0], co);
copy_v3_v3(bezt->vec[1], co);
copy_v3_v3(bezt->vec[2], co);
/* initial offset for handles */
if (spline->tot_point == 1) {
/* first point of splien is aligned horizontally */
bezt->vec[0][0] -= len / width;
bezt->vec[2][0] += len / width;
}
else if (tangent) {
float vec[2];
copy_v2_v2(vec, tangent);
vec[0] *= width;
vec[1] *= height;
mul_v2_fl(vec, len / len_v2(vec));
vec[0] /= width;
vec[1] /= height;
sub_v2_v2(bezt->vec[0], vec);
add_v2_v2(bezt->vec[2], vec);
if (reference_adjacent) {
BKE_mask_calc_handle_adjacent_interp(spline, new_point, u);
}
}
else {
/* calculating auto handles works much nicer */
#if 0
/* next points are aligning in the direction of previous/next point */
MaskSplinePoint *point;
float v1[2], v2[2], vec[2];
float dir = 1.0f;
if (new_point == spline->points) {
point = new_point + 1;
dir = -1.0f;
}
else
point = new_point - 1;
if (spline->tot_point < 3) {
v1[0] = point->bezt.vec[1][0] * width;
v1[1] = point->bezt.vec[1][1] * height;
v2[0] = new_point->bezt.vec[1][0] * width;
v2[1] = new_point->bezt.vec[1][1] * height;
}
else {
if (new_point == spline->points) {
v1[0] = spline->points[1].bezt.vec[1][0] * width;
v1[1] = spline->points[1].bezt.vec[1][1] * height;
v2[0] = spline->points[spline->tot_point - 1].bezt.vec[1][0] * width;
v2[1] = spline->points[spline->tot_point - 1].bezt.vec[1][1] * height;
}
else {
v1[0] = spline->points[0].bezt.vec[1][0] * width;
v1[1] = spline->points[0].bezt.vec[1][1] * height;
v2[0] = spline->points[spline->tot_point - 2].bezt.vec[1][0] * width;
v2[1] = spline->points[spline->tot_point - 2].bezt.vec[1][1] * height;
}
}
sub_v2_v2v2(vec, v1, v2);
mul_v2_fl(vec, len * dir / len_v2(vec));
vec[0] /= width;
vec[1] /= height;
add_v2_v2(bezt->vec[0], vec);
sub_v2_v2(bezt->vec[2], vec);
#else
BKE_mask_calc_handle_point_auto(spline, new_point, TRUE);
BKE_mask_calc_handle_adjacent_interp(spline, new_point, u);
#endif
}
BKE_mask_parent_init(&new_point->parent);
/* select new point */
MASKPOINT_SEL_ALL(new_point);
ED_mask_select_flush_all(mask);
}
/* **** add extrude vertex **** */
static void finSelectedSplinePoint(MaskLayer *masklay, MaskSpline **spline, MaskSplinePoint **point, short check_active)
{
MaskSpline *cur_spline = masklay->splines.first;
*spline = NULL;
*point = NULL;
if (check_active) {
if (masklay->act_spline && masklay->act_point && MASKPOINT_ISSEL_ANY(masklay->act_point)) {
*spline = masklay->act_spline;
*point = masklay->act_point;
return;
}
}
while (cur_spline) {
int i;
for (i = 0; i < cur_spline->tot_point; i++) {
MaskSplinePoint *cur_point = &cur_spline->points[i];
if (MASKPOINT_ISSEL_ANY(cur_point)) {
if (*spline != NULL && *spline != cur_spline) {
*spline = NULL;
*point = NULL;
return;
}
else if (*point) {
*point = NULL;
}
else {
*spline = cur_spline;
*point = cur_point;
}
}
}
cur_spline = cur_spline->next;
}
}
/* **** add subdivide vertex **** */
static void mask_spline_add_point_at_index(MaskSpline *spline, int point_index)
{
MaskSplinePoint *new_point_array;
new_point_array = MEM_callocN(sizeof(MaskSplinePoint) * (spline->tot_point + 1), "add mask vert points");
memcpy(new_point_array, spline->points, sizeof(MaskSplinePoint) * (point_index + 1));
memcpy(new_point_array + point_index + 2, spline->points + point_index + 1,
sizeof(MaskSplinePoint) * (spline->tot_point - point_index - 1));
MEM_freeN(spline->points);
spline->points = new_point_array;
spline->tot_point++;
}
static int add_vertex_subdivide(bContext *C, Mask *mask, const float co[2])
{
MaskLayer *masklay;
MaskSpline *spline;
MaskSplinePoint *point = NULL;
const float threshold = 9;
float tangent[2];
float u;
if (find_nearest_diff_point(C, mask, co, threshold, FALSE, &masklay, &spline, &point, &u, tangent, TRUE)) {
MaskSplinePoint *new_point;
int point_index = point - spline->points;
ED_mask_select_toggle_all(mask, SEL_DESELECT);
mask_spline_add_point_at_index(spline, point_index);
new_point = &spline->points[point_index + 1];
setup_vertex_point(C, mask, spline, new_point, co, tangent, u, NULL, TRUE);
/* TODO - we could pass the spline! */
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index + 1, TRUE, TRUE);
masklay->act_point = new_point;
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return TRUE;
}
return FALSE;
}
static int add_vertex_extrude(bContext *C, Mask *mask, MaskLayer *masklay, const float co[2])
{
MaskSpline *spline;
MaskSplinePoint *point;
MaskSplinePoint *new_point = NULL, *ref_point = NULL;
/* check on which side we want to add the point */
int point_index;
float tangent_point[2];
float tangent_co[2];
int do_cyclic_correct = FALSE;
int do_recalc_src = FALSE; /* when extruding from endpoints only */
int do_prev; /* use prev point rather then next?? */
if (!masklay) {
return FALSE;
}
else {
finSelectedSplinePoint(masklay, &spline, &point, TRUE);
}
ED_mask_select_toggle_all(mask, SEL_DESELECT);
point_index = (point - spline->points);
MASKPOINT_DESEL_ALL(point);
if ((spline->flag & MASK_SPLINE_CYCLIC) ||
(point_index > 0 && point_index != spline->tot_point - 1))
{
BKE_mask_calc_tangent_polyline(spline, point, tangent_point);
sub_v2_v2v2(tangent_co, co, point->bezt.vec[1]);
if (dot_v2v2(tangent_point, tangent_co) < 0.0f) {
do_prev = TRUE;
}
else {
do_prev = FALSE;
}
}
else if (((spline->flag & MASK_SPLINE_CYCLIC) == 0) && (point_index == 0)) {
do_prev = TRUE;
do_recalc_src = TRUE;
}
else if (((spline->flag & MASK_SPLINE_CYCLIC) == 0) && (point_index == spline->tot_point - 1)) {
do_prev = FALSE;
do_recalc_src = TRUE;
}
else {
do_prev = FALSE; /* quiet warning */
/* should never get here */
BLI_assert(0);
}
/* use the point before the active one */
if (do_prev) {
point_index--;
if (point_index < 0) {
point_index += spline->tot_point; /* wrap index */
if ((spline->flag & MASK_SPLINE_CYCLIC) == 0) {
do_cyclic_correct = TRUE;
point_index = 0;
}
}
}
// print_v2("", tangent_point);
// printf("%d\n", point_index);
mask_spline_add_point_at_index(spline, point_index);
if (do_cyclic_correct) {
ref_point = &spline->points[point_index + 1];
new_point = &spline->points[point_index];
*ref_point = *new_point;
memset(new_point, 0, sizeof(*new_point));
}
else {
ref_point = &spline->points[point_index];
new_point = &spline->points[point_index + 1];
}
masklay->act_point = new_point;
setup_vertex_point(C, mask, spline, new_point, co, NULL, 0.5f, ref_point, FALSE);
if (masklay->splines_shapes.first) {
point_index = (((int)(new_point - spline->points) + 0) % spline->tot_point);
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index, TRUE, TRUE);
}
if (do_recalc_src) {
/* TODO, update keyframes in time */
BKE_mask_calc_handle_point_auto(spline, ref_point, FALSE);
}
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return TRUE;
}
static int add_vertex_new(bContext *C, Mask *mask, MaskLayer *masklay, const float co[2])
{
MaskSpline *spline;
MaskSplinePoint *point;
MaskSplinePoint *new_point = NULL, *ref_point = NULL;
if (!masklay) {
/* if there's no masklay currently operationg on, create new one */
masklay = BKE_mask_layer_new(mask, "");
mask->masklay_act = mask->masklay_tot - 1;
spline = NULL;
point = NULL;
}
else {
finSelectedSplinePoint(masklay, &spline, &point, TRUE);
}
ED_mask_select_toggle_all(mask, SEL_DESELECT);
if (!spline) {
/* no selected splines in active masklay, create new spline */
spline = BKE_mask_spline_add(masklay);
}
masklay->act_spline = spline;
new_point = spline->points;
masklay->act_point = new_point;
setup_vertex_point(C, mask, spline, new_point, co, NULL, 0.5f, ref_point, FALSE);
{
int point_index = (((int)(new_point - spline->points) + 0) % spline->tot_point);
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index, TRUE, TRUE);
}
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return TRUE;
}
static int add_vertex_exec(bContext *C, wmOperator *op)
{
Mask *mask = CTX_data_edit_mask(C);
MaskLayer *masklay;
float co[2];
masklay = BKE_mask_layer_active(mask);
if (masklay && masklay->restrictflag & (MASK_RESTRICT_VIEW | MASK_RESTRICT_SELECT)) {
masklay = NULL;
}
RNA_float_get_array(op->ptr, "location", co);
if (masklay && masklay->act_point && MASKPOINT_ISSEL_ANY(masklay->act_point)) {
/* cheap trick - double click for cyclic */
MaskSpline *spline = masklay->act_spline;
MaskSplinePoint *point = masklay->act_point;
int is_sta = (point == spline->points);
int is_end = (point == &spline->points[spline->tot_point - 1]);
/* then check are we overlapping the mouse */
if ((is_sta || is_end) && equals_v2v2(co, point->bezt.vec[1])) {
if (spline->flag & MASK_SPLINE_CYCLIC) {
/* nothing to do */
return OPERATOR_CANCELLED;
}
else {
/* recalc the connecting point as well to make a nice even curve */
MaskSplinePoint *point_other = is_end ? spline->points : &spline->points[spline->tot_point - 1];
spline->flag |= MASK_SPLINE_CYCLIC;
/* TODO, update keyframes in time */
BKE_mask_calc_handle_point_auto(spline, point, FALSE);
BKE_mask_calc_handle_point_auto(spline, point_other, FALSE);
/* TODO: only update this spline */
BKE_mask_update_display(mask, CTX_data_scene(C)->r.cfra);
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return OPERATOR_FINISHED;
}
}
if (!add_vertex_subdivide(C, mask, co)) {
if (!add_vertex_extrude(C, mask, masklay, co)) {
return OPERATOR_CANCELLED;
}
}
}
else {
if (!add_vertex_subdivide(C, mask, co)) {
if (!add_vertex_new(C, mask, masklay, co)) {
return OPERATOR_CANCELLED;
}
}
}
/* TODO: only update this spline */
BKE_mask_update_display(mask, CTX_data_scene(C)->r.cfra);
return OPERATOR_FINISHED;
}
static int add_vertex_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
float co[2];
ED_mask_mouse_pos(C, event, co);
RNA_float_set_array(op->ptr, "location", co);
return add_vertex_exec(C, op);
}
void MASK_OT_add_vertex(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Add Vertex";
ot->description = "Add vertex to active spline";
ot->idname = "MASK_OT_add_vertex";
/* api callbacks */
ot->exec = add_vertex_exec;
ot->invoke = add_vertex_invoke;
ot->poll = ED_maskedit_mask_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MIN, FLT_MAX,
"Location", "Location of vertex in normalized space", -1.0f, 1.0f);
}
/******************** add feather vertex *********************/
static int add_feather_vertex_exec(bContext *C, wmOperator *op)
{
Mask *mask = CTX_data_edit_mask(C);
MaskLayer *masklay;
MaskSpline *spline;
MaskSplinePoint *point = NULL;
const float threshold = 9;
float co[2], u;
RNA_float_get_array(op->ptr, "location", co);
point = ED_mask_point_find_nearest(C, mask, co, threshold, NULL, NULL, NULL, NULL);
if (point)
return OPERATOR_FINISHED;
if (find_nearest_diff_point(C, mask, co, threshold, TRUE, &masklay, &spline, &point, &u, NULL, TRUE)) {
Scene *scene = CTX_data_scene(C);
float w = BKE_mask_point_weight(spline, point, u);
float weight_scalar = BKE_mask_point_weight_scalar(spline, point, u);
if (weight_scalar != 0.0f) {
w = w / weight_scalar;
}
BKE_mask_point_add_uw(point, u, w);
BKE_mask_update_display(mask, scene->r.cfra);
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
DAG_id_tag_update(&mask->id, 0);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
static int add_feather_vertex_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
float co[2];
ED_mask_mouse_pos(C, event, co);
RNA_float_set_array(op->ptr, "location", co);
return add_feather_vertex_exec(C, op);
}
void MASK_OT_add_feather_vertex(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Add feather Vertex";
ot->description = "Add vertex to feather";
ot->idname = "MASK_OT_add_feather_vertex";
/* api callbacks */
ot->exec = add_feather_vertex_exec;
ot->invoke = add_feather_vertex_invoke;
ot->poll = ED_maskedit_mask_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MIN, FLT_MAX,
"Location", "Location of vertex in normalized space", -1.0f, 1.0f);
}
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