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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edtransform
*/
#include "DNA_brush_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BKE_context.h"
#include "BKE_paint.h"
#include "transform.h"
#include "transform_convert.h"
typedef struct TransDataPaintCurve {
struct PaintCurvePoint *pcp; /* initial curve point */
char id;
} TransDataPaintCurve;
/* -------------------------------------------------------------------- */
/** \name Paint Curve Transform Creation
* \{ */
#define PC_IS_ANY_SEL(pc) (((pc)->bez.f1 | (pc)->bez.f2 | (pc)->bez.f3) & SELECT)
static void PaintCurveConvertHandle(
PaintCurvePoint *pcp, int id, TransData2D *td2d, TransDataPaintCurve *tdpc, TransData *td)
{
BezTriple *bezt = &pcp->bez;
copy_v2_v2(td2d->loc, bezt->vec[id]);
td2d->loc[2] = 0.0f;
td2d->loc2d = bezt->vec[id];
td->flag = 0;
td->loc = td2d->loc;
copy_v3_v3(td->center, bezt->vec[1]);
copy_v3_v3(td->iloc, td->loc);
memset(td->axismtx, 0, sizeof(td->axismtx));
td->axismtx[2][2] = 1.0f;
td->ext = NULL;
td->val = NULL;
td->flag |= TD_SELECTED;
td->dist = 0.0;
unit_m3(td->mtx);
unit_m3(td->smtx);
tdpc->id = id;
tdpc->pcp = pcp;
}
static void PaintCurvePointToTransData(PaintCurvePoint *pcp,
TransData *td,
TransData2D *td2d,
TransDataPaintCurve *tdpc)
{
BezTriple *bezt = &pcp->bez;
if (pcp->bez.f2 == SELECT) {
int i;
for (i = 0; i < 3; i++) {
copy_v2_v2(td2d->loc, bezt->vec[i]);
td2d->loc[2] = 0.0f;
td2d->loc2d = bezt->vec[i];
td->flag = 0;
td->loc = td2d->loc;
copy_v3_v3(td->center, bezt->vec[1]);
copy_v3_v3(td->iloc, td->loc);
memset(td->axismtx, 0, sizeof(td->axismtx));
td->axismtx[2][2] = 1.0f;
td->ext = NULL;
td->val = NULL;
td->flag |= TD_SELECTED;
td->dist = 0.0;
unit_m3(td->mtx);
unit_m3(td->smtx);
tdpc->id = i;
tdpc->pcp = pcp;
td++;
td2d++;
tdpc++;
}
}
else {
if (bezt->f3 & SELECT) {
PaintCurveConvertHandle(pcp, 2, td2d, tdpc, td);
td2d++;
tdpc++;
td++;
}
if (bezt->f1 & SELECT) {
PaintCurveConvertHandle(pcp, 0, td2d, tdpc, td);
}
}
}
static void createTransPaintCurveVerts(bContext *C, TransInfo *t)
{
Paint *paint = BKE_paint_get_active_from_context(C);
PaintCurve *pc;
PaintCurvePoint *pcp;
Brush *br;
TransData *td = NULL;
TransData2D *td2d = NULL;
TransDataPaintCurve *tdpc = NULL;
int i;
int total = 0;
TransDataContainer *tc = TRANS_DATA_CONTAINER_FIRST_SINGLE(t);
tc->data_len = 0;
if (!paint || !paint->brush || !paint->brush->paint_curve) {
return;
}
br = paint->brush;
pc = br->paint_curve;
for (pcp = pc->points, i = 0; i < pc->tot_points; i++, pcp++) {
if (PC_IS_ANY_SEL(pcp)) {
if (pcp->bez.f2 & SELECT) {
total += 3;
continue;
}
if (pcp->bez.f1 & SELECT) {
total++;
}
if (pcp->bez.f3 & SELECT) {
total++;
}
}
}
if (!total) {
return;
}
tc->data_len = total;
td2d = tc->data_2d = MEM_callocN(tc->data_len * sizeof(TransData2D), "TransData2D");
td = tc->data = MEM_callocN(tc->data_len * sizeof(TransData), "TransData");
tc->custom.type.data = tdpc = MEM_callocN(tc->data_len * sizeof(TransDataPaintCurve),
"TransDataPaintCurve");
tc->custom.type.use_free = true;
for (pcp = pc->points, i = 0; i < pc->tot_points; i++, pcp++) {
if (PC_IS_ANY_SEL(pcp)) {
PaintCurvePointToTransData(pcp, td, td2d, tdpc);
if (pcp->bez.f2 & SELECT) {
td += 3;
td2d += 3;
tdpc += 3;
}
else {
if (pcp->bez.f1 & SELECT) {
td++;
td2d++;
tdpc++;
}
if (pcp->bez.f3 & SELECT) {
td++;
td2d++;
tdpc++;
}
}
}
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Paint Curve Transform Flush
* \{ */
static void flushTransPaintCurve(TransInfo *t)
{
int i;
TransDataContainer *tc = TRANS_DATA_CONTAINER_FIRST_SINGLE(t);
TransData2D *td2d = tc->data_2d;
TransDataPaintCurve *tdpc = tc->custom.type.data;
for (i = 0; i < tc->data_len; i++, tdpc++, td2d++) {
PaintCurvePoint *pcp = tdpc->pcp;
copy_v2_v2(pcp->bez.vec[tdpc->id], td2d->loc);
}
}
/** \} */
TransConvertTypeInfo TransConvertType_PaintCurve = {
/* flags */ (T_POINTS | T_2D_EDIT),
/* createTransData */ createTransPaintCurveVerts,
/* recalcData */ flushTransPaintCurve,
/* special_aftertrans_update */ NULL,
};
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