Transform: Split transform_conversions into multiple files.

Part of T68836

`transform conversions.c` is a file that is getting too big (almost 10,000 lines).
So it's a good idea to split it into smaller files.

differential revision: https://developer.blender.org/D5677

1 files changed, 227 insertions, 0 deletions

diff --git a/source/blender/editors/transform/transform_convert_paintcurve.c b/source/blender/editors/transform/transform_convert_paintcurve.c
new file mode 100644
index 00000000000..6d46a94214e
--- /dev/null
+++ b/source/blender/editors/transform/transform_convert_paintcurve.c
@@ -0,0 +1,227 @@
+/*
+ * 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) 2001-2002 by 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 "BKE_report.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);
+    }
+  }
+}
+
+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;
+      }
+      else {
+        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
+ *
+ * \{ */
+
+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);
+  }
+}
+
+/** \} */