1 files changed, 122 insertions, 0 deletions
diff --git a/source/blender/editors/transform/transform_mode_gpshrinkfatten.c b/source/blender/editors/transform/transform_mode_gpshrinkfatten.c
new file mode 100644
index 00000000000..edb353b343d
--- /dev/null
+++ b/source/blender/editors/transform/transform_mode_gpshrinkfatten.c
@@ -0,0 +1,122 @@
+/*
+ * 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 <stdlib.h>
+
+#include "BLI_math.h"
+#include "BLI_string.h"
+
+#include "BKE_context.h"
+#include "BKE_unit.h"
+
+#include "ED_screen.h"
+
+#include "UI_interface.h"
+
+#include "BLT_translation.h"
+
+#include "transform.h"
+#include "transform_mode.h"
+#include "transform_snap.h"
+
+/* -------------------------------------------------------------------- */
+/* Transform (GPencil Shrink/Fatten) */
+
+/** \name Transform GPencil Strokes Shrink/Fatten
+ * \{ */
+
+static void applyGPShrinkFatten(TransInfo *t, const int UNUSED(mval[2]))
+{
+  float ratio;
+  int i;
+  char str[UI_MAX_DRAW_STR];
+
+  ratio = t->values[0];
+
+  snapGridIncrement(t, &ratio);
+
+  applyNumInput(&t->num, &ratio);
+
+  t->values_final[0] = ratio;
+
+  /* header print for NumInput */
+  if (hasNumInput(&t->num)) {
+    char c[NUM_STR_REP_LEN];
+
+    outputNumInput(&(t->num), c, &t->scene->unit);
+    BLI_snprintf(str, sizeof(str), TIP_("Shrink/Fatten: %s"), c);
+  }
+  else {
+    BLI_snprintf(str, sizeof(str), TIP_("Shrink/Fatten: %3f"), ratio);
+  }
+
+  FOREACH_TRANS_DATA_CONTAINER (t, tc) {
+    TransData *td = tc->data;
+    for (i = 0; i < tc->data_len; i++, td++) {
+      if (td->flag & TD_NOACTION) {
+        break;
+      }
+
+      if (td->flag & TD_SKIP) {
+        continue;
+      }
+
+      if (td->val) {
+        *td->val = td->ival * ratio;
+        /* apply PET */
+        *td->val = (*td->val * td->factor) + ((1.0f - td->factor) * td->ival);
+        if (*td->val <= 0.0f) {
+          *td->val = 0.001f;
+        }
+      }
+    }
+  }
+
+  ED_area_status_text(t->sa, str);
+}
+
+void initGPShrinkFatten(TransInfo *t)
+{
+  t->mode = TFM_GPENCIL_SHRINKFATTEN;
+  t->transform = applyGPShrinkFatten;
+
+  initMouseInputMode(t, &t->mouse, INPUT_SPRING);
+
+  t->idx_max = 0;
+  t->num.idx_max = 0;
+  t->snap[0] = 0.0f;
+  t->snap[1] = 0.1f;
+  t->snap[2] = t->snap[1] * 0.1f;
+
+  copy_v3_fl(t->num.val_inc, t->snap[1]);
+  t->num.unit_sys = t->scene->unit.system;
+  t->num.unit_type[0] = B_UNIT_NONE;
+
+  t->flag |= T_NO_ZERO;
+#ifdef USE_NUM_NO_ZERO
+  t->num.val_flag[0] |= NUM_NO_ZERO;
+#endif
+
+  t->flag |= T_NO_CONSTRAINT;
+}
+/** \} */