1 files changed, 75 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_diff_matte.cc b/source/blender/nodes/composite/nodes/node_composite_diff_matte.cc
new file mode 100644
index 00000000000..9b3360c9e7d
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+++ b/source/blender/nodes/composite/nodes/node_composite_diff_matte.cc
@@ -0,0 +1,75 @@
+/*
+ * 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) 2006 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup cmpnodes
+ */
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "node_composite_util.hh"
+
+/* ******************* channel Difference Matte ********************************* */
+
+namespace blender::nodes::node_composite_diff_matte_cc {
+
+static void cmp_node_diff_matte_declare(NodeDeclarationBuilder &b)
+{
+  b.add_input<decl::Color>(N_("Image 1")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
+  b.add_input<decl::Color>(N_("Image 2")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
+  b.add_output<decl::Color>(N_("Image"));
+  b.add_output<decl::Color>(N_("Matte"));
+}
+
+static void node_composit_init_diff_matte(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  NodeChroma *c = MEM_cnew<NodeChroma>(__func__);
+  node->storage = c;
+  c->t1 = 0.1f;
+  c->t2 = 0.1f;
+}
+
+static void node_composit_buts_diff_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  uiLayout *col;
+
+  col = uiLayoutColumn(layout, true);
+  uiItemR(
+      col, ptr, "tolerance", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
+  uiItemR(col, ptr, "falloff", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);
+}
+
+}  // namespace blender::nodes::node_composite_diff_matte_cc
+
+void register_node_type_cmp_diff_matte()
+{
+  namespace file_ns = blender::nodes::node_composite_diff_matte_cc;
+
+  static bNodeType ntype;
+
+  cmp_node_type_base(&ntype, CMP_NODE_DIFF_MATTE, "Difference Key", NODE_CLASS_MATTE);
+  ntype.declare = file_ns::cmp_node_diff_matte_declare;
+  ntype.draw_buttons = file_ns::node_composit_buts_diff_matte;
+  ntype.flag |= NODE_PREVIEW;
+  node_type_init(&ntype, file_ns::node_composit_init_diff_matte);
+  node_type_storage(&ntype, "NodeChroma", node_free_standard_storage, node_copy_standard_storage);
+
+  nodeRegisterType(&ntype);
+}