/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 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::Float>(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);
}
