/*
 * Copyright 2022 Frederico de Oliveira Linhares
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "color.h"

void
cg_free_color(mrb_state *mrb, void* obj)
{
  struct cg_color *ptr = obj;

  mrb_free(mrb, ptr);
}

const struct mrb_data_type cg_color_type = { "CG_Color", cg_free_color };

static mrb_value
cg_cColor_initialize(mrb_state *mrb, mrb_value self)
{
  mrb_int red, green, blue, alpha;
  struct cg_color *ptr;

  alpha = 0xff;
  mrb_get_args(mrb, "iii|i", &red, &green, &blue, &alpha);
  ptr = (struct cg_color *)DATA_PTR(self);
  if(ptr) mrb_free(mrb, ptr);
  ptr = (struct cg_color *)mrb_malloc(mrb, sizeof(struct cg_color));

  ptr->data.r = red;
  ptr->data.g = green;
  ptr->data.b = blue;
  ptr->data.a = alpha;

  mrb_data_init(self, ptr, &cg_color_type);
  return self;
}

void
cg_color_init(mrb_state *mrb)
{
  struct RClass *cg_m, *cg_cColor;

  cg_m = mrb_module_get(mrb, "CandyGear");
  cg_cColor = mrb_define_class_under(mrb, cg_m, "Color", mrb->object_class);
  MRB_SET_INSTANCE_TT(cg_cColor, MRB_TT_DATA);
  mrb_define_method(
    mrb, cg_cColor, "initialize", cg_cColor_initialize,
    MRB_ARGS_REQ(3) | MRB_ARGS_OPT(1));
}