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/*
* Copyright 2022-2023 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 "texture.hpp"
#include "core.hpp"
#include "font.hpp"
#include "vk/texture.hpp"
void
cg_free_texture(mrb_state *mrb, void* obj)
{
auto *ptr = static_cast<std::shared_ptr<VK::Texture>*>(obj);
ptr->~shared_ptr();
mrb_free(mrb, ptr);
}
const struct mrb_data_type cg_texture_type = { "CG_Texture", cg_free_texture };
static mrb_value
texture_alloc(mrb_state *mrb, mrb_value klass)
{
struct RClass *cg_cTexture = mrb_class_ptr(klass);
enum mrb_vtype ttype = MRB_INSTANCE_TT(cg_cTexture);
// I do not know if I need this. If things break, try uncomment this line.
// if (ttype == 0) ttype = MRB_TT_OBJECT;
return mrb_obj_value(
(struct RObject*)mrb_obj_alloc(mrb, ttype, cg_cTexture));
}
static mrb_value
cg_cTexture_from_image(mrb_state *mrb, mrb_value self)
{
struct mrb_value texture = texture_alloc(mrb, self);
const char *file_path;
std::shared_ptr<VK::Texture> *ptr;
mrb_get_args(mrb, "z", &file_path);
ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(texture);
if(ptr) mrb_free(mrb, ptr);
ptr = (std::shared_ptr<VK::Texture>*)mrb_malloc(
mrb, sizeof(std::shared_ptr<VK::Texture>));
new(ptr)std::shared_ptr<VK::Texture>(
std::make_shared<VK::Texture>(file_path));
mrb_data_init(texture, ptr, &cg_texture_type);
return texture;
}
mrb_value
cg_cTexture_from_text(mrb_state *mrb, mrb_value self)
{
const char *text;
unsigned int width, height;
struct mrb_value texture = texture_alloc(mrb, self);
VK::Font *font_ptr;
std::shared_ptr<VK::Texture> *ptr;
mrb_get_args(mrb, "dz", &font_ptr, &cg_font_type, &text);
ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(texture);
if(ptr) mrb_free(mrb, ptr);
ptr = (std::shared_ptr<VK::Texture>*)mrb_malloc(
mrb, sizeof(std::shared_ptr<VK::Texture>));
new(ptr)std::shared_ptr<VK::Texture>(
std::make_shared<VK::Texture>(font_ptr, text));
mrb_data_init(texture, ptr, &cg_texture_type);
return texture;
}
static mrb_value
cg_cTexture_width(mrb_state *mrb, mrb_value self)
{
auto ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(self);
return mrb_int_value(mrb, (*ptr)->width);
}
static mrb_value
cg_cTexture_height(mrb_state *mrb, mrb_value self)
{
auto ptr = (std::shared_ptr<VK::Texture>*)DATA_PTR(self);
return mrb_int_value(mrb, (*ptr)->height);
}
void
cg_texture_init(mrb_state *mrb)
{
struct RClass *cg_m, *cg_cTexture;
cg_m = mrb_module_get(mrb, "CandyGear");
cg_cTexture = mrb_define_class_under(
mrb, cg_m, "Texture", mrb->object_class);
MRB_SET_INSTANCE_TT(cg_cTexture, MRB_TT_DATA);
mrb_undef_class_method(mrb, cg_cTexture, "new");
mrb_define_class_method(
mrb, cg_cTexture, "from_image", cg_cTexture_from_image,
MRB_ARGS_REQ(1) | MRB_ARGS_OPT(1));
mrb_define_class_method(
mrb, cg_cTexture, "from_text", cg_cTexture_from_text, MRB_ARGS_REQ(2));
mrb_define_method(
mrb, cg_cTexture, "width", cg_cTexture_width, MRB_ARGS_NONE());
mrb_define_method(
mrb, cg_cTexture, "height", cg_cTexture_height, MRB_ARGS_NONE());
}
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