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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 "font.hpp"
#include "../core.hpp"
namespace VK
{
Font::Font(const char* font_path, int font_size)
{
FT_Error error;
error = FT_New_Face(cg_core.font_library, font_path, 0, &this->face);
if(error == FT_Err_Unknown_File_Format) throw std::invalid_argument(
"The font file could be opened and read, but it appears that its font "
"format is unsupported.");
else if(error) throw std::invalid_argument(
"The font file could not be opened or read, or it is broken.");
error = FT_Set_Pixel_Sizes(this->face, 0, font_size);
if(error) throw std::invalid_argument("Failed to load font size.");
}
Font::~Font()
{
FT_Done_Face(this->face);
}
std::shared_ptr<Character>
Font::character(uint32_t character_code)
{
if(!this->characters.contains(character_code))
this->characters.emplace(
character_code, std::make_shared<Character>(this->face, character_code));
return this->characters.at(character_code);
}
}
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