/**
 * OHP3D
 * Copyright © 2023 František Kučera (Frantovo.cz, GlobalCode.info)
 *
 * 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, version 3 of the License.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <string>

#include "Buffer.h"

class Texture {
public:

	/**
	 * @param width horizontal pixel count
	 * @param height vertical pixel count
	 * @param img RGBA pixels, 8 bits per channel, size == width * height * 4
	 * @param fileName not used by this class, just stored for others
	 */
	Texture(int width, int height, const Buffer& img,
			const std::string& fileName);
	virtual ~Texture();
	GLuint getId() const;
	const std::string getFileName() const;
	int getWidth() const;
	int getHeight() const;
	GLfloat getRatio() const;
	GLfloat getScale() const;
	void setScale(GLfloat scale);
	void update(int width, int height, const Buffer& img);
	void bind();
private:
	class Impl;
	Impl* impl;
	Texture(const Texture&) = delete;
	Texture& operator=(const Texture&) = delete;
};