/**

 * ShaderShark

 * 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;

};