ImageLoader.h
author František Kučera <franta-hg@frantovo.cz>
Sat, 23 Dec 2023 23:10:41 +0100
branchv_0
changeset 25 717653cedc4a
parent 1 fb65455622b9
permissions -rw-r--r--
set scaling filters according to the texture file extended attributes (xattr: shader-shark.texture.mag-filter = linear | nearest)

/**
 * 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.h>

#include "Buffer.h"
#include "AllocatedBuffer.h"

class ImageLoader {
public:

	class ImageBuffer : public AllocatedBuffer {
	public:
		int width;
		int height;

		ImageBuffer(void* buffer, const size_t size,
				const int width, const int height) :
				AllocatedBuffer(width * height * 4),
				width(width), height(height) {
			if (size == width * height * 4) memcpy(data, buffer, size);
			else throw std::invalid_argument("invalid image size");
		}

	};

	ImageBuffer* loadImage(const Buffer& inputBuffer);
};