/**

 * 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/>.

 */

#include <iostream>

#include <Magick++.h>

#include "ImageLoader.h"

#include "AllocatedBuffer.h"

ImageLoader::ImageBuffer* ImageLoader::loadImage(const Buffer& input) {

	Magick::Blob inputBlob(input.getData(), input.getSize());

	Magick::Image image(inputBlob);

	// Magick::Image image("magick:LOGO");

	// Magick::Image image("magick:WIZARD");

	// Magick::Image image("https://.../remote-image.png");

	// Magick::Image image("x:root"); // whole desktop

	// Magick::Image image("x:0x6a0001c"); // single window, use e.g. xwininfo

	// Magick::PixelPacket* parsedPixels = parsedImage.getPixels(

	//     0, 0, parsedImage.size().width(), parsedImage.size().height());

	Magick::Blob outputBlob;

	image.magick("RGBA");

	image.depth(8); // TODO: pass more bits to OpenGL?

	image.write(&outputBlob);

	ImageBuffer* outputBuffer = new ImageBuffer(

			(void*) outputBlob.data(),

			outputBlob.length(),

			image.size().width(),

			image.size().height());

	return outputBuffer;

}