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An API for reading, writing and manipulating fonts, images and sounds.
There is a newer version: 1.1.0
/*
 * Copyright (c) 2013-2018, João Vitor Verona Biazibetti - All Rights Reserved
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see .
 *
 * https://www.github.com/BloodShura
 */

package com.github.bloodshura.x.assets.image;

import com.github.bloodshura.x.assets.AssetSource;
import com.github.bloodshura.x.assets.exception.AssetException;
import com.github.bloodshura.x.assets.image.source.AWTImageSource;
import com.github.bloodshura.x.assets.image.source.InputImageSource;
import com.github.bloodshura.x.assets.util.ImageWorker;
import com.github.bloodshura.x.enumeration.Enumerations;
import com.github.bloodshura.x.io.Url;
import com.github.bloodshura.x.io.file.File;
import com.github.bloodshura.x.loader.ResourceLoader;
import com.github.bloodshura.x.resource.ByteArrayDirectResource;
import com.github.bloodshura.x.resource.PathResource;
import com.github.bloodshura.x.resource.Resource;
import com.github.bloodshura.x.worker.StringWorker;

import javax.annotation.Nonnull;
import java.io.InputStream;
import java.nio.ByteBuffer;

public abstract class ImageSource extends AssetSource {
	private static int UNNAMED_COUNT = 0;

	public ImageSource(@Nonnull String name, @Nonnull ImageFormat format) {
		super(name, format);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ByteBuffer buffer, int width, int height) {
		return of(ImageWorker.asImage(buffer, width, height));
	}

	@Nonnull
	public static ImageSource of(@Nonnull File file) throws AssetException {
		ImageFormat format = Enumerations.search(ImageFormat.class, file.getFormat());

		if (format != null) {
			return of(file, format);
		}

		throw new AssetException("Could not define image format for \"" + file.getPath() + "\"");
	}

	@Nonnull
	public static ImageSource of(@Nonnull File file, @Nonnull ImageFormat format) {
		return of(file.getPath(), format, file);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ImageFormat format, @Nonnull byte[] input) {
		return of(unnamed(), format, input);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ImageFormat format, @Nonnull InputStream input) {
		return of(unnamed(), format, input);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ImageFormat format, @Nonnull Resource input) {
		return of(unnamed(), format, input);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ImageFormat format, @Nonnull java.awt.Image image) {
		return of(unnamed(), format, image);
	}

	@Nonnull
	public static ImageSource of(@Nonnull int[] pixels, int width, int height) {
		return of(ImageWorker.generateImage(width, height, pixels));
	}

	@Nonnull
	public static ImageSource of(@Nonnull java.awt.Image image) {
		return of(ImageFormat.PNG, image);
	}

	@Nonnull
	public static ImageSource of(@Nonnull ResourceLoader loader, @Nonnull String path) throws AssetException {
		String s = StringWorker.removeTrailingFileSeparator(path);
		int dot = s.lastIndexOf('.');

		if (dot == -1 || dot >= s.length() - 1) {
			throw new AssetException("Could not find format for \"" + s + "\"");
		}

		String formatStr = s.substring(dot + 1);
		int sep = formatStr.indexOf('?');

		if (sep != -1) {
			formatStr = formatStr.substring(0, sep);
		}

		ImageFormat format = Enumerations.search(ImageFormat.class, formatStr);

		if (format != null) {
			return of(loader, path, format);
		}

		throw new AssetException("Invalid image format \"" + formatStr + "\"");
	}

	@Nonnull
	public static ImageSource of(@Nonnull ResourceLoader loader, @Nonnull String path, @Nonnull ImageFormat format) throws AssetException {
		return of(path, format, new PathResource(loader, path));
	}

	@Nonnull
	public static ImageSource of(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull byte[] input) {
		return of(name, format, new ByteArrayDirectResource(input));
	}

	@Nonnull
	public static ImageSource of(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull InputStream input) {
		return of(name, format, () -> input);
	}

	@Nonnull
	public static ImageSource of(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull Resource input) {
		return new InputImageSource(name, format, input);
	}

	@Nonnull
	public static ImageSource of(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull java.awt.Image image) {
		return new AWTImageSource(name, format, ImageWorker.asBufferedImage(image));
	}

	@Nonnull
	public static ImageSource of(@Nonnull Url url) throws AssetException {
		if (url.hasFormat()) {
			ImageFormat format = Enumerations.search(ImageFormat.class, url.getFormat());

			if (format != null) {
				return of(url, format);
			}
		}

		throw new AssetException("Could not define image format for \"" + url.getPath() + "\"");
	}

	@Nonnull
	public static ImageSource of(@Nonnull Url url, @Nonnull ImageFormat format) {
		return of(url.getPath(), format, url);
	}

	@Nonnull
	protected static String unnamed() {
		return "XImage-" + UNNAMED_COUNT++;
	}
}