com.github.bloodshura.x.assets.image.source.InputImageSource Maven / Gradle / Ivy

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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.source;

import com.github.bloodshura.x.assets.AssetManager;
import com.github.bloodshura.x.assets.XAssets;
import com.github.bloodshura.x.assets.exception.AssetException;
import com.github.bloodshura.x.assets.image.Image;
import com.github.bloodshura.x.assets.image.ImageFormat;
import com.github.bloodshura.x.assets.image.ImageSource;
import com.github.bloodshura.x.assets.image.codec.ImageCodec;
import com.github.bloodshura.x.loader.ResourceNotFoundException;
import com.github.bloodshura.x.resource.Resource;

import javax.annotation.Nonnull;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;

public class InputImageSource extends ImageSource implements Resource {
	private final AssetManager assetManager;
	private final Resource input;

	public InputImageSource(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull Resource input) {
		this(name, format, input, XAssets.getManager());
	}

	public InputImageSource(@Nonnull String name, @Nonnull ImageFormat format, @Nonnull Resource input, @Nonnull AssetManager assetManager) {
		super(name, format);
		this.assetManager = assetManager;
		this.input = input;
	}

	@Nonnull
	public AssetManager getAssetManager() {
		return assetManager;
	}

	@Nonnull
	@Override
	public Resource getInput() {
		return input;
	}

	@Nonnull
	@Override
	public Image load() throws AssetException {
		ImageCodec codec = getAssetManager().getCodec(getFormat());

		try (InputStream input = newInputStream()) {
			BufferedImage image = codec.read(input);

			if (image == null) {
				throw new AssetException("Failed to load image: " + codec.getClass().getSimpleName() + " returned null image");
			}

			return new Image(getFormat(), image);
		}
		catch (IOException | ResourceNotFoundException exception) {
			throw new AssetException(exception);
		}
	}

	@Nonnull
	@Override
	public InputStream newInputStream() throws IOException {
		return getInput().newInputStream();
	}
}