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      1 /*******************************************************************************
      2  * Copyright 2011 See AUTHORS file.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *   http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  ******************************************************************************/
     16 
     17 package com.badlogic.gdx.maps;
     18 
     19 import com.badlogic.gdx.assets.AssetManager;
     20 import com.badlogic.gdx.graphics.Texture;
     21 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
     22 import com.badlogic.gdx.graphics.g2d.TextureRegion;
     23 import com.badlogic.gdx.utils.ObjectMap;
     24 
     25 /** Resolves an image by a string, wrapper around a Map or AssetManager to load maps either directly or via AssetManager.
     26  * @author mzechner */
     27 public interface ImageResolver {
     28 	/** @param name
     29 	 * @return the Texture for the given image name or null. */
     30 	public TextureRegion getImage (String name);
     31 
     32 	public static class DirectImageResolver implements ImageResolver {
     33 		private final ObjectMap<String, Texture> images;
     34 
     35 		public DirectImageResolver (ObjectMap<String, Texture> images) {
     36 			this.images = images;
     37 		}
     38 
     39 		@Override
     40 		public TextureRegion getImage (String name) {
     41 			return new TextureRegion(images.get(name));
     42 		}
     43 	}
     44 
     45 	public static class AssetManagerImageResolver implements ImageResolver {
     46 		private final AssetManager assetManager;
     47 
     48 		public AssetManagerImageResolver (AssetManager assetManager) {
     49 			this.assetManager = assetManager;
     50 		}
     51 
     52 		@Override
     53 		public TextureRegion getImage (String name) {
     54 			return new TextureRegion(assetManager.get(name, Texture.class));
     55 		}
     56 	}
     57 
     58 	public static class TextureAtlasImageResolver implements ImageResolver {
     59 		private final TextureAtlas atlas;
     60 
     61 		public TextureAtlasImageResolver (TextureAtlas atlas) {
     62 			this.atlas = atlas;
     63 		}
     64 
     65 		@Override
     66 		public TextureRegion getImage (String name) {
     67 			return atlas.findRegion(name);
     68 		}
     69 	}
     70 }
     71