| /* |
| * Copyright (c) 2009-2010 jMonkeyEngine |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package com.jme3.scene.plugins.blender.textures; |
| |
| import com.jme3.scene.plugins.blender.file.BlenderInputStream; |
| import com.jme3.texture.Image; |
| import com.jme3.texture.plugins.AWTLoader; |
| import com.jme3.texture.plugins.DDSLoader; |
| import com.jme3.texture.plugins.TGALoader; |
| import java.io.InputStream; |
| import java.util.logging.Logger; |
| |
| /** |
| * An image loader class. It uses three loaders (AWTLoader, TGALoader and DDSLoader) in an attempt to load the image from the given |
| * input stream. |
| * |
| * @author Marcin Roguski (Kaelthas) |
| */ |
| /*package*/ class ImageLoader extends AWTLoader { |
| private static final Logger LOGGER = Logger.getLogger(ImageLoader.class.getName()); |
| |
| protected DDSLoader ddsLoader = new DDSLoader(); // DirectX image loader |
| |
| /** |
| * This method loads the image from the blender file itself. It tries each loader to load the image. |
| * |
| * @param inputStream |
| * blender input stream |
| * @param startPosition |
| * position in the stream where the image data starts |
| * @param flipY |
| * if the image should be flipped (does not work with DirectX image) |
| * @return loaded image or null if it could not be loaded |
| */ |
| public Image loadImage(BlenderInputStream inputStream, int startPosition, boolean flipY) { |
| // loading using AWT loader |
| inputStream.setPosition(startPosition); |
| Image result = this.loadImage(inputStream, ImageType.AWT, flipY); |
| // loading using TGA loader |
| if (result == null) { |
| inputStream.setPosition(startPosition); |
| result = this.loadImage(inputStream, ImageType.TGA, flipY); |
| } |
| // loading using DDS loader |
| if (result == null) { |
| inputStream.setPosition(startPosition); |
| result = this.loadImage(inputStream, ImageType.DDS, flipY); |
| } |
| |
| if (result == null) { |
| LOGGER.warning("Image could not be loaded by none of available loaders!"); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * This method loads an image of a specified type from the given input stream. |
| * |
| * @param inputStream |
| * the input stream we read the image from |
| * @param imageType |
| * the type of the image {@link ImageType} |
| * @param flipY |
| * if the image should be flipped (does not work with DirectX image) |
| * @return loaded image or null if it could not be loaded |
| */ |
| public Image loadImage(InputStream inputStream, ImageType imageType, boolean flipY) { |
| Image result = null; |
| switch (imageType) { |
| case AWT: |
| try { |
| result = this.load(inputStream, flipY); |
| } catch (Exception e) { |
| LOGGER.info("Unable to load image using AWT loader!"); |
| } |
| break; |
| case DDS: |
| try { |
| result = ddsLoader.load(inputStream); |
| } catch (Exception e) { |
| LOGGER.info("Unable to load image using DDS loader!"); |
| } |
| break; |
| case TGA: |
| try { |
| result = TGALoader.load(inputStream, flipY); |
| } catch (Exception e) { |
| LOGGER.info("Unable to load image using TGA loader!"); |
| } |
| break; |
| default: |
| throw new IllegalStateException("Unknown image type: " + imageType); |
| } |
| return result; |
| } |
| |
| /** |
| * Image types that can be loaded. AWT: png, jpg, jped or bmp TGA: tga DDS: DirectX image files |
| * |
| * @author Marcin Roguski (Kaelthas) |
| */ |
| private static enum ImageType { |
| AWT, TGA, DDS; |
| } |
| } |