| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package flash.graphics.images; |
| |
| import flash.util.Trace; |
| import flash.util.FileUtils; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.awt.Image; |
| import java.awt.Toolkit; |
| import java.awt.image.PixelGrabber; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.net.MalformedURLException; |
| |
| /** |
| * Represents a GIF/PNG image. PixelGrabber is used to lookup the |
| * width and height. |
| */ |
| public class LosslessImage extends BitmapImage |
| { |
| public LosslessImage(File imageFile) throws MalformedURLException, IOException |
| { |
| this(imageFile.getName(), imageFile.toURL().openStream(), imageFile.lastModified()); |
| } |
| |
| public LosslessImage(String location, InputStream inputStream, long modified) |
| { |
| this.location = location; |
| this.modified = modified; |
| byte[] bytes = FileUtils.toByteArray(inputStream); |
| Image image = ImageUtil.getImage(bytes); |
| init(image); |
| } |
| |
| public LosslessImage(URL imageURL) |
| { |
| Image image = Toolkit.getDefaultToolkit().getImage(imageURL); |
| |
| try |
| { |
| URLConnection conn = imageURL.openConnection(); |
| location = imageURL.toString(); |
| modified = conn.getLastModified(); |
| } |
| catch (InternalError ie) |
| { |
| if (Trace.error) |
| { |
| ie.printStackTrace(); |
| } |
| throw new InternalError("An error occurred because there is no graphics environment available. Please set the headless-server setting in the configuration file to true."); |
| } |
| catch (NoClassDefFoundError ce) |
| { |
| if (Trace.error) |
| { |
| ce.printStackTrace(); |
| } |
| throw new InternalError("An error occurred because there is no graphics environment available. Please set the headless-server setting in the configuration file to true."); |
| } |
| catch (IOException ioe) |
| { |
| throw new RuntimeException("Error reading image from URL. " + ioe.getMessage()); |
| } |
| |
| init(image); |
| } |
| |
| public LosslessImage(Image image) |
| { |
| location = "Synthetic"; |
| modified = System.currentTimeMillis(); |
| init(image); |
| } |
| |
| private void init(Image image) |
| { |
| PixelGrabber pixelGrabber = ImageUtil.getPixelGrabber(image, location); |
| |
| width = pixelGrabber.getWidth(); |
| height = pixelGrabber.getHeight(); |
| Object p = pixelGrabber.getPixels(); |
| |
| if (p != null) |
| { |
| Class ct = p.getClass().getComponentType(); |
| if (ct != null) |
| { |
| if (ct.equals(Integer.TYPE)) |
| pixels = (int[])p; |
| else if (ct.equals(Byte.TYPE)) |
| throw new IllegalStateException("int[] of pixels expected, received byte[] instead."); |
| } |
| } |
| } |
| |
| public int[] getPixels() |
| { |
| return pixels; |
| } |
| |
| public void dispose() |
| { |
| |
| } |
| |
| protected int[] pixels; |
| } |