| /* |
| * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.imageio.plugins.wbmp; |
| |
| import java.util.Locale; |
| import javax.imageio.spi.ImageReaderSpi; |
| import javax.imageio.stream.ImageInputStream; |
| import javax.imageio.spi.IIORegistry; |
| import javax.imageio.spi.ServiceRegistry; |
| import java.io.IOException; |
| import javax.imageio.ImageReader; |
| import javax.imageio.IIOException; |
| |
| public class WBMPImageReaderSpi extends ImageReaderSpi { |
| |
| private static String [] writerSpiNames = |
| {"com.sun.imageio.plugins.wbmp.WBMPImageWriterSpi"}; |
| private static String[] formatNames = {"wbmp", "WBMP"}; |
| private static String[] entensions = {"wbmp"}; |
| private static String[] mimeType = {"image/vnd.wap.wbmp"}; |
| |
| private boolean registered = false; |
| |
| public WBMPImageReaderSpi() { |
| super("Sun Microsystems, Inc.", |
| "1.0", |
| formatNames, |
| entensions, |
| mimeType, |
| "com.sun.imageio.plugins.wbmp.WBMPImageReader", |
| STANDARD_INPUT_TYPE, |
| writerSpiNames, |
| true, |
| null, null, null, null, |
| true, |
| WBMPMetadata.nativeMetadataFormatName, |
| "com.sun.imageio.plugins.wbmp.WBMPMetadataFormat", |
| null, null); |
| } |
| |
| public void onRegistration(ServiceRegistry registry, |
| Class<?> category) { |
| if (registered) { |
| return; |
| } |
| registered = true; |
| } |
| |
| public String getDescription(Locale locale) { |
| return "Standard WBMP Image Reader"; |
| } |
| |
| public boolean canDecodeInput(Object source) throws IOException { |
| if (!(source instanceof ImageInputStream)) { |
| return false; |
| } |
| |
| ImageInputStream stream = (ImageInputStream)source; |
| byte[] b = new byte[3]; |
| |
| stream.mark(); |
| stream.readFully(b); |
| stream.reset(); |
| |
| return ((b[0] == (byte)0) && // TypeField == 0 |
| b[1] == 0 && // FixHeaderField == 0xxx00000; not support ext header |
| ((b[2] & 0x8f) != 0 || (b[2] & 0x7f) != 0)); // First width byte |
| //XXX: b[2] & 0x8f) != 0 for the bug in Sony Ericsson encoder. |
| } |
| |
| public ImageReader createReaderInstance(Object extension) |
| throws IIOException { |
| return new WBMPImageReader(this); |
| } |
| } |