1 /* 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.imageio.plugins.bmp; 27 28 import java.awt.image.DataBuffer; 29 import java.awt.image.SampleModel; 30 import java.awt.image.SinglePixelPackedSampleModel; 31 32 import javax.imageio.spi.ImageWriterSpi; 33 import javax.imageio.spi.ServiceRegistry; 34 import javax.imageio.spi.IIORegistry; 35 import javax.imageio.stream.ImageOutputStream; 36 import javax.imageio.ImageWriter; 37 import javax.imageio.ImageTypeSpecifier; 38 import javax.imageio.IIOException; 39 import java.util.Locale; 40 41 import javax.imageio.plugins.bmp.BMPImageWriteParam; 42 43 public class BMPImageWriterSpi extends ImageWriterSpi { 44 private static String [] readerSpiNames = 45 {"com.sun.imageio.plugins.bmp.BMPImageReaderSpi"}; 46 private static String[] formatNames = {"bmp", "BMP"}; 47 private static String[] entensions = {"bmp"}; 48 private static String[] mimeType = {"image/bmp"}; 49 50 private boolean registered = false; 51 52 public BMPImageWriterSpi() { 53 super("Oracle Corporation", 54 "1.0", 55 formatNames, 56 entensions, 57 mimeType, 58 "com.sun.imageio.plugins.bmp.BMPImageWriter", 59 new Class<?>[] { ImageOutputStream.class }, 60 readerSpiNames, 61 false, 62 null, null, null, null, 63 true, 64 BMPMetadata.nativeMetadataFormatName, 65 "com.sun.imageio.plugins.bmp.BMPMetadataFormat", 66 null, null); 67 } 68 69 public String getDescription(Locale locale) { 70 return "Standard BMP Image Writer"; 71 } 72 73 public void onRegistration(ServiceRegistry registry, 74 Class<?> category) { 75 if (registered) { 76 return; 77 } 78 79 registered = true; 80 } 81 82 public boolean canEncodeImage(ImageTypeSpecifier type) { 83 int dataType= type.getSampleModel().getDataType(); 84 if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT) 85 return false; 86 87 SampleModel sm = type.getSampleModel(); 88 int numBands = sm.getNumBands(); 89 if (!(numBands == 1 || numBands == 3)) 90 return false; 91 92 if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE) 93 return false; 94 95 if (dataType > DataBuffer.TYPE_BYTE && 96 !(sm instanceof SinglePixelPackedSampleModel)) 97 return false; 98 99 return true; 100 } 101 102 public ImageWriter createWriterInstance(Object extension) 103 throws IIOException { 104 return new BMPImageWriter(this); 105 } 106 }