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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/javax/imageio/bmp/BMPImageWriterSpi.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/javax/imageio/bmp/BMPImageWriterSpi.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/imageio/bmp/BMPImageWriterSpi.java b/gcc-4.4.3/libjava/classpath/gnu/javax/imageio/bmp/BMPImageWriterSpi.java new file mode 100644 index 000000000..32f9f59d1 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/javax/imageio/bmp/BMPImageWriterSpi.java @@ -0,0 +1,148 @@ +/* BMPImageWriterSpi.java -- + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.imageio.bmp; + +import java.util.Locale; + +import javax.imageio.ImageTypeSpecifier; +import javax.imageio.ImageWriter; +import javax.imageio.spi.ImageWriterSpi; + +public class BMPImageWriterSpi + extends ImageWriterSpi +{ + + static final String vendorName = "GNU"; + static final String version = "0.1"; + static final String writerClassName = "gnu.javax.imageio.bmp.BMPImageWriter"; + static final String[] names = { "bmp", "BMP", "Microsoft Windows BMP" }; + static final String[] suffixes = { ".bmp", ".bm" }; + static final String[] MIMETypes = { "image/bmp", "image/x-windows-bmp" }; + static final String[] readerSpiNames = { "gnu.javax.imageio.bmp.BMPImageReaderSpi" }; + + static final boolean supportsStandardStreamMetadataFormat = false; + static final String nativeStreamMetadataFormatName = null; + static final String nativeStreamMetadataFormatClassName = null; + static final String[] extraStreamMetadataFormatNames = null; + static final String[] extraStreamMetadataFormatClassNames = null; + static final boolean supportsStandardImageMetadataFormat = false; + static final String nativeImageMetadataFormatName = null; + static final String nativeImageMetadataFormatClassName = null; + static final String[] extraImageMetadataFormatNames = null; + static final String[] extraImageMetadataFormatClassNames = null; + + private BMPImageWriter writerInstance; + + public BMPImageWriterSpi() + { + super(vendorName, version, names, suffixes, MIMETypes, writerClassName, + STANDARD_OUTPUT_TYPE, readerSpiNames, supportsStandardStreamMetadataFormat, + nativeStreamMetadataFormatName, nativeStreamMetadataFormatClassName, + extraStreamMetadataFormatNames, extraStreamMetadataFormatClassNames, + supportsStandardImageMetadataFormat, nativeImageMetadataFormatName, + nativeImageMetadataFormatClassName, extraImageMetadataFormatNames, + extraImageMetadataFormatClassNames); + } + + /** + * Returns true if the image can be encoded. + * + * @param type - the image type specifier. + * @return true if image can be encoded, otherwise false. + */ + public boolean canEncodeImage(ImageTypeSpecifier type) + { + if (type == null) + return false; + + BMPInfoHeader ih = writerInstance.infoHeader; + if (ih != null) + { + int compressionType = ih.getCompression(); + int bytes = type.getColorModel().getPixelSize(); + if ((compressionType == BMPInfoHeader.BI_RLE4 && (bytes != 4 || bytes != 8)) + || (compressionType == BMPInfoHeader.BI_RGB && ((bytes != 1 + || bytes != 4 + || bytes != 8 + || bytes != 16 + || bytes != 24 + || bytes != 32)))) + return false; + } + return true; + } + + /** + * Creates an instance of ImageWriter using the given extension. + * + * @param extension - the provider that is constructing this image writer, or + * null + */ + public ImageWriter createWriterInstance(Object extension) + { + if (extension != null && extension instanceof ImageWriterSpi) + writerInstance = new BMPImageWriter((ImageWriterSpi) extension); + else + writerInstance = new BMPImageWriter(this); + return writerInstance; + } + + /** + * Gets the instance of ImageWriter, if already created. + */ + public BMPImageWriter getWriterInstance() + { + if (writerInstance != null) + return writerInstance; + return (BMPImageWriter) createWriterInstance(null); + } + + /** + * Returns a short description of this service provider that can be + * presented to a human user. + * + * @param locale - the locale for which the description string should + * be localized. + */ + public String getDescription(Locale locale) + { + return "Microsoft BMP v3"; + } + +} |