private ImageReadParam decompressParam(ImageReadParam param) {
ImageReadParam decompressParam = decompressor.getDefaultReadParam();
ImageTypeSpecifier imageType = param.getDestinationType();
BufferedImage dest = param.getDestination();
if (isRLELossless() && imageType == null && dest == null)
imageType = createImageType(bitsStored, dataType, true);
decompressParam.setDestinationType(imageType);
decompressParam.setDestination(dest);
return decompressParam;
}
public static void main(String[] args) throws IOException {
PCXImageReader reader = new PCXImageReader(null);
for (String arg : args) {
File in = new File(arg);
reader.setInput(ImageIO.createImageInputStream(in));
ImageReadParam param = reader.getDefaultReadParam();
param.setDestinationType(reader.getImageTypes(0).next());
// param.setSourceSubsampling(2, 3, 0, 0);
// param.setSourceSubsampling(2, 1, 0, 0);
//
// int width = reader.getWidth(0);
// int height = reader.getHeight(0);
//
// param.setSourceRegion(new Rectangle(width / 4, height / 4, width / 2, height /
// 2));
// param.setSourceRegion(new Rectangle(width / 2, height / 2));
// param.setSourceRegion(new Rectangle(width / 2, height / 2, width / 2, height /
// 2));
System.err.println("header: " + reader.header);
BufferedImage image = reader.read(0, param);
System.err.println("image: " + image);
showIt(image, in.getName());
new XMLSerializer(System.out, System.getProperty("file.encoding"))
.serialize(
reader
.getImageMetadata(0)
.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName),
false);
// File reference = new File(in.getParent() + "/../reference",
// in.getName().replaceAll("\\.p(a|b|g|p)m", ".png"));
// if (reference.exists()) {
// System.err.println("reference.getAbsolutePath(): " +
// reference.getAbsolutePath());
// showIt(ImageIO.read(reference), reference.getName());
// }
// break;
}
}
public TIFFRenderedImage(
TIFFImageReader reader, int imageIndex, ImageReadParam readParam, int width, int height)
throws IOException {
this.reader = reader;
this.imageIndex = imageIndex;
this.tileParam = cloneImageReadParam(readParam, false);
this.subsampleX = tileParam.getSourceXSubsampling();
this.subsampleY = tileParam.getSourceYSubsampling();
this.isSubsampling = this.subsampleX != 1 || this.subsampleY != 1;
this.width = width / subsampleX;
this.height = height / subsampleY;
// If subsampling is being used, we may not match the
// true tile grid exactly, but everything should still work
this.tileWidth = reader.getTileWidth(imageIndex) / subsampleX;
this.tileHeight = reader.getTileHeight(imageIndex) / subsampleY;
Iterator iter = reader.getImageTypes(imageIndex);
this.its = (ImageTypeSpecifier) iter.next();
tileParam.setDestinationType(its);
}