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TMI-TIFF: Minor code clean-up.

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This commit is contained in:
Harald Kuhr 2014-09-26 16:44:16 +02:00
parent 61cbeb0a09
commit e956fedfcf
2 changed files with 21 additions and 21 deletions
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1
imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/CCITTFaxDecoderStream.java
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@ -81,6 +81,7 @@ final class CCITTFaxDecoderStream extends FilterInputStream {
private void fetch() throws IOException {
if (decodedPos >= decodedLength) {
decodedLength = 0;
try {
decodeRow();
}

31
imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
View File

@ -105,8 +105,6 @@ import java.util.zip.InflaterInputStream;
*/
public class TIFFImageReader extends ImageReaderBase {
// TODOs ImageIO basic functionality:
// TODO: Subsampling (*tests should be failing*)
// TODO: Source region (*tests should be failing*)
// TODO: Thumbnail support
// TODO: TIFFImageWriter + Spi
@ -134,6 +132,8 @@ public class TIFFImageReader extends ImageReaderBase {
// Handle SampleFormat (and give up if not == 1)
// Support Compression 6 ('Old-style' JPEG)
// Support Compression 2 (CCITT Modified Huffman RLE) for bi-level images
// Source region
// Subsampling
final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.plugins.tiff.debug"));
@ -546,8 +546,8 @@ public class TIFFImageReader extends ImageReaderBase {
if (rowRaster.getNumBands() != 3) {
throw new IIOException("TIFF PhotometricInterpretation YCbCr requires SamplesPerPixel == 3: " + rowRaster.getNumBands());
}
if (rowRaster.getTransferType() != DataBuffer.TYPE_BYTE) {
throw new IIOException("TIFF PhotometricInterpretation YCbCr requires BitsPerSample == [8,8,8]");
if (rowRaster.getTransferType() != DataBuffer.TYPE_BYTE && rowRaster.getTransferType() != DataBuffer.TYPE_USHORT) {
throw new IIOException("TIFF PhotometricInterpretation YCbCr requires BitsPerSample == [8,8,8] or [16,16,16]");
}
yCbCrPos = getValueAsIntWithDefault(TIFF.TAG_YCBCR_POSITIONING, TIFFExtension.YCBCR_POSITIONING_CENTERED);
@ -666,21 +666,14 @@ public class TIFFImageReader extends ImageReaderBase {
Entry tablesEntry = currentIFD.getEntryById(TIFF.TAG_JPEG_TABLES);
byte[] tablesValue = tablesEntry != null ? (byte[]) tablesEntry.getValue() : null;
if (tablesValue != null) {
// TODO: Work this out...
// Whatever values I pass the reader as the read param, it never gets the same quality as if
// I just invoke jpegReader.getStreamMetadata...
// Might have something to do with subsampling?
// How do we pass the chroma-subsampling parameter from the TIFF structure to the JPEG reader?
// TODO: Consider splicing the TAG_JPEG_TABLES into the streams for each tile, for a
// (slightly slower for multiple images, but) more compatible approach..?
// I just invoke jpegReader.getStreamMetadata(), so we'll do that...
jpegReader.setInput(new ByteArrayImageInputStream(tablesValue));
// NOTE: This initializes the tables and other internal settings for the reader (as if by magic).
// This is actually a feature of JPEG,
// see: http://docs.oracle.com/javase/6/docs/api/javax/imageio/metadata/doc-files/jpeg_metadata.html#abbrev
/*IIOMetadata streamMetadata = */jpegReader.getStreamMetadata();
// This initializes the tables and other internal settings for the reader,
// and is actually a feature of JPEG, see abbreviated streams:
// http://docs.oracle.com/javase/6/docs/api/javax/imageio/metadata/doc-files/jpeg_metadata.html#abbrev
jpegReader.getStreamMetadata();
}
else {
processWarningOccurred("Missing JPEGTables for TIFF with compression: 7 (JPEG)");
@ -1394,6 +1387,12 @@ public class TIFFImageReader extends ImageReaderBase {
// // System.err.println("Scale time: " + (System.currentTimeMillis() - start) + " ms");
// }
if (image.getType() == BufferedImage.TYPE_CUSTOM) {
start = System.currentTimeMillis();
image = new ColorConvertOp(null).filter(image, new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB));
System.err.println("Conversion time: " + (System.currentTimeMillis() - start) + " ms");
}
showIt(image, String.format("Image: %s [%d x %d]", file.getName(), reader.getWidth(imageNo), reader.getHeight(imageNo)));
try {