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Changed default indent from double space to tab. Minor clean-up.

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This commit is contained in:
Harald Kuhr 2011-10-30 18:11:52 +01:00
parent 7546a9d2ab
commit 18abfcdbc2
2 changed files with 201 additions and 130 deletions
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36
common/common-io/src/main/java/com/twelvemonkeys/xml/XMLSerializer.java
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@ -59,12 +59,6 @@ public class XMLSerializer {
// TODO: Consider using IOException to communicate trouble, rather than RTE, // TODO: Consider using IOException to communicate trouble, rather than RTE,
// to be more compatible... // to be more compatible...
// TODO: Idea: Create a SerializationContext that stores attributes on
// serialization, to keep the serialization thread-safe
// Store preserveSpace attribute in this context, to avoid costly traversals
// Store user options here too
// TODO: Push/pop?
private final OutputStream output; private final OutputStream output;
private final Charset encoding; private final Charset encoding;
private final SerializationContext context; private final SerializationContext context;
@ -76,7 +70,7 @@ public class XMLSerializer {
} }
public final void setIndentation(String pIndent) { public final void setIndentation(String pIndent) {
context.indent = pIndent != null ? pIndent : " "; context.indent = pIndent != null ? pIndent : "\t";
} }
public final void setStripComments(boolean pStrip) { public final void setStripComments(boolean pStrip) {
@ -279,11 +273,7 @@ public class XMLSerializer {
pos = appendAndEscape(pValue, pos, i, builder, ">"); pos = appendAndEscape(pValue, pos, i, builder, ">");
break; break;
//case '\'': //case '\'':
// pos = appendAndEscape(pString, pos, i, builder, "'");
// break;
//case '"': //case '"':
// pos = appendAndEscape(pString, pos, i, builder, """);
// break;
default: default:
break; break;
} }
@ -347,17 +337,6 @@ public class XMLSerializer {
} }
} }
//StringBuilder builder = new StringBuilder(pValue.length() + 30);
//
//int start = 0;
//while (end >= 0) {
// builder.append(pValue.substring(start, end));
// builder.append(""");
// start = end + 1;
// end = pValue.indexOf('"', start);
//}
//builder.append(pValue.substring(start));
builder.append(pValue.substring(pos)); builder.append(pValue.substring(pos));
return builder.toString(); return builder.toString();
@ -389,14 +368,14 @@ public class XMLSerializer {
} }
private static String validateCDataValue(final String pValue) { private static String validateCDataValue(final String pValue) {
if (pValue.indexOf("]]>") >= 0) { if (pValue.contains("]]>")) {
throw new IllegalArgumentException("Malformed input document: CDATA block may not contain the string ']]>'"); throw new IllegalArgumentException("Malformed input document: CDATA block may not contain the string ']]>'");
} }
return pValue; return pValue;
} }
private static String validateCommentValue(final String pValue) { private static String validateCommentValue(final String pValue) {
if (pValue.indexOf("--") >= 0) { if (pValue.contains("--")) {
throw new IllegalArgumentException("Malformed input document: Comment may not contain the string '--'"); throw new IllegalArgumentException("Malformed input document: Comment may not contain the string '--'");
} }
return pValue; return pValue;
@ -420,8 +399,6 @@ public class XMLSerializer {
// even if the document was created using attributes instead of namespaces... // even if the document was created using attributes instead of namespaces...
// In that case, prefix will be null... // In that case, prefix will be null...
// TODO: Don't insert duplicate/unnecessary namesspace declarations
// Handle namespace // Handle namespace
String namespace = pNode.getNamespaceURI(); String namespace = pNode.getNamespaceURI();
if (namespace != null && !namespace.equals(pContext.defaultNamespace)) { if (namespace != null && !namespace.equals(pContext.defaultNamespace)) {
@ -570,6 +547,11 @@ public class XMLSerializer {
pre.appendChild(document.createTextNode(" \t \n\r some text & white ' ' \n ")); pre.appendChild(document.createTextNode(" \t \n\r some text & white ' ' \n "));
test.appendChild(pre); test.appendChild(pre);
Element pre2 = document.createElementNS("http://www.twelvemonkeys.com/xml/test", "tight");
pre2.setAttributeNS("http://www.w3.org/XML/1998/namespace", "xml:space", "preserve");
pre2.appendChild(document.createTextNode("no-space-around-me"));
test.appendChild(pre2);
// Create serializer and output document // Create serializer and output document
//XMLSerializer serializer = new XMLSerializer(pOutput, new OutputFormat(document, UTF_8_ENCODING, true)); //XMLSerializer serializer = new XMLSerializer(pOutput, new OutputFormat(document, UTF_8_ENCODING, true));
System.out.println("XMLSerializer:"); System.out.println("XMLSerializer:");
@ -612,7 +594,7 @@ public class XMLSerializer {
} }
static class SerializationContext implements Cloneable { static class SerializationContext implements Cloneable {
String indent = " "; String indent = "\t";
int level = 0; int level = 0;
boolean preserveSpace = false; boolean preserveSpace = false;
boolean stripComments = false; boolean stripComments = false;

297
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReader.java
View File

@ -32,6 +32,7 @@ import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.imageio.ImageReaderBase; import com.twelvemonkeys.imageio.ImageReaderBase;
import com.twelvemonkeys.imageio.color.ColorSpaces; import com.twelvemonkeys.imageio.color.ColorSpaces;
import com.twelvemonkeys.imageio.metadata.jpeg.JPEG; import com.twelvemonkeys.imageio.metadata.jpeg.JPEG;
import com.twelvemonkeys.imageio.metadata.jpeg.JPEGSegment;
import com.twelvemonkeys.imageio.metadata.jpeg.JPEGSegmentUtil; import com.twelvemonkeys.imageio.metadata.jpeg.JPEGSegmentUtil;
import com.twelvemonkeys.imageio.util.ProgressListenerBase; import com.twelvemonkeys.imageio.util.ProgressListenerBase;
import com.twelvemonkeys.lang.Validate; import com.twelvemonkeys.lang.Validate;
@ -47,12 +48,13 @@ import java.awt.color.ICC_ColorSpace;
import java.awt.color.ICC_Profile; import java.awt.color.ICC_Profile;
import java.awt.image.*; import java.awt.image.*;
import java.io.*; import java.io.*;
import java.lang.reflect.Field;
import java.util.*; import java.util.*;
import java.util.List; import java.util.List;
/** /**
* JPEGImageReader * A JPEG {@code ImageReader} implementation based on the JDK {@code JPEGImageReader},
* with support for CMYK JPEGs and other non-standard color spaces,
* like embedded ICC color spaces with rendering intent other than 'perceptual'.
* *
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a> * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author LUT-based YCbCR conversion by Werner Randelshofer * @author LUT-based YCbCR conversion by Werner Randelshofer
@ -63,14 +65,14 @@ public class JPEGImageReader extends ImageReaderBase {
private final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.plugins.jpeg.debug")); private final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.plugins.jpeg.debug"));
/** Segment identifiers for the JPEG app segments we care about reading. */ /** Segment identifiers for the JPEG segments we care about reading. */
private static final Map<Integer, List<String>> SEGMENT_IDENTIFIERS = createSegmentIds(); private static final Map<Integer, List<String>> SEGMENT_IDENTIFIERS = createSegmentIds();
private static Map<Integer, List<String>> createSegmentIds() { private static Map<Integer, List<String>> createSegmentIds() {
Map<Integer, List<String>> map = new HashMap<Integer, List<String>>(); Map<Integer, List<String>> map = new HashMap<Integer, List<String>>();
// JFIF APP0 markers // JFIF APP0 markers
map.put(JPEG.APP0, Arrays.asList("JFIF", "JFXX")); map.put(JPEG.APP0, JPEGSegmentUtil.ALL_IDS);
// ICC Color Profile // ICC Color Profile
map.put(JPEG.APP2, Collections.singletonList("ICC_PROFILE")); map.put(JPEG.APP2, Collections.singletonList("ICC_PROFILE"));
@ -99,47 +101,49 @@ public class JPEGImageReader extends ImageReaderBase {
/** Our JPEG reading delegate */ /** Our JPEG reading delegate */
private final ImageReader delegate; private final ImageReader delegate;
private final ICCSpaceInterceptor iccSpaceInterceptor; // private final ICCSpaceInterceptor iccSpaceInterceptor;
private final ProgressDelegator progressDelegator; private final ProgressDelegator progressDelegator;
/** Cached JFIF app segments */ /** Cached JPEG app segments */
private List<JPEGSegmentUtil.Segment> segments; private List<JPEGSegment> segments;
private static Field getFieldSafely(final Class<?> cl, final String fieldName) { // private static Field getFieldSafely(final Class<?> cl, final String fieldName) {
try { // try {
Field field = cl.getDeclaredField(fieldName); // Field field = cl.getDeclaredField(fieldName);
field.setAccessible(true); // field.setAccessible(true);
return field; // return field;
} // }
catch (NoSuchFieldException ignore) { // catch (NoSuchFieldException ignore) {
} // }
catch (SecurityException ignore) { // catch (SecurityException ignore) {
} // }
//
return null; // return null;
} // }
JPEGImageReader(final ImageReaderSpi provider, final ImageReader delegate) { JPEGImageReader(final ImageReaderSpi provider, final ImageReader delegate) {
super(provider); super(provider);
this.delegate = Validate.notNull(delegate); this.delegate = Validate.notNull(delegate);
Field iccCS = getFieldSafely(delegate.getClass(), "iccCS"); // Field iccCS = getFieldSafely(delegate.getClass(), "iccCS");
iccSpaceInterceptor = iccCS != null ? new ICCSpaceInterceptor(iccCS) : null; // iccSpaceInterceptor = iccCS != null ? new ICCSpaceInterceptor(iccCS) : null;
progressDelegator = new ProgressDelegator(); progressDelegator = new ProgressDelegator();
} }
public static void main(String[] args) throws IOException { public static void main(String[] args) throws IOException {
File file = new File(args[0]); File file = new File(args[0]);
ImageInputStream input = ImageIO.createImageInputStream(file); ImageInputStream input = ImageIO.createImageInputStream(file);
Iterator<ImageReader> readers = ImageIO.getImageReaders(input); Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
if (!readers.hasNext()) { if (!readers.hasNext()) {
System.err.println("No reader for: " + file); System.err.println("No reader for: " + file);
System.exit(1); System.exit(1);
} }
ImageReader myReader = readers.next(); ImageReader myReader = readers.next();
System.err.println("Reading using: " + myReader); System.err.println("Reading using: " + myReader);
myReader.addIIOReadWarningListener(new IIOReadWarningListener() { myReader.addIIOReadWarningListener(new IIOReadWarningListener() {
public void warningOccurred(ImageReader source, String warning) { public void warningOccurred(ImageReader source, String warning) {
System.err.println("warning: " + warning); System.err.println("warning: " + warning);
@ -185,23 +189,37 @@ public class JPEGImageReader extends ImageReaderBase {
long start = System.currentTimeMillis(); long start = System.currentTimeMillis();
BufferedImage image = myReader.read(0, param); BufferedImage image = myReader.read(0, param);
System.err.println("Time: " + (System.currentTimeMillis() - start) + " ms"); System.err.println("Read time: " + (System.currentTimeMillis() - start) + " ms");
System.err.println("image: " + image); System.err.println("image: " + image);
// image = new ResampleOp(myReader.getWidth(0) / 4, myReader.getHeight(0) / 4, ResampleOp.FILTER_BLACKMAN_SINC).filter(image, null); // image = new ResampleOp(myReader.getWidth(0) / 4, myReader.getHeight(0) / 4, ResampleOp.FILTER_LANCZOS).filter(image, null);
if (image.getWidth() > 1600 || image.getHeight() > 1000) { int maxW = 1280;
int maxH = 800;
if (image.getWidth() > maxW || image.getHeight() > maxH) {
start = System.currentTimeMillis();
float aspect = myReader.getAspectRatio(0); float aspect = myReader.getAspectRatio(0);
int height = Math.round(1600 / aspect); if (aspect >= 1f) {
if (height <= 1000) { image = ImageUtil.createResampled(image, maxW, Math.round(maxW / aspect), Image.SCALE_DEFAULT);
image = ImageUtil.createResampled(image, 1600, height, Image.SCALE_DEFAULT);
} }
else { else {
image = ImageUtil.createResampled(image, Math.round(1000 * aspect), 1000, Image.SCALE_DEFAULT); image = ImageUtil.createResampled(image, Math.round(maxH * aspect), maxH, Image.SCALE_DEFAULT);
} }
System.err.println("Scale time: " + (System.currentTimeMillis() - start) + " ms");
} }
showIt(image, String.format("Image: %s [%d x %d]", file.getName(), myReader.getWidth(0), myReader.getHeight(0))); showIt(image, String.format("Image: %s [%d x %d]", file.getName(), myReader.getWidth(0), myReader.getHeight(0)));
try {
int numThumbnails = myReader.getNumThumbnails(0);
for (int i = 0; i < numThumbnails; i++) {
BufferedImage thumbnail = myReader.readThumbnail(0, i);
showIt(thumbnail, String.format("Image: %s [%d x %d]", file.getName(), thumbnail.getWidth(), thumbnail.getHeight()));
}
}
catch (IIOException e) {
System.err.println("Could not read thumbnails: " + e.getMessage());
}
} }
finally { finally {
input.close(); input.close();
@ -209,9 +227,9 @@ public class JPEGImageReader extends ImageReaderBase {
} }
private void installListeners() { private void installListeners() {
if (iccSpaceInterceptor != null) { // if (iccSpaceInterceptor != null) {
delegate.addIIOReadProgressListener(iccSpaceInterceptor); // delegate.addIIOReadProgressListener(iccSpaceInterceptor);
} // }
delegate.addIIOReadProgressListener(progressDelegator); delegate.addIIOReadProgressListener(progressDelegator);
delegate.addIIOReadUpdateListener(progressDelegator); delegate.addIIOReadUpdateListener(progressDelegator);
@ -260,9 +278,27 @@ public class JPEGImageReader extends ImageReaderBase {
// TODO: Read header, and make sure we return valid types for the images we can now read // TODO: Read header, and make sure we return valid types for the images we can now read
Iterator<ImageTypeSpecifier> types = delegate.getImageTypes(imageIndex); Iterator<ImageTypeSpecifier> types = delegate.getImageTypes(imageIndex);
if (iccSpaceInterceptor != null) {
iccSpaceInterceptor.replaceCS(delegate); ICC_Profile profile = getEmbeddedICCProfile();
AdobeDCT adobeDCT = getAdobeDCT();
// TODO: FixMe
if (types == null || !types.hasNext() || adobeDCT != null && adobeDCT.getTransform() == AdobeDCT.YCCK || profile != null && profile.getColorSpaceType() == ColorSpace.TYPE_CMYK) {
return Arrays.asList(
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_3BYTE_BGR),
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB),
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_BGR)
// TODO: We can/should also read and return it as CMYK if it is..
// + original color profile should be an option
).iterator();
} }
// if (iccSpaceInterceptor != null) {
// iccSpaceInterceptor.replaceCS(delegate);
// }
return types; return types;
} }
@ -289,12 +325,22 @@ public class JPEGImageReader extends ImageReaderBase {
assertInput(); assertInput();
checkBounds(imageIndex); checkBounds(imageIndex);
// TODO: This test is not good enough for JDK7, which seems to have fixed some of the issues.
// NOTE: We rely on the fact that unsupported images has no valid types. This is kind of hacky. // NOTE: We rely on the fact that unsupported images has no valid types. This is kind of hacky.
// Might want to look into the metadata, to see if there's a better way to identify these. // Might want to look into the metadata, to see if there's a better way to identify these.
boolean unsupported = !delegate.getImageTypes(imageIndex).hasNext(); boolean unsupported = !delegate.getImageTypes(imageIndex).hasNext();
ICC_Profile profile = getEmbeddedICCProfile(); ICC_Profile profile = getEmbeddedICCProfile();
if (delegate.canReadRaster() && (unsupported || profile != null && ColorSpaces.isOffendingColorProfile(profile))) { AdobeDCT adobeDCT = getAdobeDCT();
if (
delegate.canReadRaster() &&
(
unsupported ||
adobeDCT != null && adobeDCT.getTransform() == AdobeDCT.YCCK ||
profile != null && (ColorSpaces.isOffendingColorProfile(profile) || profile.getColorSpaceType() == ColorSpace.TYPE_CMYK)
)
) {
if (DEBUG) { if (DEBUG) {
System.out.println("Reading using raster and extra conversion"); System.out.println("Reading using raster and extra conversion");
System.out.println("ICC color profile = " + profile); System.out.println("ICC color profile = " + profile);
@ -304,8 +350,10 @@ public class JPEGImageReader extends ImageReaderBase {
} }
if (DEBUG) { if (DEBUG) {
System.out.println("Reading using " + (iccSpaceInterceptor != null ? "intercepted " : "") + "delegate"); // System.out.println("Reading using " + (iccSpaceInterceptor != null ? "intercepted " : "") + "delegate");
System.out.println("Reading using delegate");
} }
return delegate.read(imageIndex, param); return delegate.read(imageIndex, param);
} }
@ -315,7 +363,6 @@ public class JPEGImageReader extends ImageReaderBase {
int origHeight = getHeight(imageIndex); int origHeight = getHeight(imageIndex);
ColorSpace srcCs = null; ColorSpace srcCs = null;
int xform = AdobeDCT.Unknown;
/*-------------------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------------------
@ -356,41 +403,57 @@ public class JPEGImageReader extends ImageReaderBase {
--------------------------------------------------------------------------------------------------------------*/ --------------------------------------------------------------------------------------------------------------*/
// TODO: Fix this algorithm to behave like above, except for the presence of JFIF APP0 dictating YCbCr or gray, // TODO: Fix this algorithm to behave like above, except the presence of JFIF APP0 might mean YCbCr, gray or CMYK.
// as it might just as well be CMYK...
// AdobeApp14 with transform either 1 or 2 can be trusted to be YCC/YCCK respectively, transform 0 means 1 component gray, 3 comp rgb, 4 comp cmyk // AdobeApp14 with transform either 1 or 2 can be trusted to be YCC/YCCK respectively, transform 0 means 1 component gray, 3 comp rgb, 4 comp cmyk
// //
// 9788245605525.jpg: JFIF App0 + Adobe App14 transform 0, channel Id's C, M, Y, K // 9788245605525.jpg: JFIF App0 + Adobe App14 transform 0, channel Id's C, M, Y, K, no ICC
// lund-logo-cmyk.jpg: Adobe App14 transform 0 (+ flag?), channel Id's 1-4 // lund-logo-cmyk.jpg: No App0, Adobe App14 transform 0 (+ flag?), channel Id's 1-4, no ICC
// teastar_300dpi_cmyk.jpg: Adobe App14 transform 2 (+ flag), channel Id's 1-4 // teastar_300dpi_cmyk.jpg: No App0, Adobe App14 transform 2 (+ flag), channel Id's 1-4, ICC
// System.err.println("----> isAPP0Present(): " + isJFIFAPP0Present()); // System.err.println("----> isAPP0Present(): " + isJFIFAPP0Present());
// System.err.println("getAppSegments(JPEG.APP0, null): " + getAppSegments(JPEG.APP0, null));
// System.err.println("segments: " + segments);
SOF startOfFrame = getSOF(); SOF startOfFrame = getSOF();
// System.err.println("startOfFrame: " + startOfFrame); // System.err.println("startOfFrame: " + startOfFrame);
Iterator<ImageTypeSpecifier> imageTypes = delegate.getImageTypes(imageIndex);
// CMYK Support, assuming the delegate reader can't decode, and any 4 component image is CMYK
if (!imageTypes.hasNext() && startOfFrame.componentsInFrame == 4) {
// NOTE: Reading the metadata here chokes on some images. Instead, parse the Adobe App14 segment and read transform directly
AdobeDCT adobeDCT = getAdobeDCT(); AdobeDCT adobeDCT = getAdobeDCT();
// System.err.println("adobeDCT: " + adobeDCT); // System.err.println("adobeDCT: " + adobeDCT);
xform = adobeDCT != null ? adobeDCT.getTransform() : AdobeDCT.Unknown;
Iterator<ImageTypeSpecifier> imageTypes = delegate.getImageTypes(imageIndex);
int transform = adobeDCT != null ? adobeDCT.getTransform() : AdobeDCT.Unknown;
// TODO: The !types.hasNext test is broken for JDK7, as it does return types...
// CMYK Support, assuming the delegate reader can't decode, and any 4 component image is CMYK
if ((!imageTypes.hasNext() || transform == AdobeDCT.YCCK || profile != null && profile.getColorSpaceType() == ColorSpace.TYPE_CMYK) && startOfFrame.componentsInFrame == 4) {
// NOTE: Reading the metadata here chokes on some images. Instead, parse the Adobe App14 segment and read transform directly
// TODO: If cmyk and no ICC profile, just use FastCMYKToRGB, without attempting loading Generic CMYK profile first!
// TODO: Also, don't get generic CMYK if we already have a profile...
srcCs = ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK); srcCs = ColorSpaces.getColorSpace(ColorSpaces.CS_GENERIC_CMYK);
imageTypes = Arrays.asList(ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_3BYTE_BGR)).iterator(); imageTypes = Arrays.asList(
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_3BYTE_BGR),
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB),
ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_BGR)
// TODO: Only alpha if source has alpha... (ColorConvertOp chokes otherwise)
// ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_ARGB),
// ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_ARGB_PRE),
// ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_4BYTE_ABGR),
// ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_4BYTE_ABGR_PRE)
// TODO: Move to getImageTypes + add native color space if profile != null
).iterator();
} }
// ...else blow up as there's no possible types to decode into...
BufferedImage image = getDestination(param, imageTypes, origWidth, origHeight); BufferedImage image = getDestination(param, imageTypes, origWidth, origHeight);
// System.err.println("JPEGImageReader.readImageAsRasterAndReplaceColorProfile: " + image);
WritableRaster destination = image.getRaster(); WritableRaster destination = image.getRaster();
// TODO: checkReadParamBandSettings(param, ); // TODO: checkReadParamBandSettings(param, );
ColorConvertOp convert = null; RasterOp convert = null;
ICC_ColorSpace replacement = profile != null ? ColorSpaces.createColorSpace(profile) : null; ICC_ColorSpace replacement = profile != null ? ColorSpaces.createColorSpace(profile) : null;
if (profile != null && profile.getColorSpaceType() == ColorSpace.TYPE_GRAY && image.getColorModel().getColorSpace().getType() == ColorSpace.CS_GRAY) { if (profile != null && profile.getColorSpaceType() == ColorSpace.TYPE_GRAY && image.getColorModel().getColorSpace().getType() == ColorSpace.CS_GRAY) {
@ -398,13 +461,20 @@ public class JPEGImageReader extends ImageReaderBase {
// probably because IJG native part does it already...? If applied, color looks wrong (too dark)... // probably because IJG native part does it already...? If applied, color looks wrong (too dark)...
} }
else if (replacement != null) { else if (replacement != null) {
// NOTE: CCO is not really necessary if replacement == image.getCM().getCS(), // NOTE: Avoid using CCOp if same color space, as it's more compatible that way
// but in practice it's as fast/faster than raster.setRect() (see below) if (replacement != image.getColorModel().getColorSpace()) {
convert = new ColorConvertOp(replacement, image.getColorModel().getColorSpace(), null); convert = new ColorConvertOp(replacement, image.getColorModel().getColorSpace(), null);
} }
// Else, pass through with no conversion
}
else if (srcCs != null) { else if (srcCs != null) {
if (!(srcCs instanceof ICC_ColorSpace) && image.getColorModel().getColorSpace().getType() == ColorSpace.TYPE_RGB && srcCs.getType() == ColorSpace.TYPE_CMYK) {
convert = new FastCMYKToRGB();
}
else {
convert = new ColorConvertOp(srcCs, image.getColorModel().getColorSpace(), null); convert = new ColorConvertOp(srcCs, image.getColorModel().getColorSpace(), null);
} }
}
// else if (!image.getColorModel().getColorSpace().isCS_sRGB()) { // else if (!image.getColorModel().getColorSpace().isCS_sRGB()) {
// TODO: Need to handle case where src and dest differ still // TODO: Need to handle case where src and dest differ still
// convert = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_sRGB), image.getColorModel().getColorSpace(), null); // convert = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_sRGB), image.getColorModel().getColorSpace(), null);
@ -414,47 +484,53 @@ public class JPEGImageReader extends ImageReaderBase {
} }
// We'll need a read param // We'll need a read param
Rectangle origSourceRegion;
if (param == null) { if (param == null) {
param = delegate.getDefaultReadParam(); param = delegate.getDefaultReadParam();
origSourceRegion = null;
}
else {
origSourceRegion = param.getSourceRegion();
} }
Rectangle srcRegion = new Rectangle(); Rectangle srcRegion = new Rectangle();
Rectangle dstRegion = new Rectangle(); Rectangle dstRegion = new Rectangle();
computeRegions(param, origWidth, origHeight, image, srcRegion, dstRegion); computeRegions(param, origWidth, origHeight, image, srcRegion, dstRegion);
// We're ready to go // We're ready to go
processImageStarted(imageIndex); processImageStarted(imageIndex);
// Unfortunately looping is slower than reading all at once, but // Unfortunately looping is slower than reading all at once, but
// that requires 2 x memory, so a few steps is an ok compromise I guess // that requires 2 x + memory, so a few steps is an ok compromise I guess
try { try {
int csType = srcCs != null ? srcCs.getType() : image.getColorModel().getColorSpace().getType(); int srcCsType = srcCs != null ? srcCs.getType() : image.getColorModel().getColorSpace().getType();
int step = Math.max(1024, srcRegion.height / 10); int step = Math.max(1024, srcRegion.height / 10); // * param.getSourceYSubsampling(); // TODO: Using a multiple of 8 is probably a good idea for JPEG
int destY = dstRegion.y;
for (int y = srcRegion.y; y < srcRegion.height; y += step) { for (int y = srcRegion.y; y < srcRegion.height; y += step) {
int scan = Math.min(step, srcRegion.height - y); int scan = Math.min(step, srcRegion.height - y);
// Let the progress delegator handle progress, using corrected range // Let the progress delegator handle progress, using corrected range
progressDelegator.updateProgressRange(100f * (y + scan) / srcRegion.height); progressDelegator.updateProgressRange(100f * (y + scan) / srcRegion.height);
// try {
param.setSourceRegion(new Rectangle(srcRegion.x, y, srcRegion.width, scan)); Rectangle subRegion = new Rectangle(srcRegion.x, y, srcRegion.width, scan);
param.setSourceRegion(subRegion);
Raster raster = delegate.readRaster(imageIndex, param); // non-converted Raster raster = delegate.readRaster(imageIndex, param); // non-converted
// Apply source color conversion form implicit color space // Apply source color conversion form implicit color space
if ((xform == AdobeDCT.YCC || xform == AdobeDCT.Unknown) && csType == ColorSpace.TYPE_RGB) { if ((transform == AdobeDCT.YCC || transform == AdobeDCT.Unknown) && srcCsType == ColorSpace.TYPE_RGB) {
YCbCrConverter.convertYCbCr2RGB(raster); YCbCrConverter.convertYCbCr2RGB(raster);
} }
else if (xform == AdobeDCT.YCCK && csType == ColorSpace.TYPE_CMYK) { else if (transform == AdobeDCT.YCCK && srcCsType == ColorSpace.TYPE_CMYK) {
YCbCrConverter.convertYCCK2CMYK(raster); YCbCrConverter.convertYCCK2CMYK(raster);
} }
else if (xform == AdobeDCT.Unknown && csType == ColorSpace.TYPE_CMYK) { else if (transform == AdobeDCT.Unknown && srcCsType == ColorSpace.TYPE_CMYK) {
invertCMYK(raster); invertCMYK(raster);
} }
// ...else assume the raster is already converted
// TODO: Subsampling int destHeight = Math.min(raster.getHeight(), dstRegion.height - destY); // Avoid off-by-one
Raster src = raster.createChild(0, 0, raster.getWidth(), destHeight, 0, 0, param.getSourceBands());
Raster src = raster.createChild(0, 0, raster.getWidth(), raster.getHeight(), 0, 0, param.getSourceBands()); WritableRaster dest = destination.createWritableChild(dstRegion.x, destY, raster.getWidth(), destHeight, 0, 0, param.getDestinationBands());
WritableRaster dest = destination.createWritableChild(dstRegion.x, dstRegion.y + y - srcRegion.y, dstRegion.width, raster.getHeight(), 0, 0, param.getDestinationBands());
// Apply further color conversion for explicit color space, or just copy the pixels into place // Apply further color conversion for explicit color space, or just copy the pixels into place
if (convert != null) { if (convert != null) {
@ -464,25 +540,17 @@ public class JPEGImageReader extends ImageReaderBase {
dest.setRect(0, 0, src); dest.setRect(0, 0, src);
} }
destY += raster.getHeight();
if (abortRequested()) { if (abortRequested()) {
processReadAborted(); processReadAborted();
break; break;
} }
// }
// catch (RasterFormatException e) {
// System.err.println("y: " + y);
// System.err.println("step: " + step);
// System.err.println("scan: " + scan);
// System.err.println("srcRegion: " + srcRegion);
// System.err.println("dstRegion: " + dstRegion);
//
// throw e;
// }
} }
} }
finally { finally {
// NOTE: Would be cleaner to clone the param, unfortunately it can't be done easily... // NOTE: Would be cleaner to clone the param, unfortunately it can't be done easily...
param.setSourceRegion(srcRegion); param.setSourceRegion(origSourceRegion);
// Restore normal read progress processing // Restore normal read progress processing
progressDelegator.resetProgressRange(); progressDelegator.resetProgressRange();
@ -509,7 +577,7 @@ public class JPEGImageReader extends ImageReaderBase {
long pos = imageInput.getStreamPosition(); long pos = imageInput.getStreamPosition();
try { try {
imageInput.seek(0); // TODO: Seek to wanted image imageInput.seek(0); // TODO: Seek to wanted image, skip images on the way
segments = JPEGSegmentUtil.readSegments(imageInput, SEGMENT_IDENTIFIERS); segments = JPEGSegmentUtil.readSegments(imageInput, SEGMENT_IDENTIFIERS);
} }
@ -523,15 +591,15 @@ public class JPEGImageReader extends ImageReaderBase {
} }
} }
private List<JPEGSegmentUtil.Segment> getAppSegments(final int marker, final String identifier) throws IOException { private List<JPEGSegment> getAppSegments(final int marker, final String identifier) throws IOException {
initHeader(); initHeader();
List<JPEGSegmentUtil.Segment> appSegments = Collections.emptyList(); List<JPEGSegment> appSegments = Collections.emptyList();
for (JPEGSegmentUtil.Segment segment : segments) { for (JPEGSegment segment : segments) {
if (segment.marker() == marker && identifier.equals(segment.identifier())) { if (segment.marker() == marker && (identifier == null || identifier.equals(segment.identifier()))) {
if (appSegments == Collections.EMPTY_LIST) { if (appSegments == Collections.EMPTY_LIST) {
appSegments = new ArrayList<JPEGSegmentUtil.Segment>(segments.size()); appSegments = new ArrayList<JPEGSegment>(segments.size());
} }
appSegments.add(segment); appSegments.add(segment);
@ -546,7 +614,7 @@ public class JPEGImageReader extends ImageReaderBase {
} }
private SOF getSOF() throws IOException { private SOF getSOF() throws IOException {
for (JPEGSegmentUtil.Segment segment : segments) { for (JPEGSegment segment : segments) {
if (JPEG.SOF0 <= segment.marker() && segment.marker() <= JPEG.SOF3 || if (JPEG.SOF0 <= segment.marker() && segment.marker() <= JPEG.SOF3 ||
JPEG.SOF5 <= segment.marker() && segment.marker() <= JPEG.SOF7 || JPEG.SOF5 <= segment.marker() && segment.marker() <= JPEG.SOF7 ||
JPEG.SOF9 <= segment.marker() && segment.marker() <= JPEG.SOF11 || JPEG.SOF9 <= segment.marker() && segment.marker() <= JPEG.SOF11 ||
@ -559,20 +627,16 @@ public class JPEGImageReader extends ImageReaderBase {
int samplesPerLine = data.readUnsignedShort(); int samplesPerLine = data.readUnsignedShort();
int componentsInFrame = data.readUnsignedByte(); int componentsInFrame = data.readUnsignedByte();
/** SOFComponent[] components = new SOFComponent[componentsInFrame];
// Might not need this
for (int i = 0; i < componentsInFrame; i++) { for (int i = 0; i < componentsInFrame; i++) {
int comp = i + 1;
int id = data.readUnsignedByte(); int id = data.readUnsignedByte();
System.err.println(comp + " id: " + id + " '" + (char) id + "'"); // typically 1-4, but may be 'C'/'M'/'Y'/'K' or similar...
int hv = data.readUnsignedByte(); int hv = data.readUnsignedByte();
System.err.println(comp + " horiz sub: " + ((hv & 0xF0) >> 4)); int qtsel = data.readUnsignedByte();
System.err.println(comp + " vertical sub: " + ((hv & 0xF)));
System.err.println(comp + " qt sel: " + data.readUnsignedByte());
}
//*/
return new SOF(segment.marker(), samplePrecision, lines, samplesPerLine, componentsInFrame); components[i] = new SOFComponent(id, ((hv & 0xF0) >> 4), (hv & 0xF), qtsel);
}
return new SOF(segment.marker(), samplePrecision, lines, samplesPerLine, componentsInFrame, components);
} }
finally { finally {
data.close(); data.close();
@ -584,7 +648,7 @@ public class JPEGImageReader extends ImageReaderBase {
} }
private AdobeDCT getAdobeDCT() throws IOException { private AdobeDCT getAdobeDCT() throws IOException {
List<JPEGSegmentUtil.Segment> adobe = getAppSegments(JPEG.APP14, "Adobe"); List<JPEGSegment> adobe = getAppSegments(JPEG.APP14, "Adobe");
if (!adobe.isEmpty()) { if (!adobe.isEmpty()) {
// version (byte), flags (4bytes), color transform (byte: 0=unknown, 1=YCC, 2=YCCK) // version (byte), flags (4bytes), color transform (byte: 0=unknown, 1=YCC, 2=YCCK)
@ -605,11 +669,11 @@ public class JPEGImageReader extends ImageReaderBase {
// ICC v 1.42 (2006) annex B: // ICC v 1.42 (2006) annex B:
// APP2 marker (0xFFE2) + 2 byte length + ASCII 'ICC_PROFILE' + 0 (termination) // APP2 marker (0xFFE2) + 2 byte length + ASCII 'ICC_PROFILE' + 0 (termination)
// + 1 byte chunk number + 1 byte chunk count (allows ICC profiles chunked in multiple APP2 segments) // + 1 byte chunk number + 1 byte chunk count (allows ICC profiles chunked in multiple APP2 segments)
List<JPEGSegmentUtil.Segment> segments = getAppSegments(JPEG.APP2, "ICC_PROFILE"); List<JPEGSegment> segments = getAppSegments(JPEG.APP2, "ICC_PROFILE");
if (segments.size() == 1) { if (segments.size() == 1) {
// Faster code for the common case // Faster code for the common case
JPEGSegmentUtil.Segment segment = segments.get(0); JPEGSegment segment = segments.get(0);
DataInputStream stream = new DataInputStream(segment.data()); DataInputStream stream = new DataInputStream(segment.data());
int chunkNumber = stream.readUnsignedByte(); int chunkNumber = stream.readUnsignedByte();
int chunkCount = stream.readUnsignedByte(); int chunkCount = stream.readUnsignedByte();
@ -913,6 +977,7 @@ public class JPEGImageReader extends ImageReaderBase {
} }
/*
private static class ICCSpaceInterceptor extends ProgressListenerBase { private static class ICCSpaceInterceptor extends ProgressListenerBase {
final Field iccCS; final Field iccCS;
@ -957,6 +1022,7 @@ public class JPEGImageReader extends ImageReaderBase {
} }
} }
} }
*/
private static class SOF { private static class SOF {
private final int marker; private final int marker;
@ -964,13 +1030,15 @@ public class JPEGImageReader extends ImageReaderBase {
private final int lines; // height private final int lines; // height
private final int samplesPerLine; // width private final int samplesPerLine; // width
private final int componentsInFrame; private final int componentsInFrame;
private final SOFComponent[] components;
public SOF(int marker, int samplePrecision, int lines, int samplesPerLine, int componentsInFrame) { public SOF(int marker, int samplePrecision, int lines, int samplesPerLine, int componentsInFrame, SOFComponent[] components) {
this.marker = marker; this.marker = marker;
this.samplePrecision = samplePrecision; this.samplePrecision = samplePrecision;
this.lines = lines; this.lines = lines;
this.samplesPerLine = samplesPerLine; this.samplesPerLine = samplesPerLine;
this.componentsInFrame = componentsInFrame; this.componentsInFrame = componentsInFrame;
this.components = components;
} }
public int getMarker() { public int getMarker() {
@ -996,12 +1064,33 @@ public class JPEGImageReader extends ImageReaderBase {
@Override @Override
public String toString() { public String toString() {
return String.format( return String.format(
"SOF[marker: %04x, preciscion: %d, lines: %d, samples/line: %d, components: %d]", "SOF[marker: %04x, preciscion: %d, lines: %d, samples/line: %d, components: %s]",
marker, samplePrecision, lines, samplesPerLine, componentsInFrame marker, samplePrecision, lines, samplesPerLine, Arrays.toString(components)
); );
} }
} }
private static class SOFComponent {
private final int id;
private final int hSub;
private final int vSub;
private final int qtSel;
public SOFComponent(int id, int hSub, int vSub, int qtSel) {
this.id = id;
this.hSub = hSub;
this.vSub = vSub;
this.qtSel = qtSel;
}
@Override
public String toString() {
// Use id either as component number or component name, based on value
Serializable idStr = (id >= 'a' && id <= 'z' || id >= 'A' && id <= 'Z') ? "'" + (char) id + "'" : id;
return String.format("id: %s, sub: %d/%d, sel: %d", idStr, hSub, vSub, qtSel);
}
}
private static class AdobeDCT { private static class AdobeDCT {
public static final int Unknown = 0; public static final int Unknown = 0;
public static final int YCC = 1; public static final int YCC = 1;
@ -1038,8 +1127,8 @@ public class JPEGImageReader extends ImageReaderBase {
@Override @Override
public String toString() { public String toString() {
return String.format( return String.format(
"AdobeDCT[ver: %d, flags: %s %s, transform: %d]", "AdobeDCT[ver: %d.%02d, flags: %s %s, transform: %d]",
getVersion(), Integer.toBinaryString(getFlags0()), Integer.toBinaryString(getFlags1()), getTransform() getVersion() / 100, getVersion() % 100, Integer.toBinaryString(getFlags0()), Integer.toBinaryString(getFlags1()), getTransform()
); );
} }
} }