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TMI-139: Work in progress: TIFF image metadata.

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This commit is contained in:
Harald Kuhr
2015-06-22 11:11:37 +02:00
parent 7e65164b87
commit f4cc310096
18 changed files with 1041 additions and 265 deletions
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61
imageio/imageio-pnm/src/main/java/com/twelvemonkeys/imageio/plugins/pnm/PNMMetadata.java
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@@ -28,51 +28,22 @@
package com.twelvemonkeys.imageio.plugins.pnm;
import org.w3c.dom.Node;
import com.twelvemonkeys.imageio.AbstractMetadata;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.metadata.IIOMetadataNode;
import java.awt.*;
import java.awt.image.DataBuffer;
import java.nio.ByteOrder;
final class PNMMetadata extends IIOMetadata {
// TODO: Clean up & extend AbstractMetadata (after moving from PSD -> Core)
final class PNMMetadata extends AbstractMetadata {
private final PNMHeader header;
PNMMetadata(final PNMHeader header) {
this.header = header;
standardFormatSupported = true;
}
@Override public boolean isReadOnly() {
return true;
}
@Override public Node getAsTree(final String formatName) {
if (IIOMetadataFormatImpl.standardMetadataFormatName.equals(formatName)) {
return getStandardTree();
}
else {
throw new IllegalArgumentException("Unsupported metadata format: " + formatName);
}
}
@Override public void mergeTree(final String formatName, final Node root) {
if (isReadOnly()) {
throw new IllegalStateException("Metadata is read-only");
}
}
@Override public void reset() {
if (isReadOnly()) {
throw new IllegalStateException("Metadata is read-only");
}
}
@Override protected IIOMetadataNode getStandardChromaNode() {
@Override
protected IIOMetadataNode getStandardChromaNode() {
IIOMetadataNode chroma = new IIOMetadataNode("Chroma");
IIOMetadataNode csType = new IIOMetadataNode("ColorSpaceType");
@@ -105,7 +76,9 @@ final class PNMMetadata extends IIOMetadata {
// TODO: Might make sense to set gamma?
IIOMetadataNode blackIsZero = new IIOMetadataNode("BlackIsZero");
blackIsZero.setAttribute("value", header.getTupleType() == TupleType.BLACKANDWHITE_WHITE_IS_ZERO ? "FALSE" : "TRUE");
blackIsZero.setAttribute("value", header.getTupleType() == TupleType.BLACKANDWHITE_WHITE_IS_ZERO
? "FALSE"
: "TRUE");
chroma.appendChild(blackIsZero);
return chroma;
@@ -113,11 +86,14 @@ final class PNMMetadata extends IIOMetadata {
// No compression
@Override protected IIOMetadataNode getStandardDataNode() {
@Override
protected IIOMetadataNode getStandardDataNode() {
IIOMetadataNode node = new IIOMetadataNode("Data");
IIOMetadataNode sampleFormat = new IIOMetadataNode("SampleFormat");
sampleFormat.setAttribute("value", header.getTransferType() == DataBuffer.TYPE_FLOAT ? "Real" : "UnsignedIntegral");
sampleFormat.setAttribute("value", header.getTransferType() == DataBuffer.TYPE_FLOAT
? "Real"
: "UnsignedIntegral");
node.appendChild(sampleFormat);
IIOMetadataNode bitsPerSample = new IIOMetadataNode("BitsPerSample");
@@ -128,7 +104,9 @@ final class PNMMetadata extends IIOMetadata {
significantBitsPerSample.setAttribute("value", createListValue(header.getSamplesPerPixel(), Integer.toString(computeSignificantBits())));
node.appendChild(significantBitsPerSample);
String msb = header.getByteOrder() == ByteOrder.BIG_ENDIAN ? "0" : Integer.toString(header.getBitsPerSample() - 1);
String msb = header.getByteOrder() == ByteOrder.BIG_ENDIAN
? "0"
: Integer.toString(header.getBitsPerSample() - 1);
IIOMetadataNode sampleMSB = new IIOMetadataNode("SampleMSB");
sampleMSB.setAttribute("value", createListValue(header.getSamplesPerPixel(), msb));
@@ -166,7 +144,8 @@ final class PNMMetadata extends IIOMetadata {
return buffer.toString();
}
@Override protected IIOMetadataNode getStandardDimensionNode() {
@Override
protected IIOMetadataNode getStandardDimensionNode() {
IIOMetadataNode dimension = new IIOMetadataNode("Dimension");
IIOMetadataNode imageOrientation = new IIOMetadataNode("ImageOrientation");
@@ -178,7 +157,8 @@ final class PNMMetadata extends IIOMetadata {
// No document node
@Override protected IIOMetadataNode getStandardTextNode() {
@Override
protected IIOMetadataNode getStandardTextNode() {
if (!header.getComments().isEmpty()) {
IIOMetadataNode text = new IIOMetadataNode("Text");
@@ -197,7 +177,8 @@ final class PNMMetadata extends IIOMetadata {
// No tiling
@Override protected IIOMetadataNode getStandardTransparencyNode() {
@Override
protected IIOMetadataNode getStandardTransparencyNode() {
IIOMetadataNode transparency = new IIOMetadataNode("Transparency");
IIOMetadataNode alpha = new IIOMetadataNode("Alpha");