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

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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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60
imageio/imageio-sgi/src/main/java/com/twelvemonkeys/imageio/plugins/sgi/SGIMetadata.java
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@@ -28,48 +28,19 @@
package com.twelvemonkeys.imageio.plugins.sgi;
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;
final class SGIMetadata extends IIOMetadata {
// TODO: Clean up & extend AbstractMetadata (after moving from PSD -> Core)
final class SGIMetadata extends AbstractMetadata {
private final SGIHeader header;
SGIMetadata(final SGIHeader 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");
// NOTE: There doesn't seem to be any god way to determine color space, other than by convention
@@ -117,12 +88,15 @@ final class SGIMetadata extends IIOMetadata {
// No compression
@Override protected IIOMetadataNode getStandardCompressionNode() {
@Override
protected IIOMetadataNode getStandardCompressionNode() {
if (header.getCompression() != SGI.COMPRESSION_NONE) {
IIOMetadataNode node = new IIOMetadataNode("Compression");
IIOMetadataNode compressionTypeName = new IIOMetadataNode("CompressionTypeName");
compressionTypeName.setAttribute("value", header.getCompression() == SGI.COMPRESSION_RLE ? "RLE" : "Uknown");
compressionTypeName.setAttribute("value", header.getCompression() == SGI.COMPRESSION_RLE
? "RLE"
: "Uknown");
node.appendChild(compressionTypeName);
IIOMetadataNode lossless = new IIOMetadataNode("Lossless");
@@ -135,7 +109,8 @@ final class SGIMetadata extends IIOMetadata {
return null;
}
@Override protected IIOMetadataNode getStandardDataNode() {
@Override
protected IIOMetadataNode getStandardDataNode() {
IIOMetadataNode node = new IIOMetadataNode("Data");
IIOMetadataNode sampleFormat = new IIOMetadataNode("SampleFormat");
@@ -183,7 +158,8 @@ final class SGIMetadata extends IIOMetadata {
return buffer.toString();
}
@Override protected IIOMetadataNode getStandardDimensionNode() {
@Override
protected IIOMetadataNode getStandardDimensionNode() {
IIOMetadataNode dimension = new IIOMetadataNode("Dimension");
IIOMetadataNode imageOrientation = new IIOMetadataNode("ImageOrientation");
@@ -195,7 +171,8 @@ final class SGIMetadata extends IIOMetadata {
// No document node
@Override protected IIOMetadataNode getStandardTextNode() {
@Override
protected IIOMetadataNode getStandardTextNode() {
if (!header.getName().isEmpty()) {
IIOMetadataNode text = new IIOMetadataNode("Text");
@@ -212,14 +189,17 @@ final class SGIMetadata extends IIOMetadata {
// No tiling
@Override protected IIOMetadataNode getStandardTransparencyNode() {
@Override
protected IIOMetadataNode getStandardTransparencyNode() {
// NOTE: There doesn't seem to be any god way to determine transparency, other than by convention
// 1 channel: Gray, 2 channel: Gray + Alpha, 3 channel: RGB, 4 channel: RGBA (hopefully never CMYK...)
IIOMetadataNode transparency = new IIOMetadataNode("Transparency");
IIOMetadataNode alpha = new IIOMetadataNode("Alpha");
alpha.setAttribute("value", header.getChannels() == 1 || header.getChannels() == 3 ? "none" : "nonpremultiplied");
alpha.setAttribute("value", header.getChannels() == 1 || header.getChannels() == 3
? "none"
: "nonpremultiplied");
transparency.appendChild(alpha);
return transparency;