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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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50
imageio/imageio-pcx/src/main/java/com/twelvemonkeys/imageio/plugins/pcx/PCXMetadata.java
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@@ -28,52 +28,22 @@
package com.twelvemonkeys.imageio.plugins.pcx;
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.image.IndexColorModel;
final class PCXMetadata extends IIOMetadata {
// TODO: Clean up & extend AbstractMetadata (after moving from PSD -> Core)
final class PCXMetadata extends AbstractMetadata {
private final PCXHeader header;
private final IndexColorModel vgaPalette;
PCXMetadata(final PCXHeader header, final IndexColorModel vgaPalette) {
this.header = header;
this.vgaPalette = vgaPalette;
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");
IndexColorModel palette = null;
@@ -141,7 +111,8 @@ final class PCXMetadata extends IIOMetadata {
// No compression
@Override protected IIOMetadataNode getStandardCompressionNode() {
@Override
protected IIOMetadataNode getStandardCompressionNode() {
if (header.getCompression() != PCX.COMPRESSION_NONE) {
IIOMetadataNode node = new IIOMetadataNode("Compression");
@@ -159,7 +130,8 @@ final class PCXMetadata extends IIOMetadata {
return null;
}
@Override protected IIOMetadataNode getStandardDataNode() {
@Override
protected IIOMetadataNode getStandardDataNode() {
IIOMetadataNode node = new IIOMetadataNode("Data");
// Planar configuration only makes sense for multi-channel images
@@ -202,7 +174,8 @@ final class PCXMetadata extends IIOMetadata {
return buffer.toString();
}
@Override protected IIOMetadataNode getStandardDimensionNode() {
@Override
protected IIOMetadataNode getStandardDimensionNode() {
IIOMetadataNode dimension = new IIOMetadataNode("Dimension");
IIOMetadataNode imageOrientation = new IIOMetadataNode("ImageOrientation");
@@ -218,7 +191,8 @@ final class PCXMetadata 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...)