下面列出了javax.imageio.metadata.IIOMetadataNode#getElementsByTagName ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Reads image meta data.
*
* @param oimage
* @return a map of meta data
*/
public static Map<String, String> readImageData(IIOImage oimage) {
Map<String, String> dict = new HashMap<String, String>();
IIOMetadata imageMetadata = oimage.getMetadata();
if (imageMetadata != null) {
IIOMetadataNode dimNode = (IIOMetadataNode) imageMetadata.getAsTree("javax_imageio_1.0");
NodeList nodes = dimNode.getElementsByTagName("HorizontalPixelSize");
int dpiX;
if (nodes.getLength() > 0) {
float dpcWidth = Float.parseFloat(nodes.item(0).getAttributes().item(0).getNodeValue());
dpiX = (int) Math.round(25.4f / dpcWidth);
} else {
dpiX = Toolkit.getDefaultToolkit().getScreenResolution();
}
dict.put("dpiX", String.valueOf(dpiX));
nodes = dimNode.getElementsByTagName("VerticalPixelSize");
int dpiY;
if (nodes.getLength() > 0) {
float dpcHeight = Float.parseFloat(nodes.item(0).getAttributes().item(0).getNodeValue());
dpiY = (int) Math.round(25.4f / dpcHeight);
} else {
dpiY = Toolkit.getDefaultToolkit().getScreenResolution();
}
dict.put("dpiY", String.valueOf(dpiY));
}
return dict;
}
@SuppressWarnings("nls")
private void parseExifMeta( IIOMetadata exifMeta ) {
outTags = new HashMap<String, ExifTag>();
IIOMetadataNode root = (IIOMetadataNode) exifMeta.getAsTree("com_sun_media_imageio_plugins_tiff_image_1.0");
NodeList imageDirectories = root.getElementsByTagName("TIFFIFD");
for( int i = 0; i < imageDirectories.getLength(); i++ ) {
IIOMetadataNode directory = (IIOMetadataNode) imageDirectories.item(i);
NodeList tiffTags = directory.getElementsByTagName("TIFFField");
for( int j = 0; j < tiffTags.getLength(); j++ ) {
IIOMetadataNode tag = (IIOMetadataNode) tiffTags.item(j);
String tagNumber = tag.getAttribute("number");
String tagName = tag.getAttribute("name");
String tagValue;
StringBuilder tmp = new StringBuilder();
IIOMetadataNode values = (IIOMetadataNode) tag.getFirstChild();
if ("TIFFUndefined".equals(values.getNodeName())) {
tmp.append(values.getAttribute("value"));
} else {
NodeList tiffNumbers = values.getChildNodes();
for( int k = 0; k < tiffNumbers.getLength(); k++ ) {
tmp.append(((IIOMetadataNode) tiffNumbers.item(k)).getAttribute("value"));
tmp.append(",");
}
tmp.deleteCharAt(tmp.length() - 1);
}
tagValue = tmp.toString();
ExifTag exifTag = new ExifTag(tagName, tagNumber, tagValue);
outTags.put(tagName, exifTag);
}
}
}
/**
* Main method to write the gps data to the exif
* @param gps - gps position to be added
* @throws IOException
*/
private void writeExif() throws IOException {
IIOMetadata metadata = jpegReader.getImageMetadata(0);
// names says which exif tree to get - 0 for jpeg 1 for the default
String[] names = metadata.getMetadataFormatNames();
IIOMetadataNode root = (IIOMetadataNode) metadata.getAsTree(names[0]);
// exif is on the app1 node called unknown
NodeList nList = root.getElementsByTagName("unknown");
IIOMetadataNode app1EXIFNode = (IIOMetadataNode) nList.item(0);
ArrayList<IIOMetadata> md = readExif(app1EXIFNode);
IIOMetadata exifMetadata = md.get(0);
// insert the gps data into the exif
exifMetadata = insertGPSCoords(exifMetadata);
// create a new exif node
IIOMetadataNode app1NodeNew = createNewExifNode(exifMetadata, null, null);
// copy the user data accross
app1EXIFNode.setUserObject(app1NodeNew.getUserObject());
// write to a new image file
FileImageOutputStream out1 = new FileImageOutputStream(new File("GPS_" + imageFile.getName()));
jpegWriter.setOutput(out1);
metadata.setFromTree(names[0], root);
IIOImage image = new IIOImage(jpegReader.readAsRenderedImage(0, jpegReader.getDefaultReadParam()), null, metadata);
// write out the new image
jpegWriter.write(jpegReader.getStreamMetadata(), image, jpegWriter.getDefaultWriteParam());
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param image The image.
* @param imageMetadata The image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param image The image.
* @param imageMetadata The image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}
/**
* Writes any extension blocks, the Image Descriptor, and the image data
*
* @param iioimage The image and image metadata.
* @param param The write parameters.
* @param globalColorTable The Global Color Table.
* @param sourceBounds The source region.
* @param destSize The destination dimensions.
*/
private void writeImage(RenderedImage image,
GIFWritableImageMetadata imageMetadata,
ImageWriteParam param, byte[] globalColorTable,
Rectangle sourceBounds, Dimension destSize)
throws IOException {
ColorModel colorModel = image.getColorModel();
SampleModel sampleModel = image.getSampleModel();
boolean writeGraphicsControlExtension;
if (imageMetadata == null) {
// Create default metadata.
imageMetadata = (GIFWritableImageMetadata)getDefaultImageMetadata(
new ImageTypeSpecifier(image), param);
// Set GraphicControlExtension flag only if there is
// transparency.
writeGraphicsControlExtension = imageMetadata.transparentColorFlag;
} else {
// Check for GraphicControlExtension element.
NodeList list = null;
try {
IIOMetadataNode root = (IIOMetadataNode)
imageMetadata.getAsTree(IMAGE_METADATA_NAME);
list = root.getElementsByTagName("GraphicControlExtension");
} catch(IllegalArgumentException iae) {
// Should never happen.
}
// Set GraphicControlExtension flag if element present.
writeGraphicsControlExtension =
list != null && list.getLength() > 0;
// If progressive mode is not MODE_COPY_FROM_METADATA, ensure
// the interlacing is set per the ImageWriteParam mode setting.
if (param != null && param.canWriteProgressive()) {
if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DISABLED) {
imageMetadata.interlaceFlag = false;
} else if (param.getProgressiveMode() ==
ImageWriteParam.MODE_DEFAULT) {
imageMetadata.interlaceFlag = true;
}
}
}
// Unset local color table if equal to global color table.
if (Arrays.equals(globalColorTable, imageMetadata.localColorTable)) {
imageMetadata.localColorTable = null;
}
// Override dimensions
imageMetadata.imageWidth = destSize.width;
imageMetadata.imageHeight = destSize.height;
// Write Graphics Control Extension.
if (writeGraphicsControlExtension) {
writeGraphicControlExtension(imageMetadata);
}
// Write extension blocks.
writePlainTextExtension(imageMetadata);
writeApplicationExtension(imageMetadata);
writeCommentExtension(imageMetadata);
// Write Image Descriptor
int bitsPerPixel =
getNumBits(imageMetadata.localColorTable == null ?
(globalColorTable == null ?
sampleModel.getSampleSize(0) :
globalColorTable.length/3) :
imageMetadata.localColorTable.length/3);
writeImageDescriptor(imageMetadata, bitsPerPixel);
// Write image data
writeRasterData(image, sourceBounds, destSize,
param, imageMetadata.interlaceFlag);
}