@SuppressWarnings("unchecked")
public void write() throws IOException {
Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(EXTENSION);
ImageWriter writer = writers.next();
ImageWriteParam param = writer.getDefaultWriteParam();
IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(image), param);
if (metadata instanceof com.sun.imageio.plugins.png.PNGMetadata) {
com.sun.imageio.plugins.png.PNGMetadata pngMetadata =
(com.sun.imageio.plugins.png.PNGMetadata) metadata;
ArrayList keyword = pngMetadata.tEXt_keyword;
ArrayList text = pngMetadata.tEXt_text;
for (String key : this.metadata.keySet()) {
if (keyword == null) keyword = new ArrayList();
if (text == null) text = new ArrayList();
keyword.add(key);
text.add(this.metadata.get(key));
}
pngMetadata.tEXt_keyword = keyword;
pngMetadata.tEXt_text = text;
}
IIOImage iioi = new IIOImage(image, null, metadata);
ImageOutputStream ios = ImageIO.createImageOutputStream(file);
writer.setOutput(ios);
writer.write(iioi);
}
public static List<File> createTiffFiles(List<IIOImage> imageList, int index, int dpiX, int dpiY)
throws IOException {
List<File> tiffFiles = new ArrayList<File>();
// Set up the writeParam
TIFFImageWriteParam tiffWriteParam = new TIFFImageWriteParam(Locale.US);
tiffWriteParam.setCompressionMode(ImageWriteParam.MODE_DISABLED);
// Get tif writer and set output to file
Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(TIFF_FORMAT);
ImageWriter writer = writers.next();
if (writer == null) {
throw new RuntimeException(
"Need to install JAI Image I/O package.\nhttps://jai-imageio.dev.java.net");
}
// Get the stream metadata
IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(tiffWriteParam);
// all if index == -1; otherwise, only index-th
for (IIOImage oimage : (index == -1 ? imageList : imageList.subList(index, index + 1))) {
if (dpiX != 0 && dpiY != 0) {
// Get the default image metadata.
ImageTypeSpecifier imageType =
ImageTypeSpecifier.createFromRenderedImage(oimage.getRenderedImage());
IIOMetadata imageMetadata = writer.getDefaultImageMetadata(imageType, null);
imageMetadata = setDPIViaAPI(imageMetadata, dpiX, dpiY);
oimage.setMetadata(imageMetadata);
}
File tiffFile = File.createTempFile(OUTPUT_FILE_NAME, TIFF_EXT);
ImageOutputStream ios = ImageIO.createImageOutputStream(tiffFile);
writer.setOutput(ios);
writer.write(streamMetadata, oimage, tiffWriteParam);
ios.close();
tiffFiles.add(tiffFile);
}
writer.dispose();
return tiffFiles;
}
