public Map<String, Image> getImages() {
Map<String, Image> images = new HashMap<String, Image>();
COSDictionary xobjectsDictionary =
(COSDictionary) getDictionary().getDictionaryObject(COSName.XOBJECT);
if (xobjectsDictionary == null) {
return images;
}
for (COSName objName : xobjectsDictionary.keySet()) {
try {
COSBase xobject = xobjectsDictionary.getDictionaryObject(objName);
if (xobject instanceof COSStream) {
COSStream xstream = (COSStream) xobject;
String subtype = xstream.getNameAsString(COSName.SUBTYPE);
if (!subtype.equals("Image")) {
continue;
}
PDFunction tintTransformer = getTintTransformer(xstream);
PDStream pdstream = new PDStream(xstream);
byte[] data = getStreamData(pdstream);
Image image = processStream(data, tintTransformer);
if (image != null) {
images.put(objName.getName(), image);
}
}
} catch (Exception e) {
LOG.error("error while creating a image", e);
}
}
return images;
}
