/**
* Opens the copier using the given reader and the given output version.
*
* @param reader
* @param outputStream the output stream to write to.
* @param version version for the created pdf copy, if null the version number is taken from the
* input {@link PdfReader}
*/
void open(PdfReader reader, OutputStream outputStream, PdfVersion version) throws TaskException {
try {
pdfDocument = new Document(reader.getPageSizeWithRotation(1));
pdfCopy = new PdfSmartCopy(pdfDocument, outputStream);
if (version == null) {
pdfCopy.setPdfVersion(reader.getPdfVersion());
} else {
pdfCopy.setPdfVersion(version.getVersionAsCharacter());
}
pdfDocument.addCreator(Sejda.CREATOR);
pdfDocument.open();
} catch (DocumentException e) {
throw new TaskException("An error occurred opening the PdfSmartCopy.", e);
}
}
public ImageResource getImageResource(String uri) {
ImageResource resource = null;
uri = resolveURI(uri);
resource = (ImageResource) _imageCache.get(uri);
if (resource == null) {
InputStream is = resolveAndOpenStream(uri);
if (is != null) {
try {
URL url = new URL(uri);
if (url.getPath() != null && url.getPath().toLowerCase().endsWith(".pdf")) {
PdfReader reader = _outputDevice.getReader(url);
PDFAsImage image = new PDFAsImage(url);
Rectangle rect = reader.getPageSizeWithRotation(1);
image.setInitialWidth(rect.getWidth() * _outputDevice.getDotsPerPoint());
image.setInitialHeight(rect.getHeight() * _outputDevice.getDotsPerPoint());
resource = new ImageResource(uri, image);
} else {
Image image = Image.getInstance(url);
scaleToOutputResolution(image);
resource = new ImageResource(uri, new ITextFSImage(image));
}
_imageCache.put(uri, resource);
} catch (IOException e) {
XRLog.exception("Can't read image file; unexpected problem for URI '" + uri + "'", e);
} catch (BadElementException e) {
XRLog.exception("Can't read image file; unexpected problem for URI '" + uri + "'", e);
} catch (URISyntaxException e) {
XRLog.exception("Can't read image file; unexpected problem for URI '" + uri + "'", e);
} finally {
try {
is.close();
} catch (IOException e) {
// ignore
}
}
}
}
if (resource == null) {
resource = new ImageResource(uri, null);
}
return resource;
}
