public static void main(String[] args) throws Exception {
// String uri = System.getProperty("user.dir") + "/sample-docs/metafile-samples/gradient.emf";
String uri =
System.getProperty("user.dir")
+ "/sample-docs/metafile-samples/freehand_picture_saveas.wmf";
System.out.println(uri);
// String uri = "/tmp/img4448.img";
ImageInfo ii = getImageInfo(new URL(uri));
displayImageInfo(ii);
}
/**
* @param bytes
* @param imageFile
* @return
* @throws Exception
* @throws FileNotFoundException
* @throws IOException
* @throws InterruptedException
*/
private static ImageInfo ensureFormatIsSupported(
URL url, File imageFile, byte[] bytes, boolean isLoad) throws Docx4JException {
FileOutputStream fos;
// ImageInfo can also tell us what sort of image it is
ImageInfo info = null;
boolean imagePreloaderFound = true;
try {
try {
info = getImageInfo(url);
// Debug ... note that these figures
// aren't necessarily accurate for EPS
displayImageInfo(info);
} catch (org.apache.xmlgraphics.image.loader.ImageException e) {
// Assume: The file format is not supported. No ImagePreloader found for /tmp/img55623.img
// There is no preloader for eg PDFs.
// (To use an image natively, we do need a preloader)
imagePreloaderFound = false;
log.warn(e.getMessage());
}
if (imagePreloaderFound
&& (info.getMimeType().equals(ContentTypes.IMAGE_TIFF)
|| info.getMimeType().equals(ContentTypes.IMAGE_EMF2) // ImageInfo
|| info.getMimeType().equals(ContentTypes.IMAGE_WMF)
|| info.getMimeType().equals(ContentTypes.IMAGE_PNG)
|| info.getMimeType().equals(ContentTypes.IMAGE_JPEG)
|| info.getMimeType().equals(ContentTypes.IMAGE_GIF)
// || info.getMimeType().equals(ContentTypes.IMAGE_EPS)
|| info.getMimeType().equals(ContentTypes.IMAGE_BMP))) {
// TODO: add other supported formats
// If its a format Word supports natively,
// do nothing here
log.debug(".. supported natively by Word");
} else if (imageFile != null && bytes != null) {
// otherwise (eg if its an EPS or PDF), try to convert it
// Although the Word UI suggests you can embed an EPS
// directly, Word actually converts it to an EMF;
// Word is unable to read a plain EPS image part.
// (TODO: detect failure)
log.debug(".. attempting to convert to PNG");
// If image haven't been load (using function createImagePartFromFilePath), we load it
if (isLoad == false) {
// So first, we create tmpFile
File tmpImageFile = File.createTempFile("img", ".img");
fos = new FileOutputStream(tmpImageFile);
// Now we get the inputStream, which is represented by imageFile in this case
FileInputStream bais = new FileInputStream(imageFile);
// We convert
convertToPNG(bais, fos, density);
// We don't forget to change locFile because the new image file is the converted image
// file!!
imageFile = tmpImageFile;
} // Else image has been load in an array (using function cretaImagePart)
else {
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
fos = new FileOutputStream(imageFile);
convertToPNG(bais, fos, density);
}
fos.close();
fos = null;
// We need to refresh image info
getImageManager().getCache().clearCache();
info = getImageInfo(new URL("file://" + imageFile.getAbsolutePath()));
// Debug ...
displayImageInfo(info);
} else {
throw new Docx4JException("Unsupported linked image type.");
}
} catch (Exception e) {
throw new Docx4JException("Error checking image format", e);
}
return info;
}
