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RED-7075: WatermarkRemoval with javadoc comment

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RaphaelArnold 2023-08-03 11:34:51 +02:00
parent b99f9f26fe
commit 58343a49d3
1 changed files with 8 additions and 0 deletions
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src/main/java/com/iqser/red/pdftronlogic/commons/WatermarkRemovalService.java
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@ -33,6 +33,14 @@ public class WatermarkRemovalService {
final static int MIN_PAGES_THRESHOLD = 3;
/**
* The method remove watermark works only for Documents with size greater than MIN_PAGES_THRESHOLD.
* First the possible watermarks (big XObjects or Images) will be detected and then checked if those appear on most pages according to the
* OCCURING_ON_PAGES_THRESHOLD_FACTOR by using image hashing for similarity and size and stream size of the xobjects.
* If so, these detected and confirmed will not be written to the pdf file.
* @param pdfFile PDFFile to remove watermarks
* @param out The OutputStream the final file will be written to
*/
@SneakyThrows
public void removeWatermarks(InputStream pdfFile, OutputStream out) {