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How to remove watermark created by spire.pdf?
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| PDDocument document = PDDocument.load(new File("files/test.pdf")); | |
| for (PDPage page : document.getPages()) { | |
| PDResources resources = page.getResources(); | |
| resources.getCOSObject().removeItem(COSName.PATTERN); | |
| } | |
| document.save("files/1.pdf"); |
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Spire.pdf usually use a PDAbstractPattern to create a watermark, so If we delete the pattern, the watermark won't be rendered.