feat(watermark): add image watermark support#76
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JhaSourav07 merged 1 commit intoMay 14, 2026
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Add image watermark support
Closes #75
What changed
pdf.service.js: extendedaddWatermarkto accept an optionalwatermarkImage(PNG or JPG). UsesembedPng/embedJpgwithpage.drawImage(). Rotation is handled by a privaterotateImageByteshelper that pre-bakes the angle onto a canvas before embedding, since pdf-lib has no native rotation parameter for images.Watermark.jsx: added a Text / Image mode toggle. Image mode shows a<Dropzone>for uploading the watermark image. Font size slider is replaced with a scale slider in image mode. Switching modes resets rotation to a sensible default (45° for text, 0° for image).Why
The tool only supported text watermarks. Image watermarks are essential for branding and corporate document security (logos, stamps, signatures).
How to test
Screenshots