Add Text Watermark

ComPDFKit React Native SDK supports adding text watermarks through a UI dialog. You can configure default watermark styles (such as text, color, and font size) in CPDFConfiguration.

// Set default text watermark style in configuration
ComPDFKit.getDefaultConfig({
  global: {
    watermark: {
      types: ['text', 'image'],
      text: 'ComPDFKit-RN',
      textColor: '#000000',
      textSize: 36,
      rotation: -45,
      opacity: 255,
    }
  }
})

// Open the add watermark dialog via API
await pdfReaderRef.current?.showAddWatermarkView({
  types: ['text', 'image'],
  text: 'ComPDFKit RN',
  textColor: '#000000',
  textSize: 36,
  rotation: -45,
  opacity: 255,
});