watermark_unique

watermark_unique is a flutter package to add text and image watermarks on an image. You can customize the watermark's position, color, background color, and padding. Check on pub.dev: https://pub.dev/packages/watermark_unique

Documentation

Features

• Add text to image
• Add watermark to image
• Get result via File or Uint8List

Parameters for image that you can change

• Text
• Position by X
• Position by Y
• Text size
• Text color (withOpacity)
• Background text color (optional / withOpacity)
• Padding for text if background exist (optional)
• Quality of image with watermark
• Image format that you will use to compress

Usage

An example of how you can add text to an image (only IOS or Android):

final image = await watermarkPlugin.addTextWatermark(
  filePath: photo!.path, // image file path
  text: 'Test watermark text', // watermark text
  x: 500, // position by x
  y: 400, // position by y
  textSize: 250, // text size
  color: Colors.purpleAccent, // color of text
  backgroundTextColor: Colors.black.withOpacity(0.5), // color of background text (optional)
  quality: 100, // quality of image with watermark
  backgroundTextPaddingLeft: 12, // padding of background text (optional)
  backgroundTextPaddingTop: 12, // padding of background text (optional)
  backgroundTextPaddingRight: 12, // padding of background text (optional)
  backgroundTextPaddingBottom: 12, // padding of background text (optional)
  imageFormat: ImageFormat.jpeg, // image format that you will use to compress
);

An example of how you can add a watermark to an image (only IOS or Android):

final image = await watermarkPlugin.addImageWatermark(
  filePath: photo!.path, // image file path
  watermarkImagePath: watermark!.path, // watermark image file path
  x: 500, // position by x
  y: 400, // position by x
  quality: 100, // quality of image with watermark
  imageFormat: ImageFormat.jpeg, // image format that you will use to compress
  watermarkWidth: 300, // watermark image width
  watermarkHeight: 300,  // watermark image height
);

An example of how you can add text to an image and get results via Uint8List (IOS || Android || WEB):

final image = await watermarkPlugin.addTextWatermarkUint8List(
  filePath: photo!.path, // image file path
  text: 'Test watermark text', // watermark text
  x: 500, // position by x
  y: 400, // position by y
  textSize: 250, // text size
  color: Colors.purpleAccent, // color of text
  backgroundTextColor: Colors.black, // color of background text (optional)
  backgroundTextPaddingLeft: 12, // padding of background text (optional)
  backgroundTextPaddingTop: 12, // padding of background text (optional)
  backgroundTextPaddingRight: 12, // padding of background text (optional)
  backgroundTextPaddingBottom: 12, // padding of background text (optional)
);

An example of how you can add a watermark to an image and get results via Uint8List (IOS || Android || WEB):

final image = await watermarkPlugin.addImageWatermarkUint8List(
  filePath: photo!.path, // image file path
  watermarkImagePath: watermark!.path, // watermark image file path
  x: 500, // position by x
  y: 400, // position by x
  watermarkWidth: 300, // watermark image width
  watermarkHeight: 300,  // watermark image height
);

Example screenshots