Adding repeated watermarks Leave feedback
Repeated (tiled) watermarks let you cover entire pages with a pattern of text or images. You can control spacing, rotation, offsets, and choose different tiling templates by setting tile_options on the watermark.
The example below tiles a diagonal text watermark across the whole page. The line_spacing and watermark_spacing are expressed as a percentage of the page, and tile_type selects the tiling template.
from groupdocs.watermark import Watermarker
from groupdocs.watermark.watermarks import (
TextWatermark, Font, Color, TextAlignment,
TileOptions, TileType, MeasureValue, TileMeasureType,
)
def add_repeated_watermark():
with Watermarker("./sample.pdf") as watermarker:
watermark = TextWatermark("CONFIDENTIAL", Font("Arial", 19.0))
watermark.foreground_color = Color.gray
watermark.opacity = 0.3
watermark.rotate_angle = -45.0
watermark.text_alignment = TextAlignment.CENTER
# Spacing between lines and between repeated watermarks, as a percentage of the page
line_spacing = MeasureValue()
line_spacing.measure_type = TileMeasureType.PERCENT
line_spacing.value = 12.0
watermark_spacing = MeasureValue()
watermark_spacing.measure_type = TileMeasureType.PERCENT
watermark_spacing.value = 10.0
# Tile the watermark across the whole page
tile_options = TileOptions()
tile_options.tile_type = TileType.ONE_THIRD_OFFSET
tile_options.line_spacing = line_spacing
tile_options.watermark_spacing = watermark_spacing
watermark.tile_options = tile_options
watermarker.add(watermark)
watermarker.save("./output.pdf")
if __name__ == "__main__":
add_repeated_watermark()
sample.pdf is the sample file used in this example. Click here to download it.
Binary file (PDF, 401 KB)
You can replace the TextWatermark with an ImageWatermark to tile a logo or seal across the page in the same way — set the same tile_options on the image watermark.
Use case: Protect sensitive PDFs by overlaying a tiled “Confidential” text across every page, or reinforce branding by repeating a logo in the background.
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