Grooper Help - Version 25.0
25.0.0017 2,127
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PDF Burst Settings

Grooper Object Grooper.PDF

Defines options for extracting image resources from image-based PDF pages.

Remarks

A page is considered image-based if its visible content is defined by a single image. This includes "searchable" PDF pages, where non-visible text is overlaid with the image.

Bursting recovers the original image from which an image-based PDF page was constructed, pixel-for-pixel. In contrast to the process of rendering a PDF page, where the page content is drawn on a new image at a specific resolution, this process directly extracts the raw image resource with no alterations to pixel values or resolution. Lossy compression formats such as JPEG AND JPEG 2000 are extracted as raw byte streams, to avoid decompression and recompression during the bursting process.

Please note that JPG images using the CMYK color space are one exception to this rule. These images must be normalized to RGB, and thus require one cycle of decompression / recompression.

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