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(v13) Example raster back ends to work with HVD


This page applies to Harlequin v13.1r0 and later; and to Harlequin Core but not Harlequin MultiRIP.

HVD in internal mode works with all Harlequin Core raster back ends. In external mode the raster back end needs to explicitly handle the eHVD handshake (except when using a diagnostic value of OptimizedPDFCacheID – see the API Reference Manual, “Restrictions” section).

For the Host Renderer there are two HVD external mode back-ends available:

HVDNONE

This has a /OptimizedPDFCacheID value of GG_HHR_HVDNONE_ERR2 . HVDNONE discards the raster data. It generates a raw file for each element, named <id>.raw, and an XML file containing the page and element info, named <job>.pages.xml. For more information on the format of raw files, see the /RAW PageBufferType.

HVDRAW

This has a /OptimizedPDFCacheID value of GG_HHR_HVDRAW_ERR2 . HVDRAW generates a raw file for each element, named <id>.raw, and an XML file containing the page and element info, named <job>.pages.xml.

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