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Status Future consideration
Workspace IBM i
Categories Print
Created by Guest
Created on Sep 24, 2020

Host Print Transform (HTP) to process PNG formatted graphical files

For a project a need to get a .png image into a PDF file (including some text) generated by Infoprint Server. The Infoprint Server is not documented to support .png images as this is only something that can be physically printed on an IPDS printer that has the support to print that type of image. Infoprint Server is not such a printer.

On the IBM i, Host Print Transform (HPT) only supports <bilevel B/W> TIFF, JPEG and GIF images. HPT does not support PNG images. If the AFPRSC keyword is used to include a PNG image (component ID 65) or PDF in the spooled file, the file must be printed to an IPDS printer (physical, not digital) that has support to print the image, or another transform, to print it.

Again, Infoprint Server does not have the capability to support a .png image via the AFPRSC DDS keyword.

Use Case:

Print lossless signatures on order agreements

Idea priority High
  • Guest
    Dec 15, 2020

    The CAAC has reviewed this requirement and recommends that IBM view this as a high priority requirement that is important to be addressed. .PNG is such a prevalent image type that the IBM i community does indeed need to have it in the HPT support with the AFPRSC PRTF keyword, similar to the .GIF support which has already been provided. Current work-around is for a .PNG to be converted to a .GIF.

    Background: The COMMON Americas Advisory Council (CAAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CAAC has a key role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community, and has therefore reviewed your RFE.

    For more information about CAAC, see

    For more details about CAAC's role with RFEs, see

    Nancy Uthke-Schmucki - CAAC Program Manager

  • Guest
    Nov 16, 2020

    We recognize the value of providing output support for this popular image format.

  • Guest
    Nov 11, 2020

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Print
    Operating system - IBM i
    Source - Other

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Languages - RPG
    Operating system - IBM i
    Source - Other

  • Guest
    Oct 22, 2020

    Tosh, I agree - this is an issue with printing that I have run into in our work, as well. General AFP support for PNG has been around for many years now, we need it in HPT on IBM i using the AFPRSC keyword - ah, that is the RPG connection, right?

    I also see that the TIFF transform does not handle PNGs - that is also needed. I'll see about putting in an RFE for that, but I hope it also makes it into consideration of this RFE.

  • Guest
    Sep 24, 2020

    Wonder if this is really an RPG enhancement?
    RPG will essentially use functions that HPT supports or otherwise IBM printing APIs expose.
    I really feel this RFE is mis-categorized.