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[194.96.30.82]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dece28808fsm7439448a12.75.2025.02.17.10.30.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Feb 2025 10:30:35 -0800 (PST) Message-ID: Date: Mon, 17 Feb 2025 19:30:34 +0100 Precedence: bulk X-Mailing-List: printing-architecture@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Free-/Open-Source-licensed JPG, JPG-XL, PNG, TIFF, PDF, PostScript files for print filter and OCR CI testing To: Michael Sweet Cc: OpenPrinting , UDDHAV PHATAK 22BCE10731 , Titiksha Bansal References: <4c111a8a-caed-4539-a9eb-96de0988bfd1@gmail.com> Content-Language: en-US From: Till Kamppeter In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Thank you very much for your detailed reply. On 2/17/25 17:40, Michael Sweet wrote: > Till, > > The CUPS and PAPPL sources already have many of these test files provided under the Apache 2.0 license. > > WRT the (legacy) PWG Raster sample files, these are companions to PWG 5102.4-2012 and are provided under the same terms as the standard itself: > > Copyright © 2011-2012 The Printer Working Group. All rights reserved. > > This document may be copied and furnished to others, and derivative works that comment > on, or otherwise explain it or assist in its implementation may be prepared, copied, > published and distributed, in whole or in part, without restriction of any kind, provided that > the above copyright notice, this paragraph and the title of the Document as referenced > below are included on all such copies and derivative works. However, this document itself > may not be modified in any way, such as by removing the copyright notice or references > to the IEEE-ISTO and the Printer Working Group, a program of the IEEE-ISTO. > Is this a well-known free software/document license? And if yes, which one? > There used to be a script in the ippsample project's "scripts" directory for creating a set of test files at a specific resolution, but since the self-certification tools no longer depend on these files (ipptool can generate PWG raster test content) I stopped maintaining it. > > The libcups project includes the ipptransform tool, which can generate PDF, PWG Raster, Apple Raster, and PCL content at different resolutions from PNG, JPEG, PDF, and text input, and I can certainly revive that sample file script. Could you please do so? > I'm also happy to contribute sample images towards building up a repository of test files/templates that can be used for this testing. > Could you also do so, too? > For the purposes of testing: > > - Media sizes: US Letter, US Legal, US Tabloid, US #10 envelope, 4x6 ("4R") photo, ISO A6, ISO A4, ISO A3, ISO DL envelope, Japanese Hagaki (postcard), JIS B5, Japanese Kakugata 7 envelope, Chinese 16k, and Chinese #3 envelope with a mix of portrait/landscape content as appropriate > - Content: Text, photos, graphics (graphs, drawings, etc.), barcodes (1D and 2D), color and gray scale charts; multi-page content for duplex/N-up testing > - Resolutions: 180, 203, 300, 360, 360x180, 600, 720, 1200, and 1440 > - Color spaces: sGray, sRGB, AdobeRGB, Display P3 (RGB), Device (K, RGB, CMYK) with attached ICC profile (when applicable) > - Bit depths: 1-bit black, 8-bit for all, 16-bit for AdobeRGB, Display P3, and device color spaces > - Labeling: Copyright and license text and URL/QRCode on each page/image > - Fonts (PDF): Simple and composite fonts (for Unicode text), text content in the various languages we support. > OK, great. As JPEX-XL is a format which I am newly adding to the filters, how and where could I obtain free sample images for that format? Till