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[194.96.30.82]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4395a04f8c1sm165713955e9.8.2025.02.17.14.07.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Feb 2025 14:07:48 -0800 (PST) Message-ID: <1345af67-4fc3-4391-9037-0a754324e88a@gmail.com> Date: Mon, 17 Feb 2025 23:07:47 +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 On 2/17/25 22:22, Michael Sweet wrote: > Till, > >> On Feb 17, 2025, at 1:30 PM, Till Kamppeter wrote: >>> ... >>> 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? > > I don't think it is a well-known "license", however the terms match the Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0) license. > OK, thanks. Should be good enough for sample content, but I will also ask my colleagues. >> ... >> 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? > > I suspect you'll need to generate them. I think ImageMagick supports conversion to the format, so that might be a way towards that goal. The libjxl project also includes a cjxl utility that can convert PNG files to JXL, and libjxl also provides a Gimp plugin... > OK, so we will take some high-color-depth PNG or so to turn it into JXL ... Thank you very much. Till