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Path: ...!feed.opticnetworks.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Paul Obermeier <obermeier@poSoft.de> Newsgroups: comp.lang.tcl Subject: Re: is there an image package that doesn't require Tk ? Date: Thu, 27 Jun 2024 20:36:06 +0200 Organization: A noiseless patient Spider Lines: 21 Message-ID: <v5kber$2rt5f$1@dont-email.me> References: <slrnv7r2cs.3gvbf.avl@logic.at> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 27 Jun 2024 20:36:12 +0200 (CEST) Injection-Info: dont-email.me; posting-host="00f313b339e9216e1b1b0c72b6627c10"; logging-data="3011759"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+v18aisVTr9VdfQvmpd/H1hX9QOjEc/C4=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:COQK27v1wmv9Aqhn+WgaCwUjaJw= In-Reply-To: <slrnv7r2cs.3gvbf.avl@logic.at> Bytes: 1731 You may look at tclgd (https://github.com/flightaware/tcl.gd). A working version is part of BAWT. Paul Am 27.06.2024 um 17:47 schrieb Andreas Leitgeb: > I'd like it to open a .png file (screenshot from an android > phone) extract five rectangular regions from it, and convert > them to something similar to Tk's [$image data] - e.g. a list > of lists of colors > > For now, I use "image photo" to scrape(simple ocr) some numbers > from it, but it only works with Tk. In the end I want to do > the processing of the image in the same cron-script that gets > the screenshot from the phone. > > If nothing else, I'd "convert" (from Imagemagick) the png to > something I can easier parse in Tcl. >