{"id":11936,"date":"2015-06-21T22:29:56","date_gmt":"2015-06-22T02:29:56","guid":{"rendered":"http:\/\/scruss.com\/blog\/?p=11936"},"modified":"2023-12-13T19:00:24","modified_gmt":"2023-12-14T00:00:24","slug":"just-in-case-you-were-needing-a-thermal-printer-test-image","status":"publish","type":"post","link":"https:\/\/scruss.com\/blog\/2015\/06\/21\/just-in-case-you-were-needing-a-thermal-printer-test-image\/","title":{"rendered":"Just in case you were needing a thermal printer test image \u2026"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"384\" height=\"288\" src=\"http:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2015\/06\/Thermal_Test_Image.png\" alt=\"Thermal Test Image\" class=\"wp-image-11937\" srcset=\"https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2015\/06\/Thermal_Test_Image.png 384w, https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2015\/06\/Thermal_Test_Image-160x120.png 160w, https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2015\/06\/Thermal_Test_Image-320x240.png 320w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/figure>\n\n\n\n<p>Here you go, then. It should print perfectly on an 58 mm thermal printer. It features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>12\u00bd% grey scales (clockwise, from right) \u2014 ordered, Hilbert (clump=5), Floyd-Steinberg, and halftone (4 pixel\/cell).<\/li>\n\n\n\n<li>Vertical and horizontal test lines.<\/li>\n\n\n\n<li>Classy woven background.<\/li>\n\n\n\n<li>Roughly 50% grey overall, so shouldn&#8217;t cause your printer too much grief.<\/li>\n\n\n\n<li>Entirely free of licence restrictions.<\/li>\n<\/ul>\n\n\n\n<p>very simple python image printer: <a href=\"https:\/\/gist.github.com\/scruss\/36c31a9b653779b2b7d1\">scruss\/esc-pos-image.py<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here you go, then. It should print perfectly on an 58 mm thermal printer. It features: very simple python image printer: scruss\/esc-pos-image.py<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[7],"tags":[922,2824],"class_list":["post-11936","post","type-post","status-publish","format-standard","hentry","category-computers-suck","tag-printer","tag-thermal"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pQNZZ-36w","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/11936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/comments?post=11936"}],"version-history":[{"count":3,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/11936\/revisions"}],"predecessor-version":[{"id":17485,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/11936\/revisions\/17485"}],"wp:attachment":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/media?parent=11936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/categories?post=11936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/tags?post=11936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}