{"id":6565,"date":"2024-02-19T11:47:55","date_gmt":"2024-02-19T11:47:55","guid":{"rendered":"https:\/\/csiag.eu\/?p=6565"},"modified":"2024-02-21T10:18:15","modified_gmt":"2024-02-21T10:18:15","slug":"qr-kod-generalasa","status":"publish","type":"post","link":"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/","title":{"rendered":"QR-k\u00f3d gener\u00e1l\u00e1sa"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tartalomjegyz\u00e9k<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#Grundlagen\" >Alapok<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#Fehlerkorrektur\" >Hibajav\u00edt\u00e1s<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#Bildformate\" >K\u00e9pform\u00e1tumok<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#GIF\" >GIF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#BMP\" >BMP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#JPGJPEG\" >JPG\/JPEG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#PNG\" >PNG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#SVG\" >SVG<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_MS_Windows\" >... MS Windows alatt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_Mac_OS\" >... Mac OS alatt<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Olvas\u00e1si id\u0151<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">percek<\/span><\/span>\n<p>A QR-k\u00f3d gener\u00e1l\u00e1sa mindazok sz\u00e1m\u00e1ra \u00e9rdekes, akik p\u00e9ld\u00e1ul egy linket szeretn\u00e9nek megosztani egy weboldalon. Egy QR-k\u00f3d azonban m\u00e1s inform\u00e1ci\u00f3t is tartalmazhat.<\/p>\n\n\n\n<p>Lehet\u0151s\u00e9g van QR-k\u00f3dok online vagy offline gener\u00e1l\u00e1s\u00e1ra. Ez ut\u00f3bbi a legaj\u00e1nlottabb m\u00f3dszer, mivel \u00edgy nem ker\u00fclnek adatok harmadik f\u00e9l kez\u00e9be, \u00e9s \u00d6n marad a saj\u00e1t adatainak ura, valamint az online szolg\u00e1ltat\u00e1sok haszn\u00e1lat\u00e1hoz nincs sz\u00fcks\u00e9g regisztr\u00e1ci\u00f3ra stb.<\/p>\n\n\n\n<p>Ez\u00e9rt mindig helyben kell telep\u00edteni egy megfelel\u0151 programot, hogy biztons\u00e1gosan \u00e9s harmadik f\u00e9l bevon\u00e1sa n\u00e9lk\u00fcl lehessen QR-k\u00f3dokat gener\u00e1lni.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grundlagen\"><\/span>Alapok<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fehlerkorrektur\"><\/span>Hibajav\u00edt\u00e1s<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A QR-k\u00f3dok nemcsak a felhaszn\u00e1l\u00f3-specifikus inform\u00e1ci\u00f3kat tartalmazz\u00e1k, hanem k\u00fcl\u00f6nb\u00f6z\u0151 fokozat\u00fa hibajav\u00edt\u00f3 mechanizmusokat is (7 .. 30%). Ez azt jelenti, hogy a k\u00f3dk\u00e9p ak\u00e1r 30%-ig olvashatatlan, karcos vagy m\u00e1s m\u00f3don felismerhetetlenn\u00e9 v\u00e1lhat, de az inform\u00e1ci\u00f3 tov\u00e1bbra is teljesen olvashat\u00f3 marad.<br>Ez\u00e9rt mindig a legmagasabb korrekci\u00f3s szintet kell v\u00e1lasztania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bildformate\"><\/span>K\u00e9pform\u00e1tumok<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A k\u00fcl\u00f6nb\u00f6z\u0151 k\u00e9pform\u00e1tumok az alkalmaz\u00e1sok sz\u00e9les k\u00f6r\u00e9t fedik le. Az, hogy melyik form\u00e1tumot kell el\u0151nyben r\u00e9szes\u00edteni, t\u00f6bbek k\u00f6z\u00f6tt a k\u00edv\u00e1nt adatmennyis\u00e9gt\u0151l vagy a lehets\u00e9ges sk\u00e1l\u00e1zhat\u00f3s\u00e1gt\u00f3l f\u00fcgg. A pixelform\u00e1tumok 1, 4, 8 vagy 24 bit\/pixel k\u00f6z\u00f6tt mozognak. A 4 bites form\u00e1tum a legt\u00f6bb alkalmaz\u00e1shoz elegend\u0151.<\/p>\n\n\n\n<p>Ha t\u00f6bbet szeretne megtudni a k\u00e9pform\u00e1tumokr\u00f3l, k\u00e9rj\u00fck, olvassa el ezt a r\u00e9szt a v\u00e9g\u00e9ig, ha csak QR-k\u00f3dokat szeretne gener\u00e1lni, g\u00f6rgessen lefel\u00e9 a program bet\u00f6lt\u00e9s\u00e9hez, az oper\u00e1ci\u00f3s rendszert\u0151l f\u00fcgg\u0151en.<\/p>\n\n\n\n<p>A teljess\u00e9g kedv\u00e9\u00e9rt, \u00e9s mivel a QR-k\u00f3dok sz\u00ednesben is gener\u00e1lhat\u00f3k, a k\u00fcl\u00f6nb\u00f6z\u0151 form\u00e1tumokat itt r\u00e9szletesebben ismertetj\u00fck:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GIF\"><\/span>GIF<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>GIF (Graphics Interchange Format) - legfeljebb 256 sz\u00ednt jelen\u00edt meg 8 bites RGB sz\u00ednm\u00e9lys\u00e9ggel, \u00e9s vesztes\u00e9gmentes t\u00f6m\u00f6r\u00edt\u00e9st k\u00edn\u00e1l.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BMP\"><\/span>BMP<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>BMP (BitMaP) - t\u00e1mogatja a 256 bites RGB-t \u00e9s t\u00f6m\u00f6r\u00edt\u00e9s n\u00e9lk\u00fcl t\u00f6bb mint 16 milli\u00f3 sz\u00ednt jelen\u00edt meg. A nagyobb k\u00e9pek nagy adatmennyis\u00e9ggel rendelkeznek, ez\u00e9rt a BMP form\u00e1tumot csak kisebb grafik\u00e1khoz, szimb\u00f3lumokhoz stb. haszn\u00e1lj\u00e1k.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JPGJPEG\"><\/span>JPG\/JPEG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>JPG\/JPEG (Joint Photographic Experts Group) - a grafikai \u00e1gazatban leggyakrabban haszn\u00e1lt form\u00e1tum, amely t\u00f6bb mint 16 milli\u00f3 sz\u00ednt jelen\u00edt meg. A 0 ... 100 %-ig sk\u00e1l\u00e1zhat\u00f3 t\u00f6m\u00f6r\u00edt\u00e9snek k\u00f6sz\u00f6nhet\u0151en a min\u0151s\u00e9g \u00e9s a f\u00e1jlm\u00e9ret szab\u00e1lyozhat\u00f3.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PNG\"><\/span>PNG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>PNG (Portable Network Graphics) - 256 sz\u00ednt jelen\u00edt meg PNG-8 form\u00e1tumban, ami 8 bites RGB sz\u00ednm\u00e9lys\u00e9gnek felel meg, \u00e9s t\u00f6bb mint 16 milli\u00f3 sz\u00ednt PNG-24 form\u00e1tumban, ami 256 bites RGB sz\u00ednm\u00e9lys\u00e9gnek felel meg. A t\u00f6m\u00f6r\u00edt\u00e9s vesztes\u00e9gmentes, de nagyobb f\u00e1jlokat eredm\u00e9nyez, mint a GIF form\u00e1tum, de egyes\u00edti a JPG\/JPEG \u00e9s a GIF form\u00e1tum el\u0151nyeit.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SVG\"><\/span>SVG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>SVG (Scalable Vector Graphics) - t\u00e1mogatja a 256 bites RGB-t \u00e9s t\u00f6bb mint 16 milli\u00f3 sz\u00ednt jelen\u00edt meg t\u00f6m\u00f6r\u00edt\u00e9s n\u00e9lk\u00fcl, lehet\u0151v\u00e9 teszi a vesztes\u00e9gmentes sk\u00e1l\u00e1z\u00e1st, \u00e9s sz\u00e1mos, a grafikai \u00e1gazatban el\u0151ny\u00f6s funkci\u00f3t k\u00edn\u00e1l, mint p\u00e9ld\u00e1ul az \u00e1rny\u00e9kk\u00e9pz\u00e9s stb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_MS_Windows\"><\/span>... MS Windows alatt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ha egy k\u00f6nnyen haszn\u00e1lhat\u00f3 QR-gener\u00e1tort keres, \u00e9s nem szeretne semmilyen speci\u00e1lis Java-szoftvert telep\u00edteni, akkor az ingyenes <em><a href=\"https:\/\/fmcoders.com\/qr-code-generator\/\" target=\"_blank\" rel=\"noreferrer noopener\">Egyszer\u0171 QR-k\u00f3d gener\u00e1tor<\/a> <\/em>j\u00f3l szolg\u00e1lj\u00e1k az fmcoders. Ez \u00e1ll <a href=\"https:\/\/fmcoders.com\/products\/Easy-QR-Code-Generator-Setup.exe\" target=\"_blank\" rel=\"noreferrer noopener\">itt<\/a> let\u00f6lthet\u0151.<\/p>\n\n\n\n<p>A QR-k\u00f3dgener\u00e1tor m\u0171k\u00f6d\u00e9s\u00e9t az al\u00e1bbi weboldalon r\u00e9szletesen ismertetj\u00fck. Az SVG kiv\u00e9tel\u00e9vel az \u00f6sszes fent eml\u00edtett form\u00e1tumot t\u00e1mogatja.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_Mac_OS\"><\/span>... Mac OS alatt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>t\u00f6bb program van, egy nagyon sov\u00e1ny, de m\u00e9gis konfigur\u00e1lhat\u00f3 a legfontosabb param\u00e9terekben, ingyenes program a <em>KUAR<\/em> a  c\u00edmr\u0151l <a href=\"https:\/\/apps.apple.com\/us\/developer\/igor-savelev\/id1032535174\" target=\"_blank\" rel=\"noopener\">Igor Szavelev<\/a>amely let\u00f6lthet\u0151 az Apple App Store-b\u00f3l. A program a fent felsorolt \u00f6sszes form\u00e1tumot t\u00e1mogatja.<\/p>\n\n\n\n<p>A weboldalakon, nyomtatv\u00e1nyokon stb. haszn\u00e1lt QR-k\u00f3dokat PNG form\u00e1tumban kell haszn\u00e1lni; a nagy form\u00e1tum\u00fa nyomtatv\u00e1nyokon, p\u00e9ld\u00e1ul bannereken, plak\u00e1tokon stb. az SVG form\u00e1tum el\u0151ny\u00f6sebb.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"880\" src=\"https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-1024x880.png\" alt=\"\" class=\"wp-image-6591\" style=\"width:637px;height:auto\" srcset=\"https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-1024x880.png 1024w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-14x12.png 14w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-300x258.png 300w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-768x660.png 768w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1.png 1424w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>A legt\u00f6bb QR-k\u00f3d gener\u00e1tor p\u00e9ld\u00e1ja a k\u00f6vetkez\u0151 kezel\u00e9si m\u00f3dja <em>KUAR<\/em> magyar\u00e1zta:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A jobb oldali ter\u00fcleten a \"<em>\u00cdrja be az al\u00e1bbi sz\u00f6veget<\/em>\", p\u00e9ld\u00e1ul a QR-k\u00f3dk\u00e9nt gener\u00e1land\u00f3 link be\u00edr\u00e1s\u00e1val<\/li>\n\n\n\n<li>Balra azonnal megjelenik a k\u00f3dgrafika, amely b\u00e1rmely alkalmaz\u00e1sba beh\u00fazhat\u00f3.<\/li>\n\n\n\n<li>A m\u00e9ret a gombok seg\u00edts\u00e9g\u00e9vel \u00e1ll\u00edthat\u00f3 be <em>S, M<\/em> \u00e9s <em>L<\/em> v\u00e1ltozik.<\/li>\n\n\n\n<li>Ak\u00e1r a fekete grafika s<em>fekete feh\u00e9ren<\/em>, <em>feh\u00e9r a feket\u00e9n<\/em>, <em>fekete az \u00e1tl\u00e1tsz\u00f3ra<\/em> vagy <em>feh\u00e9r az \u00e1tl\u00e1tsz\u00f3ra<\/em> Az ok a k\u00f6z\u00e9ps\u0151 gombsor seg\u00edts\u00e9g\u00e9vel \u00e1ll\u00edthat\u00f3 be.<\/li>\n\n\n\n<li>A hibajav\u00edt\u00e1s balr\u00f3l jobbra haladva az als\u00f3 gombok seg\u00edts\u00e9g\u00e9vel egyre ink\u00e1bb meghat\u00e1rozhat\u00f3.<br>(<em>L<\/em> = alacsony,<em> H<\/em> = legnagyobb hibajav\u00edt\u00e1s)<\/li>\n\n\n\n<li>A be\u00edrt hivatkoz\u00e1s felett a <em>K\u00e9pform\u00e1tum<\/em> defini\u00e1lva, a grafika a <em>Cache<\/em> m\u00e1solva, a <em>Merevlemez<\/em> biztos\u00edtott vagy <em>t\u00f6r\u00f6lt<\/em> lesz.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Olvas\u00e1si id\u0151<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">percek<\/span><\/span>A QR-k\u00f3d gener\u00e1l\u00e1sa mindazok sz\u00e1m\u00e1ra \u00e9rdekes, akik p\u00e9ld\u00e1ul egy linket szeretn\u00e9nek megosztani egy weboldalon. Egy QR-k\u00f3d azonban m\u00e1s inform\u00e1ci\u00f3t is tartalmazhat. Lehet\u0151s\u00e9g van QR-k\u00f3dok gener\u00e1l\u00e1s\u00e1ra online, de offline is. Ez ut\u00f3bbi m\u00f3dszer az aj\u00e1nlottabb, mivel \u00edgy nem ker\u00fclnek adatok harmadik f\u00e9l kez\u00e9be, \u00e9s \u00d6n saj\u00e1t adatai felett is rendelkezik.&nbsp;<a href=\"https:\/\/csiag.eu\/hu\/blog\/2024\/02\/19\/qr-code-generieren\/\" rel=\"bookmark\">Olvass tov\u00e1bb \"<span class=\"screen-reader-text\">QR-k\u00f3d gener\u00e1l\u00e1sa<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[2039,2733,2734],"tags":[3034,3041,3029,3042,3043,3044,2078,3023,3047,3048,3028,3037,3027,3026,3046,3045,3038,3022,1270,3039,3040,3033,3020,3021,3030,3032,3024,2065],"class_list":["post-6565","post","type-post","status-publish","format-standard","hentry","category-internet","category-mac-os","category-windows","tag-banner","tag-bildformat","tag-bmp","tag-dateigroesse","tag-datenaufkommen","tag-datenmenge","tag-download","tag-easy-qr-code-generator","tag-fehler-korrektur","tag-fehlerkorrektur","tag-gif","tag-grafikbereich","tag-jpeg","tag-jpg","tag-kompression","tag-korrekturstufe","tag-kostenfrei","tag-kuar","tag-mac-os","tag-pixel","tag-pixelformat","tag-poster","tag-qr-code","tag-qr-codes","tag-rgb","tag-skalierbar","tag-svg","tag-windows"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/posts\/6565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/comments?post=6565"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/posts\/6565\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/media?parent=6565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/categories?post=6565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/hu\/wp-json\/wp\/v2\/tags?post=6565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}