{"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":"generovanie-kodu-qr","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/","title":{"rendered":"Generovanie k\u00f3du QR"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 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\">Obsah<\/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\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/#Grundlagen\" >Z\u00e1klady<\/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\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/#Fehlerkorrektur\" >Oprava ch\u00fdb<\/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\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/#Bildformate\" >Form\u00e1ty obr\u00e1zkov<\/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\/sk\/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\/sk\/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\/sk\/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\/sk\/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\/sk\/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\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_MS_Windows\" >... v syst\u00e9me MS Windows<\/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\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_Mac_OS\" >... v syst\u00e9me Mac OS<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010d\u00edtania<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">z\u00e1pisnice<\/span><\/span>\n<p class=\"wp-block-paragraph\">Generovanie k\u00f3du QR je zauj\u00edmav\u00e9 pre v\u0161etk\u00fdch, ktor\u00ed chc\u00fa zdie\u013ea\u0165 napr\u00edklad odkaz na webovej str\u00e1nke. QR k\u00f3d v\u0161ak m\u00f4\u017ee obsahova\u0165 aj in\u00e9 inform\u00e1cie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00f3dy QR je mo\u017en\u00e9 generova\u0165 online alebo offline. Druh\u00fd sp\u00f4sob je odpor\u00fa\u010danej\u0161\u00ed, preto\u017ee \u017eiadne \u00fadaje sa nedostan\u00fa do r\u00fak tret\u00edch str\u00e1n a vy zost\u00e1vate p\u00e1nom svojich \u00fadajov a na pou\u017e\u00edvanie online slu\u017eieb nie je potrebn\u00e1 \u017eiadna registr\u00e1cia at\u010f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preto by mal by\u0165 v\u017edy lok\u00e1lne nain\u0161talovan\u00fd vhodn\u00fd program, aby bolo mo\u017en\u00e9 generova\u0165 QR k\u00f3dy bezpe\u010dne a bez \u00fa\u010dasti tret\u00edch str\u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grundlagen\"><\/span>Z\u00e1klady<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>Oprava ch\u00fdb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00f3dy QR obsahuj\u00fa nielen inform\u00e1cie \u0161pecifick\u00e9 pre pou\u017e\u00edvate\u013ea, ale aj mechanizmy na opravu ch\u00fdb v r\u00f4znych stup\u0148och (7 .. 30%). To znamen\u00e1, \u017ee a\u017e 30% obrazu k\u00f3du m\u00f4\u017ee by\u0165 ne\u010ditate\u013en\u00e1, po\u0161kriaban\u00e1 alebo inak zne\u010ditate\u013en\u00e1, ale inform\u00e1cie zost\u00e1vaj\u00fa st\u00e1le plne \u010ditate\u013en\u00e9.<br>Preto by ste mali v\u017edy vybra\u0165 najvy\u0161\u0161iu \u00farove\u0148 korekcie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bildformate\"><\/span>Form\u00e1ty obr\u00e1zkov<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00f4zne form\u00e1ty obr\u00e1zkov pokr\u00fdvaj\u00fa \u0161irok\u00fa \u0161k\u00e1lu aplik\u00e1ci\u00ed. Ktor\u00fd form\u00e1t uprednostni\u0165, z\u00e1vis\u00ed okrem in\u00e9ho od po\u017eadovan\u00e9ho mno\u017estva \u00fadajov alebo mo\u017enej \u0161k\u00e1lovate\u013enosti. Pixelov\u00e9 form\u00e1ty sa pohybuj\u00fa od 1, 4, 8 alebo 24 bitov\/pixel. Na v\u00e4\u010d\u0161inu aplik\u00e1ci\u00ed posta\u010duje 4-bitov\u00fd form\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak sa chcete dozvedie\u0165 viac o form\u00e1toch obr\u00e1zkov, pre\u010d\u00edtajte si t\u00fato \u010das\u0165 a\u017e do konca, ak chcete iba generova\u0165 k\u00f3dy QR, prejdite ni\u017e\u0161ie a na\u010d\u00edtajte program v z\u00e1vislosti od opera\u010dn\u00e9ho syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pre \u00faplnos\u0165 a preto, \u017ee QR k\u00f3dy sa daj\u00fa generova\u0165 aj farebne, s\u00fa tu podrobnej\u0161ie op\u00edsan\u00e9 r\u00f4zne form\u00e1ty:<\/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 class=\"wp-block-paragraph\">GIF (Graphics Interchange Format) - zobrazuje a\u017e 256 farieb s 8-bitovou farebnou h\u013abkou RGB a pon\u00faka bezstratov\u00fa kompresiu.<\/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 class=\"wp-block-paragraph\">BMP (BitMaP) - podporuje 256-bitov\u00e9 RGB a zobrazuje viac ako 16 mili\u00f3nov farieb bez kompresie. V\u00e4\u010d\u0161ie obr\u00e1zky maj\u00fa ve\u013ek\u00fd objem d\u00e1t, preto sa form\u00e1t BMP pou\u017e\u00edva len na mal\u00fa grafiku, symboly at\u010f.<\/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 class=\"wp-block-paragraph\">JPG\/JPEG (Joint Photographic Experts Group) - je naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fd form\u00e1t v grafickom sektore a zobrazuje viac ako 16 mili\u00f3nov farieb. V\u010faka kompresii \u0161k\u00e1lovate\u013enej od 0 ... 100 % je mo\u017en\u00e9 kontrolova\u0165 kvalitu a ve\u013ekos\u0165 s\u00faboru.<\/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 class=\"wp-block-paragraph\">PNG (Portable Network Graphics) - zobrazuje 256 farieb vo form\u00e1te PNG-8, \u010do zodpoved\u00e1 8-bitovej farebnej h\u013abke RGB, a viac ako 16 mili\u00f3nov farieb vo form\u00e1te PNG-24, \u010do zodpoved\u00e1 256-bitovej farebnej h\u013abke RGB. Kompresia je bezstratov\u00e1, ale vytv\u00e1ra v\u00e4\u010d\u0161ie s\u00fabory ako form\u00e1t GIF, ale sp\u00e1ja v\u00fdhody form\u00e1tov JPG\/JPEG a GIF.<\/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 class=\"wp-block-paragraph\">SVG (Scalable Vector Graphics) - podporuje 256-bitov\u00e9 RGB a zobrazuje viac ako 16 mili\u00f3nov farieb bez kompresie, umo\u017e\u0148uje bezstratov\u00e9 \u0161k\u00e1lovanie a pon\u00faka r\u00f4zne funkcie, ktor\u00e9 s\u00fa v\u00fdhodn\u00e9 v oblasti grafiky, ako napr\u00edklad tvorba tie\u0148ov at\u010f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_MS_Windows\"><\/span>... v syst\u00e9me MS Windows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ak h\u013ead\u00e1te \u013eahko pou\u017eite\u013en\u00fd gener\u00e1tor QR a nechcete si in\u0161talova\u0165 \u017eiadny \u0161peci\u00e1lny softv\u00e9r Java, bezplatn\u00fd <em><a href=\"https:\/\/fmcoders.com\/qr-code-generator\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jednoduch\u00fd gener\u00e1tor k\u00f3dov QR<\/a> <\/em>dobre sl\u00fa\u017ei fmcoders. Stoj\u00ed <a href=\"https:\/\/fmcoders.com\/products\/Easy-QR-Code-Generator-Setup.exe\" target=\"_blank\" rel=\"noreferrer noopener\">tu<\/a> k dispoz\u00edcii na stiahnutie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Funkcia gener\u00e1tora QR k\u00f3dov je podrobnej\u0161ie op\u00edsan\u00e1 na webovej str\u00e1nke ni\u017e\u0161ie. S v\u00fdnimkou form\u00e1tu SVG podporuje v\u0161etky vy\u0161\u0161ie uveden\u00e9 form\u00e1ty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_Mac_OS\"><\/span>... v syst\u00e9me Mac OS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">existuje nieko\u013eko programov, ve\u013emi \u0161t\u00edhly, ale st\u00e1le konfigurovate\u013en\u00fd v najd\u00f4le\u017eitej\u0161\u00edch parametroch, vo\u013en\u00fd program je <em>KUAR<\/em> z adresy <a href=\"https:\/\/apps.apple.com\/us\/developer\/igor-savelev\/id1032535174\" target=\"_blank\" rel=\"noopener\">Igor Savelev<\/a>ktor\u00fa si m\u00f4\u017eete stiahnu\u0165 z obchodu Apple App Store. Program podporuje v\u0161etky uveden\u00e9 form\u00e1ty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00f3dy QR, ktor\u00e9 sa maj\u00fa pou\u017e\u00edva\u0165 na webov\u00fdch str\u00e1nkach, tla\u010dovin\u00e1ch at\u010f., by sa mali pou\u017e\u00edva\u0165 vo form\u00e1te PNG; na ve\u013ekoform\u00e1tov\u00fdch tla\u010dovin\u00e1ch, ako s\u00fa bannery, plag\u00e1ty at\u010f., je vhodnej\u0161\u00ed form\u00e1t SVG.<\/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 class=\"wp-block-paragraph\">Pr\u00edkladom v\u00e4\u010d\u0161iny gener\u00e1torov QR k\u00f3dov je spracovanie <em>KUAR<\/em> vysvetlil:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V pravej \u010dasti v \u010dasti \"<em>Zadajte text ni\u017e\u0161ie<\/em>\" sa napr\u00edklad zad\u00e1 odkaz, ktor\u00fd sa m\u00e1 vygenerova\u0165 ako QR k\u00f3d<\/li>\n\n\n\n<li>Na\u013eavo od neho sa okam\u017eite zobraz\u00ed grafick\u00fd k\u00f3d, ktor\u00fd m\u00f4\u017eete pretiahnu\u0165 do \u013eubovo\u013enej aplik\u00e1cie.<\/li>\n\n\n\n<li>Ve\u013ekos\u0165 m\u00f4\u017eete nastavi\u0165 pomocou tla\u010didiel <em>S, M<\/em> a <em>L<\/em> sa l\u00ed\u0161ia.<\/li>\n\n\n\n<li>\u010ci u\u017e je \u010dierna grafika s<em>\u010dierna na bielej<\/em>, <em>biela na \u010diernej<\/em>, <em>\u010dierna na prieh\u013eadnej<\/em> alebo <em>biela na prieh\u013eadnom podklade<\/em> d\u00f4vod mo\u017eno nastavi\u0165 pomocou stredn\u00e9ho radu tla\u010didiel.<\/li>\n\n\n\n<li>Korekcia ch\u00fdb sa definuje z\u013eava doprava pomocou doln\u00fdch tla\u010didiel<br>(<em>L<\/em> = n\u00edzka,<em> H<\/em> = najvy\u0161\u0161ia korekcia chyby)<\/li>\n\n\n\n<li>Nad zadan\u00fdm odkazom sa zobraz\u00ed <em>Form\u00e1t obr\u00e1zku<\/em> definovan\u00e9, grafika v <em>Cache<\/em> skop\u00edrovan\u00e9, na <em>Pevn\u00fd disk<\/em> zabezpe\u010den\u00e9 alebo <em>zru\u0161en\u00e9<\/em> sta\u0165 sa.<\/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\">\u010cas \u010d\u00edtania<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">z\u00e1pisnice<\/span><\/span>Generovanie k\u00f3du QR je zauj\u00edmav\u00e9 pre v\u0161etk\u00fdch, ktor\u00ed chc\u00fa zdie\u013ea\u0165 napr\u00edklad odkaz na webovej str\u00e1nke. QR k\u00f3d v\u0161ak m\u00f4\u017ee obsahova\u0165 aj in\u00e9 inform\u00e1cie. QR k\u00f3dy je mo\u017en\u00e9 generova\u0165 online, ale aj offline. Druh\u00fd sp\u00f4sob je odpor\u00fa\u010danej\u0161\u00ed, preto\u017ee \u017eiadne \u00fadaje sa nedostan\u00fa do r\u00fak tret\u00edch str\u00e1n a vy m\u00e1te kontrolu nad vlastn\u00fdmi \u00fadajmi.&nbsp;<a href=\"https:\/\/csiag.eu\/sk\/blog\/2024\/02\/19\/qr-code-generieren\/\" rel=\"bookmark\">\u010c\u00edta\u0165 viac \"<span class=\"screen-reader-text\">Generovanie k\u00f3du QR<\/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\/sk\/wp-json\/wp\/v2\/posts\/6565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/comments?post=6565"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/posts\/6565\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/media?parent=6565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/categories?post=6565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sk\/wp-json\/wp\/v2\/tags?post=6565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}