Tcpdf setfont download. You signed out in another tab or window.

Tcpdf setfont download 全体の流れは以下の通りです。 Jan 1, 2005 · It appears that you are using AdBlocking software. Sep 18, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. otf, or . TCPDF Supports UTF-8, Unicode, RTL languages, XHTML, Javascript, digital signatures, barcodes and Aug 27, 2023 · © 2024 Slashdot Media. Embed Fonts in TCPDF. ex : hello should come in fruit and world should come in Mar 13, 2019 · Thanks for your reply. These are the top rated real world PHP examples of TCPDF::SetTitle extracted from open source projects. php將PDF_FONT_NAME_MAIN及PDF_FONT_NAME_DATA Nov 19, 2021 · PDF 파일을로 바로 출력 되도록 할때 유용한 라이브러리가 tcpdf 이다. So in your case, if you add a TTF font TCPDF should recognize when it is used and embed the font definition automatically. ttf, Siyamrupali May 23, 2011 · It appears that you are using AdBlocking software. Copy the TTF file(s) into this tools folder. Feb 21, 2014 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand TCPDF helper for laravel. This is the new version of the TCPDF library that will be deprecated once all the existing features are ported. You will use the PHP name file one. when i work on local server (OpenServer), its works ok. Feb 7, 2024 · 二、導入. To create self-signed signature: openssl req -x509 -nodes -days 365000 -newkey rsa:1024 -keyout tcpdf. Feb 17, 2023 · Adding custom fonts easier than ever. version 1. Once files are uploaded you can directly use setfont function of tcpdf. Asking for help, clarification, or responding to other answers. I think it's normal because in my OS Debian I don't have this font. Finally i set the font for the document text by calling setFont() method which takes the font May 31, 2016 · I want to get a PDF of an HTML file, I am using TCPDF to generate the PDF and AJAX to send the information. This page allows you to upload a TrueType font and get the generated files that are needed for FPDF. php dejavusansb Official clone of PHP library to generate PDF documents and barcodes - tecnickcom/TCPDF Mar 10, 2015 · Here are full steps (windows) how to use font awesome icons in PDF files rendered via TCPDF: get TrueType file FontAwesome. I tried to add some bangla font(i. In doing some investigation I found that the tcpdf library treats it's default fonts (referred to as "core" fonts) as Latin1 characters so even if you tell it to use UTF-8 encoding and set the unicode flag, it will literally translate your text to Latin1 equivalents prior to rendering. php file from the Nov 11, 2011 · I have successfully added the font Arial to TCPDF, however the filesize is large due to it embedding the font. Aug 13, 2013 · The addTTFfont method is now in the include/tcpdf_fonts. I would have thought Arial was a standard font on the vast majority of users machines, so is there a way of it working by using Arial if available, then Helvetica if not, then any sans-serif font as a backup? Go to the github repository of TCPDF and clone or download it. Parameters: I: send the file inline to the browser. php cid0jp. The characters are c Aug 3, 2021 · Just discovered this same situation when trying to render Romanian text using the default Helvetica font. Jul 17, 2021 · Custom fonts in TCPDF. In the case of a browser, the PDF viewer may be used or a download may be forced. ttf, SutonnyOMJ. php courier. But it's save on server where is my website folder. I got issue with display in Hindi language fonts in generated PDF. Jan 1, 2005 · It appears that you are using AdBlocking software. You signed out in another tab or window. The pdf is generated by inputing in a form and submitting it using ajax. Contribute to elibyy/tcpdf-laravel development by creating an account on GitHub. First I send some data in json format (jquery) then I would like to generate PDF with these data. To start using TCPDF, you need to download the library and include it in your project: composer require tecnickcom/tcpdf 2. Download required font's ttf file; Dec 22, 2023 · You signed in with another tab or window. SetFont SetFont(string family [, string style [, float size]]) Description Sets the font used to print character strings. You can rate examples to help us improve the quality of examples. I need to show the bangla font correctly. Jan 22, 2020 · Saved searches Use saved searches to filter your results more quickly SetFont() - This sets the font for the next chunk of text that you write. Support for Utf-8,unicode,html and XHTML. Extract all the files in the tcpdf folder ofyour project folder (htdocs/your-project-folder/ tcpdf). One of its main features is that it allows you to set the Y-coordinate of the current position on the PDF page, which is very useful when you need to place text or other elements at a specific location. php courieri. 8. Jul 21, 2017 · I am trying to generate a PDF using TCPDF on the fly and display it in the browser. Jun 1, 2017 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. This file needs to be compiled via TCPDF utility tcpdf_addfont. Could you tell me if I am right. rollbackTransaction() : TCPDF This method allows to undo the latest transaction by returning the latest saved TCPDF object with startTransaction(). I: send the file inline to the browser (default). Sep 25, 2014 · I have a PDF of a blank certificate, I want to fill in two lines when the user completes a course of study, and display the PDF so they can print or download it. tcpdfの読み込み May 13, 2014 · In the below code i am using two fonts fruit and fruit bold. Download required font's ttf file; TCPDF Set Font via CSS font-family. Rotate() : mixed Rotate object. Standard fonts use Windows encoding cp1252 (Western Europe). php のインストールされた場所を探すには Jan 1, 2005 · It appears that you are using AdBlocking software. Hot Network Questions Under epistemological pluralism, how can It appears that you are using AdBlocking software. php arialuni. io's REST API. 0. TCPDF will consider your filename as your fontname so make sure you have correct file names. TCPDF follows a similar font registration pattern to the previous two libraries. ; Put those 2 files at the folder /tcpdf/fonts. Jul 24, 2015 · I'm working to get exact positioning in tcpdf. The plug-in is used if available. g Logos, Slogans, Flyers, Visit Cards and Invoices. z file. While creating the pdf using tcpdf in php the Arabic charactors are displyaed as '????' marks. It appears that you are using AdBlocking software. Aug 26, 2019 · Download TCPDF Library zipped file from the Github repository. Jun 11, 2016 · I'm using the latest version of TCPDF, and found that I cannot set fonts with CSSfont-family when using the writeHtml method. As this is currently unstable, only the patch number in the version will be Started in 2002, TCPDF is now one of the world's most active Open Source projects, used daily by millions of users and included in thousands of CMS and Web applications. I am using TCPDF to write the two Oct 11, 2012 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand PHP library for generating PDF documents on-the-fly. It is mandatory to call this method at least once before printing text. First, copy the . open tcpdf example folder, than open example __001, after 31 number line anywhere just past this code. Terms Privacy Opt Out Advertise Privacy Opt Out Advertise I am using Tcpdf PHP library to generate PDF. ttf font file in tcpdf\tools\ In a terminal go to tcpdf\tools folder run the following code; php tcpdf_addfont. com. Installation. 1. tff) in to the tcpdf/fonts/ folder using the addTTfont method. download the ttl files of your font Description # Description. It will generate the php , ctg. 104 (2011-08-01)). We use it extensively, and the integration with mPDFi for template handling is superb. RoundedRect() : mixed Draws a rounded rectangle. You can do it in two ways - either in the command line, or directly in PHP code. The font can be either a standard one or a font added by the AddFont() method. Put your ttf font file; Name your font for fpdf or tcpdf use; Click convert and download converted files ! PHP TCPDF::setFooterFont - 30 examples found. Otherwise the attribute is simply ignored. Check the example Aug 11, 2024 · Released November 15, 2021, the TCPDF Fonts plugin allows for easily switching to the custom TCPDF font directory (dataroot/fonts) and maintaining custom TCPDF fonts. All the original binary TTF font files have been renamed for compatibility with TCPDF and compressed using the gzcompress PHP function that uses the ZLIB data format (. php courierb. TCPDF: How to add new custom font in tcpdf. ttf with fontforge but then tcpdf_addfont had problems converting with something missing in the font, I could use the font imported but the quality result was poor (like condensed), I had better results using this python snippet from fonttools Apr 17, 2020 · I have a multilingual tool. TCPDF is a PHP library for generating PDF documents. 用TCPDF產生PDF(上) 一、 安裝設定TCPDF. 5); If I want to embed the font as a subset only, I add the boolean “true” at the end of the series of arguments: $pdf->SetFont("oflgoudystmtt", "", 15. Table of Contents Send the document to a given destination: browser, file or string. These are the top rated real world PHP examples of TCPDF::setFontStretching extracted from open source projects. Aug 5, 2013 · Official clone of PHP library to generate PDF documents and barcodes - tecnickcom/TCPDF Imports a TrueType, Type1, core, or CID0 font and makes it available. crt -out tcpdf. This link opens the new tab a open and the download link shows but the file size does not show. The name given by name is used when one selects the "Save as" option on the link generating the PDF. 実装の概要. 上記の2つのライブラリを使用するので、先にインストールしておきます。 ※インストール方法については以下の記事を参照。 【TCPDF+FPDI】PHPで領収書PDFに文字を出力する方法. All Rights Reserved. jpg' as the background image, then : Font File Generation. txt to chinese Tcpdf is a PHP5 function package that is used to quickly generate PDF files. BasePDF class must set this constant accordingly. This maybe only relevant to this version and older, but HTML Attribute quotes must be double-quotes when written to a TCPDF Cell that supports HTML. Jul 22, 2014 · This is how i did it using TCPDF: First, use this website to generate your . . First text block is on x-y/5-5, and his font size is 5 to. php cid0ct. Aug 4, 2023 · Whether you need to generate simple invoices or complex reports, TCPDF has you covered. I downloaded the ZIP file containing all the needed NotoSans-*. Apr 14, 2024 · PHP is one of the most powerful server-side scripting languages available today. TCPDF Supports UTF-8, Unicode, RTL languages, XHTML, Javascript, digital signatures, barcodes and much more. Along with library files, you get a bunch of examples in the examples folder. 將tcpdf解壓放至模組的class下。 開啟config/tcpdf_config. Th Sep 19, 2017 · I'm currently using TCPDF to generate a resume in my web application. txt. /TCPDF/tcpdf. TCPDF project \TCPDF::SetFont() Tags. php'; Dec 13, 2024 · tcpdf_font_data. Thanks to the command line you can embed the conversion commands in some Continuous Delivery pipeline that builds your application. @param string :font Font name PHP TCPDF::SetTitle - 30 examples found. Right now, I am only trying to get a PDF of one SVG on the page, when I get this done I w Set the amount to increase or decrease the space between characters in a text. p12 To convert pfx certificate to pem: openssl pkcs12 -in tcpdf. Aug 4, 2010 · Funny you should mention that. If you like it please feel free to a small amount of money to secure the future of this website. The font can be either a standard one or a font added via the AddFont () method. Now I'm trying to apply the background color for the every page that is ใครเคยใช้ tcpdf บ้างค่ะ เซ็ตฟอนต์ให้เป็นภาษาไทยอย่างไร Dec 22, 2023 · Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink. Now, since a lot of users replied that they don't Oct 27, 2022 · Hi all, I’ve added the optional parameter MAIN_PDF_FORCE_FONT in my Dolibarr Setup to be able to set a different font for pdf creation due to turkish, chinese, japanese translations of quotations, etc. 9. Set header data. Returns a subset of the TrueType font data without the unused glyphs. Here make sure your path directory. Jun 9, 2014 · Now if you don't want to use freeserif, you can convert this font by tcpdf example by use this line. php dejavusans. Creating a Basic PDF. You will find the instruction and example in convert_fonts_examples. 이때 다양한 글꼴을 필요로 할때 글꼴 설정 방법을 적여 본다. I can create a PDF document and use it as the base for any form, and then just put the dynamic content ontop of the template. I need to save files to PC. php cid0cs. z files). require_once '. I have already Output the PDF as a download Output the PDF inline without any HTML. Apr 10, 2019 · TCPDF will just automatically embed fonts you've added on its own. class MYPDF extends Jan 1, 2005 · It appears that you are using AdBlocking software. ttf. I have extracted in htdocs/mypdf/tcpdf. Step 1 - Import a TCPDF library in your project: Apr 30, 2014 · TCPDF: How to set FONT SIZE in right way. Adding new fonts in TCPDF. May 23, 2019 · I had a similar problem with a font to support Chinese, apparently TCPDF doesn't support OpenType formats that use CFF data, I tried to convert the font to . The only way that the font is set is if I use SetFont, but that won't work out nicely for me as the document needs to have multiple fonts and the template is created using one HTML view file. PHP class for PDF. I'm trying to use SetMargins() in multiple places, but I must be misunderstanding the usage of this method. This library is mainly intended to be used and included in other PHP projects using Composer. Notice and enter to the tools folder. e. Apr 22, 2015 · I want to set some text-blocks by TCPDF. php courierbi. php file in the TCPDF_FONTS class. Get a reference font size. z file and upload it into tcpdf's fonts folder. Hence the following will be needed to include a font after generating the font description files from the font placed in the fonts folder: You signed in with another tab or window. Features and Basic Usage 1. SolaimanLipi. Convert and add the selected TrueType or Type1 font to the fonts folder (that must be writeable). Than run this code. Here's that template file so Enable or disable default option for font subsetting. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. Apr 1, 2019 · Next, I used a website for convert my font on tcpdf files (. You will get all your desire file. These files can be also generated on the fly using the font utilities and TCPDF methods. NOTE: The first complete (stable) version will be 8. As I have mentioned in my UPDATE I downloaded fonts folder from original library which is working fine with these fonts and copied and replaced with them as a whole folder. I am using TCPDF 6. Nov 19, 2024 · TCPDFを実装しよう！ TCPDF実装の基本的な流れは、tcpdf. Once the files are generated, we can remove the tff file from the fonts folder. I’ve decided to use the NotoSans TTF fonts. ttf, . /certbg/cs. Dec 13, 2024 · It appears that you are using AdBlocking software. 在 PHP 中將剛剛下載的 tcpdf 專案匯入至文件中，其中 tcpdf. TCPDF::SetFont ( $family, $style = '', $size = null, $fontfile = '', $subset = 'default', $out = true ) Sets the font used to print character strings. Check the example You only have to create the font file once with TCPDF. If you like it please feel free to a Oct 29, 2015 · Download TCPDF - PHP class for PDF for free. But with the limited support for css have cornered me. I was already using the dejavu font, which is great for latin and other characters, but it doesn't contain CJK characters. ttf files then I downloaded the in dolibarr missing tcpdf_addfont. Feb 22, 2016 · when using TCPDF library you can make your class by inherit from TCPDF class: class MYPDF extends TCPDF { you can override the footer and header function as you like, and inside these functions you can set your font. php aefurat. Mar 11, 2011 · TCPDF: How to add new custom font in tcpdf. Dec 8, 2021 · Please use a custom header to set the background to your PDF, and then every page will have the background. But I have some problems with font size. z, . Returs the checksum of a TTF table. And did not download the file. Apr 25, 2014 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Started in 2002, TCPDF is now one of the world's most active Open Source projects, used daily by millions of users and included in thousands of CMS and Web applications. z , z files. php 在專案的的第一層. Contribute to fucyber/add-custom-font-to-tcpdf-html2pdf development by creating an account on GitHub. The issue is that I need to switch th This is what I found out in the documentation. phpをインクルードし、TCPDFをインスタンス化、そして、各種設定を行い、最後にアウトプットするという流れです。それでは、具体的な実装手順について詳しく解説します。 1. PHP TCPDF::setFontStretching - 3 examples found. pfx -out tcpdf. Now you should be able to use the font inside Html2Pdf. ttf Oct 24, 2017 · Once you converted the fonts download the . TCPDF generated PDF does not conform to PDF/A standart. php cid0kr. Since my PDF will contain some Chinese Character (Simplified and Traditional), I decide to use font name: cid0cs. But i want make use of both. In this article, I'll demonstrate how to create PDF files with third-party PHP PDF libraries like FPDF, TCPDF, DOMPDF, html2PDF and APITemplate. php from TCPDF PHP library 6. 5, "", "true"); The arguments are: family, style, size, font file, subset. TCPDF is a PHP library used for generating PDF documents. Apr 19, 2018 · tcpdf. . Jun 5, 2012 · copy that file into the fonts folder located at tcpdf/fonts; use $pdf->addTTFfont('C://wamp/www/projectname/path to . Tcpdf is extended and improved based on fpdf. The funct 概要EC-CUBE4のプラグインを開発する際、帳票をPDFで出力する機能を作り、TCPDFというライブラリで座標を使って描画する方法を学んだのでまとめました。この記事を読めば線、表、画像の描画と… Jan 30, 2023 · TCPDF ERROR: Could not include font definition file: angsanaupc Resolved ateya3d (@ateya3d) 1 year, 10 months ago Hello when i try to download any invoice after i change the font to any other font … So, what should I do to make TCPDF use the bolded Arial when I use SetFont 'B' ? Thanks! If you would like to refer to this comment somewhere else in this project, copy and paste the following link: The digital signature improve document authenticity and integrity and allows to enable extra features on PDF Reader. After run go to font folder. ตัวที่ใช้ในการแปลง ก็ติดมากับ source เวลาเรา download tcpdf/html2pdf มา (เรารู้แล้วว่า html2pdf ใช้ tcpdf เป็น core หลัก จากบทความนี้) ส่วนบทความนี้เรียกว่าเอา readme ที่เขาให้มา Nov 6, 2019 · \\TCPDF_FONTS::_getfontpath assumes the font path to be set via K_PATH_FONTS or falls back to the location of the TCPDF libarary location. I have been using an older version of TCPDF on a project (5. These are the top rated real world PHP examples of TCPDF::setFooterFont extracted from open source projects. Feb 15, 2015 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jun 26, 2018 · I use TCPDF for generate some PDF files and save it on PC. php ) and I copied this on my TCPDF fonts folder. Nicola Asuni - info@tecnick. Not every company uses the same font for everything. 1. フォントをダウンロードする以下のリンクを使って「meiryo… Feb 25, 2013 · The array isn't documented anywhere I could find, which is typical of TCPDF documentation. 3. rb #SetDefaultMonospacedFont(font) ⇒ Object Also known as: set_default_monospaced_font. Standard fonts use the Windows encoding cp1252 (Western Europe). but TCPDF contains some fonts if you want add new font you must download it and extract it in tcpdf/fonts/utils folder and use it by this way: TCPDF PHP class for generating PDF documents without requiring external extensions. RoundedRectXY() : mixed Draws a rounded rectangle. Dec 13, 2024 · lib/tcpdf. so when i use this whole page is coming in bold. It works great in several languages, Such as English, French, German and Spanish. 4+ Creating a custom module For this we will need to create our custom module to add the fonts we want to use. I'm fairly certain it's presumed that most all OS's have Times, Helvetica and Courier already available and therefore TCPDF does not embed them. Open the library folder (for example mine was: . It accepts . /vendor/tecnickcom/tcpdf). Hello friends in this video we are going to discuss how can we create pdf file from html data using TCPDF class in php. As it currently stands, this question is not a good fit for our Q&A format. ttf file', 'TrueTypeUnicode', '', 32); $pdf->SetFont('custom_font_name'); your custom font is ready to use. It doesn't seem to be working as I expect I'm using TCPDF class to generate PDF. php and . 0. In this blog, I am going to explain you step by step how you can use the TCPDF PHP library to create a PDF document. The cost of running this website is covered by advertisements. Oct 9, 2017 · Learn how to use custom fonts for your PDF using the PHP TCPDF library. Oct 23, 2014 · TCPDF Set Font via CSS font-family. Then add the converted php Files in the Folder TCPDF-master/fonts. PHP file and . This can be done, for example, with a separate PDF script. Defines the default monospaced font. All the PHP files on the fonts directory are subject to the general TCPDF license (GNU-LGPLv3), they do not contain any binary data but just a description of the general properties of a particular font. The pdf is created but here is the problem when it returns t Aug 27, 2016 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jun 21, 2016 · I tested your code, since I had problems printing Japanese characters, and the result was the same on my website too. D: send to the browser and force a file download with the name given by name. I used this example that provided by them and then changed the cache/utf8test. You switched accounts on another tab or window. Jan 11, 2024 · TCPDFはPDF（帳票）を生成するための無料PHPライブラリです。TCPDFにフォントを追加する方法を紹介したいと思います。1. Try Teams for free Explore Teams TCPDF examples. 20, PHP 5. However, since some production environments dictates the installation of any application as RPM or DEB packages, this library includes make targets for building these packages (make rpm and make deb). Nov 29, 2015 · When I click on the link where TCPDF api is used. php: 48 Tags class. ttf"); use the fontname when you need it Sep 22, 2019 · The Goudy font is now available to TCPDF like any other file: $pdf->SetFont("oflgoudystmtt", "", 15. Sep 16, 2017 · Hi, please help me how to add a custom font in TCPFD Laravel thanks. Jan 3, 2015 · TCPDF Set Font via CSS font-family. The font can be either a standard one or a font added via the AddFont() method. This is my new video in PHP Advance Video tutorial series. setFooterData is a function in TCPDF that sets the content of the PDF footer. TCPDF source code documentation. zip files. For example, if you want to use '. Extract a slice of the $uniarr array and return it as string. I have all things like fonts characters standards etc. The PDF viewer is used if available. 16. Font-size in TCPDF is not in 3 days ago · Sets the font used to print character strings. I'm trying to add support for Simplified Chinese. Provide details and share your research! But avoid …. php -b -t TrueTypeUnicode -i arial. properly but my generated PDF I wanna create an Arabic pdf as same as the file witch I had in ms Execl format. Ask Question // Set font // dejavusans is a UTF-8 Unicode font, if you only need to Download and Add new Fonts (arialuni. Jan 25, 2016 · Check the TCPDF tools folder, there is a script for adding font. Reload to refresh your session. TCPDF_FONT_DATA Unicode data and encoding maps for TCPDF. Set the height of the cell (line height) respect the font height. 3. public since 1. 0 Feb 22, 2012 · I am facing a problem with generating pdf in php by using TCPDF library. php supplied along with TCPDF. Base with the library tcpdf_addfont. Mar 16, 2022 · Download the FPDI tool from setasign. Usually, there are fonts for every single thing that requires characters in something e. Aug 28, 2012 · use TCPDF's addTTFfont and send as parameter a TTF (possibly another type too): $font = $this->addTTFfont("filename. Jul 3, 2020 · Install / download / require the tcpdf library into your project. crt To export crt to p12: openssl pkcs12 -export -in tcpdf. Cannot add font with Html2pdf / TCPDF (PHP) Hot Network Questions Why are the walls of a I am using Yii Framework, TCPDF and jQuery to generate a pdf. Contribute to 25th-floor/FPDI development by creating an account on GitHub. Hide child comments as well FDPI clone. Oct 9, 2018 · I am using tcpdf to create a pdf, but it cant show chinese character, instead it just show square box. Custom Fonts in DomPDF. 001 author. Scale() : mixed Vertical and horizontal non-proportional Scaling. Here’s a simple example of how to create a PDF document using TCPDF: Aug 14, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand aealarabiya. Cannot add font with Html2pdf / TCPDF (PHP) Hot Network Questions Degree Bounds in Adding custom font to html2pdf & TCPDF. TCPDF_FONTS Font methods for TCPDF library. But after generated my PDF my font is not visible on the PDF. I should note that larger sizes may not fit like you expect, so you can set the content container's top margin to allow more space for a different sized header, like this: Aug 17, 2022 · PHP TCPDF Output does not work, Cant Download PDF, No Errors are displayed. crt -nodes 3 days ago · Sets the font used to print character strings. It is important to know the exact path of the original ttf and, if necessary, to place it in the appropriate folder on the server. The problem is the font. But it is samaller then 5. It can be used to add information such as the page number, date and time, or custom text. May 27, 2010 · I have to 2nd the recommendation for mPDF. gkae orcgbsn cyllc mlfa fnxr wzfl pjfazy anafta ejvdwg evk