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Developer Documentation
See Release Notes
Long Term Support Release
- Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
- Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
- PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/lib/tcpdf/include/ -> tcpdf_static.php (source)
Differences Between: [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]
(no description)
| Author: | Nicola Asuni |
| Version: | 1.1.2 |
| File Size: | 2616 lines (109 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
Defines 1 class
TCPDF_STATIC:: (60 methods):
getTCPDFVersion()
getTCPDFProducer()
set_mqr()
get_mqr()
isValidURL()
removeSHY()
getBorderMode()
empty_string()
getObjFilename()
_escape()
_escapeXML()
objclone()
sendOutputData()
replacePageNumAliases()
getTimestamp()
getFormattedDate()
getRandomSeed()
_md5_16()
_AES()
_AESnopad()
_RC4()
getUserPermissionCode()
convertHexStringToString()
convertStringToHexString()
getEncPermissionsString()
encodeNameObject()
getAnnotOptFromJSProp()
formatPageNumber()
formatTOCPageNumber()
extractCSSproperties()
fixHTMLCode()
isValidCSSSelectorForTag()
getCSSdataArray()
getTagStyleFromCSSarray()
intToRoman()
revstrpos()
getHyphenPatternsFromTEX()
getPathPaintOperator()
getTransformationMatrixProduct()
getSVGTransformMatrix()
getVectorsAngle()
pregSplit()
fopenLocal()
url_exists()
file_exists()
fileGetContents()
_getULONG()
_getUSHORT()
_getSHORT()
_getFWORD()
_getUFWORD()
_getFIXED()
_getBYTE()
rfread()
_freadint()
getPageSizeFromFormat()
setPageBoxes()
swapPageBoxCoordinates()
getPageLayoutMode()
getPageMode()
Class: TCPDF_STATIC - X-Ref
| getTCPDFVersion() X-Ref |
| Return the current TCPDF version. return: TCPDF version string |
| getTCPDFProducer() X-Ref |
| Return the current TCPDF producer. return: TCPDF producer string |
| set_mqr($mqr) X-Ref |
| Sets the current active configuration setting of magic_quotes_runtime (if the set_magic_quotes_runtime function exist) param: $mqr (boolean) FALSE for off, TRUE for on. |
| get_mqr() X-Ref |
| Gets the current active configuration setting of magic_quotes_runtime (if the get_magic_quotes_runtime function exist) return: Returns 0 if magic quotes runtime is off or get_magic_quotes_runtime doesn't exist, 1 otherwise. |
| isValidURL($url) X-Ref |
| Check if the URL exist. param: $url (string) URL to check. return: Boolean true if the URl exist, false otherwise. |
| removeSHY($txt='', $unicode=true) X-Ref |
| Removes SHY characters from text. Unicode Data:<ul> <li>Name : SOFT HYPHEN, commonly abbreviated as SHY</li> <li>HTML Entity (decimal): "&#173;"</li> <li>HTML Entity (hex): "&#xad;"</li> <li>HTML Entity (named): "&shy;"</li> <li>How to type in Microsoft Windows: [Alt +00AD] or [Alt 0173]</li> <li>UTF-8 (hex): 0xC2 0xAD (c2ad)</li> <li>UTF-8 character: chr(194).chr(173)</li> </ul> param: $txt (string) input string param: $unicode (boolean) True if we are in unicode mode, false otherwise. return: string without SHY characters. |
| getBorderMode($brd, $position='start', $opencell=true) X-Ref |
| Get the border mode accounting for multicell position (opens bottom side of multicell crossing pages) param: $brd (mixed) Indicates if borders must be drawn around the cell block. The value can be a number:<ul><li>0: no border (default)</li><li>1: frame</li></ul>or a string containing some or all of the following characters (in any order):<ul><li>L: left</li><li>T: top</li><li>R: right</li><li>B: bottom</li></ul> or an array of line styles for each border group: array('LTRB' => array('width' => 2, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0))) param: $position (string) multicell position: 'start', 'middle', 'end' param: $opencell (boolean) True when the cell is left open at the page bottom, false otherwise. return: border mode array |
| empty_string($str) X-Ref |
| Determine whether a string is empty. param: $str (string) string to be checked return: boolean true if string is empty |
| getObjFilename($type='tmp', $file_id='') X-Ref |
| Returns a temporary filename for caching object on filesystem. param: $type (string) Type of file (name of the subdir on the tcpdf cache folder). param: $file_id (string) TCPDF file_id. return: string filename. |
| _escape($s) X-Ref |
| Add "\" before "\", "(" and ")" param: $s (string) string to escape. return: string escaped string. |
| _escapeXML($str) X-Ref |
| Escape some special characters (< > &) for XML output. param: $str (string) Input string to convert. return: converted string |
| objclone($object) X-Ref |
| Creates a copy of a class object param: $object (object) class object to be cloned return: cloned object |
| sendOutputData($data, $length) X-Ref |
| Output input data and compress it if possible. param: $data (string) Data to output. param: $length (int) Data length in bytes. |
| replacePageNumAliases($page, $replace, $diff=0) X-Ref |
| Replace page number aliases with number. param: $page (string) Page content. param: $replace (array) Array of replacements (array keys are replacement strings, values are alias arrays). param: $diff (int) If passed, this will be set to the total char number difference between alias and replacements. return: replaced page content and updated $diff parameter as array. |
| getTimestamp($date) X-Ref |
| Returns timestamp in seconds from formatted date-time. param: $date (string) Formatted date-time. return: int seconds. |
| getFormattedDate($time) X-Ref |
| Returns a formatted date-time. param: $time (int) Time in seconds. return: string escaped date string. |
| getRandomSeed($seed='') X-Ref |
| Returns a string containing random data to be used as a seed for encryption methods. param: $seed (string) starting seed value author: Nicola Asuni return: string containing random data |
| _md5_16($str) X-Ref |
| Encrypts a string using MD5 and returns it's value as a binary string. param: $str (string) input string return: String MD5 encrypted binary string |
| _AES($key, $text) X-Ref |
| Returns the input text exrypted using AES algorithm and the specified key. This method requires openssl or mcrypt. Text is padded to 16bytes blocks param: $key (string) encryption key param: $text (String) input text to be encrypted author: Nicola Asuni return: String encrypted text |
| _AESnopad($key, $text) X-Ref |
| Returns the input text exrypted using AES algorithm and the specified key. This method requires openssl or mcrypt. Text is not padded param: $key (string) encryption key param: $text (String) input text to be encrypted author: Nicola Asuni return: String encrypted text |
| _RC4($key, $text, &$last_enc_key, &$last_enc_key_c) X-Ref |
| Returns the input text encrypted using RC4 algorithm and the specified key. RC4 is the standard encryption algorithm used in PDF format param: $key (string) Encryption key. param: $text (String) Input text to be encrypted. param: $last_enc_key (String) Reference to last RC4 key encrypted. param: $last_enc_key_c (String) Reference to last RC4 computed key. author: Klemen Vodopivec, Nicola Asuni return: String encrypted text |
| getUserPermissionCode($permissions, $mode=0) X-Ref |
| Return the permission code used on encryption (P value). param: $permissions (Array) the set of permissions (specify the ones you want to block). param: $mode (int) encryption strength: 0 = RC4 40 bit; 1 = RC4 128 bit; 2 = AES 128 bit; 3 = AES 256 bit. author: Nicola Asuni |
| convertHexStringToString($bs) X-Ref |
| Convert hexadecimal string to string param: $bs (string) byte-string to convert author: Nicola Asuni return: String |
| convertStringToHexString($s) X-Ref |
| Convert string to hexadecimal string (byte string) param: $s (string) string to convert author: Nicola Asuni return: byte string |
| getEncPermissionsString($protection) X-Ref |
| Convert encryption P value to a string of bytes, low-order byte first. param: $protection (string) 32bit encryption permission value (P value) author: Nicola Asuni return: String |
| encodeNameObject($name) X-Ref |
| Encode a name object. param: $name (string) Name object to encode. author: Nicola Asuni return: (string) Encoded name object. |
| getAnnotOptFromJSProp($prop, &$spot_colors, $rtl=false) X-Ref |
| Convert JavaScript form fields properties array to Annotation Properties array. param: $prop (array) javascript field properties. Possible values are described on official Javascript for Acrobat API reference. param: $spot_colors (array) Reference to spot colors array. param: $rtl (boolean) True if in Right-To-Left text direction mode, false otherwise. author: Nicola Asuni return: array of annotation properties |
| formatPageNumber($num) X-Ref |
| Format the page numbers. This method can be overriden for custom formats. param: $num (int) page number |
| formatTOCPageNumber($num) X-Ref |
| Format the page numbers on the Table Of Content. This method can be overriden for custom formats. param: $num (int) page number |
| extractCSSproperties($cssdata) X-Ref |
| Extracts the CSS properties from a CSS string. param: $cssdata (string) string containing CSS definitions. author: Nicola Asuni return: An array where the keys are the CSS selectors and the values are the CSS properties. |
| fixHTMLCode($html, $default_css='', $tagvs='', $tidy_options='', &$tagvspaces) X-Ref |
| Cleanup HTML code (requires HTML Tidy library). param: $html (string) htmlcode to fix param: $default_css (string) CSS commands to add param: $tagvs (array) parameters for setHtmlVSpace method param: $tidy_options (array) options for tidy_parse_string function param: $tagvspaces (array) Array of vertical spaces for tags. author: Nicola Asuni return: string XHTML code cleaned up |
| isValidCSSSelectorForTag($dom, $key, $selector) X-Ref |
| Returns true if the CSS selector is valid for the selected HTML tag param: $dom (array) array of HTML tags and properties param: $key (int) key of the current HTML tag param: $selector (string) CSS selector string return: true if the selector is valid, false otherwise |
| getCSSdataArray($dom, $key, $css) X-Ref |
| Returns the styles array that apply for the selected HTML tag. param: $dom (array) array of HTML tags and properties param: $key (int) key of the current HTML tag param: $css (array) array of CSS properties return: array containing CSS properties |
| getTagStyleFromCSSarray($css) X-Ref |
| Compact CSS data array into single string. param: $css (array) array of CSS properties return: string containing merged CSS properties |
| intToRoman($number) X-Ref |
| Returns the Roman representation of an integer number param: $number (int) number to convert return: string roman representation of the specified number |
| revstrpos($haystack, $needle, $offset = 0) X-Ref |
| Find position of last occurrence of a substring in a string param: $haystack (string) The string to search in. param: $needle (string) substring to search. param: $offset (int) May be specified to begin searching an arbitrary number of characters into the string. return: Returns the position where the needle exists. Returns FALSE if the needle was not found. |
| getHyphenPatternsFromTEX($file) X-Ref |
| Returns an array of hyphenation patterns. param: $file (string) TEX file containing hypenation patterns. TEX pattrns can be downloaded from http://www.ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/ author: Nicola Asuni return: array of hyphenation patterns |
| getPathPaintOperator($style, $default='S') X-Ref |
| Get the Path-Painting Operators. param: $style (string) Style of rendering. Possible values are: param: $default (string) default style author: Nicola Asuni |
| getTransformationMatrixProduct($ta, $tb) X-Ref |
| Get the product of two SVG tranformation matrices param: $ta (array) first SVG tranformation matrix param: $tb (array) second SVG tranformation matrix author: Nicola Asuni return: transformation array |
| getSVGTransformMatrix($attribute) X-Ref |
| Get the tranformation matrix from SVG transform attribute param: $attribute (string) transformation author: Nicola Asuni return: array of transformations |
| getVectorsAngle($x1, $y1, $x2, $y2) X-Ref |
| Returns the angle in radiants between two vectors param: $x1 (int) X coordinate of first vector point param: $y1 (int) Y coordinate of first vector point param: $x2 (int) X coordinate of second vector point param: $y2 (int) Y coordinate of second vector point author: Nicola Asuni |
| pregSplit($pattern, $modifiers, $subject, $limit=NULL, $flags=NULL) X-Ref |
| Split string by a regular expression. This is a wrapper for the preg_split function to avoid the bug: https://bugs.php.net/bug.php?id=45850 param: $pattern (string) The regular expression pattern to search for without the modifiers, as a string. param: $modifiers (string) The modifiers part of the pattern, param: $subject (string) The input string. param: $limit (int) If specified, then only substrings up to limit are returned with the rest of the string being placed in the last substring. A limit of -1, 0 or NULL means "no limit" and, as is standard across PHP, you can use NULL to skip to the flags parameter. param: $flags (int) The flags as specified on the preg_split PHP function. author: Nicola Asuni return: Returns an array containing substrings of subject split along boundaries matched by pattern.modifier |
| fopenLocal($filename, $mode) X-Ref |
| Wrapper to use fopen only with local files param: filename (string) Name of the file to open param: $mode (string) return: Returns a file pointer resource on success, or FALSE on error. |
| url_exists($url) X-Ref |
| Check if the URL exist. param: url (string) URL to check. return: Returns TRUE if the URL exists; FALSE otherwise. |
| file_exists($filename) X-Ref |
| Wrapper for file_exists. Checks whether a file or directory exists. Only allows some protocols and local files. param: filename (string) Path to the file or directory. return: Returns TRUE if the file or directory specified by filename exists; FALSE otherwise. |
| fileGetContents($file) X-Ref |
| Reads entire file into a string. The file can be also an URL. param: $file (string) Name of the file or URL to read. author: Nicola Asuni return: The function returns the read data or FALSE on failure. |
| _getULONG($str, $offset) X-Ref |
| Get ULONG from string (Big Endian 32-bit unsigned integer). param: $str (string) string from where to extract value param: $offset (int) point from where to read the data author: Nicola Asuni return: int 32 bit value |
| _getUSHORT($str, $offset) X-Ref |
| Get USHORT from string (Big Endian 16-bit unsigned integer). param: $str (string) string from where to extract value param: $offset (int) point from where to read the data author: Nicola Asuni return: int 16 bit value |
| _getSHORT($str, $offset) X-Ref |
| Get SHORT from string (Big Endian 16-bit signed integer). param: $str (string) String from where to extract value. param: $offset (int) Point from where to read the data. author: Nicola Asuni return: int 16 bit value |
| _getFWORD($str, $offset) X-Ref |
| Get FWORD from string (Big Endian 16-bit signed integer). param: $str (string) String from where to extract value. param: $offset (int) Point from where to read the data. author: Nicola Asuni return: int 16 bit value |
| _getUFWORD($str, $offset) X-Ref |
| Get UFWORD from string (Big Endian 16-bit unsigned integer). param: $str (string) string from where to extract value param: $offset (int) point from where to read the data author: Nicola Asuni return: int 16 bit value |
| _getFIXED($str, $offset) X-Ref |
| Get FIXED from string (32-bit signed fixed-point number (16.16). param: $str (string) string from where to extract value param: $offset (int) point from where to read the data author: Nicola Asuni return: int 16 bit value |
| _getBYTE($str, $offset) X-Ref |
| Get BYTE from string (8-bit unsigned integer). param: $str (string) String from where to extract value. param: $offset (int) Point from where to read the data. author: Nicola Asuni return: int 8 bit value |
| rfread($handle, $length) X-Ref |
| Binary-safe and URL-safe file read. Reads up to length bytes from the file pointer referenced by handle. Reading stops as soon as one of the following conditions is met: length bytes have been read; EOF (end of file) is reached. param: $handle (resource) param: $length (int) author: Nicola Asuni return: Returns the read string or FALSE in case of error. |
| _freadint($f) X-Ref |
| Read a 4-byte (32 bit) integer from file. param: $f (string) file name. return: 4-byte integer |
| getPageSizeFromFormat($format) X-Ref |
| Get page dimensions from format name. param: $format (mixed) The format name @see self::$page_format<ul> return: array containing page width and height in points |
| setPageBoxes($page, $type, $llx, $lly, $urx, $ury, $points=false, $k, $pagedim=array() X-Ref |
| Set page boundaries. param: $page (int) page number param: $type (string) valid values are: <ul><li>'MediaBox' : the boundaries of the physical medium on which the page shall be displayed or printed;</li><li>'CropBox' : the visible region of default user space;</li><li>'BleedBox' : the region to which the contents of the page shall be clipped when output in a production environment;</li><li>'TrimBox' : the intended dimensions of the finished page after trimming;</li><li>'ArtBox' : the page's meaningful content (including potential white space).</li></ul> param: $llx (float) lower-left x coordinate in user units. param: $lly (float) lower-left y coordinate in user units. param: $urx (float) upper-right x coordinate in user units. param: $ury (float) upper-right y coordinate in user units. param: $points (boolean) If true uses user units as unit of measure, otherwise uses PDF points. param: $k (float) Scale factor (number of points in user unit). param: $pagedim (array) Array of page dimensions. return: pagedim array of page dimensions. |
| swapPageBoxCoordinates($page, $pagedim) X-Ref |
| Swap X and Y coordinates of page boxes (change page boxes orientation). param: $page (int) page number param: $pagedim (array) Array of page dimensions. return: pagedim array of page dimensions. |
| getPageLayoutMode($layout='SinglePage') X-Ref |
| Get the canonical page layout mode. param: $layout (string) The page layout. Possible values are:<ul><li>SinglePage Display one page at a time</li><li>OneColumn Display the pages in one column</li><li>TwoColumnLeft Display the pages in two columns, with odd-numbered pages on the left</li><li>TwoColumnRight Display the pages in two columns, with odd-numbered pages on the right</li><li>TwoPageLeft (PDF 1.5) Display the pages two at a time, with odd-numbered pages on the left</li><li>TwoPageRight (PDF 1.5) Display the pages two at a time, with odd-numbered pages on the right</li></ul> return: (string) Canonical page layout name. |
| getPageMode($mode='UseNone') X-Ref |
| Get the canonical page layout mode. param: $mode (string) A name object specifying how the document should be displayed when opened:<ul><li>UseNone Neither document outline nor thumbnail images visible</li><li>UseOutlines Document outline visible</li><li>UseThumbs Thumbnail images visible</li><li>FullScreen Full-screen mode, with no menu bar, window controls, or any other window visible</li><li>UseOC (PDF 1.5) Optional content group panel visible</li><li>UseAttachments (PDF 1.6) Attachments panel visible</li></ul> return: (string) Canonical page mode name. |
