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<?php |
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namespace Dompdf; |
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class Helpers |
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{ |
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/** |
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* print_r wrapper for html/cli output |
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* |
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* Wraps print_r() output in < pre > tags if the current sapi is not 'cli'. |
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* Returns the output string instead of displaying it if $return is true. |
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* |
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* @param mixed $mixed variable or expression to display |
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* @param bool $return |
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* |
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* @return string|null |
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*/ |
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public static function pre_r($mixed, $return = false) |
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{ |
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if ($return) { |
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return "<pre>" . print_r($mixed, true) . "</pre>"; |
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} |
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if (php_sapi_name() !== "cli") { |
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echo "<pre>"; |
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} |
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print_r($mixed); |
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if (php_sapi_name() !== "cli") { |
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echo "</pre>"; |
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} else { |
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echo "\n"; |
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} |
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flush(); |
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return null; |
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} |
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/** |
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* builds a full url given a protocol, hostname, base path and url |
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* |
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* @param string $protocol |
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* @param string $host |
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* @param string $base_path |
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* @param string $url |
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* @return string |
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* |
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* Initially the trailing slash of $base_path was optional, and conditionally appended. |
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* However on dynamically created sites, where the page is given as url parameter, |
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* the base path might not end with an url. |
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* Therefore do not append a slash, and **require** the $base_url to ending in a slash |
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* when needed. |
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* Vice versa, on using the local file system path of a file, make sure that the slash |
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* is appended (o.k. also for Windows) |
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*/ |
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public static function build_url($protocol, $host, $base_path, $url) |
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{ |
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$protocol = mb_strtolower($protocol); |
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if (strlen($url) == 0) { |
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//return $protocol . $host . rtrim($base_path, "/\\") . "/"; |
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return $protocol . $host . $base_path; |
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} |
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// Is the url already fully qualified, a Data URI, or a reference to a named anchor? |
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if (mb_strpos($url, "://") !== false || mb_substr($url, 0, 1) === "#" || mb_strpos($url, "data:") === 0 || mb_strpos($url, "mailto:") === 0) { |
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return $url; |
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} |
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$ret = $protocol; |
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if (!in_array(mb_strtolower($protocol), array("http://", "https://", "ftp://", "ftps://"))) { |
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//On Windows local file, an abs path can begin also with a '\' or a drive letter and colon |
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//drive: followed by a relative path would be a drive specific default folder. |
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//not known in php app code, treat as abs path |
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//($url[1] !== ':' || ($url[2]!=='\\' && $url[2]!=='/')) |
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if ($url[0] !== '/' && (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' || (mb_strlen($url) > 1 && $url[0] !== '\\' && $url[1] !== ':'))) { |
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// For rel path and local acess we ignore the host, and run the path through realpath() |
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$ret .= realpath($base_path) . '/'; |
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} |
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$ret .= $url; |
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$ret = preg_replace('/\?(.*)$/', "", $ret); |
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return $ret; |
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} |
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// Protocol relative urls (e.g. "//example.org/style.css") |
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if (strpos($url, '//') === 0) { |
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$ret .= substr($url, 2); |
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//remote urls with backslash in html/css are not really correct, but lets be genereous |
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} elseif ($url[0] === '/' || $url[0] === '\\') { |
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// Absolute path |
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$ret .= $host . $url; |
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} else { |
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// Relative path |
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//$base_path = $base_path !== "" ? rtrim($base_path, "/\\") . "/" : ""; |
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$ret .= $host . $base_path . $url; |
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} |
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return $ret; |
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} |
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/** |
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* Builds a HTTP Content-Disposition header string using `$dispositionType` |
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* and `$filename`. |
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* |
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* If the filename contains any characters not in the ISO-8859-1 character |
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* set, a fallback filename will be included for clients not supporting the |
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* `filename*` parameter. |
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* |
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* @param string $dispositionType |
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* @param string $filename |
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* @return string |
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*/ |
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public static function buildContentDispositionHeader($dispositionType, $filename) |
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{ |
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$encoding = mb_detect_encoding($filename); |
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$fallbackfilename = mb_convert_encoding($filename, "ISO-8859-1", $encoding); |
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$fallbackfilename = str_replace("\"", "", $fallbackfilename); |
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$encodedfilename = rawurlencode($filename); |
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$contentDisposition = "Content-Disposition: $dispositionType; filename=\"$fallbackfilename\""; |
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if ($fallbackfilename !== $filename) { |
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$contentDisposition .= "; filename*=UTF-8''$encodedfilename"; |
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} |
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return $contentDisposition; |
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} |
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/** |
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* Converts decimal numbers to roman numerals |
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* |
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* @param int $num |
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* |
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* @throws Exception |
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* @return string |
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*/ |
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public static function dec2roman($num) |
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{ |
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static $ones = array("", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix"); |
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static $tens = array("", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc"); |
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static $hund = array("", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm"); |
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static $thou = array("", "m", "mm", "mmm"); |
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if (!is_numeric($num)) { |
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throw new Exception("dec2roman() requires a numeric argument."); |
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} |
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if ($num > 4000 || $num < 0) { |
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return "(out of range)"; |
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} |
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$num = strrev((string)$num); |
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$ret = ""; |
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switch (mb_strlen($num)) { |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 4: |
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$ret .= $thou[$num[3]]; |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 3: |
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$ret .= $hund[$num[2]]; |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 2: |
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$ret .= $tens[$num[1]]; |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 1: |
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$ret .= $ones[$num[0]]; |
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default: |
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break; |
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} |
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return $ret; |
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} |
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/** |
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* Determines whether $value is a percentage or not |
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* |
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* @param float $value |
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* |
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* @return bool |
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*/ |
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public static function is_percent($value) |
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{ |
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return false !== mb_strpos($value, "%"); |
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} |
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/** |
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* Parses a data URI scheme |
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* http://en.wikipedia.org/wiki/Data_URI_scheme |
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* |
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* @param string $data_uri The data URI to parse |
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* |
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* @return array|bool The result with charset, mime type and decoded data |
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*/ |
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public static function parse_data_uri($data_uri) |
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{ |
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if (!preg_match('/^data:(?P<mime>[a-z0-9\/+-.]+)(;charset=(?P<charset>[a-z0-9-])+)?(?P<base64>;base64)?\,(?P<data>.*)?/is', $data_uri, $match)) { |
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return false; |
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} |
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$match['data'] = rawurldecode($match['data']); |
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$result = array( |
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'charset' => $match['charset'] ? $match['charset'] : 'US-ASCII', |
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'mime' => $match['mime'] ? $match['mime'] : 'text/plain', |
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'data' => $match['base64'] ? base64_decode($match['data']) : $match['data'], |
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); |
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return $result; |
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} |
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212
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/** |
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* Encodes a Uniform Resource Identifier (URI) by replacing non-alphanumeric |
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* characters with a percent (%) sign followed by two hex digits, excepting |
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* characters in the URI reserved character set. |
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* |
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* Assumes that the URI is a complete URI, so does not encode reserved |
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* characters that have special meaning in the URI. |
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* |
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* Simulates the encodeURI function available in JavaScript |
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* https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/encodeURI |
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* |
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* Source: http://stackoverflow.com/q/4929584/264628 |
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* |
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225
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* @param string $uri The URI to encode |
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* @return string The original URL with special characters encoded |
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*/ |
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public static function encodeURI($uri) { |
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$unescaped = array( |
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'%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~', |
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'%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')' |
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); |
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$reserved = array( |
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'%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':', |
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'%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$' |
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); |
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$score = array( |
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'%23'=>'#' |
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); |
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return strtr(rawurlencode(rawurldecode($uri)), array_merge($reserved,$unescaped,$score)); |
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} |
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243
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/** |
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244
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* Decoder for RLE8 compression in windows bitmaps |
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245
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* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp |
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* |
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* @param string $str Data to decode |
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248
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* @param integer $width Image width |
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249
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* |
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250
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* @return string |
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251
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*/ |
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252
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public static function rle8_decode($str, $width) |
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253
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{ |
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254
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$lineWidth = $width + (3 - ($width - 1) % 4); |
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255
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$out = ''; |
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256
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$cnt = strlen($str); |
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257
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258
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for ($i = 0; $i < $cnt; $i++) { |
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$o = ord($str[$i]); |
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switch ($o) { |
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case 0: # ESCAPE |
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262
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$i++; |
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263
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switch (ord($str[$i])) { |
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264
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case 0: # NEW LINE |
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265
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$padCnt = $lineWidth - strlen($out) % $lineWidth; |
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266
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if ($padCnt < $lineWidth) { |
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267
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$out .= str_repeat(chr(0), $padCnt); # pad line |
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268
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} |
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269
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break; |
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270
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case 1: # END OF FILE |
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$padCnt = $lineWidth - strlen($out) % $lineWidth; |
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272
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if ($padCnt < $lineWidth) { |
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273
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$out .= str_repeat(chr(0), $padCnt); # pad line |
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274
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} |
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275
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break 3; |
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276
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case 2: # DELTA |
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277
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$i += 2; |
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278
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break; |
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279
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default: # ABSOLUTE MODE |
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280
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$num = ord($str[$i]); |
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281
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for ($j = 0; $j < $num; $j++) { |
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282
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$out .= $str[++$i]; |
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283
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} |
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284
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if ($num % 2) { |
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285
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$i++; |
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286
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} |
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287
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} |
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288
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break; |
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289
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default: |
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290
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$out .= str_repeat($str[++$i], $o); |
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291
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} |
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292
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} |
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293
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return $out; |
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294
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} |
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295
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296
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/** |
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297
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* Decoder for RLE4 compression in windows bitmaps |
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298
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* see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp |
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299
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* |
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300
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* @param string $str Data to decode |
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301
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* @param integer $width Image width |
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302
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* |
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303
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* @return string |
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304
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*/ |
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305
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public static function rle4_decode($str, $width) |
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306
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{ |
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307
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$w = floor($width / 2) + ($width % 2); |
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308
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$lineWidth = $w + (3 - (($width - 1) / 2) % 4); |
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309
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$pixels = array(); |
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310
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$cnt = strlen($str); |
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311
|
|
|
$c = 0; |
|
312
|
|
|
|
|
313
|
|
|
for ($i = 0; $i < $cnt; $i++) { |
|
314
|
|
|
$o = ord($str[$i]); |
|
315
|
|
|
switch ($o) { |
|
316
|
|
|
case 0: # ESCAPE |
|
317
|
|
|
$i++; |
|
318
|
|
|
switch (ord($str[$i])) { |
|
319
|
|
|
case 0: # NEW LINE |
|
320
|
|
|
while (count($pixels) % $lineWidth != 0) { |
|
321
|
|
|
$pixels[] = 0; |
|
322
|
|
|
} |
|
323
|
|
|
break; |
|
324
|
|
|
case 1: # END OF FILE |
|
325
|
|
|
while (count($pixels) % $lineWidth != 0) { |
|
326
|
|
|
$pixels[] = 0; |
|
327
|
|
|
} |
|
328
|
|
|
break 3; |
|
329
|
|
|
case 2: # DELTA |
|
330
|
|
|
$i += 2; |
|
331
|
|
|
break; |
|
332
|
|
|
default: # ABSOLUTE MODE |
|
333
|
|
|
$num = ord($str[$i]); |
|
334
|
|
|
for ($j = 0; $j < $num; $j++) { |
|
335
|
|
|
if ($j % 2 == 0) { |
|
336
|
|
|
$c = ord($str[++$i]); |
|
337
|
|
|
$pixels[] = ($c & 240) >> 4; |
|
338
|
|
|
} else { |
|
339
|
|
|
$pixels[] = $c & 15; |
|
340
|
|
|
} |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
if ($num % 2 == 0) { |
|
344
|
|
|
$i++; |
|
345
|
|
|
} |
|
346
|
|
|
} |
|
347
|
|
|
break; |
|
348
|
|
|
default: |
|
349
|
|
|
$c = ord($str[++$i]); |
|
350
|
|
|
for ($j = 0; $j < $o; $j++) { |
|
351
|
|
|
$pixels[] = ($j % 2 == 0 ? ($c & 240) >> 4 : $c & 15); |
|
352
|
|
|
} |
|
353
|
|
|
} |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
$out = ''; |
|
357
|
|
|
if (count($pixels) % 2) { |
|
358
|
|
|
$pixels[] = 0; |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
$cnt = count($pixels) / 2; |
|
362
|
|
|
|
|
363
|
|
|
for ($i = 0; $i < $cnt; $i++) { |
|
364
|
|
|
$out .= chr(16 * $pixels[2 * $i] + $pixels[2 * $i + 1]); |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
return $out; |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
/** |
|
371
|
|
|
* parse a full url or pathname and return an array(protocol, host, path, |
|
372
|
|
|
* file + query + fragment) |
|
373
|
|
|
* |
|
374
|
|
|
* @param string $url |
|
375
|
|
|
* @return array |
|
376
|
|
|
*/ |
|
377
|
|
|
public static function explode_url($url) |
|
378
|
|
|
{ |
|
379
|
|
|
$protocol = ""; |
|
380
|
|
|
$host = ""; |
|
381
|
|
|
$path = ""; |
|
382
|
|
|
$file = ""; |
|
383
|
|
|
|
|
384
|
|
|
$arr = parse_url($url); |
|
385
|
|
|
if ( isset($arr["scheme"]) ) { |
|
386
|
|
|
$arr["scheme"] = mb_strtolower($arr["scheme"]); |
|
387
|
|
|
} |
|
388
|
|
|
|
|
389
|
|
|
// Exclude windows drive letters... |
|
390
|
|
|
if (isset($arr["scheme"]) && $arr["scheme"] !== "file" && strlen($arr["scheme"]) > 1) { |
|
391
|
|
|
$protocol = $arr["scheme"] . "://"; |
|
392
|
|
|
|
|
393
|
|
|
if (isset($arr["user"])) { |
|
394
|
|
|
$host .= $arr["user"]; |
|
395
|
|
|
|
|
396
|
|
|
if (isset($arr["pass"])) { |
|
397
|
|
|
$host .= ":" . $arr["pass"]; |
|
398
|
|
|
} |
|
399
|
|
|
|
|
400
|
|
|
$host .= "@"; |
|
401
|
|
|
} |
|
402
|
|
|
|
|
403
|
|
|
if (isset($arr["host"])) { |
|
404
|
|
|
$host .= $arr["host"]; |
|
405
|
|
|
} |
|
406
|
|
|
|
|
407
|
|
|
if (isset($arr["port"])) { |
|
408
|
|
|
$host .= ":" . $arr["port"]; |
|
409
|
|
|
} |
|
410
|
|
|
|
|
411
|
|
|
if (isset($arr["path"]) && $arr["path"] !== "") { |
|
412
|
|
|
// Do we have a trailing slash? |
|
413
|
|
|
if ($arr["path"][mb_strlen($arr["path"]) - 1] === "/") { |
|
414
|
|
|
$path = $arr["path"]; |
|
415
|
|
|
$file = ""; |
|
416
|
|
|
} else { |
|
417
|
|
|
$path = rtrim(dirname($arr["path"]), '/\\') . "/"; |
|
418
|
|
|
$file = basename($arr["path"]); |
|
419
|
|
|
} |
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
if (isset($arr["query"])) { |
|
423
|
|
|
$file .= "?" . $arr["query"]; |
|
424
|
|
|
} |
|
425
|
|
|
|
|
426
|
|
|
if (isset($arr["fragment"])) { |
|
427
|
|
|
$file .= "#" . $arr["fragment"]; |
|
428
|
|
|
} |
|
429
|
|
|
|
|
430
|
|
|
} else { |
|
431
|
|
|
|
|
432
|
|
|
$i = mb_stripos($url, "file://"); |
|
433
|
|
|
if ($i !== false) { |
|
434
|
|
|
$url = mb_substr($url, $i + 7); |
|
435
|
|
|
} |
|
436
|
|
|
|
|
437
|
|
|
$protocol = ""; // "file://"; ? why doesn't this work... It's because of |
|
438
|
|
|
// network filenames like //COMPU/SHARENAME |
|
439
|
|
|
|
|
440
|
|
|
$host = ""; // localhost, really |
|
441
|
|
|
$file = basename($url); |
|
442
|
|
|
|
|
443
|
|
|
$path = dirname($url); |
|
444
|
|
|
|
|
445
|
|
|
// Check that the path exists |
|
446
|
|
|
if ($path !== false) { |
|
447
|
|
|
$path .= '/'; |
|
448
|
|
|
|
|
449
|
|
|
} else { |
|
450
|
|
|
// generate a url to access the file if no real path found. |
|
451
|
|
|
$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://'; |
|
452
|
|
|
|
|
453
|
|
|
$host = isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : php_uname("n"); |
|
454
|
|
|
|
|
455
|
|
|
if (substr($arr["path"], 0, 1) === '/') { |
|
456
|
|
|
$path = dirname($arr["path"]); |
|
457
|
|
|
} else { |
|
458
|
|
|
$path = '/' . rtrim(dirname($_SERVER["SCRIPT_NAME"]), '/') . '/' . $arr["path"]; |
|
459
|
|
|
} |
|
460
|
|
|
} |
|
461
|
|
|
} |
|
462
|
|
|
|
|
463
|
|
|
$ret = array($protocol, $host, $path, $file, |
|
464
|
|
|
"protocol" => $protocol, |
|
465
|
|
|
"host" => $host, |
|
466
|
|
|
"path" => $path, |
|
467
|
|
|
"file" => $file); |
|
468
|
|
|
return $ret; |
|
469
|
|
|
} |
|
470
|
|
|
|
|
471
|
|
|
/** |
|
472
|
|
|
* Print debug messages |
|
473
|
|
|
* |
|
474
|
|
|
* @param string $type The type of debug messages to print |
|
475
|
|
|
* @param string $msg The message to show |
|
476
|
|
|
*/ |
|
477
|
|
|
public static function dompdf_debug($type, $msg) |
|
478
|
|
|
{ |
|
479
|
|
|
global $_DOMPDF_DEBUG_TYPES, $_dompdf_show_warnings, $_dompdf_debug; |
|
480
|
|
|
if (isset($_DOMPDF_DEBUG_TYPES[$type]) && ($_dompdf_show_warnings || $_dompdf_debug)) { |
|
481
|
|
|
$arr = debug_backtrace(); |
|
482
|
|
|
|
|
483
|
|
|
echo basename($arr[0]["file"]) . " (" . $arr[0]["line"] . "): " . $arr[1]["function"] . ": "; |
|
484
|
|
|
Helpers::pre_r($msg); |
|
485
|
|
|
} |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
|
|
/** |
|
489
|
|
|
* Stores warnings in an array for display later |
|
490
|
|
|
* This function allows warnings generated by the DomDocument parser |
|
491
|
|
|
* and CSS loader ({@link Stylesheet}) to be captured and displayed |
|
492
|
|
|
* later. Without this function, errors are displayed immediately and |
|
493
|
|
|
* PDF streaming is impossible. |
|
494
|
|
|
* @see http://www.php.net/manual/en/function.set-error_handler.php |
|
495
|
|
|
* |
|
496
|
|
|
* @param int $errno |
|
497
|
|
|
* @param string $errstr |
|
498
|
|
|
* @param string $errfile |
|
499
|
|
|
* @param string $errline |
|
500
|
|
|
* |
|
501
|
|
|
* @throws Exception |
|
502
|
|
|
*/ |
|
503
|
|
|
public static function record_warnings($errno, $errstr, $errfile, $errline) |
|
504
|
|
|
{ |
|
505
|
|
|
// Not a warning or notice |
|
506
|
|
|
if (!($errno & (E_WARNING | E_NOTICE | E_USER_NOTICE | E_USER_WARNING))) { |
|
507
|
|
|
throw new Exception($errstr . " $errno"); |
|
508
|
|
|
} |
|
509
|
|
|
|
|
510
|
|
|
global $_dompdf_warnings; |
|
511
|
|
|
global $_dompdf_show_warnings; |
|
512
|
|
|
|
|
513
|
|
|
if ($_dompdf_show_warnings) { |
|
514
|
|
|
echo $errstr . "\n"; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
|
|
$_dompdf_warnings[] = $errstr; |
|
518
|
|
|
} |
|
519
|
|
|
|
|
520
|
|
|
/** |
|
521
|
|
|
* @param $c |
|
522
|
|
|
* @return bool|string |
|
523
|
|
|
*/ |
|
524
|
|
|
public static function unichr($c) |
|
525
|
|
|
{ |
|
526
|
|
|
if ($c <= 0x7F) { |
|
527
|
|
|
return chr($c); |
|
528
|
|
|
} else if ($c <= 0x7FF) { |
|
529
|
|
|
return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F); |
|
530
|
|
|
} else if ($c <= 0xFFFF) { |
|
531
|
|
|
return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F) |
|
532
|
|
|
. chr(0x80 | $c & 0x3F); |
|
533
|
|
|
} else if ($c <= 0x10FFFF) { |
|
534
|
|
|
return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F) |
|
535
|
|
|
. chr(0x80 | $c >> 6 & 0x3F) |
|
536
|
|
|
. chr(0x80 | $c & 0x3F); |
|
537
|
|
|
} |
|
538
|
|
|
return false; |
|
539
|
|
|
} |
|
540
|
|
|
|
|
541
|
|
|
/** |
|
542
|
|
|
* Converts a CMYK color to RGB |
|
543
|
|
|
* |
|
544
|
|
|
* @param float|float[] $c |
|
545
|
|
|
* @param float $m |
|
546
|
|
|
* @param float $y |
|
547
|
|
|
* @param float $k |
|
548
|
|
|
* |
|
549
|
|
|
* @return float[] |
|
550
|
|
|
*/ |
|
551
|
|
|
public static function cmyk_to_rgb($c, $m = null, $y = null, $k = null) |
|
552
|
|
|
{ |
|
553
|
|
|
if (is_array($c)) { |
|
554
|
|
|
list($c, $m, $y, $k) = $c; |
|
555
|
|
|
} |
|
556
|
|
|
|
|
557
|
|
|
$c *= 255; |
|
558
|
|
|
$m *= 255; |
|
559
|
|
|
$y *= 255; |
|
560
|
|
|
$k *= 255; |
|
561
|
|
|
|
|
562
|
|
|
$r = (1 - round(2.55 * ($c + $k))); |
|
563
|
|
|
$g = (1 - round(2.55 * ($m + $k))); |
|
564
|
|
|
$b = (1 - round(2.55 * ($y + $k))); |
|
565
|
|
|
|
|
566
|
|
|
if ($r < 0) { |
|
567
|
|
|
$r = 0; |
|
568
|
|
|
} |
|
569
|
|
|
if ($g < 0) { |
|
570
|
|
|
$g = 0; |
|
571
|
|
|
} |
|
572
|
|
|
if ($b < 0) { |
|
573
|
|
|
$b = 0; |
|
574
|
|
|
} |
|
575
|
|
|
|
|
576
|
|
|
return array( |
|
577
|
|
|
$r, $g, $b, |
|
578
|
|
|
"r" => $r, "g" => $g, "b" => $b |
|
579
|
|
|
); |
|
580
|
|
|
} |
|
581
|
|
|
|
|
582
|
|
|
/** |
|
583
|
|
|
* getimagesize doesn't give a good size for 32bit BMP image v5 |
|
584
|
|
|
* |
|
585
|
|
|
* @param string $filename |
|
586
|
|
|
* @return array The same format as getimagesize($filename) |
|
587
|
|
|
*/ |
|
588
|
|
|
public static function dompdf_getimagesize($filename, $context = null) |
|
589
|
|
|
{ |
|
590
|
|
|
static $cache = array(); |
|
591
|
|
|
|
|
592
|
|
|
if (isset($cache[$filename])) { |
|
593
|
|
|
return $cache[$filename]; |
|
594
|
|
|
} |
|
595
|
|
|
|
|
596
|
|
|
list($width, $height, $type) = getimagesize($filename); |
|
597
|
|
|
|
|
598
|
|
|
// Custom types |
|
599
|
|
|
$types = array( |
|
600
|
|
|
IMAGETYPE_JPEG => "jpeg", |
|
601
|
|
|
IMAGETYPE_GIF => "gif", |
|
602
|
|
|
IMAGETYPE_BMP => "bmp", |
|
603
|
|
|
IMAGETYPE_PNG => "png", |
|
604
|
|
|
); |
|
605
|
|
|
|
|
606
|
|
|
$type = isset($types[$type]) ? $types[$type] : null; |
|
607
|
|
|
|
|
608
|
|
|
if ($width == null || $height == null) { |
|
609
|
|
|
list($data, $headers) = Helpers::getFileContent($filename, $context); |
|
610
|
|
|
|
|
611
|
|
|
if (substr($data, 0, 2) === "BM") { |
|
612
|
|
|
$meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data); |
|
613
|
|
|
$width = (int)$meta['width']; |
|
614
|
|
|
$height = (int)$meta['height']; |
|
615
|
|
|
$type = "bmp"; |
|
616
|
|
|
} |
|
617
|
|
|
else { |
|
618
|
|
|
if (strpos($data, "<svg") !== false) { |
|
619
|
|
|
$doc = new \Svg\Document(); |
|
620
|
|
|
$doc->loadFile($filename); |
|
621
|
|
|
|
|
622
|
|
|
list($width, $height) = $doc->getDimensions(); |
|
623
|
|
|
$type = "svg"; |
|
624
|
|
|
} |
|
625
|
|
|
} |
|
626
|
|
|
|
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
return $cache[$filename] = array($width, $height, $type); |
|
630
|
|
|
} |
|
631
|
|
|
|
|
632
|
|
|
/** |
|
633
|
|
|
* Credit goes to mgutt |
|
634
|
|
|
* http://www.programmierer-forum.de/function-imagecreatefrombmp-welche-variante-laeuft-t143137.htm |
|
635
|
|
|
* Modified by Fabien Menager to support RGB555 BMP format |
|
636
|
|
|
*/ |
|
637
|
|
|
public static function imagecreatefrombmp($filename, $context = null) |
|
638
|
|
|
{ |
|
639
|
|
|
if (!function_exists("imagecreatetruecolor")) { |
|
640
|
|
|
trigger_error("The PHP GD extension is required, but is not installed.", E_ERROR); |
|
641
|
|
|
return false; |
|
642
|
|
|
} |
|
643
|
|
|
|
|
644
|
|
|
// version 1.00 |
|
645
|
|
|
if (!($fh = fopen($filename, 'rb'))) { |
|
646
|
|
|
trigger_error('imagecreatefrombmp: Can not open ' . $filename, E_USER_WARNING); |
|
647
|
|
|
return false; |
|
648
|
|
|
} |
|
649
|
|
|
|
|
650
|
|
|
$bytes_read = 0; |
|
651
|
|
|
|
|
652
|
|
|
// read file header |
|
653
|
|
|
$meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14)); |
|
654
|
|
|
|
|
655
|
|
|
// check for bitmap |
|
656
|
|
|
if ($meta['type'] != 19778) { |
|
657
|
|
|
trigger_error('imagecreatefrombmp: ' . $filename . ' is not a bitmap!', E_USER_WARNING); |
|
658
|
|
|
return false; |
|
659
|
|
|
} |
|
660
|
|
|
|
|
661
|
|
|
// read image header |
|
662
|
|
|
$meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40)); |
|
663
|
|
|
$bytes_read += 40; |
|
664
|
|
|
|
|
665
|
|
|
// read additional bitfield header |
|
666
|
|
|
if ($meta['compression'] == 3) { |
|
667
|
|
|
$meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12)); |
|
668
|
|
|
$bytes_read += 12; |
|
669
|
|
|
} |
|
670
|
|
|
|
|
671
|
|
|
// set bytes and padding |
|
672
|
|
|
$meta['bytes'] = $meta['bits'] / 8; |
|
673
|
|
|
$meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4) - floor($meta['width'] * $meta['bytes'] / 4))); |
|
674
|
|
|
if ($meta['decal'] == 4) { |
|
675
|
|
|
$meta['decal'] = 0; |
|
676
|
|
|
} |
|
677
|
|
|
|
|
678
|
|
|
// obtain imagesize |
|
679
|
|
|
if ($meta['imagesize'] < 1) { |
|
680
|
|
|
$meta['imagesize'] = $meta['filesize'] - $meta['offset']; |
|
681
|
|
|
// in rare cases filesize is equal to offset so we need to read physical size |
|
682
|
|
|
if ($meta['imagesize'] < 1) { |
|
683
|
|
|
$meta['imagesize'] = @filesize($filename) - $meta['offset']; |
|
684
|
|
|
if ($meta['imagesize'] < 1) { |
|
685
|
|
|
trigger_error('imagecreatefrombmp: Can not obtain filesize of ' . $filename . '!', E_USER_WARNING); |
|
686
|
|
|
return false; |
|
687
|
|
|
} |
|
688
|
|
|
} |
|
689
|
|
|
} |
|
690
|
|
|
|
|
691
|
|
|
// calculate colors |
|
692
|
|
|
$meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors']; |
|
693
|
|
|
|
|
694
|
|
|
// read color palette |
|
695
|
|
|
$palette = array(); |
|
696
|
|
|
if ($meta['bits'] < 16) { |
|
697
|
|
|
$palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4)); |
|
698
|
|
|
// in rare cases the color value is signed |
|
699
|
|
|
if ($palette[1] < 0) { |
|
700
|
|
|
foreach ($palette as $i => $color) { |
|
701
|
|
|
$palette[$i] = $color + 16777216; |
|
702
|
|
|
} |
|
703
|
|
|
} |
|
704
|
|
|
} |
|
705
|
|
|
|
|
706
|
|
|
// ignore extra bitmap headers |
|
707
|
|
|
if ($meta['headersize'] > $bytes_read) { |
|
708
|
|
|
fread($fh, $meta['headersize'] - $bytes_read); |
|
709
|
|
|
} |
|
710
|
|
|
|
|
711
|
|
|
// create gd image |
|
712
|
|
|
$im = imagecreatetruecolor($meta['width'], $meta['height']); |
|
713
|
|
|
$data = fread($fh, $meta['imagesize']); |
|
714
|
|
|
|
|
715
|
|
|
// uncompress data |
|
716
|
|
|
switch ($meta['compression']) { |
|
717
|
|
|
case 1: |
|
718
|
|
|
$data = Helpers::rle8_decode($data, $meta['width']); |
|
719
|
|
|
break; |
|
720
|
|
|
case 2: |
|
721
|
|
|
$data = Helpers::rle4_decode($data, $meta['width']); |
|
722
|
|
|
break; |
|
723
|
|
|
} |
|
724
|
|
|
|
|
725
|
|
|
$p = 0; |
|
726
|
|
|
$vide = chr(0); |
|
727
|
|
|
$y = $meta['height'] - 1; |
|
728
|
|
|
$error = 'imagecreatefrombmp: ' . $filename . ' has not enough data!'; |
|
729
|
|
|
|
|
730
|
|
|
// loop through the image data beginning with the lower left corner |
|
731
|
|
|
while ($y >= 0) { |
|
732
|
|
|
$x = 0; |
|
733
|
|
|
while ($x < $meta['width']) { |
|
734
|
|
|
switch ($meta['bits']) { |
|
735
|
|
|
case 32: |
|
736
|
|
|
case 24: |
|
737
|
|
|
if (!($part = substr($data, $p, 3 /*$meta['bytes']*/))) { |
|
738
|
|
|
trigger_error($error, E_USER_WARNING); |
|
739
|
|
|
return $im; |
|
740
|
|
|
} |
|
741
|
|
|
$color = unpack('V', $part . $vide); |
|
742
|
|
|
break; |
|
743
|
|
|
case 16: |
|
744
|
|
|
if (!($part = substr($data, $p, 2 /*$meta['bytes']*/))) { |
|
745
|
|
|
trigger_error($error, E_USER_WARNING); |
|
746
|
|
|
return $im; |
|
747
|
|
|
} |
|
748
|
|
|
$color = unpack('v', $part); |
|
749
|
|
|
|
|
750
|
|
|
if (empty($meta['rMask']) || $meta['rMask'] != 0xf800) { |
|
751
|
|
|
$color[1] = (($color[1] & 0x7c00) >> 7) * 65536 + (($color[1] & 0x03e0) >> 2) * 256 + (($color[1] & 0x001f) << 3); // 555 |
|
752
|
|
|
} else { |
|
753
|
|
|
$color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); // 565 |
|
754
|
|
|
} |
|
755
|
|
|
break; |
|
756
|
|
|
case 8: |
|
757
|
|
|
$color = unpack('n', $vide . substr($data, $p, 1)); |
|
758
|
|
|
$color[1] = $palette[$color[1] + 1]; |
|
759
|
|
|
break; |
|
760
|
|
|
case 4: |
|
761
|
|
|
$color = unpack('n', $vide . substr($data, floor($p), 1)); |
|
762
|
|
|
$color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F; |
|
763
|
|
|
$color[1] = $palette[$color[1] + 1]; |
|
764
|
|
|
break; |
|
765
|
|
|
case 1: |
|
766
|
|
|
$color = unpack('n', $vide . substr($data, floor($p), 1)); |
|
767
|
|
|
switch (($p * 8) % 8) { |
|
768
|
|
|
case 0: |
|
769
|
|
|
$color[1] = $color[1] >> 7; |
|
770
|
|
|
break; |
|
771
|
|
|
case 1: |
|
772
|
|
|
$color[1] = ($color[1] & 0x40) >> 6; |
|
773
|
|
|
break; |
|
774
|
|
|
case 2: |
|
775
|
|
|
$color[1] = ($color[1] & 0x20) >> 5; |
|
776
|
|
|
break; |
|
777
|
|
|
case 3: |
|
778
|
|
|
$color[1] = ($color[1] & 0x10) >> 4; |
|
779
|
|
|
break; |
|
780
|
|
|
case 4: |
|
781
|
|
|
$color[1] = ($color[1] & 0x8) >> 3; |
|
782
|
|
|
break; |
|
783
|
|
|
case 5: |
|
784
|
|
|
$color[1] = ($color[1] & 0x4) >> 2; |
|
785
|
|
|
break; |
|
786
|
|
|
case 6: |
|
787
|
|
|
$color[1] = ($color[1] & 0x2) >> 1; |
|
788
|
|
|
break; |
|
789
|
|
|
case 7: |
|
790
|
|
|
$color[1] = ($color[1] & 0x1); |
|
791
|
|
|
break; |
|
792
|
|
|
} |
|
793
|
|
|
$color[1] = $palette[$color[1] + 1]; |
|
794
|
|
|
break; |
|
795
|
|
|
default: |
|
796
|
|
|
trigger_error('imagecreatefrombmp: ' . $filename . ' has ' . $meta['bits'] . ' bits and this is not supported!', E_USER_WARNING); |
|
797
|
|
|
return false; |
|
798
|
|
|
} |
|
799
|
|
|
imagesetpixel($im, $x, $y, $color[1]); |
|
800
|
|
|
$x++; |
|
801
|
|
|
$p += $meta['bytes']; |
|
802
|
|
|
} |
|
803
|
|
|
$y--; |
|
804
|
|
|
$p += $meta['decal']; |
|
805
|
|
|
} |
|
806
|
|
|
fclose($fh); |
|
807
|
|
|
return $im; |
|
808
|
|
|
} |
|
809
|
|
|
|
|
810
|
|
|
/** |
|
811
|
|
|
* Gets the content of the file at the specified path using one of |
|
812
|
|
|
* the following methods, in preferential order: |
|
813
|
|
|
* - file_get_contents: if allow_url_fopen is true or the file is local |
|
814
|
|
|
* - curl: if allow_url_fopen is false and curl is available |
|
815
|
|
|
* |
|
816
|
|
|
* @param string $uri |
|
817
|
|
|
* @param resource $context (ignored if curl is used) |
|
818
|
|
|
* @param int $offset |
|
819
|
|
|
* @param int $maxlen (ignored if curl is used) |
|
820
|
|
|
* @return bool|array |
|
821
|
|
|
*/ |
|
822
|
|
|
public static function getFileContent($uri, $context = null, $offset = 0, $maxlen = null) |
|
823
|
|
|
{ |
|
824
|
|
|
$result = false; |
|
825
|
|
|
$headers = null; |
|
826
|
|
|
list($proto, $host, $path, $file) = Helpers::explode_url($uri); |
|
827
|
|
|
$is_local_path = ($proto == "" || $proto === "file://"); |
|
828
|
|
|
|
|
829
|
|
|
set_error_handler(array("\\Dompdf\\Helpers", "record_warnings")); |
|
830
|
|
|
|
|
831
|
|
|
if ($is_local_path || ini_get("allow_url_fopen")) { |
|
832
|
|
|
if ($is_local_path === false) { |
|
833
|
|
|
$uri = Helpers::encodeURI($uri); |
|
834
|
|
|
} |
|
835
|
|
|
if (isset($maxlen)) { |
|
836
|
|
|
$result = file_get_contents($uri, null, $context, $offset, $maxlen); |
|
837
|
|
|
} else { |
|
838
|
|
|
$result = file_get_contents($uri, null, $context, $offset); |
|
839
|
|
|
} |
|
840
|
|
|
if (isset($http_response_header)) { |
|
841
|
|
|
$headers = $http_response_header; |
|
842
|
|
|
} |
|
843
|
|
|
|
|
844
|
|
|
} elseif (function_exists("curl_exec")) { |
|
845
|
|
|
$curl = curl_init($uri); |
|
846
|
|
|
|
|
847
|
|
|
//TODO: use $context to define additional curl options |
|
848
|
|
|
curl_setopt($curl, CURLOPT_TIMEOUT, 10); |
|
849
|
|
|
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10); |
|
850
|
|
|
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); |
|
851
|
|
|
curl_setopt($curl, CURLOPT_HEADER, true); |
|
852
|
|
|
if ($offset > 0) { |
|
853
|
|
|
curl_setopt($curl, CURLOPT_RESUME_FROM, $offset); |
|
854
|
|
|
} |
|
855
|
|
|
|
|
856
|
|
|
$data = curl_exec($curl); |
|
857
|
|
|
$raw_headers = substr($data, 0, curl_getinfo($curl, CURLINFO_HEADER_SIZE)); |
|
858
|
|
|
$headers = preg_split("/[\n\r]+/", trim($raw_headers)); |
|
859
|
|
|
$result = substr($data, curl_getinfo($curl, CURLINFO_HEADER_SIZE)); |
|
860
|
|
|
curl_close($curl); |
|
861
|
|
|
} |
|
862
|
|
|
|
|
863
|
|
|
restore_error_handler(); |
|
864
|
|
|
|
|
865
|
|
|
return array($result, $headers); |
|
866
|
|
|
} |
|
867
|
|
|
|
|
868
|
|
|
public static function mb_ucwords($str) { |
|
869
|
|
|
$max_len = mb_strlen($str); |
|
870
|
|
|
if ($max_len === 1) { |
|
871
|
|
|
return mb_strtoupper($str); |
|
872
|
|
|
} |
|
873
|
|
|
|
|
874
|
|
|
$str = mb_strtoupper(mb_substr($str, 0, 1)) . mb_substr($str, 1); |
|
875
|
|
|
|
|
876
|
|
|
foreach (array(' ', '.', ',', '!', '?', '-', '+') as $s) { |
|
877
|
|
|
$pos = 0; |
|
878
|
|
|
while (($pos = mb_strpos($str, $s, $pos)) !== false) { |
|
879
|
|
|
$pos++; |
|
880
|
|
|
// Nothing to do if the separator is the last char of the string |
|
881
|
|
|
if ($pos !== false && $pos < $max_len) { |
|
882
|
|
|
// If the char we want to upper is the last char there is nothing to append behind |
|
883
|
|
|
if ($pos + 1 < $max_len) { |
|
884
|
|
|
$str = mb_substr($str, 0, $pos) . mb_strtoupper(mb_substr($str, $pos, 1)) . mb_substr($str, $pos + 1); |
|
885
|
|
|
} else { |
|
886
|
|
|
$str = mb_substr($str, 0, $pos) . mb_strtoupper(mb_substr($str, $pos, 1)); |
|
887
|
|
|
} |
|
888
|
|
|
} |
|
889
|
|
|
} |
|
890
|
|
|
} |
|
891
|
|
|
|
|
892
|
|
|
return $str; |
|
893
|
|
|
} |
|
894
|
|
|
} |
|
895
|
|
|
|
ladybirdweb /
agorainvoicing
