From 824f8c45edb20e27221e92805b0090f1768a2756 Mon Sep 17 00:00:00 2001 From: tcit Date: Sat, 27 Sep 2014 19:34:17 +0200 Subject: changed mpdf with tcpdf --- .../libraries/tcpdf/include/tcpdf_images.php | 355 +++++++++++++++++++++ 1 file changed, 355 insertions(+) create mode 100644 inc/3rdparty/libraries/tcpdf/include/tcpdf_images.php (limited to 'inc/3rdparty/libraries/tcpdf/include/tcpdf_images.php') diff --git a/inc/3rdparty/libraries/tcpdf/include/tcpdf_images.php b/inc/3rdparty/libraries/tcpdf/include/tcpdf_images.php new file mode 100644 index 00000000..150832ef --- /dev/null +++ b/inc/3rdparty/libraries/tcpdf/include/tcpdf_images.php @@ -0,0 +1,355 @@ +. +// +// See LICENSE.TXT file for more information. +// ------------------------------------------------------------------- +// +// Description : +// Static image methods used by the TCPDF class. +// +//============================================================+ + +/** + * @file + * This is a PHP class that contains static image methods for the TCPDF class.
+ * @package com.tecnick.tcpdf + * @author Nicola Asuni + * @version 1.0.003 + */ + +/** + * @class TCPDF_IMAGES + * Static image methods used by the TCPDF class. + * @package com.tecnick.tcpdf + * @brief PHP class for generating PDF documents without requiring external extensions. + * @version 1.0.003 + * @author Nicola Asuni - info@tecnick.com + */ +class TCPDF_IMAGES { + + /** + * Array of hinheritable SVG properties. + * @since 5.0.000 (2010-05-02) + * @public static + */ + public static $svginheritprop = array('clip-rule', 'color', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'cursor', 'direction', 'fill', 'fill-opacity', 'fill-rule', 'font', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'image-rendering', 'kerning', 'letter-spacing', 'marker', 'marker-end', 'marker-mid', 'marker-start', 'pointer-events', 'shape-rendering', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-rendering', 'visibility', 'word-spacing', 'writing-mode'); + +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + /** + * Return the image type given the file name or array returned by getimagesize() function. + * @param $imgfile (string) image file name + * @param $iminfo (array) array of image information returned by getimagesize() function. + * @return string image type + * @since 4.8.017 (2009-11-27) + * @public static + */ + public static function getImageFileType($imgfile, $iminfo=array()) { + $type = ''; + if (isset($iminfo['mime']) AND !empty($iminfo['mime'])) { + $mime = explode('/', $iminfo['mime']); + if ((count($mime) > 1) AND ($mime[0] == 'image') AND (!empty($mime[1]))) { + $type = strtolower(trim($mime[1])); + } + } + if (empty($type)) { + $fileinfo = pathinfo($imgfile); + if (isset($fileinfo['extension']) AND (!TCPDF_STATIC::empty_string($fileinfo['extension']))) { + $type = strtolower(trim($fileinfo['extension'])); + } + } + if ($type == 'jpg') { + $type = 'jpeg'; + } + return $type; + } + + /** + * Set the transparency for the given GD image. + * @param $new_image (image) GD image object + * @param $image (image) GD image object. + * return GD image object. + * @since 4.9.016 (2010-04-20) + * @public static + */ + public static function setGDImageTransparency($new_image, $image) { + // transparency index + $tid = imagecolortransparent($image); + // default transparency color + $tcol = array('red' => 255, 'green' => 255, 'blue' => 255); + if ($tid >= 0) { + // get the colors for the transparency index + $tcol = imagecolorsforindex($image, $tid); + } + $tid = imagecolorallocate($new_image, $tcol['red'], $tcol['green'], $tcol['blue']); + imagefill($new_image, 0, 0, $tid); + imagecolortransparent($new_image, $tid); + return $new_image; + } + + /** + * Convert the loaded image to a PNG and then return a structure for the PDF creator. + * This function requires GD library and write access to the directory defined on K_PATH_CACHE constant. + * @param $image (image) Image object. + * return image PNG image object. + * @since 4.9.016 (2010-04-20) + * @public static + */ + public static function _toPNG($image) { + // set temporary image file name + $tempname = TCPDF_STATIC::getObjFilename('img'); + // turn off interlaced mode + imageinterlace($image, 0); + // create temporary PNG image + imagepng($image, $tempname); + // remove image from memory + imagedestroy($image); + // get PNG image data + $retvars = self::_parsepng($tempname); + // tidy up by removing temporary image + unlink($tempname); + return $retvars; + } + + /** + * Convert the loaded image to a JPEG and then return a structure for the PDF creator. + * This function requires GD library and write access to the directory defined on K_PATH_CACHE constant. + * @param $image (image) Image object. + * @param $quality (int) JPEG quality. + * return image JPEG image object. + * @public static + */ + public static function _toJPEG($image, $quality) { + $tempname = TCPDF_STATIC::getObjFilename('img'); + imagejpeg($image, $tempname, $quality); + imagedestroy($image); + $retvars = self::_parsejpeg($tempname); + // tidy up by removing temporary image + unlink($tempname); + return $retvars; + } + + /** + * Extract info from a JPEG file without using the GD library. + * @param $file (string) image file to parse + * @return array structure containing the image data + * @public static + */ + public static function _parsejpeg($file) { + $a = getimagesize($file); + if (empty($a)) { + //Missing or incorrect image file + return false; + } + if ($a[2] != 2) { + // Not a JPEG file + return false; + } + // bits per pixel + $bpc = isset($a['bits']) ? intval($a['bits']) : 8; + // number of image channels + if (!isset($a['channels'])) { + $channels = 3; + } else { + $channels = intval($a['channels']); + } + // default colour space + switch ($channels) { + case 1: { + $colspace = 'DeviceGray'; + break; + } + case 3: { + $colspace = 'DeviceRGB'; + break; + } + case 4: { + $colspace = 'DeviceCMYK'; + break; + } + default: { + $channels = 3; + $colspace = 'DeviceRGB'; + break; + } + } + // get file content + $data = file_get_contents($file); + // check for embedded ICC profile + $icc = array(); + $offset = 0; + while (($pos = strpos($data, "ICC_PROFILE\0", $offset)) !== false) { + // get ICC sequence length + $length = (TCPDF_STATIC::_getUSHORT($data, ($pos - 2)) - 16); + // marker sequence number + $msn = max(1, ord($data[($pos + 12)])); + // number of markers (total of APP2 used) + $nom = max(1, ord($data[($pos + 13)])); + // get sequence segment + $icc[($msn - 1)] = substr($data, ($pos + 14), $length); + // move forward to next sequence + $offset = ($pos + 14 + $length); + } + // order and compact ICC segments + if (count($icc) > 0) { + ksort($icc); + $icc = implode('', $icc); + if ((ord($icc[36]) != 0x61) OR (ord($icc[37]) != 0x63) OR (ord($icc[38]) != 0x73) OR (ord($icc[39]) != 0x70)) { + // invalid ICC profile + $icc = false; + } + } else { + $icc = false; + } + return array('w' => $a[0], 'h' => $a[1], 'ch' => $channels, 'icc' => $icc, 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'DCTDecode', 'data' => $data); + } + + /** + * Extract info from a PNG file without using the GD library. + * @param $file (string) image file to parse + * @return array structure containing the image data + * @public static + */ + public static function _parsepng($file) { + $f = @fopen($file, 'rb'); + if ($f === false) { + // Can't open image file + return false; + } + //Check signature + if (fread($f, 8) != chr(137).'PNG'.chr(13).chr(10).chr(26).chr(10)) { + // Not a PNG file + return false; + } + //Read header chunk + fread($f, 4); + if (fread($f, 4) != 'IHDR') { + //Incorrect PNG file + return false; + } + $w = TCPDF_STATIC::_freadint($f); + $h = TCPDF_STATIC::_freadint($f); + $bpc = ord(fread($f, 1)); + $ct = ord(fread($f, 1)); + if ($ct == 0) { + $colspace = 'DeviceGray'; + } elseif ($ct == 2) { + $colspace = 'DeviceRGB'; + } elseif ($ct == 3) { + $colspace = 'Indexed'; + } else { + // alpha channel + fclose($f); + return 'pngalpha'; + } + if (ord(fread($f, 1)) != 0) { + // Unknown compression method + fclose($f); + return false; + } + if (ord(fread($f, 1)) != 0) { + // Unknown filter method + fclose($f); + return false; + } + if (ord(fread($f, 1)) != 0) { + // Interlacing not supported + fclose($f); + return false; + } + fread($f, 4); + $channels = ($ct == 2 ? 3 : 1); + $parms = '/DecodeParms << /Predictor 15 /Colors '.$channels.' /BitsPerComponent '.$bpc.' /Columns '.$w.' >>'; + //Scan chunks looking for palette, transparency and image data + $pal = ''; + $trns = ''; + $data = ''; + $icc = false; + do { + $n = TCPDF_STATIC::_freadint($f); + $type = fread($f, 4); + if ($type == 'PLTE') { + // read palette + $pal = TCPDF_STATIC::rfread($f, $n); + fread($f, 4); + } elseif ($type == 'tRNS') { + // read transparency info + $t = TCPDF_STATIC::rfread($f, $n); + if ($ct == 0) { // DeviceGray + $trns = array(ord($t[1])); + } elseif ($ct == 2) { // DeviceRGB + $trns = array(ord($t[1]), ord($t[3]), ord($t[5])); + } else { // Indexed + if ($n > 0) { + $trns = array(); + for ($i = 0; $i < $n; ++ $i) { + $trns[] = ord($t{$i}); + } + } + } + fread($f, 4); + } elseif ($type == 'IDAT') { + // read image data block + $data .= TCPDF_STATIC::rfread($f, $n); + fread($f, 4); + } elseif ($type == 'iCCP') { + // skip profile name + $len = 0; + while ((ord(fread($f, 1)) != 0) AND ($len < 80)) { + ++$len; + } + // get compression method + if (ord(fread($f, 1)) != 0) { + // Unknown filter method + fclose($f); + return false; + } + // read ICC Color Profile + $icc = TCPDF_STATIC::rfread($f, ($n - $len - 2)); + // decompress profile + $icc = gzuncompress($icc); + fread($f, 4); + } elseif ($type == 'IEND') { + break; + } else { + TCPDF_STATIC::rfread($f, $n + 4); + } + } while ($n); + if (($colspace == 'Indexed') AND (empty($pal))) { + // Missing palette + fclose($f); + return false; + } + fclose($f); + return array('w' => $w, 'h' => $h, 'ch' => $channels, 'icc' => $icc, 'cs' => $colspace, 'bpc' => $bpc, 'f' => 'FlateDecode', 'parms' => $parms, 'pal' => $pal, 'trns' => $trns, 'data' => $data); + } + +} // END OF TCPDF_IMAGES CLASS + +//============================================================+ +// END OF FILE +//============================================================+ -- cgit v1.2.3