FM / src

/home/techb158/exp.abdallabala.com/vendor/mpdf/mpdf/src/

/home/techb158/exp.abdallabala.com/vendor/mpdf/mpdf/src

Name	Size	Mode	Actions
Barcode/	-	0755	rm
Color/	-	0755	rm
Config/	-	0755	rm
Conversion/	-	0755	rm
Css/	-	0755	rm
Exception/	-	0755	rm
File/	-	0755	rm
Fonts/	-	0755	rm
Gif/	-	0755	rm
Image/	-	0755	rm
Language/	-	0755	rm
Log/	-	0755	rm
Output/	-	0755	rm
Pdf/	-	0755	rm
Shaper/	-	0755	rm
Tag/	-	0755	rm
Utils/	-	0755	rm
Writer/	-	0755	rm
Barcode.php	5078	0644	edit dl rm
Cache.php	2348	0644	edit dl rm
CssManager.php	78728	0644	edit dl rm
DirectWrite.php	14929	0644	edit dl rm
Form.php	68873	0644	edit dl rm
FpdiTrait.php	11873	0644	edit dl rm
functions-dev.php	165	0644	edit dl rm
Gradient.php	34748	0644	edit dl rm
HTMLParserMode.php	731	0644	edit dl rm
Hyphenator.php	4959	0644	edit dl rm
Mpdf.php	957575	0644	edit dl rm
MpdfException.php	73	0644	edit dl rm
MpdfImageException.php	82	0644	edit dl rm
Otl.php	254307	0644	edit dl rm
OtlDump.php	166978	0644	edit dl rm
PageFormat.php	2391	0644	edit dl rm
RemoteContentFetcher.php	3421	0644	edit dl rm
ServiceFactory.php	4512	0644	edit dl rm
SizeConverter.php	3469	0644	edit dl rm
Strict.php	1535	0644	edit dl rm
TableOfContents.php	33451	0644	edit dl rm
Tag.php	7405	0644	edit dl rm
TTFontFile.php	172818	0644	edit dl rm
TTFontFileAnalysis.php	14551	0644	edit dl rm
Ucdn.php	131957	0644	edit dl rm

Edit: /home/techb158/exp.abdallabala.com/vendor/mpdf/mpdf/src/Gradient.php (34748B)

<?php

namespace Mpdf;

use Mpdf\Color\ColorConverter;
use Mpdf\Writer\BaseWriter;

class Gradient
{

const TYPE_LINEAR = 2;
	const TYPE_RADIAL = 3;

/**
	 * @var \Mpdf\Mpdf
	 */
	private $mpdf;

/**
	 * @var \Mpdf\SizeConverter
	 */
	private $sizeConverter;

/**
	 * @var \Mpdf\Color\ColorConverter
	 */
	private $colorConverter;

/**
	 * @var \Mpdf\Writer\BaseWriter
	 */
	private $writer;

public function __construct(Mpdf $mpdf, SizeConverter $sizeConverter, ColorConverter $colorConverter, BaseWriter $writer)
	{
		$this->mpdf = $mpdf;
		$this->sizeConverter = $sizeConverter;
		$this->colorConverter = $colorConverter;
		$this->writer = $writer;
	}

// mPDF 5.3.A1
	public function CoonsPatchMesh($x, $y, $w, $h, $patch_array = [], $x_min = 0, $x_max = 1, $y_min = 0, $y_max = 1, $colspace = 'RGB', $return = false)
	{
		$s = ' q ';
		$s.=sprintf(' %.3F %.3F %.3F %.3F re W n ', $x * Mpdf::SCALE, ($this->mpdf->h - $y) * Mpdf::SCALE, $w * Mpdf::SCALE, -$h * Mpdf::SCALE);
		$s.=sprintf(' %.3F 0 0 %.3F %.3F %.3F cm ', $w * Mpdf::SCALE, $h * Mpdf::SCALE, $x * Mpdf::SCALE, ($this->mpdf->h - ($y + $h)) * Mpdf::SCALE);
		$n = count($this->mpdf->gradients) + 1;
		$this->mpdf->gradients[$n]['type'] = 6; //coons patch mesh
		$this->mpdf->gradients[$n]['colorspace'] = $colspace; //coons patch mesh
		$bpcd = 65535; //16 BitsPerCoordinate
		$trans = false;
		$this->mpdf->gradients[$n]['stream'] = '';
		for ($i = 0; $i < count($patch_array); $i++) {
			$this->mpdf->gradients[$n]['stream'].=chr($patch_array[$i]['f']); //start with the edge flag as 8 bit
			for ($j = 0; $j < count($patch_array[$i]['points']); $j++) {
				//each point as 16 bit
				if (($j % 2) == 1) { // Y coordinate (adjusted as input is From top left)
					$patch_array[$i]['points'][$j] = (($patch_array[$i]['points'][$j] - $y_min) / ($y_max - $y_min)) * $bpcd;
					$patch_array[$i]['points'][$j] = $bpcd - $patch_array[$i]['points'][$j];
				} else {
					$patch_array[$i]['points'][$j] = (($patch_array[$i]['points'][$j] - $x_min) / ($x_max - $x_min)) * $bpcd;
				}
				if ($patch_array[$i]['points'][$j] < 0) {
					$patch_array[$i]['points'][$j] = 0;
				}
				if ($patch_array[$i]['points'][$j] > $bpcd) {
					$patch_array[$i]['points'][$j] = $bpcd;
				}
				$this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j] / 256));
				$this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j] % 256));
			}
			for ($j = 0; $j < count($patch_array[$i]['colors']); $j++) {
				//each color component as 8 bit
				if ($colspace === 'RGB') {
					$this->mpdf->gradients[$n]['stream'].= $patch_array[$i]['colors'][$j][1];
					$this->mpdf->gradients[$n]['stream'].= $patch_array[$i]['colors'][$j][2];
					$this->mpdf->gradients[$n]['stream'].= $patch_array[$i]['colors'][$j][3];
					if (isset($patch_array[$i]['colors'][$j][4]) && ord($patch_array[$i]['colors'][$j][4]) < 100) {
						$trans = true;
					}
				} elseif ($colspace === 'CMYK') {
					$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][1]) * 2.55);
					$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][2]) * 2.55);
					$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][3]) * 2.55);
					$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][4]) * 2.55);
					if (isset($patch_array[$i]['colors'][$j][5]) && ord($patch_array[$i]['colors'][$j][5]) < 100) {
						$trans = true;
					}
				} elseif ($colspace === 'Gray') {
					$this->mpdf->gradients[$n]['stream'].= $patch_array[$i]['colors'][$j][1];
					if ($patch_array[$i]['colors'][$j][2] == 1) {
						$trans = true;
					} // transparency converted from rgba or cmyka()
				}
			}
		}
		// TRANSPARENCY
		if ($trans) {
			$this->mpdf->gradients[$n]['stream_trans'] = '';
			for ($i = 0; $i < count($patch_array); $i++) {
				$this->mpdf->gradients[$n]['stream_trans'].=chr($patch_array[$i]['f']);
				for ($j = 0; $j < count($patch_array[$i]['points']); $j++) {
					//each point as 16 bit
					$this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j] / 256));
					$this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j] % 256));
				}
				for ($j = 0; $j < count($patch_array[$i]['colors']); $j++) {
					//each color component as 8 bit // OPACITY
					if ($colspace === 'RGB') {
						$this->mpdf->gradients[$n]['stream_trans'].=chr((int) (ord($patch_array[$i]['colors'][$j][4]) * 2.55));
					} elseif ($colspace === 'CMYK') {
						$this->mpdf->gradients[$n]['stream_trans'].=chr((int) (ord($patch_array[$i]['colors'][$j][5]) * 2.55));
					} elseif ($colspace === 'Gray') {
						$this->mpdf->gradients[$n]['stream_trans'].=chr((int) (ord($patch_array[$i]['colors'][$j][3]) * 2.55));
					}
				}
			}
			$this->mpdf->gradients[$n]['trans'] = true;
			$s .= ' /TGS' . $n . ' gs ';
		}
		//paint the gradient
		$s .= '/Sh' . $n . ' sh' . "\n";
		//restore previous Graphic State
		$s .= 'Q' . "\n";
		if ($return) {
			return $s;
		}

$this->writer->write($s);
	}

// type = linear:2; radial: 3;
	// Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg).
	//    The default value is from left to right (x1=0, y1=0, x2=1, y2=0).
	// Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1,
	//    (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg).
	//    (fx, fy) should be inside the circle, otherwise some areas will not be defined
	// $col = array(R,G,B/255); or array(G/255); or array(C,M,Y,K/100)
	// $stops = array('col'=>$col [, 'opacity'=>0-1] [, 'offset'=>0-1])
	public function Gradient($x, $y, $w, $h, $type, $stops = [], $colorspace = 'RGB', $coords = '', $extend = '', $return = false, $is_mask = false)
	{
		if (stripos($type, 'L') === 0) {
			$type = self::TYPE_LINEAR;
		} elseif (stripos($type, 'R') === 0) {
			$type = self::TYPE_RADIAL;
		}

if ($colorspace !== 'CMYK' && $colorspace !== 'Gray') {
			$colorspace = 'RGB';
		}
		$bboxw = $w;
		$bboxh = $h;
		$usex = $x;
		$usey = $y;
		$usew = $bboxw;
		$useh = $bboxh;

if ($type < 1) {
			$type = self::TYPE_LINEAR;
		}
		if ($coords[0] !== false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $coords[0], $m)) {
			$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
			if ($tmp) {
				$coords[0] = $tmp / $w;
			}
		}
		if ($coords[1] !== false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $coords[1], $m)) {
			$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
			if ($tmp) {
				$coords[1] = 1 - ($tmp / $h);
			}
		}

if ($type == self::TYPE_LINEAR) {
			$angle = (isset($coords[4]) ? $coords[4] : false);
			$repeat = (isset($coords[5]) ? $coords[5] : false);
			// ALL POINTS SET (default for custom mPDF linear gradient) - no -moz
			if ($coords[0] !== false && $coords[1] !== false && $coords[2] !== false && $coords[3] !== false) {
				// do nothing - coords used as they are
			} elseif ($angle !== false && $coords[0] !== false && $coords[1] !== false && $coords[2] === false && $coords[3] === false) {
				// If both a <point> and <angle> are defined, the gradient axis starts from the point and runs along the angle. The end point is
				// defined as before - in this case start points may not be in corners, and axis may not correctly fall in the right quadrant.
				// NO end points (Angle defined & Start points)
				if ($angle == 0 || $angle == 360) {
					$coords[3] = $coords[1];
					if ($coords[0] == 1) {
						$coords[2] = 2;
					} else {
						$coords[2] = 1;
					}
				} elseif ($angle == 90) {
					$coords[2] = $coords[0];
					$coords[3] = 1;
					if ($coords[1] == 1) {
						$coords[3] = 2;
					} else {
						$coords[3] = 1;
					}
				} elseif ($angle == 180) {
					if ($coords[4] == 0) {
						$coords[2] = -1;
					} else {
						$coords[2] = 0;
					}
					$coords[3] = $coords[1];
				} elseif ($angle == 270) {
					$coords[2] = $coords[0];
					if ($coords[1] == 0) {
						$coords[3] = -1;
					} else {
						$coords[3] = 0;
					}
				} else {
					$endx = 1;
					$endy = 1;
					if ($angle <= 90) {
						if ($angle <= 45) {
							$endy = tan(deg2rad($angle));
						} else {
							$endx = tan(deg2rad(90 - $angle));
						}
						$b = atan2($endy * $bboxh, $endx * $bboxw);
						$ny = 1 - $coords[1] - (tan($b) * (1 - $coords[0]));
						$tx = sin($b) * cos($b) * $ny;
						$ty = cos($b) * cos($b) * $ny;
						$coords[2] = 1 + $tx;
						$coords[3] = 1 - $ty;
					} elseif ($angle <= 180) {
						if ($angle <= 135) {
							$endx = tan(deg2rad($angle - 90));
						} else {
							$endy = tan(deg2rad(180 - $angle));
						}
						$b = atan2($endy * $bboxh, $endx * $bboxw);
						$ny = 1 - $coords[1] - (tan($b) * $coords[0]);
						$tx = sin($b) * cos($b) * $ny;
						$ty = cos($b) * cos($b) * $ny;
						$coords[2] = -$tx;
						$coords[3] = 1 - $ty;
					} elseif ($angle <= 270) {
						if ($angle <= 225) {
							$endy = tan(deg2rad($angle - 180));
						} else {
							$endx = tan(deg2rad(270 - $angle));
						}
						$b = atan2($endy * $bboxh, $endx * $bboxw);
						$ny = $coords[1] - (tan($b) * $coords[0]);
						$tx = sin($b) * cos($b) * $ny;
						$ty = cos($b) * cos($b) * $ny;
						$coords[2] = -$tx;
						$coords[3] = $ty;
					} else {
						if ($angle <= 315) {
							$endx = tan(deg2rad($angle - 270));
						} else {
							$endy = tan(deg2rad(360 - $angle));
						}
						$b = atan2($endy * $bboxh, $endx * $bboxw);
						$ny = $coords[1] - (tan($b) * (1 - $coords[0]));
						$tx = sin($b) * cos($b) * $ny;
						$ty = cos($b) * cos($b) * $ny;
						$coords[2] = 1 + $tx;
						$coords[3] = $ty;
					}
				}
			} elseif ($angle !== false && $coords[0] === false && $coords[1] === false) {
				// -moz If the first parameter is only an <angle>, the gradient axis starts from the box's corner that would ensure the
				// axis goes through the box. The axis runs along the specified angle. The end point of the axis is defined such that the
				// farthest corner of the box from the starting point is perpendicular to the gradient axis at that point.
				// NO end points or Start points (Angle defined)
				if ($angle == 0 || $angle == 360) {
					$coords[0] = 0;
					$coords[1] = 0;
					$coords[2] = 1;
					$coords[3] = 0;
				} elseif ($angle == 90) {
					$coords[0] = 0;
					$coords[1] = 0;
					$coords[2] = 0;
					$coords[3] = 1;
				} elseif ($angle == 180) {
					$coords[0] = 1;
					$coords[1] = 0;
					$coords[2] = 0;
					$coords[3] = 0;
				} elseif ($angle == 270) {
					$coords[0] = 0;
					$coords[1] = 1;
					$coords[2] = 0;
					$coords[3] = 0;
				} else {
					if ($angle <= 90) {
						$coords[0] = 0;
						$coords[1] = 0;
						if ($angle <= 45) {
							$endx = 1;
							$endy = tan(deg2rad($angle));
						} else {
							$endx = tan(deg2rad(90 - $angle));
							$endy = 1;
						}
					} elseif ($angle <= 180) {
						$coords[0] = 1;
						$coords[1] = 0;
						if ($angle <= 135) {
							$endx = tan(deg2rad($angle - 90));
							$endy = 1;
						} else {
							$endx = 1;
							$endy = tan(deg2rad(180 - $angle));
						}
					} elseif ($angle <= 270) {
						$coords[0] = 1;
						$coords[1] = 1;
						if ($angle <= 225) {
							$endx = 1;
							$endy = tan(deg2rad($angle - 180));
						} else {
							$endx = tan(deg2rad(270 - $angle));
							$endy = 1;
						}
					} else {
						$coords[0] = 0;
						$coords[1] = 1;
						if ($angle <= 315) {
							$endx = tan(deg2rad($angle - 270));
							$endy = 1;
						} else {
							$endx = 1;
							$endy = tan(deg2rad(360 - $angle));
						}
					}
					$b = atan2($endy * $bboxh, $endx * $bboxw);
					$h2 = $bboxh - ($bboxh * tan($b));
					$px = $bboxh + ($h2 * sin($b) * cos($b));
					$py = ($bboxh * tan($b)) + ($h2 * sin($b) * sin($b));
					$x1 = $px / $bboxh;
					$y1 = $py / $bboxh;
					if ($angle <= 90) {
						$coords[2] = $x1;
						$coords[3] = $y1;
					} elseif ($angle <= 180) {
						$coords[2] = 1 - $x1;
						$coords[3] = $y1;
					} elseif ($angle <= 270) {
						$coords[2] = 1 - $x1;
						$coords[3] = 1 - $y1;
					} else {
						$coords[2] = $x1;
						$coords[3] = 1 - $y1;
					}
				}
			} elseif ((!isset($angle) || $angle === false) && $coords[0] !== false && $coords[1] !== false) {
				// -moz If the first parameter to the gradient function is only a <point>, the gradient axis starts from the specified point,
				// and ends at the point you would get if you rotated the starting point by 180 degrees about the center of the box that the
				// gradient is to be applied to.
				// NO angle and NO end points (Start points defined)
				$coords[2] = 1 - $coords[0];
				$coords[3] = 1 - $coords[1];
				$angle = rad2deg(atan2($coords[3] - $coords[1], $coords[2] - $coords[0]));
				if ($angle < 0) {
					$angle += 360;
				} elseif ($angle > 360) {
					$angle -= 360;
				}
				if ($angle != 0 && $angle != 360 && $angle != 90 && $angle != 180 && $angle != 270) {
					if ($w >= $h) {
						$coords[1] *= $h / $w;
						$coords[3] *= $h / $w;
						$usew = $useh = $bboxw;
						$usey -= ($w - $h);
					} else {
						$coords[0] *= $w / $h;
						$coords[2] *= $w / $h;
						$usew = $useh = $bboxh;
					}
				}
			} else {
				// default values T2B
				// -moz If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values, the gradient
				// axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box.
				// All values are set in parseMozGradient - so won't appear here
				$coords = [0, 0, 1, 0]; // default for original linear gradient (L2R)
			}
		} elseif ($type == self::TYPE_RADIAL) {
			$radius = (isset($coords[4]) ? $coords[4] : false);
			$shape = (isset($coords[6]) ? $coords[6] : false);
			$size = (isset($coords[7]) ? $coords[7] : false);
			$repeat = (isset($coords[8]) ? $coords[8] : false);
			// ALL POINTS AND RADIUS SET (default for custom mPDF radial gradient) - no -moz
			if ($coords[0] !== false && $coords[1] !== false && $coords[2] !== false && $coords[3] !== false && $coords[4] !== false) {
				// If a <point> is defined
				// do nothing - coords used as they are
			} elseif ($shape !== false && $size !== false) {
				if ($coords[2] == false) {
					$coords[2] = $coords[0];
				}
				if ($coords[3] == false) {
					$coords[3] = $coords[1];
				}
				// ELLIPSE
				if ($shape === 'ellipse') {
					$corner1 = sqrt(($coords[0] ** 2) + ($coords[1] ** 2));
					$corner2 = sqrt(($coords[0] ** 2) + ((1 - $coords[1]) ** 2));
					$corner3 = sqrt(((1 - $coords[0]) ** 2) + ($coords[1] ** 2));
					$corner4 = sqrt(((1 - $coords[0]) ** 2) + ((1 - $coords[1]) ** 2));
					if ($size === 'closest-side') {
						$radius = min($coords[0], $coords[1], 1 - $coords[0], 1 - $coords[1]);
					} elseif ($size === 'closest-corner') {
						$radius = min($corner1, $corner2, $corner3, $corner4);
					} elseif ($size === 'farthest-side') {
						$radius = max($coords[0], $coords[1], 1 - $coords[0], 1 - $coords[1]);
					} else {
						$radius = max($corner1, $corner2, $corner3, $corner4);
					} // farthest corner (default)
				} elseif ($shape === 'circle') {
					if ($w >= $h) {
						$coords[1] = $coords[3] = ($coords[1] * $h / $w);
						$corner1 = sqrt(($coords[0] ** 2) + ($coords[1] ** 2));
						$corner2 = sqrt(($coords[0] ** 2) + ((($h / $w) - $coords[1]) ** 2));
						$corner3 = sqrt(((1 - $coords[0]) ** 2) + ($coords[1] ** 2));
						$corner4 = sqrt(((1 - $coords[0]) ** 2) + ((($h / $w) - $coords[1]) ** 2));
						if ($size === 'closest-side') {
							$radius = min($coords[0], $coords[1], 1 - $coords[0], ($h / $w) - $coords[1]);
						} elseif ($size === 'closest-corner') {
							$radius = min($corner1, $corner2, $corner3, $corner4);
						} elseif ($size === 'farthest-side') {
							$radius = max($coords[0], $coords[1], 1 - $coords[0], ($h / $w) - $coords[1]);
						} elseif ($size === 'farthest-corner') {
							$radius = max($corner1, $corner2, $corner3, $corner4);
						} // farthest corner (default)
						$usew = $useh = $bboxw;
						$usey -= ($w - $h);
					} else {
						$coords[0] = $coords[2] = ($coords[0] * $w / $h);
						$corner1 = sqrt(($coords[0] ** 2) + ($coords[1] ** 2));
						$corner2 = sqrt(($coords[0] ** 2) + ((1 - $coords[1]) ** 2));
						$corner3 = sqrt(((($w / $h) - $coords[0]) ** 2) + ($coords[1] ** 2));
						$corner4 = sqrt(((($w / $h) - $coords[0]) ** 2) + ((1 - $coords[1]) ** 2));
						if ($size === 'closest-side') {
							$radius = min($coords[0], $coords[1], ($w / $h) - $coords[0], 1 - $coords[1]);
						} elseif ($size === 'closest-corner') {
							$radius = min($corner1, $corner2, $corner3, $corner4);
						} elseif ($size === 'farthest-side') {
							$radius = max($coords[0], $coords[1], ($w / $h) - $coords[0], 1 - $coords[1]);
						} elseif ($size === 'farthest-corner') {
							$radius = max($corner1, $corner2, $corner3, $corner4);
						} // farthest corner (default)
						$usew = $useh = $bboxh;
					}
				}
				if ($radius == 0) {
					$radius = 0.001;
				} // to prevent error
				$coords[4] = $radius;
			} else {
				// -moz If entire function consists of only <stop> values
				// All values are set in parseMozGradient - so won't appear here
				$coords = [0.5, 0.5, 0.5, 0.5]; // default for radial gradient (centred)
			}
		}
		$s = ' q';
		$s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x * Mpdf::SCALE, ($this->mpdf->h - $y) * Mpdf::SCALE, $w * Mpdf::SCALE, -$h * Mpdf::SCALE) . "\n";
		$s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew * Mpdf::SCALE, $useh * Mpdf::SCALE, $usex * Mpdf::SCALE, ($this->mpdf->h - ($usey + $useh)) * Mpdf::SCALE) . "\n";

$n = count($this->mpdf->gradients) + 1;
		$this->mpdf->gradients[$n]['type'] = $type;
		$this->mpdf->gradients[$n]['colorspace'] = $colorspace;
		$trans = false;
		$this->mpdf->gradients[$n]['is_mask'] = $is_mask;
		if ($is_mask) {
			$trans = true;
		}
		if (count($stops) == 1) {
			$stops[1] = $stops[0];
		}
		if (!isset($stops[0]['offset'])) {
			$stops[0]['offset'] = 0;
		}
		if (!isset($stops[count($stops) - 1]['offset'])) {
			$stops[count($stops) - 1]['offset'] = 1;
		}

// Fix stop-offsets set as absolute lengths
		if ($type == self::TYPE_LINEAR) {
			$axisx = ($coords[2] - $coords[0]) * $usew;
			$axisy = ($coords[3] - $coords[1]) * $useh;
			$axis_length = sqrt(($axisx ** 2) + ($axisy ** 2));
		} else {
			$axis_length = $coords[4] * $usew;
		} // Absolute lengths are meaningless for an ellipse - Firefox uses Width as reference

for ($i = 0; $i < count($stops); $i++) {
			if (isset($stops[$i]['offset']) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $stops[$i]['offset'], $m)) {
				$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
				$stops[$i]['offset'] = $tmp / $axis_length;
			}
		}

if (isset($stops[0]['offset']) && $stops[0]['offset'] > 0) {
			$firststop = $stops[0];
			$firststop['offset'] = 0;
			array_unshift($stops, $firststop);
		}
		if (!$repeat && isset($stops[count($stops) - 1]['offset']) && $stops[count($stops) - 1]['offset'] < 1) {
			$endstop = $stops[count($stops) - 1];
			$endstop['offset'] = 1;
			$stops[] = $endstop;
		}
		if ($stops[0]['offset'] > $stops[count($stops) - 1]['offset']) {
			$stops[0]['offset'] = 0;
			$stops[count($stops) - 1]['offset'] = 1;
		}

for ($i = 0; $i < count($stops); $i++) {
			// mPDF 5.3.74
			if ($colorspace === 'CMYK') {
				$this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F %.3F %.3F %.3F', ord($stops[$i]['col'][1]) / 100, ord($stops[$i]['col'][2]) / 100, ord($stops[$i]['col'][3]) / 100, ord($stops[$i]['col'][4]) / 100);
			} elseif ($colorspace === 'Gray') {
				$this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F', ord($stops[$i]['col'][1]) / 255);
			} else {
				$this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F %.3F %.3F', ord($stops[$i]['col'][1]) / 255, ord($stops[$i]['col'][2]) / 255, ord($stops[$i]['col'][3]) / 255);
			}
			if (!isset($stops[$i]['opacity'])) {
				$stops[$i]['opacity'] = 1;
			} elseif ($stops[$i]['opacity'] > 1 || $stops[$i]['opacity'] < 0) {
				$stops[$i]['opacity'] = 1;
			} elseif ($stops[$i]['opacity'] < 1) {
				$trans = true;
			}
			$this->mpdf->gradients[$n]['stops'][$i]['opacity'] = $stops[$i]['opacity'];
			// OFFSET
			if ($i > 0 && $i < (count($stops) - 1)) {
				if (!isset($stops[$i]['offset']) || (isset($stops[$i + 1]['offset']) && $stops[$i]['offset'] > $stops[$i + 1]['offset']) || $stops[$i]['offset'] < $stops[$i - 1]['offset']) {
					if (isset($stops[$i - 1]['offset']) && isset($stops[$i + 1]['offset'])) {
						$stops[$i]['offset'] = ($stops[$i - 1]['offset'] + $stops[$i + 1]['offset']) / 2;
					} else {
						for ($j = ($i + 1); $j < count($stops); $j++) {
							if (isset($stops[$j]['offset'])) {
								break;
							}
						}
						$int = ($stops[$j]['offset'] - $stops[$i - 1]['offset']) / ($j - $i + 1);
						for ($f = 0; $f < ($j - $i - 1); $f++) {
							$stops[$i + $f]['offset'] = $stops[$i + $f - 1]['offset'] + $int;
						}
					}
				}
			}
			$this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset'];
		}

if ($repeat) {
			$ns = count($this->mpdf->gradients[$n]['stops']);
			$offs = [];
			for ($i = 0; $i < $ns; $i++) {
				$offs[$i] = $this->mpdf->gradients[$n]['stops'][$i]['offset'];
			}
			$gp = 0;
			$inside = true;
			while ($inside) {
				$gp++;
				for ($i = 0; $i < $ns; $i++) {
					$this->mpdf->gradients[$n]['stops'][($ns * $gp) + $i] = $this->mpdf->gradients[$n]['stops'][($ns * ($gp - 1)) + $i];
					$tmp = $this->mpdf->gradients[$n]['stops'][($ns * ($gp - 1)) + ($ns - 1)]['offset'] + $offs[$i];
					if ($tmp < 1) {
						$this->mpdf->gradients[$n]['stops'][($ns * $gp) + $i]['offset'] = $tmp;
					} else {
						$this->mpdf->gradients[$n]['stops'][($ns * $gp) + $i]['offset'] = 1;
						$inside = false;
						break;
					}
				}
			}
		}

if ($trans) {
			$this->mpdf->gradients[$n]['trans'] = true;
			$s .= ' /TGS' . $n . ' gs ';
		}
		if (!is_array($extend) || count($extend) < 1) {
			$extend = ['true', 'true']; // These are supposed to be quoted - appear in PDF file as text
		}
		$this->mpdf->gradients[$n]['coords'] = $coords;
		$this->mpdf->gradients[$n]['extend'] = $extend;
		//paint the gradient
		$s .= '/Sh' . $n . ' sh ' . "\n";
		//restore previous Graphic State
		$s .= ' Q ' . "\n";
		if ($return) {
			return $s;
		}

$this->writer->write($s);
	}

private function parseMozLinearGradient($m, $repeat)
	{
		$g = [];
		$g['type'] = self::TYPE_LINEAR;
		$g['colorspace'] = 'RGB';
		$g['extend'] = ['true', 'true'];
		$v = trim($m[1]);
		// Change commas inside e.g. rgb(x,x,x)
		while (preg_match('/($[^$]*?),/', $v)) {
			$v = preg_replace('/($[^$]*?),/', '\\1@', $v);
		}
		// Remove spaces inside e.g. rgb(x, x, x)
		while (preg_match('/($[^$]*?)[ ]/', $v)) {
			$v = preg_replace('/($[^$]*?)[ ]/', '\\1', $v);
		}
		$bgr = preg_split('/\s*,\s*/', $v);
		for ($i = 0; $i < count($bgr); $i++) {
			$bgr[$i] = preg_replace('/@/', ',', $bgr[$i]);
		}
		// Is first part $bgr[0] a valid point/angle?
		$first = preg_split('/\s+/', trim($bgr[0]));
		if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i', $bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i', $bgr[0])) {
			$startStops = 1;
		} elseif (trim($first[count($first) - 1]) === '0') {
			$startStops = 1;
		} else {
			$check = $this->colorConverter->convert($first[0], $this->mpdf->PDFAXwarnings);
			$startStops = 1;
			if ($check) {
				$startStops = 0;
			}
		}
		// first part a valid point/angle?
		if ($startStops === 1) { // default values
			// [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,]
			if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i', $bgr[0], $m)) {
				$angle = $m[1] + 0;
				if (strtolower($m[2]) === 'grad') {
					$angle *= (360 / 400);
				} elseif (strtolower($m[2]) === 'rad') {
					$angle = rad2deg($angle);
				}
				while ($angle < 0) {
					$angle += 360;
				}
				$angle %= 360;
			} elseif (trim($first[count($first) - 1]) === '0') {
				$angle = 0;
			}
			if (stripos($bgr[0], 'left') !== false) {
				$startx = 0;
			} elseif (stripos($bgr[0], 'right') !== false) {
				$startx = 1;
			}
			if (stripos($bgr[0], 'top') !== false) {
				$starty = 1;
			} elseif (stripos($bgr[0], 'bottom') !== false) {
				$starty = 0;
			}
			// Check for %? ?% or %%
			if (preg_match('/(\d+)[%]/i', $first[0], $m)) {
				$startx = $m[1] / 100;
			} elseif (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[0], $m)) {
				$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
				if ($tmp) {
					$startx = $m[1];
				}
			}
			if (isset($first[1]) && preg_match('/(\d+)[%]/i', $first[1], $m)) {
				$starty = 1 - ($m[1] / 100);
			} elseif (!isset($starty) && isset($first[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[1], $m)) {
				$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
				if ($tmp) {
					$starty = $m[1];
				}
			}
			if (isset($startx) && !isset($starty)) {
				$starty = 0.5;
			}
			if (!isset($startx) && isset($starty)) {
				$startx = 0.5;
			}
		} else {
			// If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values,
			// the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of
			// the box.
			$starty = 1;
			$startx = 0.5;
			$endy = 0;
			$endx = 0.5;
		}
		if (!isset($startx)) {
			$startx = false;
		}
		if (!isset($starty)) {
			$starty = false;
		}
		if (!isset($endx)) {
			$endx = false;
		}
		if (!isset($endy)) {
			$endy = false;
		}
		if (!isset($angle)) {
			$angle = false;
		}
		$g['coords'] = [$startx, $starty, $endx, $endy, $angle, $repeat];
		$g['stops'] = [];
		for ($i = $startStops; $i < count($bgr); $i++) {
			// parse stops
			$el = preg_split('/\s+/', trim($bgr[$i]));
			// mPDF 5.3.74
			$col = $this->colorConverter->convert($el[0], $this->mpdf->PDFAXwarnings);
			if (!$col) {
				$col = $this->colorConverter->convert(255, $this->mpdf->PDFAXwarnings);
			}
			if ($col[0] == 1) {
				$g['colorspace'] = 'Gray';
			} elseif ($col[0] == 4 || $col[0] == 6) {
				$g['colorspace'] = 'CMYK';
			}

$g['stops'][] = $this->getStop($col, $el, true);
		}
		return $g;
	}

private function parseMozRadialGradient($m, $repeat)
	{
		$g = [];
		$g['type'] = self::TYPE_RADIAL;
		$g['colorspace'] = 'RGB';
		$g['extend'] = ['true', 'true'];
		$v = trim($m[1]);
		// Change commas inside e.g. rgb(x,x,x)
		while (preg_match('/($[^$]*?),/', $v)) {
			$v = preg_replace('/($[^$]*?),/', '\\1@', $v);
		}
		// Remove spaces inside e.g. rgb(x, x, x)
		while (preg_match('/($[^$]*?)[ ]/', $v)) {
			$v = preg_replace('/($[^$]*?)[ ]/', '\\1', $v);
		}
		$bgr = preg_split('/\s*,\s*/', $v);
		for ($i = 0; $i < count($bgr); $i++) {
			$bgr[$i] = preg_replace('/@/', ',', $bgr[$i]);
		}

// Is first part $bgr[0] a valid point/angle?
		$startStops = 0;
		$pos_angle = false;
		$shape_size = false;
		$first = preg_split('/\s+/', trim($bgr[0]));
		$checkCol = $this->colorConverter->convert($first[0], $this->mpdf->PDFAXwarnings);
		if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i', $bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i', $bgr[0])) {
			$startStops = 1;
			$pos_angle = $bgr[0];
		} elseif (trim($first[count($first) - 1]) === '0') {
			$startStops = 1;
			$pos_angle = $bgr[0];
		} elseif (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $bgr[0])) {
			$startStops = 1;
			$shape_size = $bgr[0];
		} elseif (!$checkCol) {
			$startStops = 1;
			$pos_angle = $bgr[0];
		}
		if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $bgr[1])) {
			$startStops = 2;
			$shape_size = $bgr[1];
		}

// If valid point/angle?
		if ($pos_angle) { // default values
			// [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,]
			if (stripos($pos_angle, 'left') !== false) {
				$startx = 0;
			} elseif (stripos($pos_angle, 'right') !== false) {
				$startx = 1;
			}
			if (stripos($pos_angle, 'top') !== false) {
				$starty = 1;
			} elseif (stripos($pos_angle, 'bottom') !== false) {
				$starty = 0;
			}
			// Check for %? ?% or %%
			if (preg_match('/(\d+)[%]/i', $first[0], $m)) {
				$startx = $m[1] / 100;
			} elseif (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[0], $m)) {
				$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
				if ($tmp) {
					$startx = $m[1];
				}
			}
			if (isset($first[1]) && preg_match('/(\d+)[%]/i', $first[1], $m)) {
				$starty = 1 - ($m[1] / 100);
			} elseif (!isset($starty) && isset($first[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[1], $m)) {
				$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
				if ($tmp) {
					$starty = $m[1];
				}
			}

if (!isset($starty)) {
				$starty = 0.5;
			}
			if (!isset($startx)) {
				$startx = 0.5;
			}
		} else {
			// If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values,
			// the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of
			// the box. default values Center
			$starty = 0.5;
			$startx = 0.5;
			$endy = 0.5;
			$endx = 0.5;
		}

// If valid shape/size?
		$shape = 'ellipse'; // default
		$size = 'farthest-corner'; // default
		if ($shape_size) { // default values
			if (preg_match('/(circle|ellipse)/i', $shape_size, $m)) {
				$shape = $m[1];
			}
			if (preg_match('/(closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $shape_size, $m)) {
				$size = $m[1];
				if ($size === 'contain') {
					$size = 'closest-side';
				} elseif ($size === 'cover') {
					$size = 'farthest-corner';
				}
			}
		}

if (!isset($startx)) {
			$startx = false;
		}
		if (!isset($starty)) {
			$starty = false;
		}
		if (!isset($endx)) {
			$endx = false;
		}
		if (!isset($endy)) {
			$endy = false;
		}
		$radius = false;
		$angle = 0;
		$g['coords'] = [$startx, $starty, $endx, $endy, $radius, $angle, $shape, $size, $repeat];

$g['stops'] = [];
		for ($i = $startStops; $i < count($bgr); $i++) {
			// parse stops
			$el = preg_split('/\s+/', trim($bgr[$i]));
			// mPDF 5.3.74
			$col = $this->colorConverter->convert($el[0], $this->mpdf->PDFAXwarnings);
			if (!$col) {
				$col = $this->colorConverter->convert(255, $this->mpdf->PDFAXwarnings);
			}
			if ($col[0] == 1) {
				$g['colorspace'] = 'Gray';
			} elseif ($col[0] == 4 || $col[0] == 6) {
				$g['colorspace'] = 'CMYK';
			}
			$g['stops'][] = $this->getStop($col, $el);
		}
		return $g;
	}

private function getStop($col, $el, $convertOffset = false)
	{
		$stop = [
			'col' => $col,
		];

if ($col[0] == 5) {
			// transparency from rgba()
			$stop['opacity'] = ord($col[4]) / 100;
		} elseif ($col[0] == 6) {
			// transparency from cmyka()
			$stop['opacity'] = ord($col[5]) / 100;
		} elseif ($col[0] == 1 && $col[2] == 1) {
			// transparency converted from rgba or cmyka()
			$stop['opacity'] = ord($col[3]) / 100;
		}

if (isset($el[1])) {
			if (preg_match('/(\d+)[%]/', $el[1], $m)) {
				$stop['offset'] = $m[1] / 100;
				if ($stop['offset'] > 1) {
					unset($stop['offset']);
				}
			} elseif (preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $el[1], $m)) {
				if ($convertOffset) {
					$tmp = $this->sizeConverter->convert($m[1], $this->mpdf->w, $this->mpdf->FontSize, false);
					if ($tmp) {
						$stop['offset'] = $m[1];
					}
				} else {
					$stop['offset'] = $el[1];
				}
			}
		}

return $stop;
	}

public function parseMozGradient($bg)
	{
		//	background[-image]: -moz-linear-gradient(left, #c7Fdde 20%, #FF0000 );
		//	background[-image]: linear-gradient(left, #c7Fdde 20%, #FF0000 ); // CSS3
		$repeat = strpos($bg, 'repeating-') !== false;

if (preg_match('/linear-gradient$(.*)$/', $bg, $m)) {
			$g = $this->parseMozLinearGradient($m, $repeat);
			if (count($g['stops'])) {
				return $g;
			}
		} elseif (preg_match('/radial-gradient$(.*)$/', $bg, $m)) {
			$g = $this->parseMozRadialGradient($m, $repeat);
			if (count($g['stops'])) {
				return $g;
			}
		}
		return [];
	}

public function parseBackgroundGradient($bg)
	{
		// background-gradient: linear #00FFFF #FFFF00 0 0.5 1 0.5;  or
		// background-gradient: radial #00FFFF #FFFF00 0.5 0.5 1 1 1.2;

$v = trim($bg);
		$bgr = preg_split('/\s+/', $v);
		$count_bgr = count($bgr);
		$g = [];
		if ($count_bgr > 6) {
			if (stripos($bgr[0], 'L') === 0 && $count_bgr === 7) {  // linear
				$g['type'] = self::TYPE_LINEAR;
				//$coords = array(0,0,1,1 );	// 0 0 1 0 or 0 1 1 1 is L 2 R; 1,1,0,1 is R2L; 1,1,1,0 is T2B; 1,0,1,1 is B2T
				// Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg).
				//    The default value is from left to right (x1=0, y1=0, x2=1, y2=0).
				$g['coords'] = [$bgr[3], $bgr[4], $bgr[5], $bgr[6]];
			} elseif ($count_bgr === 8) { // radial
				$g['type'] = self::TYPE_RADIAL;
				// Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1,
				//    (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg).
				//    (fx, fy) should be inside the circle, otherwise some areas will not be defined
				$g['coords'] = [$bgr[3], $bgr[4], $bgr[5], $bgr[6], $bgr[7]];
			}
			$g['colorspace'] = 'RGB';
			// mPDF 5.3.74
			$cor = $this->colorConverter->convert($bgr[1], $this->mpdf->PDFAXwarnings);
			if ($cor[0] == 1) {
				$g['colorspace'] = 'Gray';
			} elseif ($cor[0] == 4 || $cor[0] == 6) {
				$g['colorspace'] = 'CMYK';
			}
			if ($cor) {
				$g['col'] = $cor;
			} else {
				$g['col'] = $this->colorConverter->convert(255, $this->mpdf->PDFAXwarnings);
			}
			$cor = $this->colorConverter->convert($bgr[2], $this->mpdf->PDFAXwarnings);
			if ($cor) {
				$g['col2'] = $cor;
			} else {
				$g['col2'] = $this->colorConverter->convert(255, $this->mpdf->PDFAXwarnings);
			}
			$g['extend'] = ['true', 'true'];
			$g['stops'] = [['col' => $g['col'], 'opacity' => 1, 'offset' => 0], ['col' => $g['col2'], 'opacity' => 1, 'offset' => 1]];
			return $g;
		}
		return false;
	}
}

cmd: