From 4188f38ad56d7ba2ea46e94403f305243514f80c Mon Sep 17 00:00:00 2001 From: tcit Date: Thu, 24 Jul 2014 15:49:36 +0200 Subject: add pdf and mobi libraries --- inc/3rdparty/libraries/mpdf/classes/grad.php | 723 +++++++++++++++++++++++++++ 1 file changed, 723 insertions(+) create mode 100644 inc/3rdparty/libraries/mpdf/classes/grad.php (limited to 'inc/3rdparty/libraries/mpdf/classes/grad.php') diff --git a/inc/3rdparty/libraries/mpdf/classes/grad.php b/inc/3rdparty/libraries/mpdf/classes/grad.php new file mode 100644 index 00000000..2691bf5d --- /dev/null +++ b/inc/3rdparty/libraries/mpdf/classes/grad.php @@ -0,0 +1,723 @@ +mpdf = $mpdf; +} + +// mPDF 5.3.A1 +function CoonsPatchMesh($x, $y, $w, $h, $patch_array=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 ', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK); + $s.=sprintf(' %.3F 0 0 %.3F %.3F %.3F cm ', $w*_MPDFK, $h*_MPDFK, $x*_MPDFK, ($this->mpdf->h-($y+$h))*_MPDFK); + $n = count($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($i=0;$impdf->gradients[$n]['stream'].=chr($patch_array[$i]['f']); //start with the edge flag as 8 bit + for($j=0;$j$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;$jmpdf->gradients[$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) { $trans = true; } + } + else if ($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) { $trans = true; } + } + else if ($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($i=0;$impdf->gradients[$n]['stream_trans'].=chr($patch_array[$i]['f']); + for($j=0;$jmpdf->gradients[$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;$jmpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][4])*2.55)); + } + else if ($colspace=='CMYK') { + $this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][5])*2.55)); + } + else if ($colspace=='Gray') { + $this->mpdf->gradients[$n]['stream_trans'].=chr(intval(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; } + else { $this->mpdf->_out($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]) +function Gradient($x, $y, $w, $h, $type, $stops=array(), $colorspace='RGB', $coords='', $extend='', $return=false, $is_mask=false) { + if (strtoupper(substr($type,0,1)) == 'L') { $type = 2; } // linear + else if (strtoupper(substr($type,0,1)) == 'R') { $type = 3; } // radial + if ($colorspace != 'CMYK' && $colorspace != 'Gray') { + $colorspace = 'RGB'; + } + $bboxw = $w; + $bboxh = $h; + $usex = $x; + $usey = $y; + $usew = $bboxw; + $useh = $bboxh; + if ($type < 1) { $type = 2; } + if ($coords[0]!==false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$coords[0],$m)) { + $tmp = $this->mpdf->ConvertSize($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 = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); + if ($tmp) { $coords[1] = 1-($tmp/$h); } + } + // LINEAR + if ($type == 2) { + $angle = $coords[4]; + $repeat = $coords[5]; + // ALL POINTS SET (default for custom mPDF linear gradient) - no -moz + if ($coords[0]!==false && $coords[1]!==false && $coords[2]!==false && $coords[3]!==false) { + // do nothing - coords used as they are + } + + // If both a and are defined, the gradient axis starts from the point and runs along the angle. The end point is + // defined as before - in this case start points may not be in corners, and axis may not correctly fall in the right quadrant. + // NO end points (Angle defined & Start points) + else if ($angle!==false && $coords[0]!==false && $coords[1]!==false && $coords[2]===false && $coords[3]===false) { + if ($angle==0 || $angle==360) { $coords[3]=$coords[1]; if ($coords[0]==1) $coords[2]=2; else $coords[2]=1; } + else if ($angle==90) { $coords[2]=$coords[0]; $coords[3]=1; if ($coords[1]==1) $coords[3]=2; else $coords[3]=1; } + else if ($angle==180) { if ($coords[4]==0) $coords[2]=-1; else $coords[2]=0; $coords[3]=$coords[1]; } + else if ($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; + } + else if ($angle <=180) { + if ($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; + } + else if ($angle <=270) { + if ($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] = $ty; + + } + } + } + + // -moz If the first parameter is only an , the gradient axis starts from the box's corner that would ensure the + // axis goes through the box. The axis runs along the specified angle. The end point of the axis is defined such that the + // farthest corner of the box from the starting point is perpendicular to the gradient axis at that point. + // NO end points or Start points (Angle defined) + else if ($angle!==false && $coords[0]===false && $coords[1]===false) { + if ($angle==0 || $angle==360) { $coords[0]=0; $coords[1]=0; $coords[2]=1; $coords[3]=0; } + else if ($angle==90) { $coords[0]=0; $coords[1]=0; $coords[2]=0; $coords[3]=1; } + else if ($angle==180) { $coords[0]=1; $coords[1]=0; $coords[2]=0; $coords[3]=0; } + else if ($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)); $endy=1; } + } + else if ($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)); } + } + else if ($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] = $y1; } + else if ($angle <=180) { $coords[2] = 1-$x1; $coords[3] = $y1; } + else if ($angle <=270) { $coords[2] = 1-$x1; $coords[3] = 1-$y1; } + else { $coords[2] = $x1; $coords[3] = 1-$y1; } + } + } + // -moz If the first parameter to the gradient function is only a , 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) + else if ((!isset($angle) || $angle===false) && $coords[0]!==false && $coords[1]!==false) { // should have start and end 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) { $angle += 360; } + else if ($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; + } + } + } + + // -moz If neither a or is specified, i.e. the entire function consists of only values, the gradient + // axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. + else { // default values T2B + // All values are set in parseMozGradient - so won't appear here + $coords = array(0,0,1,0); // default for original linear gradient (L2R) + } + $s = ' q'; + $s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK)."\n"; + $s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew*_MPDFK, $useh*_MPDFK, $usex*_MPDFK, ($this->mpdf->h-($usey+$useh))*_MPDFK)."\n"; + } + + // RADIAL + else if ($type == 3) { + $radius = $coords[4]; + $angle = $coords[5]; // ?? no effect + $shape = $coords[6]; + $size = $coords[7]; + $repeat = $coords[8]; + // ALL POINTS AND RADIUS SET (default for custom mPDF radial gradient) - no -moz + if ($coords[0]!==false && $coords[1]!==false && $coords[2]!==false && $coords[3]!==false && $coords[4]!==false) { + // do nothing - coords used as they are + } + // If a is defined + else if ($shape!==false && $size!==false) { + if ($coords[2]==false) { $coords[2] = $coords[0]; } + if ($coords[3]==false) { $coords[3] = $coords[1]; } + // ELLIPSE + if ($shape=='ellipse') { + $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); + $corner2 = sqrt(pow($coords[0],2) + pow((1-$coords[1]),2)); + $corner3 = sqrt(pow((1-$coords[0]),2) + pow($coords[1],2)); + $corner4 = sqrt(pow((1-$coords[0]),2) + pow((1-$coords[1]),2)); + if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (1-$coords[0]), (1-$coords[1])); } + else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } + else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (1-$coords[0]), (1-$coords[1])); } + else { $radius = max($corner1, $corner2, $corner3, $corner4); } // farthest corner (default) + } + // CIRCLE + else if ($shape=='circle') { + if ($w >= $h) { + $coords[1] = $coords[3] = ($coords[1] * $h/$w) ; + $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); + $corner2 = sqrt(pow($coords[0],2) + pow((($h/$w)-$coords[1]),2)); + $corner3 = sqrt(pow((1-$coords[0]),2) + pow($coords[1],2)); + $corner4 = sqrt(pow((1-$coords[0]),2) + pow((($h/$w)-$coords[1]),2)); + if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (1-$coords[0]), (($h/$w)-$coords[1])); } + else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } + else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (1-$coords[0]), (($h/$w)-$coords[1])); } + else if ($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) ; + $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); + $corner2 = sqrt(pow($coords[0],2) + pow((1-$coords[1]),2)); + $corner3 = sqrt(pow((($w/$h)-$coords[0]),2) + pow($coords[1],2)); + $corner4 = sqrt(pow((($w/$h)-$coords[0]),2) + pow((1-$coords[1]),2)); + if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (($w/$h)-$coords[0]), (1-$coords[1])); } + else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } + else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (($w/$h)-$coords[0]), (1-$coords[1])); } + else if ($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; + } + + // -moz If entire function consists of only values + else { // default values + // All values are set in parseMozGradient - so won't appear here + $coords = array(0.5,0.5,0.5,0.5); // default for radial gradient (centred) + } + $s = ' q'; + $s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK)."\n"; + $s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew*_MPDFK, $useh*_MPDFK, $usex*_MPDFK, ($this->mpdf->h-($usey+$useh))*_MPDFK)."\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==2) { + $axisx = ($coords[2]-$coords[0])*$usew; + $axisy = ($coords[3]-$coords[1])*$useh; + $axis_length = sqrt(pow($axisx,2) + pow($axisy,2)); + } + else { $axis_length = $coords[4]*$usew; } // Absolute lengths are meaningless for an ellipse - Firefox uses Width as reference + + for($i=0;$impdf->ConvertSize($m[1],$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($i=0;$impdf->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)); + } + else if ($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; } + else if ($stops[$i]['opacity'] > 1 || $stops[$i]['opacity'] < 0) { $stops[$i]['opacity'] = 1; } + else if ($stops[$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);$jmpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; + $this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; + } + + if ($repeat) { + $ns = count($this->mpdf->gradients[$n]['stops']); + $offs = array(); + for($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; + $inside = false; + break(2); + } + } + } + } + + if ($trans) { + $this->mpdf->gradients[$n]['trans'] = true; + $s .= ' /TGS'.$n.' gs '; + } + if (!is_array($extend) || count($extend) <1) { + $extend=array('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; } + else { $this->mpdf->_out($s); } +} + + +function parseMozGradient($bg) { + // background[-image]: -moz-linear-gradient(left, #c7Fdde 20%, #FF0000 ); + // background[-image]: linear-gradient(left, #c7Fdde 20%, #FF0000 ); // CSS3 + if (preg_match('/repeating-/',$bg)) { $repeat = true; } + else { $repeat = false; } + if (preg_match('/linear-gradient\((.*)\)/',$bg,$m)) { + $g = array(); + $g['type'] = 2; + $g['colorspace'] = 'RGB'; + $g['extend'] = array('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($i=0;$impdf->ConvertColor($first[0]); + if ($check) $startStops = 0; + else $startStops = 1; + } + // first part a valid point/angle? + if ($startStops == 1) { // default values + // [ || ,] = [<% em px left center right bottom top> || ,] + if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i',$bgr[0],$m)) { + $angle = $m[1] + 0; + if (strtolower($m[2])=='deg') { $angle = $angle; } + else if (strtolower($m[2])=='grad') { $angle *= (360/400); } + else if (strtolower($m[2])=='rad') { $angle = rad2deg($angle); } + while($angle < 0) { $angle += 360; } + $angle = ($angle % 360); + } + else if (trim($first[(count($first)-1)]) === "0") { $angle = 0; } + if (preg_match('/left/i',$bgr[0])) { $startx = 0; } + else if (preg_match('/right/i',$bgr[0])) { $startx = 1; } + if (preg_match('/top/i',$bgr[0])) { $starty = 1; } + else if (preg_match('/bottom/i',$bgr[0])) { $starty = 0; } + // Check for %? ?% or %% + if (preg_match('/(\d+)[%]/i',$first[0],$m)) { $startx = $m[1]/100; } + else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[0],$m)) { + $tmp = $this->mpdf->ConvertSize($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); } + else if (!isset($starty) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[1],$m)) { + $tmp = $this->mpdf->ConvertSize($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; } + + } + // If neither a or is specified, i.e. the entire function consists of only values, the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. + else { // default values T2B + $starty = 1; $startx = 0.5; + $endy = 0; $endx = 0.5; + } + $coords = array(); + if (!isset($startx)) { $startx = false; } + if (!isset($starty)) { $starty = false; } + if (!isset($endx)) { $endx = false; } + if (!isset($endy)) { $endy = false; } + if (!isset($angle)) { $angle = false; } + $g['coords'] = array($startx ,$starty ,$endx ,$endy, $angle, $repeat ); + $g['stops'] = array(); + for($i=$startStops;$impdf->ConvertColor($el[0]); + if ($col) { $stop['col'] = $col; } + else { $stop['col'] = $col = $this->mpdf->ConvertColor(255); } + if ($col{0}==1) $g['colorspace'] = 'Gray'; + else if ($col{0}==4 || $col{0}==6) $g['colorspace'] = 'CMYK'; + if ($col{0}==5) { $stop['opacity'] = ord($col{4})/100; } // transparency from rgba() + else if ($col{0}==6) { $stop['opacity'] = ord($col{5})/100; } // transparency from cmyka() + else if ($col{0}==1 && $col{2}==1) { $stop['opacity'] = ord($col{3})/100; } // transparency converted from rgba or cmyka() + + if (isset($el[1]) && preg_match('/(\d+)[%]/',$el[1],$m)) { + $stop['offset'] = $m[1]/100; + if ($stop['offset']>1) { unset($stop['offset']); } + } + else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$el[1],$m)) { + $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); + if ($tmp) { $stop['offset'] = $m[1]; } + } + $g['stops'][] = $stop; + } + if (count($g['stops'] )) { return $g; } + } + else if (preg_match('/radial-gradient\((.*)\)/',$bg,$m)) { + $g = array(); + $g['type'] = 3; + $g['colorspace'] = 'RGB'; + $g['extend'] = array('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($i=0;$impdf->ConvertColor($first[0]); + if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i',$bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i',$bgr[0])) { + $startStops=1; + $pos_angle = $bgr[0]; + } + else if (trim($first[(count($first)-1)]) === "0") { + $startStops=1; + $pos_angle = $bgr[0]; + } + else if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i',$bgr[0])) { + $startStops=1; + $shape_size = $bgr[0]; + } + else if (!$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 + // [ || ,] = [<% em px left center right bottom top> || ,] + if (preg_match('/left/i',$pos_angle)) { $startx = 0; } + else if (preg_match('/right/i',$pos_angle)) { $startx = 1; } + if (preg_match('/top/i',$pos_angle)) { $starty = 1; } + else if (preg_match('/bottom/i',$pos_angle)) { $starty = 0; } + // Check for %? ?% or %% + if (preg_match('/(\d+)[%]/i',$first[0],$m)) { $startx = $m[1]/100; } + else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[0],$m)) { + $tmp = $this->mpdf->ConvertSize($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); } + else if (!isset($starty) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[1],$m)) { + $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); + if ($tmp) { $starty = $m[1]; } + } + +/* + // ?? Angle has no effect in radial gradient (does not exist in CSS3 spec.) + if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i',$pos_angle,$m)) { + $angle = $m[1] + 0; + if (strtolower($m[2])=='deg') { $angle = $angle; } + else if (strtolower($m[2])=='grad') { $angle *= (360/400); } + else if (strtolower($m[2])=='rad') { $angle = rad2deg($angle); } + while($angle < 0) { $angle += 360; } + $angle = ($angle % 360); + } +*/ + if (!isset($starty)) { $starty = 0.5; } + if (!isset($startx)) { $startx = 0.5; } + + } + // If neither a or is specified, i.e. the entire function consists of only values, the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. + else { // 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') { $size = 'closest-side'; } + else if ($size=='cover') { $size = 'farthest-corner'; } + } + } + + $coords = array(); + if (!isset($startx)) { $startx = false; } + if (!isset($starty)) { $starty = false; } + if (!isset($endx)) { $endx = false; } + if (!isset($endy)) { $endy = false; } + if (!isset($radius)) { $radius = false; } + if (!isset($angle)) { $angle = 0; } + $g['coords'] = array($startx ,$starty ,$endx ,$endy, $radius, $angle, $shape, $size, $repeat ); + + $g['stops'] = array(); + for($i=$startStops;$impdf->ConvertColor($el[0]); + if ($col) { $stop['col'] = $col; } + else { $stop['col'] = $col = $this->mpdf->ConvertColor(255); } + if ($col{0}==1) $g['colorspace'] = 'Gray'; + else if ($col{0}==4 || $col{0}==6) $g['colorspace'] = 'CMYK'; + if ($col{0}==5) { $stop['opacity'] = ord($col{4})/100; } // transparency from rgba() + else if ($col{0}==6) { $stop['opacity'] = ord($col{5})/100; } // transparency from cmyka() + else if ($col{0}==1 && $col{2}==1) { $stop['opacity'] = ord($col{3})/100; } // transparency converted from rgba or cmyka() + + if (isset($el[1]) && preg_match('/(\d+)[%]/',$el[1],$m)) { + $stop['offset'] = $m[1]/100; + if ($stop['offset']>1) { unset($stop['offset']); } + } + else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$el[1],$m)) { + $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); + $stop['offset'] = $el[1]; + } + $g['stops'][] = $stop; + } + if (count($g['stops'] )) { return $g; } + } + return array(); +} + +function parseBackgroundGradient($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); + $g = array(); + if (count($bgr)> 6) { + if (strtoupper(substr($bgr[0],0,1)) == 'L' && count($bgr)==7) { // linear + $g['type'] = 2; + //$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). + $g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6]); + } + else if (count($bgr)==8) { // radial + $g['type'] = 3; + // 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 + $g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6], $bgr[7]); + } + $g['colorspace'] = 'RGB'; + // mPDF 5.3.74 + $cor = $this->mpdf->ConvertColor($bgr[1]); + if ($cor{0}==1) $g['colorspace'] = 'Gray'; + else if ($cor{0}==4 || $cor{0}==6) $g['colorspace'] = 'CMYK'; + if ($cor) { $g['col'] = $cor; } + else { $g['col'] = $this->mpdf->ConvertColor(255); } + $cor = $this->mpdf->ConvertColor($bgr[2]); + if ($cor) { $g['col2'] = $cor; } + else { $g['col2'] = $this->mpdf->ConvertColor(255); } + $g['extend'] = array('true','true'); + $g['stops'] = array(array('col'=>$g['col'], 'opacity'=>1, 'offset'=>0), array('col'=>$g['col2'], 'opacity'=>1, 'offset'=>1)); + return $g; + } + return false; +} + + + +} + +?> \ No newline at end of file -- cgit v1.2.3