| 1 |
<?php |
| 2 |
|
| 3 |
class grad |
| 4 |
{ |
| 5 |
|
| 6 |
var $mpdf = null; |
| 7 |
|
| 8 |
public function __construct(mPDF $mpdf) |
| 9 |
{ |
| 10 |
$this->mpdf = $mpdf; |
| 11 |
} |
| 12 |
|
| 13 |
// mPDF 5.3.A1 |
| 14 |
function CoonsPatchMesh($x, $y, $w, $h, $patch_array = array(), $x_min = 0, $x_max = 1, $y_min = 0, $y_max = 1, $colspace = 'RGB', $return = false) |
| 15 |
{ |
| 16 |
$s = ' q '; |
| 17 |
$s.=sprintf(' %.3F %.3F %.3F %.3F re W n ', $x * _MPDFK, ($this->mpdf->h - $y) * _MPDFK, $w * _MPDFK, -$h * _MPDFK); |
| 18 |
$s.=sprintf(' %.3F 0 0 %.3F %.3F %.3F cm ', $w * _MPDFK, $h * _MPDFK, $x * _MPDFK, ($this->mpdf->h - ($y + $h)) * _MPDFK); |
| 19 |
$n = count($this->mpdf->gradients) + 1; |
| 20 |
$this->mpdf->gradients[$n]['type'] = 6; //coons patch mesh |
| 21 |
$this->mpdf->gradients[$n]['colorspace'] = $colspace; //coons patch mesh |
| 22 |
$bpcd = 65535; //16 BitsPerCoordinate |
| 23 |
$trans = false; |
| 24 |
$this->mpdf->gradients[$n]['stream'] = ''; |
| 25 |
for ($i = 0; $i < count($patch_array); $i++) { |
| 26 |
$this->mpdf->gradients[$n]['stream'].=chr($patch_array[$i]['f']); //start with the edge flag as 8 bit |
| 27 |
for ($j = 0; $j < count($patch_array[$i]['points']); $j++) { |
| 28 |
//each point as 16 bit |
| 29 |
if (($j % 2) == 1) { // Y coordinate (adjusted as input is From top left) |
| 30 |
$patch_array[$i]['points'][$j] = (($patch_array[$i]['points'][$j] - $y_min) / ($y_max - $y_min)) * $bpcd; |
| 31 |
$patch_array[$i]['points'][$j] = $bpcd - $patch_array[$i]['points'][$j]; |
| 32 |
} else { |
| 33 |
$patch_array[$i]['points'][$j] = (($patch_array[$i]['points'][$j] - $x_min) / ($x_max - $x_min)) * $bpcd; |
| 34 |
} |
| 35 |
if ($patch_array[$i]['points'][$j] < 0) |
| 36 |
$patch_array[$i]['points'][$j] = 0; |
| 37 |
if ($patch_array[$i]['points'][$j] > $bpcd) |
| 38 |
$patch_array[$i]['points'][$j] = $bpcd; |
| 39 |
$this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j] / 256)); |
| 40 |
$this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j] % 256)); |
| 41 |
} |
| 42 |
for ($j = 0; $j < count($patch_array[$i]['colors']); $j++) { |
| 43 |
//each color component as 8 bit |
| 44 |
if ($colspace == 'RGB') { |
| 45 |
$this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][1]); |
| 46 |
$this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][2]); |
| 47 |
$this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][3]); |
| 48 |
if (isset($patch_array[$i]['colors'][$j][4]) && ord($patch_array[$i]['colors'][$j][4]) < 100) { |
| 49 |
$trans = true; |
| 50 |
} |
| 51 |
} else if ($colspace == 'CMYK') { |
| 52 |
$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][1]) * 2.55); |
| 53 |
$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][2]) * 2.55); |
| 54 |
$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][3]) * 2.55); |
| 55 |
$this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][4]) * 2.55); |
| 56 |
if (isset($patch_array[$i]['colors'][$j][5]) && ord($patch_array[$i]['colors'][$j][5]) < 100) { |
| 57 |
$trans = true; |
| 58 |
} |
| 59 |
} else if ($colspace == 'Gray') { |
| 60 |
$this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][1]); |
| 61 |
if ($patch_array[$i]['colors'][$j][2] == 1) { |
| 62 |
$trans = true; |
| 63 |
} // transparency converted from rgba or cmyka() |
| 64 |
} |
| 65 |
} |
| 66 |
} |
| 67 |
// TRANSPARENCY |
| 68 |
if ($trans) { |
| 69 |
$this->mpdf->gradients[$n]['stream_trans'] = ''; |
| 70 |
for ($i = 0; $i < count($patch_array); $i++) { |
| 71 |
$this->mpdf->gradients[$n]['stream_trans'].=chr($patch_array[$i]['f']); |
| 72 |
for ($j = 0; $j < count($patch_array[$i]['points']); $j++) { |
| 73 |
//each point as 16 bit |
| 74 |
$this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j] / 256)); |
| 75 |
$this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j] % 256)); |
| 76 |
} |
| 77 |
for ($j = 0; $j < count($patch_array[$i]['colors']); $j++) { |
| 78 |
//each color component as 8 bit // OPACITY |
| 79 |
if ($colspace == 'RGB') { |
| 80 |
$this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][4]) * 2.55)); |
| 81 |
} else if ($colspace == 'CMYK') { |
| 82 |
$this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][5]) * 2.55)); |
| 83 |
} else if ($colspace == 'Gray') { |
| 84 |
$this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][3]) * 2.55)); |
| 85 |
} |
| 86 |
} |
| 87 |
} |
| 88 |
$this->mpdf->gradients[$n]['trans'] = true; |
| 89 |
$s .= ' /TGS' . $n . ' gs '; |
| 90 |
} |
| 91 |
//paint the gradient |
| 92 |
$s .= '/Sh' . $n . ' sh' . "\n"; |
| 93 |
//restore previous Graphic State |
| 94 |
$s .= 'Q' . "\n"; |
| 95 |
if ($return) { |
| 96 |
return $s; |
| 97 |
} else { |
| 98 |
$this->mpdf->_out($s); |
| 99 |
} |
| 100 |
} |
| 101 |
|
| 102 |
// type = linear:2; radial: 3; |
| 103 |
// Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg). |
| 104 |
// The default value is from left to right (x1=0, y1=0, x2=1, y2=0). |
| 105 |
// Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1, |
| 106 |
// (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg). |
| 107 |
// (fx, fy) should be inside the circle, otherwise some areas will not be defined |
| 108 |
// $col = array(R,G,B/255); or array(G/255); or array(C,M,Y,K/100) |
| 109 |
// $stops = array('col'=>$col [, 'opacity'=>0-1] [, 'offset'=>0-1]) |
| 110 |
function Gradient($x, $y, $w, $h, $type, $stops = array(), $colorspace = 'RGB', $coords = '', $extend = '', $return = false, $is_mask = false) |
| 111 |
{ |
| 112 |
if (strtoupper(substr($type, 0, 1)) == 'L') { |
| 113 |
$type = 2; |
| 114 |
} // linear |
| 115 |
else if (strtoupper(substr($type, 0, 1)) == 'R') { |
| 116 |
$type = 3; |
| 117 |
} // radial |
| 118 |
if ($colorspace != 'CMYK' && $colorspace != 'Gray') { |
| 119 |
$colorspace = 'RGB'; |
| 120 |
} |
| 121 |
$bboxw = $w; |
| 122 |
$bboxh = $h; |
| 123 |
$usex = $x; |
| 124 |
$usey = $y; |
| 125 |
$usew = $bboxw; |
| 126 |
$useh = $bboxh; |
| 127 |
|
| 128 |
if ($type < 1) { |
| 129 |
$type = 2; |
| 130 |
} |
| 131 |
if ($coords[0] !== false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $coords[0], $m)) { |
| 132 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 133 |
if ($tmp) { |
| 134 |
$coords[0] = $tmp / $w; |
| 135 |
} |
| 136 |
} |
| 137 |
if ($coords[1] !== false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $coords[1], $m)) { |
| 138 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 139 |
if ($tmp) { |
| 140 |
$coords[1] = 1 - ($tmp / $h); |
| 141 |
} |
| 142 |
} |
| 143 |
// LINEAR |
| 144 |
if ($type == 2) { |
| 145 |
$angle = (isset($coords[4]) ? $coords[4] : false); |
| 146 |
$repeat = (isset($coords[5]) ? $coords[5] : false); |
| 147 |
// ALL POINTS SET (default for custom mPDF linear gradient) - no -moz |
| 148 |
if ($coords[0] !== false && $coords[1] !== false && $coords[2] !== false && $coords[3] !== false) { |
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// do nothing - coords used as they are |
| 150 |
} |
| 151 |
|
| 152 |
// If both a <point> and <angle> are defined, the gradient axis starts from the point and runs along the angle. The end point is |
| 153 |
// defined as before - in this case start points may not be in corners, and axis may not correctly fall in the right quadrant. |
| 154 |
// NO end points (Angle defined & Start points) |
| 155 |
else if ($angle !== false && $coords[0] !== false && $coords[1] !== false && $coords[2] === false && $coords[3] === false) { |
| 156 |
if ($angle == 0 || $angle == 360) { |
| 157 |
$coords[3] = $coords[1]; |
| 158 |
if ($coords[0] == 1) |
| 159 |
$coords[2] = 2; |
| 160 |
else |
| 161 |
$coords[2] = 1; |
| 162 |
} |
| 163 |
else if ($angle == 90) { |
| 164 |
$coords[2] = $coords[0]; |
| 165 |
$coords[3] = 1; |
| 166 |
if ($coords[1] == 1) |
| 167 |
$coords[3] = 2; |
| 168 |
else |
| 169 |
$coords[3] = 1; |
| 170 |
} |
| 171 |
else if ($angle == 180) { |
| 172 |
if ($coords[4] == 0) |
| 173 |
$coords[2] = -1; |
| 174 |
else |
| 175 |
$coords[2] = 0; |
| 176 |
$coords[3] = $coords[1]; |
| 177 |
} |
| 178 |
else if ($angle == 270) { |
| 179 |
$coords[2] = $coords[0]; |
| 180 |
if ($coords[1] == 0) |
| 181 |
$coords[3] = -1; |
| 182 |
else |
| 183 |
$coords[3] = 0; |
| 184 |
} |
| 185 |
else { |
| 186 |
$endx = 1; |
| 187 |
$endy = 1; |
| 188 |
if ($angle <= 90) { |
| 189 |
if ($angle <= 45) { |
| 190 |
$endy = tan(deg2rad($angle)); |
| 191 |
} else { |
| 192 |
$endx = tan(deg2rad(90 - $angle)); |
| 193 |
} |
| 194 |
$b = atan2(($endy * $bboxh), ($endx * $bboxw)); |
| 195 |
$ny = 1 - $coords[1] - (tan($b) * (1 - $coords[0])); |
| 196 |
$tx = sin($b) * cos($b) * $ny; |
| 197 |
$ty = cos($b) * cos($b) * $ny; |
| 198 |
$coords[2] = 1 + $tx; |
| 199 |
$coords[3] = 1 - $ty; |
| 200 |
} else if ($angle <= 180) { |
| 201 |
if ($angle <= 135) { |
| 202 |
$endx = tan(deg2rad($angle - 90)); |
| 203 |
} else { |
| 204 |
$endy = tan(deg2rad(180 - $angle)); |
| 205 |
} |
| 206 |
$b = atan2(($endy * $bboxh), ($endx * $bboxw)); |
| 207 |
$ny = 1 - $coords[1] - (tan($b) * ($coords[0])); |
| 208 |
$tx = sin($b) * cos($b) * $ny; |
| 209 |
$ty = cos($b) * cos($b) * $ny; |
| 210 |
$coords[2] = -$tx; |
| 211 |
$coords[3] = 1 - $ty; |
| 212 |
} else if ($angle <= 270) { |
| 213 |
if ($angle <= 225) { |
| 214 |
$endy = tan(deg2rad($angle - 180)); |
| 215 |
} else { |
| 216 |
$endx = tan(deg2rad(270 - $angle)); |
| 217 |
} |
| 218 |
$b = atan2(($endy * $bboxh), ($endx * $bboxw)); |
| 219 |
$ny = $coords[1] - (tan($b) * ($coords[0])); |
| 220 |
$tx = sin($b) * cos($b) * $ny; |
| 221 |
$ty = cos($b) * cos($b) * $ny; |
| 222 |
$coords[2] = -$tx; |
| 223 |
$coords[3] = $ty; |
| 224 |
} else { |
| 225 |
if ($angle <= 315) { |
| 226 |
$endx = tan(deg2rad($angle - 270)); |
| 227 |
} else { |
| 228 |
$endy = tan(deg2rad(360 - $angle)); |
| 229 |
} |
| 230 |
$b = atan2(($endy * $bboxh), ($endx * $bboxw)); |
| 231 |
$ny = $coords[1] - (tan($b) * (1 - $coords[0])); |
| 232 |
$tx = sin($b) * cos($b) * $ny; |
| 233 |
$ty = cos($b) * cos($b) * $ny; |
| 234 |
$coords[2] = 1 + $tx; |
| 235 |
$coords[3] = $ty; |
| 236 |
} |
| 237 |
} |
| 238 |
} |
| 239 |
|
| 240 |
// -moz If the first parameter is only an <angle>, the gradient axis starts from the box's corner that would ensure the |
| 241 |
// axis goes through the box. The axis runs along the specified angle. The end point of the axis is defined such that the |
| 242 |
// farthest corner of the box from the starting point is perpendicular to the gradient axis at that point. |
| 243 |
// NO end points or Start points (Angle defined) |
| 244 |
else if ($angle !== false && $coords[0] === false && $coords[1] === false) { |
| 245 |
if ($angle == 0 || $angle == 360) { |
| 246 |
$coords[0] = 0; |
| 247 |
$coords[1] = 0; |
| 248 |
$coords[2] = 1; |
| 249 |
$coords[3] = 0; |
| 250 |
} else if ($angle == 90) { |
| 251 |
$coords[0] = 0; |
| 252 |
$coords[1] = 0; |
| 253 |
$coords[2] = 0; |
| 254 |
$coords[3] = 1; |
| 255 |
} else if ($angle == 180) { |
| 256 |
$coords[0] = 1; |
| 257 |
$coords[1] = 0; |
| 258 |
$coords[2] = 0; |
| 259 |
$coords[3] = 0; |
| 260 |
} else if ($angle == 270) { |
| 261 |
$coords[0] = 0; |
| 262 |
$coords[1] = 1; |
| 263 |
$coords[2] = 0; |
| 264 |
$coords[3] = 0; |
| 265 |
} else { |
| 266 |
if ($angle <= 90) { |
| 267 |
$coords[0] = 0; |
| 268 |
$coords[1] = 0; |
| 269 |
if ($angle <= 45) { |
| 270 |
$endx = 1; |
| 271 |
$endy = tan(deg2rad($angle)); |
| 272 |
} else { |
| 273 |
$endx = tan(deg2rad(90 - $angle)); |
| 274 |
$endy = 1; |
| 275 |
} |
| 276 |
} else if ($angle <= 180) { |
| 277 |
$coords[0] = 1; |
| 278 |
$coords[1] = 0; |
| 279 |
if ($angle <= 135) { |
| 280 |
$endx = tan(deg2rad($angle - 90)); |
| 281 |
$endy = 1; |
| 282 |
} else { |
| 283 |
$endx = 1; |
| 284 |
$endy = tan(deg2rad(180 - $angle)); |
| 285 |
} |
| 286 |
} else if ($angle <= 270) { |
| 287 |
$coords[0] = 1; |
| 288 |
$coords[1] = 1; |
| 289 |
if ($angle <= 225) { |
| 290 |
$endx = 1; |
| 291 |
$endy = tan(deg2rad($angle - 180)); |
| 292 |
} else { |
| 293 |
$endx = tan(deg2rad(270 - $angle)); |
| 294 |
$endy = 1; |
| 295 |
} |
| 296 |
} else { |
| 297 |
$coords[0] = 0; |
| 298 |
$coords[1] = 1; |
| 299 |
if ($angle <= 315) { |
| 300 |
$endx = tan(deg2rad($angle - 270)); |
| 301 |
$endy = 1; |
| 302 |
} else { |
| 303 |
$endx = 1; |
| 304 |
$endy = tan(deg2rad(360 - $angle)); |
| 305 |
} |
| 306 |
} |
| 307 |
$b = atan2(($endy * $bboxh), ($endx * $bboxw)); |
| 308 |
$h2 = $bboxh - ($bboxh * tan($b)); |
| 309 |
$px = $bboxh + ($h2 * sin($b) * cos($b)); |
| 310 |
$py = ($bboxh * tan($b)) + ($h2 * sin($b) * sin($b)); |
| 311 |
$x1 = $px / $bboxh; |
| 312 |
$y1 = $py / $bboxh; |
| 313 |
if ($angle <= 90) { |
| 314 |
$coords[2] = $x1; |
| 315 |
$coords[3] = $y1; |
| 316 |
} else if ($angle <= 180) { |
| 317 |
$coords[2] = 1 - $x1; |
| 318 |
$coords[3] = $y1; |
| 319 |
} else if ($angle <= 270) { |
| 320 |
$coords[2] = 1 - $x1; |
| 321 |
$coords[3] = 1 - $y1; |
| 322 |
} else { |
| 323 |
$coords[2] = $x1; |
| 324 |
$coords[3] = 1 - $y1; |
| 325 |
} |
| 326 |
} |
| 327 |
} |
| 328 |
// -moz If the first parameter to the gradient function is only a <point>, the gradient axis starts from the specified point, |
| 329 |
// and ends at the point you would get if you rotated the starting point by 180 degrees about the center of the box that the |
| 330 |
// gradient is to be applied to. |
| 331 |
// NO angle and NO end points (Start points defined) |
| 332 |
else if ((!isset($angle) || $angle === false) && $coords[0] !== false && $coords[1] !== false) { // should have start and end defined |
| 333 |
$coords[2] = 1 - $coords[0]; |
| 334 |
$coords[3] = 1 - $coords[1]; |
| 335 |
$angle = rad2deg(atan2($coords[3] - $coords[1], $coords[2] - $coords[0])); |
| 336 |
if ($angle < 0) { |
| 337 |
$angle += 360; |
| 338 |
} else if ($angle > 360) { |
| 339 |
$angle -= 360; |
| 340 |
} |
| 341 |
if ($angle != 0 && $angle != 360 && $angle != 90 && $angle != 180 && $angle != 270) { |
| 342 |
if ($w >= $h) { |
| 343 |
$coords[1] *= $h / $w; |
| 344 |
$coords[3] *= $h / $w; |
| 345 |
$usew = $useh = $bboxw; |
| 346 |
$usey -= ($w - $h); |
| 347 |
} else { |
| 348 |
$coords[0] *= $w / $h; |
| 349 |
$coords[2] *= $w / $h; |
| 350 |
$usew = $useh = $bboxh; |
| 351 |
} |
| 352 |
} |
| 353 |
} |
| 354 |
|
| 355 |
// -moz If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values, the gradient |
| 356 |
// axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. |
| 357 |
else { // default values T2B |
| 358 |
// All values are set in parseMozGradient - so won't appear here |
| 359 |
$coords = array(0, 0, 1, 0); // default for original linear gradient (L2R) |
| 360 |
} |
| 361 |
$s = ' q'; |
| 362 |
$s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x * _MPDFK, ($this->mpdf->h - $y) * _MPDFK, $w * _MPDFK, -$h * _MPDFK) . "\n"; |
| 363 |
$s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew * _MPDFK, $useh * _MPDFK, $usex * _MPDFK, ($this->mpdf->h - ($usey + $useh)) * _MPDFK) . "\n"; |
| 364 |
} |
| 365 |
|
| 366 |
// RADIAL |
| 367 |
else if ($type == 3) { |
| 368 |
$radius = (isset($coords[4]) ? $coords[4] : false); |
| 369 |
$angle = (isset($coords[5]) ? $coords[5] : false); // ?? no effect |
| 370 |
$shape = (isset($coords[6]) ? $coords[6] : false); |
| 371 |
$size = (isset($coords[7]) ? $coords[7] : false); |
| 372 |
$repeat = (isset($coords[8]) ? $coords[8] : false); |
| 373 |
// ALL POINTS AND RADIUS SET (default for custom mPDF radial gradient) - no -moz |
| 374 |
if ($coords[0] !== false && $coords[1] !== false && $coords[2] !== false && $coords[3] !== false && $coords[4] !== false) { |
| 375 |
// do nothing - coords used as they are |
| 376 |
} |
| 377 |
// If a <point> is defined |
| 378 |
else if ($shape !== false && $size !== false) { |
| 379 |
if ($coords[2] == false) { |
| 380 |
$coords[2] = $coords[0]; |
| 381 |
} |
| 382 |
if ($coords[3] == false) { |
| 383 |
$coords[3] = $coords[1]; |
| 384 |
} |
| 385 |
// ELLIPSE |
| 386 |
if ($shape == 'ellipse') { |
| 387 |
$corner1 = sqrt(pow($coords[0], 2) + pow($coords[1], 2)); |
| 388 |
$corner2 = sqrt(pow($coords[0], 2) + pow((1 - $coords[1]), 2)); |
| 389 |
$corner3 = sqrt(pow((1 - $coords[0]), 2) + pow($coords[1], 2)); |
| 390 |
$corner4 = sqrt(pow((1 - $coords[0]), 2) + pow((1 - $coords[1]), 2)); |
| 391 |
if ($size == 'closest-side') { |
| 392 |
$radius = min($coords[0], $coords[1], (1 - $coords[0]), (1 - $coords[1])); |
| 393 |
} else if ($size == 'closest-corner') { |
| 394 |
$radius = min($corner1, $corner2, $corner3, $corner4); |
| 395 |
} else if ($size == 'farthest-side') { |
| 396 |
$radius = max($coords[0], $coords[1], (1 - $coords[0]), (1 - $coords[1])); |
| 397 |
} else { |
| 398 |
$radius = max($corner1, $corner2, $corner3, $corner4); |
| 399 |
} // farthest corner (default) |
| 400 |
} |
| 401 |
// CIRCLE |
| 402 |
else if ($shape == 'circle') { |
| 403 |
if ($w >= $h) { |
| 404 |
$coords[1] = $coords[3] = ($coords[1] * $h / $w); |
| 405 |
$corner1 = sqrt(pow($coords[0], 2) + pow($coords[1], 2)); |
| 406 |
$corner2 = sqrt(pow($coords[0], 2) + pow((($h / $w) - $coords[1]), 2)); |
| 407 |
$corner3 = sqrt(pow((1 - $coords[0]), 2) + pow($coords[1], 2)); |
| 408 |
$corner4 = sqrt(pow((1 - $coords[0]), 2) + pow((($h / $w) - $coords[1]), 2)); |
| 409 |
if ($size == 'closest-side') { |
| 410 |
$radius = min($coords[0], $coords[1], (1 - $coords[0]), (($h / $w) - $coords[1])); |
| 411 |
} else if ($size == 'closest-corner') { |
| 412 |
$radius = min($corner1, $corner2, $corner3, $corner4); |
| 413 |
} else if ($size == 'farthest-side') { |
| 414 |
$radius = max($coords[0], $coords[1], (1 - $coords[0]), (($h / $w) - $coords[1])); |
| 415 |
} else if ($size == 'farthest-corner') { |
| 416 |
$radius = max($corner1, $corner2, $corner3, $corner4); |
| 417 |
} // farthest corner (default) |
| 418 |
$usew = $useh = $bboxw; |
| 419 |
$usey -= ($w - $h); |
| 420 |
} else { |
| 421 |
$coords[0] = $coords[2] = ($coords[0] * $w / $h); |
| 422 |
$corner1 = sqrt(pow($coords[0], 2) + pow($coords[1], 2)); |
| 423 |
$corner2 = sqrt(pow($coords[0], 2) + pow((1 - $coords[1]), 2)); |
| 424 |
$corner3 = sqrt(pow((($w / $h) - $coords[0]), 2) + pow($coords[1], 2)); |
| 425 |
$corner4 = sqrt(pow((($w / $h) - $coords[0]), 2) + pow((1 - $coords[1]), 2)); |
| 426 |
if ($size == 'closest-side') { |
| 427 |
$radius = min($coords[0], $coords[1], (($w / $h) - $coords[0]), (1 - $coords[1])); |
| 428 |
} else if ($size == 'closest-corner') { |
| 429 |
$radius = min($corner1, $corner2, $corner3, $corner4); |
| 430 |
} else if ($size == 'farthest-side') { |
| 431 |
$radius = max($coords[0], $coords[1], (($w / $h) - $coords[0]), (1 - $coords[1])); |
| 432 |
} else if ($size == 'farthest-corner') { |
| 433 |
$radius = max($corner1, $corner2, $corner3, $corner4); |
| 434 |
} // farthest corner (default) |
| 435 |
$usew = $useh = $bboxh; |
| 436 |
} |
| 437 |
} |
| 438 |
if ($radius == 0) { |
| 439 |
$radius = 0.001; |
| 440 |
} // to prevent error |
| 441 |
$coords[4] = $radius; |
| 442 |
} |
| 443 |
|
| 444 |
// -moz If entire function consists of only <stop> values |
| 445 |
else { // default values |
| 446 |
// All values are set in parseMozGradient - so won't appear here |
| 447 |
$coords = array(0.5, 0.5, 0.5, 0.5); // default for radial gradient (centred) |
| 448 |
} |
| 449 |
$s = ' q'; |
| 450 |
$s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x * _MPDFK, ($this->mpdf->h - $y) * _MPDFK, $w * _MPDFK, -$h * _MPDFK) . "\n"; |
| 451 |
$s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew * _MPDFK, $useh * _MPDFK, $usex * _MPDFK, ($this->mpdf->h - ($usey + $useh)) * _MPDFK) . "\n"; |
| 452 |
} |
| 453 |
|
| 454 |
$n = count($this->mpdf->gradients) + 1; |
| 455 |
$this->mpdf->gradients[$n]['type'] = $type; |
| 456 |
$this->mpdf->gradients[$n]['colorspace'] = $colorspace; |
| 457 |
$trans = false; |
| 458 |
$this->mpdf->gradients[$n]['is_mask'] = $is_mask; |
| 459 |
if ($is_mask) { |
| 460 |
$trans = true; |
| 461 |
} |
| 462 |
if (count($stops) == 1) { |
| 463 |
$stops[1] = $stops[0]; |
| 464 |
} |
| 465 |
if (!isset($stops[0]['offset'])) { |
| 466 |
$stops[0]['offset'] = 0; |
| 467 |
} |
| 468 |
if (!isset($stops[(count($stops) - 1)]['offset'])) { |
| 469 |
$stops[(count($stops) - 1)]['offset'] = 1; |
| 470 |
} |
| 471 |
|
| 472 |
// Fix stop-offsets set as absolute lengths |
| 473 |
if ($type == 2) { |
| 474 |
$axisx = ($coords[2] - $coords[0]) * $usew; |
| 475 |
$axisy = ($coords[3] - $coords[1]) * $useh; |
| 476 |
$axis_length = sqrt(pow($axisx, 2) + pow($axisy, 2)); |
| 477 |
} else { |
| 478 |
$axis_length = $coords[4] * $usew; |
| 479 |
} // Absolute lengths are meaningless for an ellipse - Firefox uses Width as reference |
| 480 |
|
| 481 |
for ($i = 0; $i < count($stops); $i++) { |
| 482 |
if (isset($stops[$i]['offset']) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $stops[$i]['offset'], $m)) { |
| 483 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 484 |
$stops[$i]['offset'] = $tmp / $axis_length; |
| 485 |
} |
| 486 |
} |
| 487 |
|
| 488 |
|
| 489 |
if (isset($stops[0]['offset']) && $stops[0]['offset'] > 0) { |
| 490 |
$firststop = $stops[0]; |
| 491 |
$firststop['offset'] = 0; |
| 492 |
array_unshift($stops, $firststop); |
| 493 |
} |
| 494 |
if (!$repeat && isset($stops[(count($stops) - 1)]['offset']) && $stops[(count($stops) - 1)]['offset'] < 1) { |
| 495 |
$endstop = $stops[(count($stops) - 1)]; |
| 496 |
$endstop['offset'] = 1; |
| 497 |
$stops[] = $endstop; |
| 498 |
} |
| 499 |
if ($stops[0]['offset'] > $stops[(count($stops) - 1)]['offset']) { |
| 500 |
$stops[0]['offset'] = 0; |
| 501 |
$stops[(count($stops) - 1)]['offset'] = 1; |
| 502 |
} |
| 503 |
|
| 504 |
for ($i = 0; $i < count($stops); $i++) { |
| 505 |
// mPDF 5.3.74 |
| 506 |
if ($colorspace == 'CMYK') { |
| 507 |
$this->mpdf->gradients[$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[$i]['col'][4]) / 100)); |
| 508 |
} else if ($colorspace == 'Gray') { |
| 509 |
$this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F', (ord($stops[$i]['col'][1]) / 255)); |
| 510 |
} else { |
| 511 |
$this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F %.3F %.3F', (ord($stops[$i]['col'][1]) / 255), (ord($stops[$i]['col'][2]) / 255), (ord($stops[$i]['col'][3]) / 255)); |
| 512 |
} |
| 513 |
if (!isset($stops[$i]['opacity'])) { |
| 514 |
$stops[$i]['opacity'] = 1; |
| 515 |
} else if ($stops[$i]['opacity'] > 1 || $stops[$i]['opacity'] < 0) { |
| 516 |
$stops[$i]['opacity'] = 1; |
| 517 |
} else if ($stops[$i]['opacity'] < 1) { |
| 518 |
$trans = true; |
| 519 |
} |
| 520 |
$this->mpdf->gradients[$n]['stops'][$i]['opacity'] = $stops[$i]['opacity']; |
| 521 |
// OFFSET |
| 522 |
if ($i > 0 && $i < (count($stops) - 1)) { |
| 523 |
if (!isset($stops[$i]['offset']) || (isset($stops[$i + 1]['offset']) && $stops[$i]['offset'] > $stops[$i + 1]['offset']) || $stops[$i]['offset'] < $stops[$i - 1]['offset']) { |
| 524 |
if (isset($stops[$i - 1]['offset']) && isset($stops[$i + 1]['offset'])) { |
| 525 |
$stops[$i]['offset'] = ($stops[$i - 1]['offset'] + $stops[$i + 1]['offset']) / 2; |
| 526 |
} else { |
| 527 |
for ($j = ($i + 1); $j < count($stops); $j++) { |
| 528 |
if (isset($stops[$j]['offset'])) { |
| 529 |
break; |
| 530 |
} |
| 531 |
} |
| 532 |
$int = ($stops[$j]['offset'] - $stops[($i - 1)]['offset']) / ($j - $i + 1); |
| 533 |
for ($f = 0; $f < ($j - $i - 1); $f++) { |
| 534 |
$stops[($i + $f)]['offset'] = $stops[($i + $f - 1)]['offset'] + ($int); |
| 535 |
} |
| 536 |
} |
| 537 |
} |
| 538 |
} |
| 539 |
$this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; |
| 540 |
$this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; |
| 541 |
} |
| 542 |
|
| 543 |
if ($repeat) { |
| 544 |
$ns = count($this->mpdf->gradients[$n]['stops']); |
| 545 |
$offs = array(); |
| 546 |
for ($i = 0; $i < $ns; $i++) { |
| 547 |
$offs[$i] = $this->mpdf->gradients[$n]['stops'][$i]['offset']; |
| 548 |
} |
| 549 |
$gp = 0; |
| 550 |
$inside = true; |
| 551 |
while ($inside) { |
| 552 |
$gp++; |
| 553 |
for ($i = 0; $i < $ns; $i++) { |
| 554 |
$this->mpdf->gradients[$n]['stops'][(($ns * $gp) + $i)] = $this->mpdf->gradients[$n]['stops'][(($ns * ($gp - 1)) + $i)]; |
| 555 |
$tmp = $this->mpdf->gradients[$n]['stops'][(($ns * ($gp - 1)) + ($ns - 1))]['offset'] + $offs[$i]; |
| 556 |
if ($tmp < 1) { |
| 557 |
$this->mpdf->gradients[$n]['stops'][(($ns * $gp) + $i)]['offset'] = $tmp; |
| 558 |
} else { |
| 559 |
$this->mpdf->gradients[$n]['stops'][(($ns * $gp) + $i)]['offset'] = 1; |
| 560 |
$inside = false; |
| 561 |
break(2); |
| 562 |
} |
| 563 |
} |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
if ($trans) { |
| 568 |
$this->mpdf->gradients[$n]['trans'] = true; |
| 569 |
$s .= ' /TGS' . $n . ' gs '; |
| 570 |
} |
| 571 |
if (!is_array($extend) || count($extend) < 1) { |
| 572 |
$extend = array('true', 'true'); // These are supposed to be quoted - appear in PDF file as text |
| 573 |
} |
| 574 |
$this->mpdf->gradients[$n]['coords'] = $coords; |
| 575 |
$this->mpdf->gradients[$n]['extend'] = $extend; |
| 576 |
//paint the gradient |
| 577 |
$s .= '/Sh' . $n . ' sh ' . "\n"; |
| 578 |
//restore previous Graphic State |
| 579 |
$s .= ' Q ' . "\n"; |
| 580 |
if ($return) { |
| 581 |
return $s; |
| 582 |
} else { |
| 583 |
$this->mpdf->_out($s); |
| 584 |
} |
| 585 |
} |
| 586 |
|
| 587 |
function parseMozGradient($bg) |
| 588 |
{ |
| 589 |
// background[-image]: -moz-linear-gradient(left, #c7Fdde 20%, #FF0000 ); |
| 590 |
// background[-image]: linear-gradient(left, #c7Fdde 20%, #FF0000 ); // CSS3 |
| 591 |
if (preg_match('/repeating-/', $bg)) { |
| 592 |
$repeat = true; |
| 593 |
} else { |
| 594 |
$repeat = false; |
| 595 |
} |
| 596 |
if (preg_match('/linear-gradient\((.*)\)/', $bg, $m)) { |
| 597 |
$g = array(); |
| 598 |
$g['type'] = 2; |
| 599 |
$g['colorspace'] = 'RGB'; |
| 600 |
$g['extend'] = array('true', 'true'); |
| 601 |
$v = trim($m[1]); |
| 602 |
// Change commas inside e.g. rgb(x,x,x) |
| 603 |
while (preg_match('/(\([^\)]*?),/', $v)) { |
| 604 |
$v = preg_replace('/(\([^\)]*?),/', '\\1@', $v); |
| 605 |
} |
| 606 |
// Remove spaces inside e.g. rgb(x, x, x) |
| 607 |
while (preg_match('/(\([^\)]*?)[ ]/', $v)) { |
| 608 |
$v = preg_replace('/(\([^\)]*?)[ ]/', '\\1', $v); |
| 609 |
} |
| 610 |
$bgr = preg_split('/\s*,\s*/', $v); |
| 611 |
for ($i = 0; $i < count($bgr); $i++) { |
| 612 |
$bgr[$i] = preg_replace('/@/', ',', $bgr[$i]); |
| 613 |
} |
| 614 |
// Is first part $bgr[0] a valid point/angle? |
| 615 |
$first = preg_split('/\s+/', trim($bgr[0])); |
| 616 |
if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i', $bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i', $bgr[0])) { |
| 617 |
$startStops = 1; |
| 618 |
} else if (trim($first[(count($first) - 1)]) === "0") { |
| 619 |
$startStops = 1; |
| 620 |
} else { |
| 621 |
$check = $this->mpdf->ConvertColor($first[0]); |
| 622 |
if ($check) |
| 623 |
$startStops = 0; |
| 624 |
else |
| 625 |
$startStops = 1; |
| 626 |
} |
| 627 |
// first part a valid point/angle? |
| 628 |
if ($startStops == 1) { // default values |
| 629 |
// [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,] |
| 630 |
if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i', $bgr[0], $m)) { |
| 631 |
$angle = $m[1] + 0; |
| 632 |
if (strtolower($m[2]) == 'deg') { |
| 633 |
$angle = $angle; |
| 634 |
} else if (strtolower($m[2]) == 'grad') { |
| 635 |
$angle *= (360 / 400); |
| 636 |
} else if (strtolower($m[2]) == 'rad') { |
| 637 |
$angle = rad2deg($angle); |
| 638 |
} |
| 639 |
while ($angle < 0) { |
| 640 |
$angle += 360; |
| 641 |
} |
| 642 |
$angle = ($angle % 360); |
| 643 |
} else if (trim($first[(count($first) - 1)]) === "0") { |
| 644 |
$angle = 0; |
| 645 |
} |
| 646 |
if (preg_match('/left/i', $bgr[0])) { |
| 647 |
$startx = 0; |
| 648 |
} else if (preg_match('/right/i', $bgr[0])) { |
| 649 |
$startx = 1; |
| 650 |
} |
| 651 |
if (preg_match('/top/i', $bgr[0])) { |
| 652 |
$starty = 1; |
| 653 |
} else if (preg_match('/bottom/i', $bgr[0])) { |
| 654 |
$starty = 0; |
| 655 |
} |
| 656 |
// Check for %? ?% or %% |
| 657 |
if (preg_match('/(\d+)[%]/i', $first[0], $m)) { |
| 658 |
$startx = $m[1] / 100; |
| 659 |
} else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[0], $m)) { |
| 660 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 661 |
if ($tmp) { |
| 662 |
$startx = $m[1]; |
| 663 |
} |
| 664 |
} |
| 665 |
if (isset($first[1]) && preg_match('/(\d+)[%]/i', $first[1], $m)) { |
| 666 |
$starty = 1 - ($m[1] / 100); |
| 667 |
} else if (!isset($starty) && isset($first[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[1], $m)) { |
| 668 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 669 |
if ($tmp) { |
| 670 |
$starty = $m[1]; |
| 671 |
} |
| 672 |
} |
| 673 |
if (isset($startx) && !isset($starty)) { |
| 674 |
$starty = 0.5; |
| 675 |
} |
| 676 |
if (!isset($startx) && isset($starty)) { |
| 677 |
$startx = 0.5; |
| 678 |
} |
| 679 |
} |
| 680 |
// 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. |
| 681 |
else { // default values T2B |
| 682 |
$starty = 1; |
| 683 |
$startx = 0.5; |
| 684 |
$endy = 0; |
| 685 |
$endx = 0.5; |
| 686 |
} |
| 687 |
$coords = array(); |
| 688 |
if (!isset($startx)) { |
| 689 |
$startx = false; |
| 690 |
} |
| 691 |
if (!isset($starty)) { |
| 692 |
$starty = false; |
| 693 |
} |
| 694 |
if (!isset($endx)) { |
| 695 |
$endx = false; |
| 696 |
} |
| 697 |
if (!isset($endy)) { |
| 698 |
$endy = false; |
| 699 |
} |
| 700 |
if (!isset($angle)) { |
| 701 |
$angle = false; |
| 702 |
} |
| 703 |
$g['coords'] = array($startx, $starty, $endx, $endy, $angle, $repeat); |
| 704 |
$g['stops'] = array(); |
| 705 |
for ($i = $startStops; $i < count($bgr); $i++) { |
| 706 |
$stop = array(); |
| 707 |
// parse stops |
| 708 |
$el = preg_split('/\s+/', trim($bgr[$i])); |
| 709 |
// mPDF 5.3.74 |
| 710 |
$col = $this->mpdf->ConvertColor($el[0]); |
| 711 |
if ($col) { |
| 712 |
$stop['col'] = $col; |
| 713 |
} else { |
| 714 |
$stop['col'] = $col = $this->mpdf->ConvertColor(255); |
| 715 |
} |
| 716 |
if ($col[0] == 1) |
| 717 |
$g['colorspace'] = 'Gray'; |
| 718 |
else if ($col[0] == 4 || $col[0] == 6) |
| 719 |
$g['colorspace'] = 'CMYK'; |
| 720 |
if ($col[0] == 5) { |
| 721 |
$stop['opacity'] = ord($col[4]) / 100; |
| 722 |
} // transparency from rgba() |
| 723 |
else if ($col[0] == 6) { |
| 724 |
$stop['opacity'] = ord($col[5]) / 100; |
| 725 |
} // transparency from cmyka() |
| 726 |
else if ($col[0] == 1 && $col[2] == 1) { |
| 727 |
$stop['opacity'] = ord($col[3]) / 100; |
| 728 |
} // transparency converted from rgba or cmyka() |
| 729 |
|
| 730 |
if (isset($el[1]) && preg_match('/(\d+)[%]/', $el[1], $m)) { |
| 731 |
$stop['offset'] = $m[1] / 100; |
| 732 |
if ($stop['offset'] > 1) { |
| 733 |
unset($stop['offset']); |
| 734 |
} |
| 735 |
} else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $el[1], $m)) { |
| 736 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 737 |
if ($tmp) { |
| 738 |
$stop['offset'] = $m[1]; |
| 739 |
} |
| 740 |
} |
| 741 |
$g['stops'][] = $stop; |
| 742 |
} |
| 743 |
if (count($g['stops'])) { |
| 744 |
return $g; |
| 745 |
} |
| 746 |
} else if (preg_match('/radial-gradient\((.*)\)/', $bg, $m)) { |
| 747 |
$g = array(); |
| 748 |
$g['type'] = 3; |
| 749 |
$g['colorspace'] = 'RGB'; |
| 750 |
$g['extend'] = array('true', 'true'); |
| 751 |
$v = trim($m[1]); |
| 752 |
// Change commas inside e.g. rgb(x,x,x) |
| 753 |
while (preg_match('/(\([^\)]*?),/', $v)) { |
| 754 |
$v = preg_replace('/(\([^\)]*?),/', '\\1@', $v); |
| 755 |
} |
| 756 |
// Remove spaces inside e.g. rgb(x, x, x) |
| 757 |
while (preg_match('/(\([^\)]*?)[ ]/', $v)) { |
| 758 |
$v = preg_replace('/(\([^\)]*?)[ ]/', '\\1', $v); |
| 759 |
} |
| 760 |
$bgr = preg_split('/\s*,\s*/', $v); |
| 761 |
for ($i = 0; $i < count($bgr); $i++) { |
| 762 |
$bgr[$i] = preg_replace('/@/', ',', $bgr[$i]); |
| 763 |
} |
| 764 |
|
| 765 |
// Is first part $bgr[0] a valid point/angle? |
| 766 |
$startStops = 0; |
| 767 |
$pos_angle = false; |
| 768 |
$shape_size = false; |
| 769 |
$first = preg_split('/\s+/', trim($bgr[0])); |
| 770 |
$checkCol = $this->mpdf->ConvertColor($first[0]); |
| 771 |
if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i', $bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i', $bgr[0])) { |
| 772 |
$startStops = 1; |
| 773 |
$pos_angle = $bgr[0]; |
| 774 |
} else if (trim($first[(count($first) - 1)]) === "0") { |
| 775 |
$startStops = 1; |
| 776 |
$pos_angle = $bgr[0]; |
| 777 |
} else if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $bgr[0])) { |
| 778 |
$startStops = 1; |
| 779 |
$shape_size = $bgr[0]; |
| 780 |
} else if (!$checkCol) { |
| 781 |
$startStops = 1; |
| 782 |
$pos_angle = $bgr[0]; |
| 783 |
} |
| 784 |
if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $bgr[1])) { |
| 785 |
$startStops = 2; |
| 786 |
$shape_size = $bgr[1]; |
| 787 |
} |
| 788 |
|
| 789 |
// If valid point/angle? |
| 790 |
if ($pos_angle) { // default values |
| 791 |
// [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,] |
| 792 |
if (preg_match('/left/i', $pos_angle)) { |
| 793 |
$startx = 0; |
| 794 |
} else if (preg_match('/right/i', $pos_angle)) { |
| 795 |
$startx = 1; |
| 796 |
} |
| 797 |
if (preg_match('/top/i', $pos_angle)) { |
| 798 |
$starty = 1; |
| 799 |
} else if (preg_match('/bottom/i', $pos_angle)) { |
| 800 |
$starty = 0; |
| 801 |
} |
| 802 |
// Check for %? ?% or %% |
| 803 |
if (preg_match('/(\d+)[%]/i', $first[0], $m)) { |
| 804 |
$startx = $m[1] / 100; |
| 805 |
} else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[0], $m)) { |
| 806 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 807 |
if ($tmp) { |
| 808 |
$startx = $m[1]; |
| 809 |
} |
| 810 |
} |
| 811 |
if (isset($first[1]) && preg_match('/(\d+)[%]/i', $first[1], $m)) { |
| 812 |
$starty = 1 - ($m[1] / 100); |
| 813 |
} else if (!isset($starty) && isset($first[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $first[1], $m)) { |
| 814 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 815 |
if ($tmp) { |
| 816 |
$starty = $m[1]; |
| 817 |
} |
| 818 |
} |
| 819 |
|
| 820 |
/* |
| 821 |
// ?? Angle has no effect in radial gradient (does not exist in CSS3 spec.) |
| 822 |
if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i',$pos_angle,$m)) { |
| 823 |
$angle = $m[1] + 0; |
| 824 |
if (strtolower($m[2])=='deg') { $angle = $angle; } |
| 825 |
else if (strtolower($m[2])=='grad') { $angle *= (360/400); } |
| 826 |
else if (strtolower($m[2])=='rad') { $angle = rad2deg($angle); } |
| 827 |
while($angle < 0) { $angle += 360; } |
| 828 |
$angle = ($angle % 360); |
| 829 |
} |
| 830 |
*/ |
| 831 |
if (!isset($starty)) { |
| 832 |
$starty = 0.5; |
| 833 |
} |
| 834 |
if (!isset($startx)) { |
| 835 |
$startx = 0.5; |
| 836 |
} |
| 837 |
} |
| 838 |
// 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. |
| 839 |
else { // default values Center |
| 840 |
$starty = 0.5; |
| 841 |
$startx = 0.5; |
| 842 |
$endy = 0.5; |
| 843 |
$endx = 0.5; |
| 844 |
} |
| 845 |
|
| 846 |
// If valid shape/size? |
| 847 |
$shape = 'ellipse'; // default |
| 848 |
$size = 'farthest-corner'; // default |
| 849 |
if ($shape_size) { // default values |
| 850 |
if (preg_match('/(circle|ellipse)/i', $shape_size, $m)) { |
| 851 |
$shape = $m[1]; |
| 852 |
} |
| 853 |
if (preg_match('/(closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i', $shape_size, $m)) { |
| 854 |
$size = $m[1]; |
| 855 |
if ($size == 'contain') { |
| 856 |
$size = 'closest-side'; |
| 857 |
} else if ($size == 'cover') { |
| 858 |
$size = 'farthest-corner'; |
| 859 |
} |
| 860 |
} |
| 861 |
} |
| 862 |
|
| 863 |
$coords = array(); |
| 864 |
if (!isset($startx)) { |
| 865 |
$startx = false; |
| 866 |
} |
| 867 |
if (!isset($starty)) { |
| 868 |
$starty = false; |
| 869 |
} |
| 870 |
if (!isset($endx)) { |
| 871 |
$endx = false; |
| 872 |
} |
| 873 |
if (!isset($endy)) { |
| 874 |
$endy = false; |
| 875 |
} |
| 876 |
if (!isset($radius)) { |
| 877 |
$radius = false; |
| 878 |
} |
| 879 |
if (!isset($angle)) { |
| 880 |
$angle = 0; |
| 881 |
} |
| 882 |
$g['coords'] = array($startx, $starty, $endx, $endy, $radius, $angle, $shape, $size, $repeat); |
| 883 |
|
| 884 |
$g['stops'] = array(); |
| 885 |
for ($i = $startStops; $i < count($bgr); $i++) { |
| 886 |
$stop = array(); |
| 887 |
// parse stops |
| 888 |
$el = preg_split('/\s+/', trim($bgr[$i])); |
| 889 |
// mPDF 5.3.74 |
| 890 |
$col = $this->mpdf->ConvertColor($el[0]); |
| 891 |
if ($col) { |
| 892 |
$stop['col'] = $col; |
| 893 |
} else { |
| 894 |
$stop['col'] = $col = $this->mpdf->ConvertColor(255); |
| 895 |
} |
| 896 |
if ($col[0] == 1) |
| 897 |
$g['colorspace'] = 'Gray'; |
| 898 |
else if ($col[0] == 4 || $col[0] == 6) |
| 899 |
$g['colorspace'] = 'CMYK'; |
| 900 |
if ($col[0] == 5) { |
| 901 |
$stop['opacity'] = ord($col[4]) / 100; |
| 902 |
} // transparency from rgba() |
| 903 |
else if ($col[0] == 6) { |
| 904 |
$stop['opacity'] = ord($col[5]) / 100; |
| 905 |
} // transparency from cmyka() |
| 906 |
else if ($col[0] == 1 && $col[2] == 1) { |
| 907 |
$stop['opacity'] = ord($col[3]) / 100; |
| 908 |
} // transparency converted from rgba or cmyka() |
| 909 |
|
| 910 |
if (isset($el[1]) && preg_match('/(\d+)[%]/', $el[1], $m)) { |
| 911 |
$stop['offset'] = $m[1] / 100; |
| 912 |
if ($stop['offset'] > 1) { |
| 913 |
unset($stop['offset']); |
| 914 |
} |
| 915 |
} else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i', $el[1], $m)) { |
| 916 |
$tmp = $this->mpdf->ConvertSize($m[1], $this->mpdf->w, $this->mpdf->FontSize, false); |
| 917 |
$stop['offset'] = $el[1]; |
| 918 |
} |
| 919 |
$g['stops'][] = $stop; |
| 920 |
} |
| 921 |
if (count($g['stops'])) { |
| 922 |
return $g; |
| 923 |
} |
| 924 |
} |
| 925 |
return array(); |
| 926 |
} |
| 927 |
|
| 928 |
function parseBackgroundGradient($bg) |
| 929 |
{ |
| 930 |
// background-gradient: linear #00FFFF #FFFF00 0 0.5 1 0.5; or |
| 931 |
// background-gradient: radial #00FFFF #FFFF00 0.5 0.5 1 1 1.2; |
| 932 |
|
| 933 |
$v = trim($bg); |
| 934 |
$bgr = preg_split('/\s+/', $v); |
| 935 |
$g = array(); |
| 936 |
if (count($bgr) > 6) { |
| 937 |
if (strtoupper(substr($bgr[0], 0, 1)) == 'L' && count($bgr) == 7) { // linear |
| 938 |
$g['type'] = 2; |
| 939 |
//$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 |
| 940 |
// Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg). |
| 941 |
// The default value is from left to right (x1=0, y1=0, x2=1, y2=0). |
| 942 |
$g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6]); |
| 943 |
} else if (count($bgr) == 8) { // radial |
| 944 |
$g['type'] = 3; |
| 945 |
// Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1, |
| 946 |
// (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg). |
| 947 |
// (fx, fy) should be inside the circle, otherwise some areas will not be defined |
| 948 |
$g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6], $bgr[7]); |
| 949 |
} |
| 950 |
$g['colorspace'] = 'RGB'; |
| 951 |
// mPDF 5.3.74 |
| 952 |
$cor = $this->mpdf->ConvertColor($bgr[1]); |
| 953 |
if ($cor[0] == 1) |
| 954 |
$g['colorspace'] = 'Gray'; |
| 955 |
else if ($cor[0] == 4 || $cor[0] == 6) |
| 956 |
$g['colorspace'] = 'CMYK'; |
| 957 |
if ($cor) { |
| 958 |
$g['col'] = $cor; |
| 959 |
} else { |
| 960 |
$g['col'] = $this->mpdf->ConvertColor(255); |
| 961 |
} |
| 962 |
$cor = $this->mpdf->ConvertColor($bgr[2]); |
| 963 |
if ($cor) { |
| 964 |
$g['col2'] = $cor; |
| 965 |
} else { |
| 966 |
$g['col2'] = $this->mpdf->ConvertColor(255); |
| 967 |
} |
| 968 |
$g['extend'] = array('true', 'true'); |
| 969 |
$g['stops'] = array(array('col' => $g['col'], 'opacity' => 1, 'offset' => 0), array('col' => $g['col2'], 'opacity' => 1, 'offset' => 1)); |
| 970 |
return $g; |
| 971 |
} |
| 972 |
return false; |
| 973 |
} |
| 974 |
|
| 975 |
} |
| 976 |
|
