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Direktori : /home2/selectio/public_html/limpiar.in.net/install/vendor/mpdf/mpdf/src/Image/ |
Current File : //home2/selectio/public_html/limpiar.in.net/install/vendor/mpdf/mpdf/src/Image/Wmf.php |
<?php namespace Mpdf\Image; use Mpdf\Color\ColorConverter; use Mpdf\Mpdf; class Wmf { /** * @var \Mpdf\Mpdf */ private $mpdf; /** * @var \Mpdf\Color\ColorConverter */ private $colorConverter; /** * @var array */ private $gdiObjectArray; public function __construct(Mpdf $mpdf, ColorConverter $colorConverter) { $this->mpdf = $mpdf; $this->colorConverter = $colorConverter; } function _getWMFimage($data) { $k = Mpdf::SCALE; $this->gdiObjectArray = []; $a = unpack('stest', "\1\0"); if ($a['test'] != 1) { return [0, 'Error parsing WMF image - Big-endian architecture not supported']; } // check for Aldus placeable metafile header $key = unpack('Lmagic', substr($data, 0, 4)); $p = 18; // WMF header if ($key['magic'] == (int) 0x9AC6CDD7) { $p +=22; } // Aldus header // define some state variables $wo = null; // window origin $we = null; // window extent $polyFillMode = 0; $nullPen = false; $nullBrush = false; $endRecord = false; $wmfdata = ''; while ($p < strlen($data) && !$endRecord) { $recordInfo = unpack('Lsize/Sfunc', substr($data, $p, 6)); $p += 6; // size of record given in WORDs (= 2 bytes) $size = $recordInfo['size']; // func is number of GDI function $func = $recordInfo['func']; if ($size > 3) { $parms = substr($data, $p, 2 * ($size - 3)); $p += 2 * ($size - 3); } switch ($func) { case 0x020b: // SetWindowOrg // do not allow window origin to be changed // after drawing has begun if (!$wmfdata) { $wo = array_reverse(unpack('s2', $parms)); } break; case 0x020c: // SetWindowExt // do not allow window extent to be changed // after drawing has begun if (!$wmfdata) { $we = array_reverse(unpack('s2', $parms)); } break; case 0x02fc: // CreateBrushIndirect $brush = unpack('sstyle/Cr/Cg/Cb/Ca/Shatch', $parms); $brush['type'] = 'B'; $this->_AddGDIObject($brush); break; case 0x02fa: // CreatePenIndirect $pen = unpack('Sstyle/swidth/sdummy/Cr/Cg/Cb/Ca', $parms); // convert width from twips to user unit $pen['width'] /= (20 * $k); $pen['type'] = 'P'; $this->_AddGDIObject($pen); break; // MUST create other GDI objects even if we don't handle them case 0x06fe: // CreateBitmap case 0x02fd: // CreateBitmapIndirect case 0x00f8: // CreateBrush case 0x02fb: // CreateFontIndirect case 0x00f7: // CreatePalette case 0x01f9: // CreatePatternBrush case 0x06ff: // CreateRegion case 0x0142: // DibCreatePatternBrush $dummyObject = ['type' => 'D']; $this->_AddGDIObject($dummyObject); break; case 0x0106: // SetPolyFillMode $polyFillMode = unpack('smode', $parms); $polyFillMode = $polyFillMode['mode']; break; case 0x01f0: // DeleteObject $idx = unpack('Sidx', $parms); $idx = $idx['idx']; $this->_DeleteGDIObject($idx); break; case 0x012d: // SelectObject $idx = unpack('Sidx', $parms); $idx = $idx['idx']; $obj = $this->_GetGDIObject($idx); switch ($obj['type']) { case 'B': $nullBrush = false; if ($obj['style'] == 1) { $nullBrush = true; } else { $wmfdata .= $this->mpdf->SetFColor($this->colorConverter->convert('rgb(' . $obj['r'] . ',' . $obj['g'] . ',' . $obj['b'] . ')', $this->mpdf->PDFAXwarnings), true) . "\n"; } break; case 'P': $nullPen = false; $dashArray = []; // dash parameters are custom switch ($obj['style']) { case 0: // PS_SOLID break; case 1: // PS_DASH $dashArray = [3, 1]; break; case 2: // PS_DOT $dashArray = [0.5, 0.5]; break; case 3: // PS_DASHDOT $dashArray = [2, 1, 0.5, 1]; break; case 4: // PS_DASHDOTDOT $dashArray = [2, 1, 0.5, 1, 0.5, 1]; break; case 5: // PS_NULL $nullPen = true; break; } if (!$nullPen) { $wmfdata .= $this->mpdf->SetDColor($this->colorConverter->convert('rgb(' . $obj['r'] . ',' . $obj['g'] . ',' . $obj['b'] . ')', $this->mpdf->PDFAXwarnings), true) . "\n"; $wmfdata .= sprintf("%.3F w\n", $obj['width'] * $k); } if (!empty($dashArray)) { $s = '['; for ($i = 0; $i < count($dashArray); $i++) { $s .= $dashArray[$i] * $k; if ($i != count($dashArray) - 1) { $s .= ' '; } } $s .= '] 0 d'; $wmfdata .= $s . "\n"; } break; } break; case 0x0325: // Polyline case 0x0324: // Polygon $coords = unpack('s' . ($size - 3), $parms); $numpoints = $coords[1]; for ($i = $numpoints; $i > 0; $i--) { $px = $coords[2 * $i]; $py = $coords[2 * $i + 1]; if ($i < $numpoints) { $wmfdata .= $this->_LineTo($px, $py); } else { $wmfdata .= $this->_MoveTo($px, $py); } } if ($func == 0x0325) { $op = 's'; } elseif ($func == 0x0324) { if ($nullPen) { if ($nullBrush) { $op = 'n'; } // no op else { $op = 'f'; } // fill } else { if ($nullBrush) { $op = 's'; } // stroke else { $op = 'b'; } // stroke and fill } if ($polyFillMode == 1 && ($op == 'b' || $op == 'f')) { $op .= '*'; } // use even-odd fill rule } $wmfdata .= $op . "\n"; break; case 0x0538: // PolyPolygon $coords = unpack('s' . ($size - 3), $parms); $numpolygons = $coords[1]; $adjustment = $numpolygons; for ($j = 1; $j <= $numpolygons; $j++) { $numpoints = $coords[$j + 1]; for ($i = $numpoints; $i > 0; $i--) { $px = $coords[2 * $i + $adjustment]; $py = $coords[2 * $i + 1 + $adjustment]; if ($i == $numpoints) { $wmfdata .= $this->_MoveTo($px, $py); } else { $wmfdata .= $this->_LineTo($px, $py); } } $adjustment += $numpoints * 2; } if ($nullPen) { if ($nullBrush) { $op = 'n'; } // no op else { $op = 'f'; } // fill } else { if ($nullBrush) { $op = 's'; } // stroke else { $op = 'b'; } // stroke and fill } if ($polyFillMode == 1 && ($op == 'b' || $op == 'f')) { $op .= '*'; } // use even-odd fill rule $wmfdata .= $op . "\n"; break; case 0x0000: $endRecord = true; break; } } return [1, $wmfdata, $wo, $we]; } function _MoveTo($x, $y) { return "$x $y m\n"; } // a line must have been started using _MoveTo() first function _LineTo($x, $y) { return "$x $y l\n"; } function _AddGDIObject($obj) { // find next available slot $idx = 0; if (!empty($this->gdiObjectArray)) { $empty = false; $i = 0; while (!$empty) { $empty = !isset($this->gdiObjectArray[$i]); $i++; } $idx = $i - 1; } $this->gdiObjectArray[$idx] = $obj; } function _GetGDIObject($idx) { return $this->gdiObjectArray[$idx]; } function _DeleteGDIObject($idx) { unset($this->gdiObjectArray[$idx]); } }