/** * Embedd a Scalable Vector Graphics (SVG) image. * NOTE: SVG standard is not yet fully implemented, use the setRasterizeVectorImages() method to enable/disable rasterization of vector images using ImageMagick library. * @param $file (string) Name of the SVG file or a '@' character followed by the SVG data string. * @param $x (float) Abscissa of the upper-left corner. * @param $y (float) Ordinate of the upper-left corner. * @param $w (float) Width of the image in the page. If not specified or equal to zero, it is automatically calculated. * @param $h (float) Height of the image in the page. If not specified or equal to zero, it is automatically calculated. * @param $link (mixed) URL or identifier returned by AddLink(). * @param $align (string) Indicates the alignment of the pointer next to image insertion relative to image height. The value can be:<ul><li>T: top-right for LTR or top-left for RTL</li><li>M: middle-right for LTR or middle-left for RTL</li><li>B: bottom-right for LTR or bottom-left for RTL</li><li>N: next line</li></ul> If the alignment is an empty string, then the pointer will be restored on the starting SVG position. * @param $palign (string) Allows to center or align the image on the current line. Possible values are:<ul><li>L : left align</li><li>C : center</li><li>R : right align</li><li>'' : empty string : left for LTR or right for RTL</li></ul> * @param $border (mixed) Indicates if borders must be drawn around the cell. The value can be a number:<ul><li>0: no border (default)</li><li>1: frame</li></ul> or a string containing some or all of the following characters (in any order):<ul><li>L: left</li><li>T: top</li><li>R: right</li><li>B: bottom</li></ul> or an array of line styles for each border group - for example: array('LTRB' => array('width' => 2, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(0, 0, 0))) * @param $fitonpage (boolean) if true the image is resized to not exceed page dimensions. * @author Nicola Asuni * @since 5.0.000 (2010-05-02) * @public */ public function ImageSVG($file, $x = '', $y = '', $w = 0, $h = 0, $link = '', $align = '', $palign = '', $border = 0, $fitonpage = false) { if ($this->state != 2) { return; } if ($this->rasterize_vector_images and $w > 0 and $h > 0) { // convert SVG to raster image using GD or ImageMagick libraries return $this->Image($file, $x, $y, $w, $h, 'SVG', $link, $align, true, 300, $palign, false, false, $border, false, false, false); } if ($file[0] === '@') { // image from string $this->svgdir = ''; $svgdata = substr($file, 1); } else { // SVG file $this->svgdir = dirname($file); $svgdata = TCPDF_STATIC::fileGetContents($file); } if ($svgdata === FALSE) { $this->Error('SVG file not found: ' . $file); } if ($x === '') { $x = $this->x; } if ($y === '') { $y = $this->y; } // check page for no-write regions and adapt page margins if necessary list($x, $y) = $this->checkPageRegions($h, $x, $y); $k = $this->k; $ox = 0; $oy = 0; $ow = $w; $oh = $h; $aspect_ratio_align = 'xMidYMid'; $aspect_ratio_ms = 'meet'; $regs = array(); // get original image width and height preg_match('/<svg([^\\>]*)>/si', $svgdata, $regs); if (isset($regs[1]) and !empty($regs[1])) { $tmp = array(); if (preg_match('/[\\s]+x[\\s]*=[\\s]*"([^"]*)"/si', $regs[1], $tmp)) { $ox = $this->getHTMLUnitToUnits($tmp[1], 0, $this->svgunit, false); } $tmp = array(); if (preg_match('/[\\s]+y[\\s]*=[\\s]*"([^"]*)"/si', $regs[1], $tmp)) { $oy = $this->getHTMLUnitToUnits($tmp[1], 0, $this->svgunit, false); } $tmp = array(); if (preg_match('/[\\s]+width[\\s]*=[\\s]*"([^"]*)"/si', $regs[1], $tmp)) { $ow = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false); } $tmp = array(); if (preg_match('/[\\s]+height[\\s]*=[\\s]*"([^"]*)"/si', $regs[1], $tmp)) { $oh = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false); } $tmp = array(); $view_box = array(); if (preg_match('/[\\s]+viewBox[\\s]*=[\\s]*"[\\s]*([0-9\\.\\-]+)[\\s]+([0-9\\.\\-]+)[\\s]+([0-9\\.]+)[\\s]+([0-9\\.]+)[\\s]*"/si', $regs[1], $tmp)) { if (count($tmp) == 5) { array_shift($tmp); foreach ($tmp as $key => $val) { $view_box[$key] = $this->getHTMLUnitToUnits($val, 0, $this->svgunit, false); } $ox = $view_box[0]; $oy = $view_box[1]; } // get aspect ratio $tmp = array(); if (preg_match('/[\\s]+preserveAspectRatio[\\s]*=[\\s]*"([^"]*)"/si', $regs[1], $tmp)) { $aspect_ratio = preg_split('/[\\s]+/si', $tmp[1]); switch (count($aspect_ratio)) { case 3: $aspect_ratio_align = $aspect_ratio[1]; $aspect_ratio_ms = $aspect_ratio[2]; break; case 2: $aspect_ratio_align = $aspect_ratio[0]; $aspect_ratio_ms = $aspect_ratio[1]; break; case 1: $aspect_ratio_align = $aspect_ratio[0]; $aspect_ratio_ms = 'meet'; break; } } } } if ($ow <= 0) { $ow = 1; } if ($oh <= 0) { $oh = 1; } // calculate image width and height on document if ($w <= 0 and $h <= 0) { // convert image size to document unit $w = $ow; $h = $oh; } elseif ($w <= 0) { $w = $h * $ow / $oh; } elseif ($h <= 0) { $h = $w * $oh / $ow; } // fit the image on available space list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, $fitonpage); if ($this->rasterize_vector_images) { // convert SVG to raster image using GD or ImageMagick libraries return $this->Image($file, $x, $y, $w, $h, 'SVG', $link, $align, true, 300, $palign, false, false, $border, false, false, false); } // set alignment $this->img_rb_y = $y + $h; // set alignment if ($this->rtl) { if ($palign == 'L') { $ximg = $this->lMargin; } elseif ($palign == 'C') { $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2; } elseif ($palign == 'R') { $ximg = $this->w - $this->rMargin - $w; } else { $ximg = $x - $w; } $this->img_rb_x = $ximg; } else { if ($palign == 'L') { $ximg = $this->lMargin; } elseif ($palign == 'C') { $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2; } elseif ($palign == 'R') { $ximg = $this->w - $this->rMargin - $w; } else { $ximg = $x; } $this->img_rb_x = $ximg + $w; } // store current graphic vars $gvars = $this->getGraphicVars(); // store SVG position and scale factors $svgoffset_x = ($ximg - $ox) * $this->k; $svgoffset_y = -($y - $oy) * $this->k; if (isset($view_box[2]) and $view_box[2] > 0 and $view_box[3] > 0) { $ow = $view_box[2]; $oh = $view_box[3]; } else { if ($ow <= 0) { $ow = $w; } if ($oh <= 0) { $oh = $h; } } $svgscale_x = $w / $ow; $svgscale_y = $h / $oh; // scaling and alignment if ($aspect_ratio_align != 'none') { // store current scaling values $svgscale_old_x = $svgscale_x; $svgscale_old_y = $svgscale_y; // force uniform scaling if ($aspect_ratio_ms == 'slice') { // the entire viewport is covered by the viewBox if ($svgscale_x > $svgscale_y) { $svgscale_y = $svgscale_x; } elseif ($svgscale_x < $svgscale_y) { $svgscale_x = $svgscale_y; } } else { // meet // the entire viewBox is visible within the viewport if ($svgscale_x < $svgscale_y) { $svgscale_y = $svgscale_x; } elseif ($svgscale_x > $svgscale_y) { $svgscale_x = $svgscale_y; } } // correct X alignment switch (substr($aspect_ratio_align, 1, 3)) { case 'Min': // do nothing break; case 'Max': $svgoffset_x += $w * $this->k - $ow * $this->k * $svgscale_x; break; default: case 'Mid': $svgoffset_x += ($w * $this->k - $ow * $this->k * $svgscale_x) / 2; break; } // correct Y alignment switch (substr($aspect_ratio_align, 5)) { case 'Min': // do nothing break; case 'Max': $svgoffset_y -= $h * $this->k - $oh * $this->k * $svgscale_y; break; default: case 'Mid': $svgoffset_y -= ($h * $this->k - $oh * $this->k * $svgscale_y) / 2; break; } } // store current page break mode $page_break_mode = $this->AutoPageBreak; $page_break_margin = $this->getBreakMargin(); $cell_padding = $this->cell_padding; $this->SetCellPadding(0); $this->SetAutoPageBreak(false); // save the current graphic state $this->_out('q' . $this->epsmarker); // set initial clipping mask $this->Rect($x, $y, $w, $h, 'CNZ', array(), array()); // scale and translate $e = $ox * $this->k * (1 - $svgscale_x); $f = ($this->h - $oy) * $this->k * (1 - $svgscale_y); $this->_out(sprintf('%F %F %F %F %F %F cm', $svgscale_x, 0, 0, $svgscale_y, $e + $svgoffset_x, $f + $svgoffset_y)); // creates a new XML parser to be used by the other XML functions $this->parser = xml_parser_create('UTF-8'); // the following function allows to use parser inside object xml_set_object($this->parser, $this); // disable case-folding for this XML parser xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0); // sets the element handler functions for the XML parser xml_set_element_handler($this->parser, 'startSVGElementHandler', 'endSVGElementHandler'); // sets the character data handler function for the XML parser xml_set_character_data_handler($this->parser, 'segSVGContentHandler'); // start parsing an XML document if (!xml_parse($this->parser, $svgdata)) { $error_message = sprintf('SVG Error: %s at line %d', xml_error_string(xml_get_error_code($this->parser)), xml_get_current_line_number($this->parser)); $this->Error($error_message); } // free this XML parser xml_parser_free($this->parser); // restore previous graphic state $this->_out($this->epsmarker . 'Q'); // restore graphic vars $this->setGraphicVars($gvars); $this->lasth = $gvars['lasth']; if (!empty($border)) { $bx = $this->x; $by = $this->y; $this->x = $ximg; if ($this->rtl) { $this->x += $w; } $this->y = $y; $this->Cell($w, $h, '', $border, 0, '', 0, '', 0, true); $this->x = $bx; $this->y = $by; } if ($link) { $this->Link($ximg, $y, $w, $h, $link, 0); } // set pointer to align the next text/objects switch ($align) { case 'T': $this->y = $y; $this->x = $this->img_rb_x; break; case 'M': $this->y = $y + round($h / 2); $this->x = $this->img_rb_x; break; case 'B': $this->y = $this->img_rb_y; $this->x = $this->img_rb_x; break; case 'N': $this->SetY($this->img_rb_y); break; default: // restore pointer to starting position $this->x = $gvars['x']; $this->y = $gvars['y']; $this->page = $gvars['page']; $this->current_column = $gvars['current_column']; $this->tMargin = $gvars['tMargin']; $this->bMargin = $gvars['bMargin']; $this->w = $gvars['w']; $this->h = $gvars['h']; $this->wPt = $gvars['wPt']; $this->hPt = $gvars['hPt']; $this->fwPt = $gvars['fwPt']; $this->fhPt = $gvars['fhPt']; break; } $this->endlinex = $this->img_rb_x; // restore page break $this->SetAutoPageBreak($page_break_mode, $page_break_margin); $this->cell_padding = $cell_padding; }