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<?php /** * @package php-font-lib * @link https://github.com/PhenX/php-font-lib * @author Fabien Ménager <fabien.menager@gmail.com> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */
require_once dirname(__FILE__) . "/Font_Glyph_Outline.php";
/** * `glyf` font table. * * @package php-font-lib * @property Font_Glyph_Outline[] $data */ class Font_Table_glyf extends Font_Table { protected function _parse(){ $font = $this->getFont(); $offset = $font->pos();
$loca = $font->getData("loca"); $real_loca = array_slice($loca, 0, -1); // Not the last dummy loca entry
$data = array();
foreach($real_loca as $gid => $location) { $_offset = $offset + $loca[$gid]; $_size = $loca[$gid+1] - $loca[$gid]; $data[$gid] = Font_Glyph_Outline::init($this, $_offset, $_size); }
$this->data = $data; }
public function getGlyphIDs($gids = array()){ $glyphIDs = array();
foreach ($gids as $_gid) { $_glyph = $this->data[$_gid]; $glyphIDs = array_merge($glyphIDs, $_glyph->getGlyphIDs()); }
return array_unique(array_merge($gids, $glyphIDs)); }
public function toHTML(){ $max = 160; $font = $this->getFont();
$head = $font->getData("head"); $head_json = json_encode($head);
$os2 = $font->getData("OS/2"); $os2_json = json_encode($os2);
$hmtx = $font->getData("hmtx"); $hmtx_json = json_encode($hmtx);
$names = $font->getData("post", "names"); $glyphIndexArray = array_flip($font->getUnicodeCharMap());
$width = (abs($head["xMin"]) + $head["xMax"]); $height = (abs($head["yMin"]) + $head["yMax"]);
$ratio = 1; if ($width > $max || $height > $max) { $ratio = max($width, $height) / $max; $width = round($width/$ratio); $height = round($height/$ratio); }
$n = 500;
$s = "<h3>"."Only the first $n simple glyphs are shown (".count($this->data)." total) <div class='glyph-view simple'>Simple glyph</div> <div class='glyph-view composite'>Composite glyph</div> Zoom: <input type='range' value='100' max='400' onchange='Glyph.resize(this.value)' /> </h3> <script> Glyph.ratio = $ratio; Glyph.head = $head_json; Glyph.os2 = $os2_json; Glyph.hmtx = $hmtx_json; Glyph.width = $width; Glyph.height = $height; </script>";
foreach($this->data as $g => $glyph) { if ($n-- <= 0) { break; }
$glyph->parseData();
$shape = array( "SVGContours" => $glyph->getSVGContours(), "xMin" => $glyph->xMin, "yMin" => $glyph->yMin, "xMax" => $glyph->xMax, "yMax" => $glyph->yMax, ); $shape_json = json_encode($shape);
$type = ($glyph instanceof Font_Glyph_Outline_Simple ? "simple" : "composite"); $char = isset($glyphIndexArray[$g]) ? $glyphIndexArray[$g] : 0; $name = isset($names[$g]) ? $names[$g] : sprintf("uni%04x", $char); $char = $char ? "&#{$glyphIndexArray[$g]};" : "";
$s .= "<div class='glyph-view $type' id='glyph-$g'> <span class='glyph-id'>$g</span> <span class='char'>$char</span> <span class='char-name'>$name</span> ";
if ($type == "composite") { foreach ($glyph->getGlyphIDs() as $_id) { $s .= "<a href='#glyph-$_id' class='glyph-component-id'>$_id</a> "; } }
$s .= "<br /> <canvas width='$width' height='$height' id='glyph-canvas-$g'></canvas> </div> <script>Glyph.glyphs.push([$g,$shape_json]);</script>"; }
return $s; }
protected function _encode() { $font = $this->getFont(); $subset = $font->getSubset(); $data = $this->data;
$loca = array();
$length = 0; foreach($subset as $gid) { $loca[] = $length; $length += $data[$gid]->encode(); }
$loca[] = $length; // dummy loca $font->getTableObject("loca")->data = $loca;
return $length; } }
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