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Mini Shell
<?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
* @version $Id: Font_Table_glyf.php 46 2012-04-02 20:22:38Z fabien.menager $
*/
namespace FontLib\Glyph;
/**
* Composite glyph outline
*
* @package php-font-lib
*/
class OutlineComposite extends Outline {
const ARG_1_AND_2_ARE_WORDS = 0x0001;
const ARGS_ARE_XY_VALUES = 0x0002;
const ROUND_XY_TO_GRID = 0x0004;
const WE_HAVE_A_SCALE = 0x0008;
const MORE_COMPONENTS = 0x0020;
const WE_HAVE_AN_X_AND_Y_SCALE = 0x0040;
const WE_HAVE_A_TWO_BY_TWO = 0x0080;
const WE_HAVE_INSTRUCTIONS = 0x0100;
const USE_MY_METRICS = 0x0200;
const OVERLAP_COMPOUND = 0x0400;
/**
* @var OutlineComponent[]
*/
public $components = array();
function getGlyphIDs() {
if (empty($this->components)) {
$this->parseData();
}
$glyphIDs = array();
foreach ($this->components as $_component) {
$glyphIDs[] = $_component->glyphIndex;
$_glyph = $this->table->data[$_component->glyphIndex];
if ($_glyph !== $this) {
$glyphIDs = array_merge($glyphIDs, $_glyph->getGlyphIDs());
}
}
return $glyphIDs;
}
/*function parse() {
//$this->parseData();
}*/
function parseData() {
parent::parseData();
$font = $this->getFont();
do {
$flags = $font->readUInt16();
$glyphIndex = $font->readUInt16();
$a = 1.0;
$b = 0.0;
$c = 0.0;
$d = 1.0;
$e = 0.0;
$f = 0.0;
$point_compound = null;
$point_component = null;
$instructions = null;
if ($flags & self::ARG_1_AND_2_ARE_WORDS) {
if ($flags & self::ARGS_ARE_XY_VALUES) {
$e = $font->readInt16();
$f = $font->readInt16();
}
else {
$point_compound = $font->readUInt16();
$point_component = $font->readUInt16();
}
}
else {
if ($flags & self::ARGS_ARE_XY_VALUES) {
$e = $font->readInt8();
$f = $font->readInt8();
}
else {
$point_compound = $font->readUInt8();
$point_component = $font->readUInt8();
}
}
if ($flags & self::WE_HAVE_A_SCALE) {
$a = $d = $font->readInt16();
}
elseif ($flags & self::WE_HAVE_AN_X_AND_Y_SCALE) {
$a = $font->readInt16();
$d = $font->readInt16();
}
elseif ($flags & self::WE_HAVE_A_TWO_BY_TWO) {
$a = $font->readInt16();
$b = $font->readInt16();
$c = $font->readInt16();
$d = $font->readInt16();
}
//if ($flags & self::WE_HAVE_INSTRUCTIONS) {
//
//}
$component = new OutlineComponent();
$component->flags = $flags;
$component->glyphIndex = $glyphIndex;
$component->a = $a;
$component->b = $b;
$component->c = $c;
$component->d = $d;
$component->e = $e;
$component->f = $f;
$component->point_compound = $point_compound;
$component->point_component = $point_component;
$component->instructions = $instructions;
$this->components[] = $component;
} while ($flags & self::MORE_COMPONENTS);
}
function encode() {
$font = $this->getFont();
$gids = $font->getSubset();
$size = $font->writeInt16(-1);
$size += $font->writeFWord($this->xMin);
$size += $font->writeFWord($this->yMin);
$size += $font->writeFWord($this->xMax);
$size += $font->writeFWord($this->yMax);
foreach ($this->components as $_i => $_component) {
$flags = 0;
if ($_component->point_component === null && $_component->point_compound === null) {
$flags |= self::ARGS_ARE_XY_VALUES;
if (abs($_component->e) > 0x7F || abs($_component->f) > 0x7F) {
$flags |= self::ARG_1_AND_2_ARE_WORDS;
}
}
elseif ($_component->point_component > 0xFF || $_component->point_compound > 0xFF) {
$flags |= self::ARG_1_AND_2_ARE_WORDS;
}
if ($_component->b == 0 && $_component->c == 0) {
if ($_component->a == $_component->d) {
if ($_component->a != 1.0) {
$flags |= self::WE_HAVE_A_SCALE;
}
}
else {
$flags |= self::WE_HAVE_AN_X_AND_Y_SCALE;
}
}
else {
$flags |= self::WE_HAVE_A_TWO_BY_TWO;
}
if ($_i < count($this->components) - 1) {
$flags |= self::MORE_COMPONENTS;
}
$size += $font->writeUInt16($flags);
$new_gid = array_search($_component->glyphIndex, $gids);
$size += $font->writeUInt16($new_gid);
if ($flags & self::ARG_1_AND_2_ARE_WORDS) {
if ($flags & self::ARGS_ARE_XY_VALUES) {
$size += $font->writeInt16($_component->e);
$size += $font->writeInt16($_component->f);
}
else {
$size += $font->writeUInt16($_component->point_compound);
$size += $font->writeUInt16($_component->point_component);
}
}
else {
if ($flags & self::ARGS_ARE_XY_VALUES) {
$size += $font->writeInt8($_component->e);
$size += $font->writeInt8($_component->f);
}
else {
$size += $font->writeUInt8($_component->point_compound);
$size += $font->writeUInt8($_component->point_component);
}
}
if ($flags & self::WE_HAVE_A_SCALE) {
$size += $font->writeInt16($_component->a);
}
elseif ($flags & self::WE_HAVE_AN_X_AND_Y_SCALE) {
$size += $font->writeInt16($_component->a);
$size += $font->writeInt16($_component->d);
}
elseif ($flags & self::WE_HAVE_A_TWO_BY_TWO) {
$size += $font->writeInt16($_component->a);
$size += $font->writeInt16($_component->b);
$size += $font->writeInt16($_component->c);
$size += $font->writeInt16($_component->d);
}
}
return $size;
}
public function getSVGContours() {
$contours = array();
/** @var \FontLib\Table\Type\glyf $glyph_data */
$glyph_data = $this->getFont()->getTableObject("glyf");
/** @var Outline[] $glyphs */
$glyphs = $glyph_data->data;
foreach ($this->components as $component) {
$_glyph = $glyphs[$component->glyphIndex];
if ($_glyph !== $this) {
$contours[] = array(
"contours" => $_glyph->getSVGContours(),
"transform" => $component->getMatrix(),
);
}
}
return $contours;
}
}
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