diff options
Diffstat (limited to '')
| -rw-r--r-- | library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Glyph/OutlineComposite.php | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Glyph/OutlineComposite.php b/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Glyph/OutlineComposite.php new file mode 100644 index 0000000..8ab0d2c --- /dev/null +++ b/library/vendor/dompdf/vendor/phenx/php-font-lib/src/FontLib/Glyph/OutlineComposite.php @@ -0,0 +1,242 @@ +<?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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