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* @license GNU LGPLv3+ http://www.gnu.org/copyleft/lesser.html */ namespace Svg; use Svg\Tag\AbstractTag; class Style { const TYPE_COLOR = 1; const TYPE_LENGTH = 2; const TYPE_NAME = 3; const TYPE_ANGLE = 4; const TYPE_NUMBER = 5; public $color; public $opacity; public $display; public $fill; public $fillOpacity; public $fillRule; public $stroke; public $strokeOpacity; public $strokeLinecap; public $strokeLinejoin; public $strokeMiterlimit; public $strokeWidth; public $strokeDasharray; public $strokeDashoffset; public $fontFamily = 'serif'; public $fontSize = 12; public $fontWeight = 'normal'; public $fontStyle = 'normal'; public $textAnchor = 'start'; protected function getStyleMap() { return array( 'color' => array('color', self::TYPE_COLOR), 'opacity' => array('opacity', self::TYPE_NUMBER), 'display' => array('display', self::TYPE_NAME), 'fill' => array('fill', self::TYPE_COLOR), 'fill-opacity' => array('fillOpacity', self::TYPE_NUMBER), 'fill-rule' => array('fillRule', self::TYPE_NAME), 'stroke' => array('stroke', self::TYPE_COLOR), 'stroke-dasharray' => array('strokeDasharray', self::TYPE_NAME), 'stroke-dashoffset' => array('strokeDashoffset', self::TYPE_NUMBER), 'stroke-linecap' => array('strokeLinecap', self::TYPE_NAME), 'stroke-linejoin' => array('strokeLinejoin', self::TYPE_NAME), 'stroke-miterlimit' => array('strokeMiterlimit', self::TYPE_NUMBER), 'stroke-opacity' => array('strokeOpacity', self::TYPE_NUMBER), 'stroke-width' => array('strokeWidth', self::TYPE_NUMBER), 'font-family' => array('fontFamily', self::TYPE_NAME), 'font-size' => array('fontSize', self::TYPE_NUMBER), 'font-weight' => array('fontWeight', self::TYPE_NAME), 'font-style' => array('fontStyle', self::TYPE_NAME), 'text-anchor' => array('textAnchor', self::TYPE_NAME), ); } /** * @param $attributes * * @return Style */ public function fromAttributes($attributes) { $this->fillStyles($attributes); if (isset($attributes["style"])) { $styles = self::parseCssStyle($attributes["style"]); $this->fillStyles($styles); } } public function inherit(AbstractTag $tag) { $group = $tag->getParentGroup(); if ($group) { $parent_style = $group->getStyle(); foreach ($parent_style as $_key => $_value) { if ($_value !== null) { $this->$_key = $_value; } } } } public function fromStyleSheets(AbstractTag $tag, $attributes) { $class = isset($attributes["class"]) ? preg_split('/\s+/', trim($attributes["class"])) : null; $stylesheets = $tag->getDocument()->getStyleSheets(); $styles = array(); foreach ($stylesheets as $_sc) { /** @var \Sabberworm\CSS\RuleSet\DeclarationBlock $_decl */ foreach ($_sc->getAllDeclarationBlocks() as $_decl) { /** @var \Sabberworm\CSS\Property\Selector $_selector */ foreach ($_decl->getSelectors() as $_selector) { $_selector = $_selector->getSelector(); // Match class name if ($class !== null) { foreach ($class as $_class) { if ($_selector === ".$_class") { /** @var \Sabberworm\CSS\Rule\Rule $_rule */ foreach ($_decl->getRules() as $_rule) { $styles[$_rule->getRule()] = $_rule->getValue() . ""; } break 2; } } } // Match tag name if ($_selector === $tag->tagName) { /** @var \Sabberworm\CSS\Rule\Rule $_rule */ foreach ($_decl->getRules() as $_rule) { $styles[$_rule->getRule()] = $_rule->getValue() . ""; } break; } } } } $this->fillStyles($styles); } protected function fillStyles($styles) { foreach ($this->getStyleMap() as $from => $spec) { if (isset($styles[$from])) { list($to, $type) = $spec; $value = null; switch ($type) { case self::TYPE_COLOR: $value = self::parseColor($styles[$from]); break; case self::TYPE_NUMBER: $value = ($styles[$from] === null) ? null : (float)$styles[$from]; break; default: $value = $styles[$from]; } if ($value !== null) { $this->$to = $value; } } } } static function parseColor($color) { $color = strtolower(trim($color)); $parts = preg_split('/[^,]\s+/', $color, 2); if (count($parts) == 2) { $color = $parts[1]; } else { $color = $parts[0]; } if ($color === "none") { return "none"; } // SVG color name if (isset(self::$colorNames[$color])) { return self::parseHexColor(self::$colorNames[$color]); } // Hex color if ($color[0] === "#") { return self::parseHexColor($color); } // RGB color if (strpos($color, "rgb") !== false) { return self::getTriplet($color); } // RGB color if (strpos($color, "hsl") !== false) { $triplet = self::getTriplet($color, true); if ($triplet == null) { return null; } list($h, $s, $l) = $triplet; $r = $l; $g = $l; $b = $l; $v = ($l <= 0.5) ? ($l * (1.0 + $s)) : ($l + $s - $l * $s); if ($v > 0) { $m = $l + $l - $v; $sv = ($v - $m) / $v; $h *= 6.0; $sextant = floor($h); $fract = $h - $sextant; $vsf = $v * $sv * $fract; $mid1 = $m + $vsf; $mid2 = $v - $vsf; switch ($sextant) { case 0: $r = $v; $g = $mid1; $b = $m; break; case 1: $r = $mid2; $g = $v; $b = $m; break; case 2: $r = $m; $g = $v; $b = $mid1; break; case 3: $r = $m; $g = $mid2; $b = $v; break; case 4: $r = $mid1; $g = $m; $b = $v; break; case 5: $r = $v; $g = $m; $b = $mid2; break; } } return array( $r * 255.0, $g * 255.0, $b * 255.0, ); } // Gradient if (strpos($color, "url(#") !== false) { $i = strpos($color, "("); $j = strpos($color, ")"); // Bad url format if ($i === false || $j === false) { return null; } return trim(substr($color, $i + 1, $j - $i - 1)); } return null; } static function getTriplet($color, $percent = false) { $i = strpos($color, "("); $j = strpos($color, ")"); // Bad color value if ($i === false || $j === false) { return null; } $triplet = preg_split("/\\s*,\\s*/", trim(substr($color, $i + 1, $j - $i - 1))); if (count($triplet) != 3) { return null; } foreach (array_keys($triplet) as $c) { $triplet[$c] = trim($triplet[$c]); if ($percent) { if ($triplet[$c][strlen($triplet[$c]) - 1] === "%") { $triplet[$c] = floatval($triplet[$c]) / 100; } else { $triplet[$c] = $triplet[$c] / 255; } } else { if ($triplet[$c][strlen($triplet[$c]) - 1] === "%") { $triplet[$c] = round(floatval($triplet[$c]) * 2.55); } } } return $triplet; } static function parseHexColor($hex) { $c = array(0, 0, 0); // #FFFFFF if (isset($hex[6])) { $c[0] = hexdec(substr($hex, 1, 2)); $c[1] = hexdec(substr($hex, 3, 2)); $c[2] = hexdec(substr($hex, 5, 2)); } else { $c[0] = hexdec($hex[1] . $hex[1]); $c[1] = hexdec($hex[2] . $hex[2]); $c[2] = hexdec($hex[3] . $hex[3]); } return $c; } /** * Simple CSS parser * * @param $style * * @return array */ static function parseCssStyle($style) { $matches = array(); preg_match_all("/([a-z-]+)\\s*:\\s*([^;$]+)/si", $style, $matches, PREG_SET_ORDER); $styles = array(); foreach ($matches as $match) { $styles[$match[1]] = $match[2]; } return $styles; } /** * Convert a size to a float * * @param string $size SVG size * @param float $dpi DPI * @param float $referenceSize Reference size * * @return float|null */ static function convertSize($size, $referenceSize = 11.0, $dpi = 96.0) { $size = trim(strtolower($size)); if (is_numeric($size)) { return $size; } if ($pos = strpos($size, "px")) { return floatval(substr($size, 0, $pos)); } if ($pos = strpos($size, "pt")) { return floatval(substr($size, 0, $pos)); } if ($pos = strpos($size, "cm")) { return floatval(substr($size, 0, $pos)) * $dpi; } if ($pos = strpos($size, "%")) { return $referenceSize * substr($size, 0, $pos) / 100; } if ($pos = strpos($size, "em")) { return $referenceSize * substr($size, 0, $pos); } // TODO cm, mm, pc, in, etc return null; } static $colorNames = array( 'antiquewhite' => '#FAEBD7', 'aqua' => '#00FFFF', 'aquamarine' => '#7FFFD4', 'beige' => '#F5F5DC', 'black' => '#000000', 'blue' => '#0000FF', 'brown' => '#A52A2A', 'cadetblue' => '#5F9EA0', 'chocolate' => '#D2691E', 'cornflowerblue' => '#6495ED', 'crimson' => '#DC143C', 'darkblue' => '#00008B', 'darkgoldenrod' => '#B8860B', 'darkgreen' => '#006400', 'darkmagenta' => '#8B008B', 'darkorange' => '#FF8C00', 'darkred' => '#8B0000', 'darkseagreen' => '#8FBC8F', 'darkslategray' => '#2F4F4F', 'darkviolet' => '#9400D3', 'deepskyblue' => '#00BFFF', 'dodgerblue' => '#1E90FF', 'firebrick' => '#B22222', 'forestgreen' => '#228B22', 'fuchsia' => '#FF00FF', 'gainsboro' => '#DCDCDC', 'gold' => '#FFD700', 'gray' => '#808080', 'green' => '#008000', 'greenyellow' => '#ADFF2F', 'hotpink' => '#FF69B4', 'indigo' => '#4B0082', 'khaki' => '#F0E68C', 'lavenderblush' => '#FFF0F5', 'lemonchiffon' => '#FFFACD', 'lightcoral' => '#F08080', 'lightgoldenrodyellow' => '#FAFAD2', 'lightgreen' => '#90EE90', 'lightsalmon' => '#FFA07A', 'lightskyblue' => '#87CEFA', 'lightslategray' => '#778899', 'lightyellow' => '#FFFFE0', 'lime' => '#00FF00', 'limegreen' => '#32CD32', 'magenta' => '#FF00FF', 'maroon' => '#800000', 'mediumaquamarine' => '#66CDAA', 'mediumorchid' => '#BA55D3', 'mediumseagreen' => '#3CB371', 'mediumspringgreen' => '#00FA9A', 'mediumvioletred' => '#C71585', 'midnightblue' => '#191970', 'mintcream' => '#F5FFFA', 'moccasin' => '#FFE4B5', 'navy' => '#000080', 'olive' => '#808000', 'orange' => '#FFA500', 'orchid' => '#DA70D6', 'palegreen' => '#98FB98', 'palevioletred' => '#D87093', 'peachpuff' => '#FFDAB9', 'pink' => '#FFC0CB', 'powderblue' => '#B0E0E6', 'purple' => '#800080', 'red' => '#FF0000', 'royalblue' => '#4169E1', 'salmon' => '#FA8072', 'seagreen' => '#2E8B57', 'sienna' => '#A0522D', 'silver' => '#C0C0C0', 'skyblue' => '#87CEEB', 'slategray' => '#708090', 'springgreen' => '#00FF7F', 'steelblue' => '#4682B4', 'tan' => '#D2B48C', 'teal' => '#008080', 'thistle' => '#D8BFD8', 'turquoise' => '#40E0D0', 'violetred' => '#D02090', 'white' => '#FFFFFF', 'yellow' => '#FFFF00', 'aliceblue' => '#f0f8ff', 'azure' => '#f0ffff', 'bisque' => '#ffe4c4', 'blanchedalmond' => '#ffebcd', 'blueviolet' => '#8a2be2', 'burlywood' => '#deb887', 'chartreuse' => '#7fff00', 'coral' => '#ff7f50', 'cornsilk' => '#fff8dc', 'cyan' => '#00ffff', 'darkcyan' => '#008b8b', 'darkgray' => '#a9a9a9', 'darkgrey' => '#a9a9a9', 'darkkhaki' => '#bdb76b', 'darkolivegreen' => '#556b2f', 'darkorchid' => '#9932cc', 'darksalmon' => '#e9967a', 'darkslateblue' => '#483d8b', 'darkslategrey' => '#2f4f4f', 'darkturquoise' => '#00ced1', 'deeppink' => '#ff1493', 'dimgray' => '#696969', 'dimgrey' => '#696969', 'floralwhite' => '#fffaf0', 'ghostwhite' => '#f8f8ff', 'goldenrod' => '#daa520', 'grey' => '#808080', 'honeydew' => '#f0fff0', 'indianred' => '#cd5c5c', 'ivory' => '#fffff0', 'lavender' => '#e6e6fa', 'lawngreen' => '#7cfc00', 'lightblue' => '#add8e6', 'lightcyan' => '#e0ffff', 'lightgray' => '#d3d3d3', 'lightgrey' => '#d3d3d3', 'lightpink' => '#ffb6c1', 'lightseagreen' => '#20b2aa', 'lightslategrey' => '#778899', 'lightsteelblue' => '#b0c4de', 'linen' => '#faf0e6', 'mediumblue' => '#0000cd', 'mediumpurple' => '#9370db', 'mediumslateblue' => '#7b68ee', 'mediumturquoise' => '#48d1cc', 'mistyrose' => '#ffe4e1', 'navajowhite' => '#ffdead', 'oldlace' => '#fdf5e6', 'olivedrab' => '#6b8e23', 'orangered' => '#ff4500', 'palegoldenrod' => '#eee8aa', 'paleturquoise' => '#afeeee', 'papayawhip' => '#ffefd5', 'peru' => '#cd853f', 'plum' => '#dda0dd', 'rosybrown' => '#bc8f8f', 'saddlebrown' => '#8b4513', 'sandybrown' => '#f4a460', 'seashell' => '#fff5ee', 'slateblue' => '#6a5acd', 'slategrey' => '#708090', 'snow' => '#fffafa', 'tomato' => '#ff6347', 'violet' => '#ee82ee', 'wheat' => '#f5deb3', 'whitesmoke' => '#f5f5f5', 'yellowgreen' => '#9acd32', ); }