Subversion-Projekte lars-tiefland.php_share

<?php

require_once(HTML2PS_DIR.'value.generic.php');

class MarginSideValue {

  var $value;

  var $auto;

  var $percentage;

  var $_units;

  function calc($base, $base_font_size = 0) {

    if (!is_null($this->percentage)) {

      return $base * $this->percentage / 100;

    } else {

      return $this->_units->toPt($base_font_size);

    };

  }

  function calcPercentage($base) {

    if (is_null($this->percentage)) {

      return;

    };

    $this->value = $base * $this->percentage / 100;

  }

  function &copy() {

    $value =& new MarginSideValue;

    $value->value      = $this->value;

    $value->auto       = $this->auto;

    $value->percentage = $this->percentage;

    $value->_units     = $this->_units;

    return $value;

  }

  function is_default() {

    return

      $this->value == 0 &&

      !$this->auto &&

      !$this->percentage;

  }

  function init($data) {

    $len = strlen($data);

    $is_percentage = false;

    if ($len > 0) {

      $is_percentage = ($data{$len-1} === '%');

    };

    $value = new MarginSideValue;

    $value->_units     = Value::fromString($data);

    $value->value      = $data;

    $value->percentage = $is_percentage ? (int)($data) : null;

    $value->auto       = $data === 'auto';

    return $value;

  }

  function units2pt($base) {

    if (is_null($this->percentage)) {

      $this->value = $this->_units->toPt($base);

    };

  }

}

class MarginValue extends CSSValue {

  var $top;

  var $bottom;

  var $left;

  var $right;

  function doInherit(&$state) {

    if ($this->top === CSS_PROPERTY_INHERIT) {

      $value = $state->getInheritedProperty(CSS_MARGIN_TOP);

      $this->top = $value->copy();

    };

    if ($this->bottom === CSS_PROPERTY_INHERIT) {

      $value = $state->getInheritedProperty(CSS_MARGIN_BOTTOM);

      $this->bottom = $value->copy();

    };

    if ($this->right === CSS_PROPERTY_INHERIT) {

      $value = $state->getInheritedProperty(CSS_MARGIN_RIGHT);

      $this->right = $value->copy();

    };

    if ($this->left === CSS_PROPERTY_INHERIT) {

      $value = $state->getInheritedProperty(CSS_MARGIN_LEFT);

      $this->left = $value->copy();

    };

  }

  function &copy() {

    $value =& new MarginValue;

    $value->top    = ($this->top    === CSS_PROPERTY_INHERIT) ? CSS_PROPERTY_INHERIT : $this->top->copy();

    $value->bottom = ($this->bottom === CSS_PROPERTY_INHERIT) ? CSS_PROPERTY_INHERIT : $this->bottom->copy();

    $value->left   = ($this->left   === CSS_PROPERTY_INHERIT) ? CSS_PROPERTY_INHERIT : $this->left->copy();

    $value->right  = ($this->right  === CSS_PROPERTY_INHERIT) ? CSS_PROPERTY_INHERIT : $this->right->copy();

    return $value;

  }

  function init($data) {

    $value = new MarginValue;

    $value->top    = MarginSideValue::init($data[0]);

    $value->right  = MarginSideValue::init($data[1]);

    $value->bottom = MarginSideValue::init($data[2]);

    $value->left   = MarginSideValue::init($data[3]);

    return $value;

  }

  function is_default() {

    return

      $this->left->is_default() &&

      $this->right->is_default() &&

      $this->top->is_default() &&

      $this->bottom->is_default();

  }

  function units2pt($base) {

    $this->top->units2pt($base);

    $this->bottom->units2pt($base);

    $this->left->units2pt($base);

    $this->right->units2pt($base);

  }

  function calcPercentages($base) {

    $this->top->calcPercentage($base);

    $this->bottom->calcPercentage($base);

    $this->left->calcPercentage($base);

    $this->right->calcPercentage($base);

  }

}

?>