Subversion-Projekte lars-tiefland.php_share

<?php

class EdgePDF {

  var $width;

  var $color;

  var $style;

  var $_isDefaultColor;

  /**

   * Optimization: width/color fields of this class

   * never modified partially, so we could use one shared object

   * as a default value

   */

  function EdgePDF() {

    static $default_width = null;

    if (is_null($default_width)) {

      $default_width =& Value::fromData(0, UNIT_PT);

    };

    static $default_color = null;

    if (is_null($default_color)) {

      $default_color =& new Color(array(0,0,0), true);

    };

    $this->width =& $default_width;

    $this->color =& $default_color;

    $this->style = BS_NONE;

    $this->_isDefaultColor = true;

  }

  function isDefaultColor() {

    return $this->_isDefaultColor;

  }

  function setColor(&$color) {

    if ($color != CSS_PROPERTY_INHERIT) {

      $this->color = $color->copy();

    } else {

      $this->color = CSS_PROPERTY_INHERIT;

    };

    $this->_isDefaultColor = false;

  }

  function doInherit(&$state, $code_width, $code_color, $code_style) {

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

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

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

    };

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

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

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

    };

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

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

      $this->width = $value;

    };

  }

  function &create($data) {

    $edge =& new EdgePDF();

    $edge->width = $data['width'];

    $edge->color =& new Color($data['color'], is_transparent($data['color']));

    $edge->style = $data['style'];

    $edge->_isDefaultColor = true;

    return $edge;

  }

  function &copy() {

    $edge =& new EdgePDF();

    if ($this->width != CSS_PROPERTY_INHERIT) {

      $edge->width = $this->width->copy();

    } else {

      $edge->width = CSS_PROPERTY_INHERIT;

    };

    if ($this->color != CSS_PROPERTY_INHERIT) {

      $edge->color = $this->color->copy();

    } else {

      $edge->color = CSS_PROPERTY_INHERIT;

    };

    $edge->style = $this->style;

    $edge->_isDefaultColor = $this->_isDefaultColor;

    return $edge;

  }

  function &get_color() {

    return $this->color;

  }

  function &get_style() {

    return $this->style;

  }

  function get_width() {

    if ($this->style === BS_NONE) {

      return 0;

    };

    return $this->width->getPoints();

  }

  function units2pt($base_font_size) {

    $this->width->units2pt($base_font_size);

  }

  function is_visible() {

    return

      ($this->width->getPoints() > 0) &&

      ($this->style !== BS_NONE);

  }

  function show(&$viewport, &$box,

                $x1, $y1,

                $x2, $y2,

                $x3, $y3,

                $x4, $y4,

                $hilight) {

    // If this border have 'transparent' color value, we just will not draw it

    //

    if ($this->color->transparent) { return; };

    switch ($this->style) {

    case BS_SOLID:

      $this->color->apply($viewport);

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      break;

    case BS_INSET:

      if ($hilight) {

        $this->color->apply($viewport);

      } else {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      };

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      break;

    case BS_GROOVE:

      /**

       * Draw outer part

       */

      if ($hilight) {

        $this->color->apply($viewport);

      } else {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      };

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      /**

       * Draw inner part

       */

      if ($hilight) {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      } else {

        $this->color->apply($viewport);

      };

      $x1a = ($x1 + $x4) / 2;

      $y1a = ($y1 + $y4) / 2;

      $x2a = ($x2 + $x3) / 2;

      $y2a = ($y2 + $y3) / 2;

      $viewport->moveto($x1a, $y1a);

      $viewport->lineto($x2a, $y2a);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      break;

    case BS_RIDGE:

      /**

       * Draw outer part

       */

      if ($hilight) {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      } else {

        $this->color->apply($viewport);

      };

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      /**

       * Draw inner part

       */

      if ($hilight) {

        $this->color->apply($viewport);

      } else {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      };

      $x1a = ($x1 + $x4) / 2;

      $y1a = ($y1 + $y4) / 2;

      $x2a = ($x2 + $x3) / 2;

      $y2a = ($y2 + $y3) / 2;

      $viewport->moveto($x1a, $y1a);

      $viewport->lineto($x2a, $y2a);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      break;

    case BS_OUTSET:

      if (!$hilight) {

        $this->color->apply($viewport);

      } else {

        $color = $this->color->copy();

        $color->blend(new Color(array(255,255,255), false), HILIGHT_COLOR_ALPHA);

        $color->apply($viewport);

      };

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->lineto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->closepath();

      $viewport->fill();

      break;

    case BS_DASHED:

      $this->color->apply($viewport);

      $viewport->dash($this->width->getPoints()*4, $this->width->getPoints()*5);

      $viewport->setlinewidth($this->width->getPoints());

      $viewport->moveto(($x1+$x4)/2,($y1+$y4)/2);

      $viewport->lineto(($x2+$x3)/2,($y2+$y3)/2);

      $viewport->stroke();

      // Restore solid line

      $viewport->dash(1,0);

      break;

    case BS_DOTTED:

      $this->color->apply($viewport);

      $viewport->dash($this->width->getPoints(), $this->width->getPoints()*2);

      $viewport->setlinewidth($this->width->getPoints());

      $viewport->moveto(($x1+$x4)/2,($y1+$y4)/2);

      $viewport->lineto(($x2+$x3)/2,($y2+$y3)/2);

      $viewport->stroke();

      // Restore solid line

      $viewport->dash(1,0);

      break;

    case BS_DOUBLE:

      $this->color->apply($viewport);

      $viewport->setlinewidth(px2pt(1));

      $viewport->moveto($x1, $y1);

      $viewport->lineto($x2, $y2);

      $viewport->stroke();

      $viewport->moveto($x3, $y3);

      $viewport->lineto($x4, $y4);

      $viewport->stroke();

      break;

    case BS_NONE:

    default:

      break;

    }

  }

}

?>