<?php

/*

 * This file is part of the sfImageTransform package.

 * (c) 2007 Stuart Lowes <stuart.lowes@gmail.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */



/**

 *

 * sfImageArcGD class.

 *

 * Draws an arc.

 *

 * Draws an arc on an GD image.

 *

 * @package sfImageTransform
 * @subpackage transforms

 * @author Stuart Lowes <stuart.lowes@gmail.com>

 * @version SVN: $Id$

 */

class sfImageArcGD extends sfImageTransformAbstract

{

  /**

   * X-coordinate of the center.

   * @var integer

  */

  protected $x = 0;



  /**

   * Y-coordinate of the center.

   * @var integer

  */

  protected $y = 0;



  /**

   * The arc width

   * @var integer

  */

  protected $width = 0;



  /**

   * The arc height

   * @var integer

  */

  protected $height = 0;



  /**

   * Line thickness

   * @var integer

  */

  protected $thickness = 0;



  /**

   * The arc start angle, in degrees.

   * @var integer

  */

  protected $start_angle = 0;



  /**

   * The arc end angle, in degrees.

   * @var integer

  */

  protected $end_angle = 90;



  /**

   * Line color.

   * @var string hex

  */

  protected $color = '#000000';



  /**

   * Fill.

   * @var string/sfImage hex color or sfImage

  */

  protected $fill = null;



  /**

   * Line style.

   * @var integer

  */

  protected $style = null;



  /**

   * Construct an sfImageArc object.

   *

   * @param integer $x x coordinate

   * @param integer $y y coordinate

   * @param integer $width width of arc

   * @param integer $height height of arc

   * @param integer $start_angle angle in degrees

   * @param integer $end_angle angle in degrees

   * @param integer $thickness line thickness

   * @param string  $color hex color of line

   * @param string/object $fill string color or fill object

   * @param integer $style fill style, only applicable if using a fill object

   */

  public function __construct($x, $y, $width, $height, $start_angle, $end_angle, $thickness = 1, $color = '#000000', $fill=null,$style = null )

  {

    $this->setX($x);

    $this->setY($y);

    $this->setWidth($width);

    $this->setHeight($height);

    $this->setStartAngle($start_angle);

    $this->setEndAngle($end_angle);

    $this->setThickness($thickness);

    $this->setColor($color);

    $this->setFill($fill);

    $this->setStyle($style);

  }



  /**

   * Sets the X coordinate

   *

   * @param integer

   * @return boolean

   */

  public function setX($x)

  {

    if (is_numeric($x))

    {

      $this->x = (int)$x;



      return true;

    }



    return false;

  }



  /**

   * Gets the X coordinate

   *

   * @return integer

   */

  public function getX()

  {

    return $this->x;

  }



  /**

   * Sets the Y coordinate

   *

   * @param integer

   * @return boolean

   */

  public function setY($y)

  {

    if (is_numeric($y))

    {

      $this->y = (int)$y;



      return true;

    }



    return false;

  }



  /**

   * Gets the Y coordinate

   *

   * @return integer

   */

  public function getY()

  {

    return $this->y;

  }



  /**

   * Sets the width

   *

   * @param integer

   * @return boolean

   */

  public function setWidth($width)

  {

    if (is_numeric($width))

    {

      $this->width = (int)$width;



      return true;

    }



    return false;

  }



  /**

   * Gets the Width

   *

   * @return integer

   */

  public function getWidth()

  {

    return $this->width;

  }



  /**

   * Sets the height

   *

   * @param integer

   * @return boolean

   */

  public function setHeight($height)

  {

    if (is_numeric($height))

    {

      $this->height = (int)$height;



      return true;

    }



    return false;

  }



  /**

   * Gets the height

   *

   * @return integer

   */

  public function getHeight()

  {

    return $this->height;

  }



  /**

   * Sets the start angel

   *

   * @param integer

   * @return boolean

   */

  public function setStartAngle($start_angle)

  {

    if (is_numeric($start_angle))

    {

      $this->start_angle = (int)$start_angle;



      return true;

    }



    return false;

  }



  /**

   * Gets the start angel

   *

   * @return integer

   */

  public function getStartAngle()

  {

    return $this->start_angle;

  }



  /**

   * Sets the end angel

   *

   * @param integer

   * @return boolean

   */

  public function setEndAngle($end_angle)

  {

    if (is_numeric($end_angle))

    {

      $this->end_angle = (int)$end_angle;



      return true;

    }



    return false;

  }



  /**

   * Gets the end angel

   *

   * @return integer

   */

  public function getEndAngle()

  {

    return $this->end_angle;

  }



  /**

   * Sets the thickness

   *

   * @param integer

   * @return boolean

   */

  public function setThickness($thickness)

  {

    if (is_numeric($thickness))

    {

      $this->thickness = (int)$thickness;

      return true;

    }



    return false;

  }



  /**

   * Gets the thickness

   *

   * @return integer

   */

  public function getThickness()

  {

    return $this->thickness;

  }



  /**

   * Sets the color

   *

   * @param string

   * @return boolean

   */

  public function setColor($color)

  {

    if (preg_match('/#[\d\w]{6}/',$color))

    {

      $this->color = $color;

      return true;

    }

    return false;

  }



  /**

   * Gets the color

   *

   * @return integer

   */

  public function getColor()

  {

    return $this->color;

  }



  /**

   * Sets the fill

   *

   * @param mixed

   * @return boolean

   */

  public function setFill($fill)

  {

    if (preg_match('/#[\d\w]{6}/',$fill) || (is_object($fill) && class_name($fill) === 'sfImage'))

    {

      $this->fill = $fill;



      return true;

    }



    return false;

  }



  /**

   * Gets the fill

   *

   * @return mixed

   */

  public function getFill()

  {

    return $this->fill;

  }



  /**

   * Sets the style

   *

   * @param integer

   * @return boolean

   */

  public function setStyle($style)

  {

    if (is_numeric($style))

    {

      $this->style = (int)$style;



      return true;

    }



    return false;

  }



  /**

   * Gets the style

   *

   * @return integer

   */

  public function getStyle()

  {

    return $this->style;

  }



  /**

   * Apply the transform to the sfImage object.

   *

   * @param object

   * @return object

   */

  protected function transform(sfImage $image)

  {

    $resource = $image->getAdapter()->getHolder();



    imagesetthickness($resource, $this->thickness);



    if (!is_null($this->fill))

    {

      if (!is_object($this->fill))

      {

        imagefilledarc($resource, $this->x, $this->y, $this->width, $this->height, $this->start_angle, $this->end_angle, $image->getAdapter()->getColorByHex($resource, $this->fill), $this->style);

      }



      if ($this->color !== "" && $this->fill !== $this->color)

      {

        imagearc($resource, $this->x, $this->y, $this->width, $this->height, $this->start_angle, $this->end_angle, $image->getAdapter()->getColorByHex($resource, $this->color));

      }



    }



    else

    {



      imagearc($resource, $this->x, $this->y, $this->width, $this->height, $this->start_angle, $this->end_angle, $image->getAdapter()->getColorByHex($resource, $this->color));

    }



    return $image;

  }

}