<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Pdf

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Style.php 24593 2012-01-05 20:35:02Z matthew $

 */

/**

 * Style object.

 * Style object doesn't directly correspond to any PDF file object.

 * It's utility class, used as a container for style information.

 * It's used by Zend_Pdf_Page class in draw operations.

 *

 * @package    Zend_Pdf

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Pdf_Style

{

    /**

     * Fill color.

     * Used to fill geometric shapes or text.

     *

     * @var Zend_Pdf_Color|null

     */

    private $_fillColor = null;

    /**

     * Line color.

     * Current color, used for lines and font outlines.

     *

     * @var Zend_Pdf_Color|null

     */

    private $_color;

    /**

     * Line width.

     *

     * @var Zend_Pdf_Element_Numeric

     */

    private $_lineWidth;

    /**

     * Array which describes line dashing pattern.

     * It's array of numeric:

     * array($on_length, $off_length, $on_length, $off_length, ...)

     *

     * @var array

     */

    private $_lineDashingPattern;

    /**

     * Line dashing phase

     *

     * @var float

     */

    private $_lineDashingPhase;

    /**

     * Current font

     *

     * @var Zend_Pdf_Resource_Font

     */

    private $_font;

    /**

     * Font size

     *

     * @var float

     */

    private $_fontSize;

    /**

     * Create style.

     *

     * @param Zend_Pdf_Style $anotherStyle

     */

    public function __construct($anotherStyle = null)

    {

        if ($anotherStyle !== null) {

            $this->_fillColor          = $anotherStyle->_fillColor;

            $this->_color              = $anotherStyle->_color;

            $this->_lineWidth          = $anotherStyle->_lineWidth;

            $this->_lineDashingPattern = $anotherStyle->_lineDashingPattern;

            $this->_lineDashingPhase   = $anotherStyle->_lineDashingPhase;

            $this->_font               = $anotherStyle->_font;

            $this->_fontSize           = $anotherStyle->_fontSize;

        }

    }

    /**

     * Set fill color.

     *

     * @param Zend_Pdf_Color $color

     */

    public function setFillColor(Zend_Pdf_Color $color)

    {

        $this->_fillColor = $color;

    }

    /**

     * Set line color.

     *

     * @param Zend_Pdf_Color $color

     */

    public function setLineColor(Zend_Pdf_Color $color)

    {

        $this->_color = $color;

    }

    /**

     * Set line width.

     *

     * @param float $width

     */

    public function setLineWidth($width)

    {

        require_once 'Zend/Pdf/Element/Numeric.php';

        $this->_lineWidth = new Zend_Pdf_Element_Numeric($width);

    }

    /**

     * Set line dashing pattern

     *

     * @param array $pattern

     * @param float $phase

     */

    public function setLineDashingPattern($pattern, $phase = 0)

    {

        require_once 'Zend/Pdf/Page.php';

        if ($pattern === Zend_Pdf_Page::LINE_DASHING_SOLID) {

            $pattern = array();

            $phase   = 0;

        }

        require_once 'Zend/Pdf/Element/Numeric.php';

        $this->_lineDashingPattern = $pattern;

        $this->_lineDashingPhase   = new Zend_Pdf_Element_Numeric($phase);

    }

    /**

     * Set current font.

     *

     * @param Zend_Pdf_Resource_Font $font

     * @param float $fontSize

     */

    public function setFont(Zend_Pdf_Resource_Font $font, $fontSize)

    {

        $this->_font = $font;

        $this->_fontSize = $fontSize;

    }

    /**

     * Modify current font size

     *

     * @param float $fontSize

     */

    public function setFontSize($fontSize)

    {

        $this->_fontSize = $fontSize;

    }

    /**

     * Get fill color.

     *

     * @return Zend_Pdf_Color|null

     */

    public function getFillColor()

    {

        return $this->_fillColor;

    }

    /**

     * Get line color.

     *

     * @return Zend_Pdf_Color|null

     */

    public function getLineColor()

    {

        return $this->_color;

    }

    /**

     * Get line width.

     *

     * @return float

     */

    public function getLineWidth()

    {

        return $this->_lineWidth->value;

    }

    /**

     * Get line dashing pattern

     *

     * @return array

     */

    public function getLineDashingPattern()

    {

        return $this->_lineDashingPattern;

    }

    /**

     * Get current font.

     *

     * @return Zend_Pdf_Resource_Font $font

     */

    public function getFont()

    {

        return $this->_font;

    }

    /**

     * Get current font size

     *

     * @return float $fontSize

     */

    public function getFontSize()

    {

        return $this->_fontSize;

    }

    /**

     * Get line dashing phase

     *

     * @return float

     */

    public function getLineDashingPhase()

    {

        return $this->_lineDashingPhase->value;

    }

    /**

     * Dump style to a string, which can be directly inserted into content stream

     *

     * @return string

     */

    public function instructions()

    {

        $instructions = '';

        if ($this->_fillColor !== null) {

            $instructions .= $this->_fillColor->instructions(false);

        }

        if ($this->_color !== null) {

            $instructions .= $this->_color->instructions(true);

        }

        if ($this->_lineWidth !== null) {

            $instructions .= $this->_lineWidth->toString() . " w\n";

        }

        if ($this->_lineDashingPattern !== null) {

            require_once 'Zend/Pdf/Element/Array.php';

            $dashPattern = new Zend_Pdf_Element_Array();

            require_once 'Zend/Pdf/Element/Numeric.php';

            foreach ($this->_lineDashingPattern as $dashItem) {

                $dashElement = new Zend_Pdf_Element_Numeric($dashItem);

                $dashPattern->items[] = $dashElement;

            }

            $instructions .= $dashPattern->toString() . ' '

                           . $this->_lineDashingPhase->toString() . " d\n";

        }

        return $instructions;

    }

}