web/Zend/Pdf/Color/Cmyk.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Pdf/Color/Cmyk.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,126 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Cmyk.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** Internally used classes */
+require_once 'Zend/Pdf/Element/Numeric.php';
+
+
+/** Zend_Pdf_Color */
+require_once 'Zend/Pdf/Color.php';
+
+/**
+ * CMYK color implementation
+ *
+ * @category   Zend
+ * @package    Zend_Pdf
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Pdf_Color_Cmyk extends Zend_Pdf_Color
+{
+    /**
+     * Cyan level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_c;
+
+    /**
+     * Magenta level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_m;
+
+    /**
+     * Yellow level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_y;
+
+    /**
+     * Key (BlacK) level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_k;
+
+
+    /**
+     * Object constructor
+     *
+     * @param float $c
+     * @param float $m
+     * @param float $y
+     * @param float $k
+     */
+    public function __construct($c, $m, $y, $k)
+    {
+        if ($c < 0) { $c = 0; }
+        if ($c > 1) { $c = 1; }
+
+        if ($m < 0) { $m = 0; }
+        if ($m > 1) { $m = 1; }
+
+        if ($y < 0) { $y = 0; }
+        if ($y > 1) { $y = 1; }
+
+        if ($k < 0) { $k = 0; }
+        if ($k > 1) { $k = 1; }
+
+        $this->_c = new Zend_Pdf_Element_Numeric($c);
+        $this->_m = new Zend_Pdf_Element_Numeric($m);
+        $this->_y = new Zend_Pdf_Element_Numeric($y);
+        $this->_k = new Zend_Pdf_Element_Numeric($k);
+    }
+
+    /**
+     * Instructions, which can be directly inserted into content stream
+     * to switch color.
+     * Color set instructions differ for stroking and nonstroking operations.
+     *
+     * @param boolean $stroking
+     * @return string
+     */
+    public function instructions($stroking)
+    {
+        return $this->_c->toString() . ' '
+             . $this->_m->toString() . ' '
+             . $this->_y->toString() . ' '
+             . $this->_k->toString() .     ($stroking? " K\n" : " k\n");
+    }
+
+    /**
+     * Get color components (color space dependent)
+     *
+     * @return array
+     */
+    public function getComponents()
+    {
+        return array($this->_c->value, $this->_m->value, $this->_y->value, $this->_k->value);
+    }
+}
+