From 58c0f5f71724840c1cf7e00ca0cc5bb33bd6e024 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torsten=20L=C3=BCcke?= <privat@torsten-hettstedt.de>
Date: Thu, 4 Mar 2021 11:30:17 +0100
Subject: [PATCH] =?UTF-8?q?Die=20Transformung=20von=20CMYK=20zu=20RGB=20er?=
 =?UTF-8?q?folgt=20=C3=BCber=20HSV.?=
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Content-Transfer-Encoding: 8bit

---
 .../CyanMagentaYellowKeyTransformer.php       | 15 +----
 .../HueSaturationValueToRedGreenBlue.php      | 56 +++++++++++++++++++
 .../CyanMagentaYellowKeyTransformerTest.php   |  2 -
 3 files changed, 58 insertions(+), 15 deletions(-)
 create mode 100644 src/Transformer/Utilities/HueSaturationValueToRedGreenBlue.php

diff --git a/src/Transformer/CyanMagentaYellowKeyTransformer.php b/src/Transformer/CyanMagentaYellowKeyTransformer.php
index 4b79b7c..664a9a2 100644
--- a/src/Transformer/CyanMagentaYellowKeyTransformer.php
+++ b/src/Transformer/CyanMagentaYellowKeyTransformer.php
@@ -24,19 +24,8 @@ class CyanMagentaYellowKeyTransformer implements ColorModelTransformInterface
 
     public function toRedGreenBlue(): RedGreenBlue
     {
-        $cyan = $this->color->getCyan();
-        $magenta = $this->color->getMagenta();
-        $yellow = $this->color->getYellow();
-        $key = $this->color->getKey();
-
-        $red = 0;
-        $green = 0;
-        $blue = 0;
-
-        return (new RedGreenBlue())
-            ->setRed($red)
-            ->setGreen($green)
-            ->setBlue($blue);
+        $hsv_color = (new Utilities\CyanMagentaYellowKeyToHueSaturationValue($this->color))->convert();
+        return (new Utilities\HueSaturationValueToRedGreenBlue($hsv_color))->convert();
     }
 
     public function toCyanMagentaYellowKey(): CyanMagentaYellowKey
diff --git a/src/Transformer/Utilities/HueSaturationValueToRedGreenBlue.php b/src/Transformer/Utilities/HueSaturationValueToRedGreenBlue.php
new file mode 100644
index 0000000..36a6e13
--- /dev/null
+++ b/src/Transformer/Utilities/HueSaturationValueToRedGreenBlue.php
@@ -0,0 +1,56 @@
+<?php
+
+
+namespace TorstenHettstedt\Colors\Transformer\Utilities;
+
+
+use TorstenHettstedt\Colors\ColorModels\HueSaturationValue;
+use TorstenHettstedt\Colors\ColorModels\RedGreenBlue;
+
+class HueSaturationValueToRedGreenBlue
+{
+    // Daten für HSV
+    /** @var float : Definition des Farbton als Anteil eines Vollkreises '$Hue * π' */
+    protected float $hue;
+    /** @var float : Definition der Sättigung der Farbe */
+    protected float $saturation;
+    /** @var float : Definition der Helligkeit der Farbe */
+    protected float $value;
+
+    // Daten für RGB
+    /** @var float : Definition des Rotanteil */
+    protected float $red = 1.0;
+    /** @var float : Definition des Grünanteil */
+    protected float $green = 1.0;
+    /** @var float : Definition des Blauanteil */
+    protected float $blu = 1.0;
+
+    /**
+     * HueSaturationValueToRedGreenBlue constructor.
+     * @param HueSaturationValue $from_color
+     * @noinspection PhpPureAttributeCanBeAddedInspection
+     */
+    public function __construct(HueSaturationValue $from_color)
+    {
+        $this->hue = $from_color->getHue();
+        $this->saturation = $from_color->getSaturation();
+        $this->value = $from_color->getValue();
+    }
+
+    public function convert(): RedGreenBlue
+    {
+        $this->processConvert();
+
+        return (new RedGreenBlue())
+            ->setRed($this->red)
+            ->setGreen($this->green)
+            ->setBlue($this->blu);
+    }
+
+
+    protected function processConvert(): void
+    {
+
+    }
+
+}
\ No newline at end of file
diff --git a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
index 06fb2fb..bc43ea4 100644
--- a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
+++ b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
@@ -222,8 +222,6 @@ class CyanMagentaYellowKeyTransformerTest extends Unit
      */
     public function testToRedGreenBlue(array $cmyk, array $rgb)
     {
-        $this->markTestSkipped('Das Verhalten muss über HSL erforscht werden.');
-
         $this->color = $this->make(CyanMagentaYellowKey::class, $cmyk);
 
         $transformer = new CyanMagentaYellowKeyTransformer($this->color);