Revert "Remove Cmyk Colors for now"

This reverts commit f24a337058.

src/Colors/Cmyk/Channels/Cyan.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk\Channels;
+
+use Intervention\Image\Exceptions\ColorException;
+use Intervention\Image\Interfaces\ColorChannelInterface;
+
+class Cyan implements ColorChannelInterface
+{
+    protected int $value;
+
+    public function __construct(int $value)
+    {
+        $this->value = $this->validate($value);
+    }
+
+    public function value(): int
+    {
+        return $this->value;
+    }
+
+    public function normalize($precision = 32): float
+    {
+        return round($this->value() / $this->max(), $precision);
+    }
+
+    public function min(): int
+    {
+        return 0;
+    }
+
+    public function max(): int
+    {
+        return 100;
+    }
+
+    public function validate(mixed $value): mixed
+    {
+        if ($value < $this->min() || $value > $this->max()) {
+            throw new ColorException('CMYK color values must be in range 0-100.');
+        }
+
+        return $value;
+    }
+
+    public function toString(): string
+    {
+        return (string) $this->value();
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+}

src/Colors/Cmyk/Channels/Key.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk\Channels;
+
+class Key extends Cyan
+{
+    //
+}

src/Colors/Cmyk/Channels/Magenta.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk\Channels;
+
+class Magenta extends Cyan
+{
+    //
+}

src/Colors/Cmyk/Channels/Yellow.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk\Channels;
+
+class Yellow extends Cyan
+{
+    //
+}

src/Colors/Cmyk/Color.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk;
+
+use Intervention\Image\Colors\Cmyk\Channels\Cyan;
+use Intervention\Image\Colors\Cmyk\Channels\Magenta;
+use Intervention\Image\Colors\Cmyk\Channels\Yellow;
+use Intervention\Image\Colors\Cmyk\Channels\Key;
+use Intervention\Image\Colors\Rgb\Colorspace as RgbColorspace;
+use Intervention\Image\Colors\Traits\CanHandleChannels;
+use Intervention\Image\Drivers\Abstract\AbstractInputHandler;
+use Intervention\Image\Interfaces\ColorChannelInterface;
+use Intervention\Image\Interfaces\ColorInterface;
+use Intervention\Image\Interfaces\ColorspaceInterface;
+
+class Color implements ColorInterface
+{
+    use CanHandleChannels;
+
+    protected array $channels;
+
+    public function __construct(int $c, int $m, int $y, int $k)
+    {
+        $this->channels = [
+            new Cyan($c),
+            new Magenta($m),
+            new Yellow($y),
+            new Key($k),
+        ];
+    }
+
+    public static function create(mixed $input): ColorInterface
+    {
+        return (new class ([
+            Decoders\StringColorDecoder::class,
+        ]) extends AbstractInputHandler
+        {
+        })->handle($input);
+    }
+
+    public function toHex(): string
+    {
+        return $this->convertTo(RgbColorspace::class)->toHex();
+    }
+
+    public function channels(): array
+    {
+        return $this->channels;
+    }
+
+    public function cyan(): ColorChannelInterface
+    {
+        return $this->channel(Cyan::class);
+    }
+
+    public function magenta(): ColorChannelInterface
+    {
+        return $this->channel(Magenta::class);
+    }
+
+    public function yellow(): ColorChannelInterface
+    {
+        return $this->channel(Yellow::class);
+    }
+
+    public function key(): ColorChannelInterface
+    {
+        return $this->channel(Key::class);
+    }
+
+    public function toArray(): array
+    {
+        return [
+            $this->cyan()->value(),
+            $this->magenta()->value(),
+            $this->yellow()->value(),
+            $this->key()->value(),
+        ];
+    }
+
+    public function convertTo(string|ColorspaceInterface $colorspace): ColorInterface
+    {
+        $colorspace = match (true) {
+            is_object($colorspace) => $colorspace,
+            default => new $colorspace(),
+        };
+
+        return $colorspace->convertColor($this);
+    }
+
+    public function toString(): string
+    {
+        return sprintf(
+            'cmyk(%d, %d, %d, %d)',
+            $this->cyan()->value(),
+            $this->magenta()->value(),
+            $this->yellow()->value(),
+            $this->key()->value()
+        );
+    }
+
+    public function isGreyscale(): bool
+    {
+        return 0 === array_sum([
+            $this->cyan()->value(),
+            $this->magenta()->value(),
+            $this->yellow()->value(),
+        ]);
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+}

src/Colors/Cmyk/Colorspace.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk;
+
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
+use Intervention\Image\Colors\Cmyk\Color as CmykColor;
+use Intervention\Image\Interfaces\ColorInterface;
+use Intervention\Image\Interfaces\ColorspaceInterface;
+
+class Colorspace implements ColorspaceInterface
+{
+    /**
+     * {@inheritdoc}
+     *
+     * @see ColorspaceInterface::convertColor()
+     */
+    public function convertColor(ColorInterface $color): ColorInterface
+    {
+        return match (get_class($color)) {
+            RgbColor::class => $this->convertRgbColor($color),
+            default => $color,
+        };
+    }
+
+    protected function convertRgbColor(RgbColor $color): CmykColor
+    {
+        $c = (255 - $color->red()->value()) / 255.0 * 100;
+        $m = (255 - $color->green()->value()) / 255.0 * 100;
+        $y = (255 - $color->blue()->value()) / 255.0 * 100;
+        $k = intval(round(min([$c, $m, $y])));
+
+        $c = intval(round($c - $k));
+        $m = intval(round($m - $k));
+        $y = intval(round($y - $k));
+
+        return new CmykColor($c, $m, $y, $k);
+    }
+}

src/Colors/Cmyk/Decoders/StringColorDecoder.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Intervention\Image\Colors\Cmyk\Decoders;
+
+use Intervention\Image\Colors\Cmyk\Color;
+use Intervention\Image\Drivers\Abstract\Decoders\AbstractDecoder;
+use Intervention\Image\Exceptions\DecoderException;
+use Intervention\Image\Interfaces\ColorInterface;
+use Intervention\Image\Interfaces\DecoderInterface;
+use Intervention\Image\Interfaces\ImageInterface;
+
+class StringColorDecoder extends AbstractDecoder implements DecoderInterface
+{
+    /**
+     * Decode CMYK color strings
+     *
+     * @param  mixed $input
+     * @return ImageInterface|ColorInterface
+     */
+    public function decode($input): ImageInterface|ColorInterface
+    {
+        if (! is_string($input)) {
+            throw new DecoderException('Unable to decode input');
+        }
+
+        $pattern = '/^cmyk\((?P<c>[0-9\.]+%?), ?(?P<m>[0-9\.]+%?), ?(?P<y>[0-9\.]+%?), ?(?P<k>[0-9\.]+%?)\)$/i';
+        if (preg_match($pattern, $input, $matches) != 1) {
+            throw new DecoderException('Unable to decode input');
+        }
+
+        $values = array_map(function ($value) {
+            return intval(round(floatval(trim(str_replace('%', '', $value)))));
+        }, [$matches['c'], $matches['m'], $matches['y'], $matches['k']]);
+
+        return new Color(...$values);
+    }
+}

src/Colors/Rgb/Color.php

@@ -151,11 +151,6 @@ class Color implements ColorInterface
         return $colorspace->convertColor($this);
     }
 
-    /**
-     * Determine if the current color is fully opaque
-     *
-     * @return bool
-     */
     public function isFullyOpaque(): bool
     {
         return $this->alpha()->value() === 255;

src/Colors/Rgb/Colorspace.php

@@ -2,6 +2,7 @@
 
 namespace Intervention\Image\Colors\Rgb;
 
+use Intervention\Image\Colors\Cmyk\Color as CmykColor;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 
@@ -10,7 +11,17 @@ class Colorspace implements ColorspaceInterface
     public function convertColor(ColorInterface $color): ColorInterface
     {
         return match (get_class($color)) {
+            CmykColor::class => $this->convertCmykColor($color),
             default => $color,
         };
     }
+
+    protected function convertCmykColor(CmykColor $color): Color
+    {
+        return new Color(
+            (int) (255 * (1 - $color->cyan()->normalize()) * (1 - $color->key()->normalize())),
+            (int) (255 * (1 - $color->magenta()->normalize()) * (1 - $color->key()->normalize())),
+            (int) (255 * (1 - $color->yellow()->normalize()) * (1 - $color->key()->normalize())),
+        );
+    }
 }

src/Drivers/Gd/InputHandler.php

@@ -2,10 +2,11 @@
 
 namespace Intervention\Image\Drivers\Gd;
 
-use Intervention\Image\Colors\Rgb\Decoders\HexColorDecoder;
+use Intervention\Image\Colors\Rgb\Decoders\HexColorDecoder as RgbHexColorDecoder;
-use Intervention\Image\Colors\Rgb\Decoders\StringColorDecoder;
+use Intervention\Image\Colors\Rgb\Decoders\StringColorDecoder as RgbStringColorDecoder;
 use Intervention\Image\Colors\Rgb\Decoders\HtmlColornameDecoder;
 use Intervention\Image\Colors\Rgb\Decoders\TransparentColorDecoder;
+use Intervention\Image\Colors\Cmyk\Decoders\StringColorDecoder as CmykStringColorDecoder;
 use Intervention\Image\Drivers\Abstract\AbstractInputHandler;
 use Intervention\Image\Drivers\Gd\Decoders\ImageObjectDecoder;
 use Intervention\Image\Drivers\Gd\Decoders\ColorObjectDecoder;
@@ -20,8 +21,9 @@ class InputHandler extends AbstractInputHandler
     protected array $decoders = [
         ImageObjectDecoder::class,
         ColorObjectDecoder::class,
-        HexColorDecoder::class,
+        RgbHexColorDecoder::class,
-        StringColorDecoder::class,
+        RgbStringColorDecoder::class,
+        CmykStringColorDecoder::class,
         TransparentColorDecoder::class,
         HtmlColornameDecoder::class,
         FilePointerImageDecoder::class,

src/Drivers/Imagick/InputHandler.php

@@ -2,10 +2,11 @@
 
 namespace Intervention\Image\Drivers\Imagick;
 
-use Intervention\Image\Colors\Rgb\Decoders\HexColorDecoder;
+use Intervention\Image\Colors\Rgb\Decoders\HexColorDecoder as RgbHexColorDecoder;
-use Intervention\Image\Colors\Rgb\Decoders\StringColorDecoder;
+use Intervention\Image\Colors\Rgb\Decoders\StringColorDecoder as RgbStringColorDecoder;
 use Intervention\Image\Colors\Rgb\Decoders\HtmlColornameDecoder;
 use Intervention\Image\Colors\Rgb\Decoders\TransparentColorDecoder;
+use Intervention\Image\Colors\Cmyk\Decoders\StringColorDecoder as CmykStringColorDecoder;
 use Intervention\Image\Drivers\Abstract\AbstractInputHandler;
 use Intervention\Image\Drivers\Imagick\Decoders\ImageObjectDecoder;
 use Intervention\Image\Drivers\Imagick\Decoders\ColorObjectDecoder;
@@ -20,8 +21,9 @@ class InputHandler extends AbstractInputHandler
     protected array $decoders = [
         ImageObjectDecoder::class,
         ColorObjectDecoder::class,
-        HexColorDecoder::class,
+        RgbHexColorDecoder::class,
-        StringColorDecoder::class,
+        RgbStringColorDecoder::class,
+        CmykStringColorDecoder::class,
         TransparentColorDecoder::class,
         HtmlColornameDecoder::class,
         FilePointerImageDecoder::class,

tests/Colors/Cmyk/ChannelTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Intervention\Image\Tests\Colors\Cmyk;
+
+use Intervention\Image\Colors\Cmyk\Channels\Cyan as Channel;
+use Intervention\Image\Exceptions\ColorException;
+use Intervention\Image\Tests\TestCase;
+
+/**
+ * @requires extension gd
+ * @covers \Intervention\Image\Colors\Cmyk\Channels\Cyan
+ * @covers \Intervention\Image\Colors\Cmyk\Channels\Magenta
+ * @covers \Intervention\Image\Colors\Cmyk\Channels\Yellow
+ * @covers \Intervention\Image\Colors\Cmyk\Channels\Key
+ */
+class ChannelTest extends TestCase
+{
+    public function testConstructor(): void
+    {
+        $channel = new Channel(0);
+        $this->assertInstanceOf(Channel::class, $channel);
+    }
+
+    public function testValue(): void
+    {
+        $channel = new Channel(10);
+        $this->assertEquals(10, $channel->value());
+    }
+
+    public function testNormalize(): void
+    {
+        $channel = new Channel(100);
+        $this->assertEquals(1, $channel->normalize());
+        $channel = new Channel(0);
+        $this->assertEquals(0, $channel->normalize());
+        $channel = new Channel(20);
+        $this->assertEquals(.2, $channel->normalize());
+    }
+
+    public function testValidate(): void
+    {
+        $this->expectException(ColorException::class);
+        new Channel(101);
+
+        $this->expectException(ColorException::class);
+        new Channel(-1);
+    }
+}

tests/Colors/Cmyk/ColorTest.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Intervention\Image\Tests\Colors\Cmyk;
+
+use Intervention\Image\Colors\Cmyk\Channels\Cyan;
+use Intervention\Image\Colors\Cmyk\Channels\Key;
+use Intervention\Image\Colors\Cmyk\Channels\Magenta;
+use Intervention\Image\Colors\Cmyk\Channels\Yellow;
+use Intervention\Image\Colors\Cmyk\Color as Color;
+use Intervention\Image\Tests\TestCase;
+
+/**
+ * @requires extension gd
+ * @covers \Intervention\Image\Colors\Cmyk\Color
+ */
+class ColorTest extends TestCase
+{
+    public function testConstructor(): void
+    {
+        $color = new Color(0, 0, 0, 0);
+        $this->assertInstanceOf(Color::class, $color);
+    }
+
+    public function testChannels(): void
+    {
+        $color = new Color(10, 20, 30, 40);
+        $this->assertIsArray($color->channels());
+        $this->assertCount(4, $color->channels());
+    }
+
+    public function testChannel(): void
+    {
+        $color = new Color(10, 20, 30, 40);
+        $channel = $color->channel(Cyan::class);
+        $this->assertInstanceOf(Cyan::class, $channel);
+        $this->assertEquals(10, $channel->value());
+    }
+
+    public function testCyanMagentaYellowKey(): void
+    {
+        $color = new Color(10, 20, 30, 40);
+        $this->assertInstanceOf(Cyan::class, $color->cyan());
+        $this->assertInstanceOf(Magenta::class, $color->magenta());
+        $this->assertInstanceOf(Yellow::class, $color->yellow());
+        $this->assertInstanceOf(Key::class, $color->key());
+        $this->assertEquals(10, $color->cyan()->value());
+        $this->assertEquals(20, $color->magenta()->value());
+        $this->assertEquals(30, $color->yellow()->value());
+        $this->assertEquals(40, $color->key()->value());
+    }
+
+    public function testToArray(): void
+    {
+        $color = new Color(10, 20, 30, 40);
+        $this->assertEquals([10, 20, 30, 40], $color->toArray());
+    }
+
+    public function testNormalize(): void
+    {
+        $color = new Color(100, 50, 20, 0);
+        $this->assertEquals([1.0, 0.5, 0.2, 0.0], $color->normalize());
+    }
+
+    public function testToString(): void
+    {
+        $color = new Color(100, 50, 20, 0);
+        $this->assertEquals('cmyk(100, 50, 20, 0)', (string) $color);
+    }
+}

tests/Colors/Cmyk/ColorspaceTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Intervention\Image\Tests\Colors\Cmyk;
+
+use Intervention\Image\Colors\Cmyk\Color as CmykColor;
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
+use Intervention\Image\Colors\Cmyk\Colorspace;
+use Intervention\Image\Tests\TestCase;
+
+/**
+ * @requires extension gd
+ * @covers \Intervention\Image\Colors\Cmyk\Colorspace
+ */
+class ColorspaceTest extends TestCase
+{
+    public function testConvertColor(): void
+    {
+        $colorspace = new Colorspace();
+        $this->assertInstanceOf(
+            CmykColor::class,
+            $colorspace->convertColor(
+                new RgbColor(0, 0, 0)
+            )
+        );
+    }
+}

tests/Colors/Cmyk/Decoders/StringColorDecoderTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Intervention\Image\Tests\Colors\Cmyk\Decoders;
+
+use Intervention\Image\Colors\Cmyk\Color;
+use Intervention\Image\Colors\Cmyk\Decoders\StringColorDecoder;
+use Intervention\Image\Tests\TestCase;
+
+/**
+ * @requires extension gd
+ * @covers \Intervention\Image\Colors\Cmyk\Decoders\StringColorDecoder
+ */
+class StringColorDecoderTest extends TestCase
+{
+    public function testDecode(): void
+    {
+        $decoder = new StringColorDecoder();
+        $result = $decoder->decode('cmyk(0,0,0,0)');
+        $this->assertInstanceOf(Color::class, $result);
+        $this->assertEquals([0, 0, 0, 0], $result->toArray());
+
+        $result = $decoder->decode('cmyk(0, 100, 100, 0)');
+        $this->assertInstanceOf(Color::class, $result);
+        $this->assertEquals([0, 100, 100, 0], $result->toArray());
+
+        $result = $decoder->decode('cmyk(0, 100, 100, 0)');
+        $this->assertInstanceOf(Color::class, $result);
+        $this->assertEquals([0, 100, 100, 0], $result->toArray());
+
+
+        $result = $decoder->decode('cmyk(0%, 100%, 100%, 0%)');
+        $this->assertInstanceOf(Color::class, $result);
+        $this->assertEquals([0, 100, 100, 0], $result->toArray());
+    }
+}

tests/Colors/Rgb/ColorTest.php

@@ -2,6 +2,8 @@
 
 namespace Intervention\Image\Tests\Colors\Rgb;
 
+use Intervention\Image\Colors\Cmyk\Color as CmykColor;
+use Intervention\Image\Colors\Cmyk\Colorspace as CmykColorspace;
 use Intervention\Image\Colors\Rgb\Channels\Red;
 use Intervention\Image\Colors\Rgb\Channels\Green;
 use Intervention\Image\Colors\Rgb\Channels\Blue;
@@ -84,4 +86,37 @@ class ColorTest extends TestCase
         $color = new Color(181, 55, 23);
         $this->assertEquals('rgb(181, 55, 23)', (string) $color);
     }
+
+    public function testConvertTo(): void
+    {
+        $color = new Color(0, 0, 0);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 0, 0, 100], $converted->toArray());
+
+        $color = new Color(255, 255, 255);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 0, 0, 0], $converted->toArray());
+
+        $color = new Color(255, 0, 0);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 100, 100, 0], $converted->toArray());
+
+        $color = new Color(255, 0, 255);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 100, 0, 0], $converted->toArray());
+
+        $color = new Color(255, 255, 0);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 0, 100, 0], $converted->toArray());
+
+        $color = new Color(255, 204, 204);
+        $converted = $color->convertTo(CmykColorspace::class);
+        $this->assertInstanceOf(CmykColor::class, $converted);
+        $this->assertEquals([0, 20, 20, 0], $converted->toArray());
+    }
 }

tests/Colors/Rgb/ColorspaceTest.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Intervention\Image\Tests\Colors\Rgb;
+
+use Intervention\Image\Colors\Cmyk\Color as CmykColor;
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
+use Intervention\Image\Colors\Rgb\Colorspace;
+use Intervention\Image\Tests\TestCase;
+
+/**
+ * @requires extension gd
+ * @covers \Intervention\Image\Colors\Rgb\Colorspace
+ */
+class ColorspaceTest extends TestCase
+{
+    public function testConvertColor(): void
+    {
+        $colorspace = new Colorspace();
+        $this->assertInstanceOf(
+            RgbColor::class,
+            $colorspace->convertColor(
+                new CmykColor(0, 0, 0, 0)
+            )
+        );
+    }
+}

tests/Drivers/Gd/InputHandlerTest.php

@@ -2,7 +2,7 @@
 
 namespace Intervention\Image\Tests\Drivers\Gd;
 
-use Intervention\Image\Colors\Rgb\Color;
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
 use Intervention\Image\Drivers\Gd\Image;
 use Intervention\Image\Drivers\Gd\InputHandler;
 use Intervention\Image\Exceptions\DecoderException;
@@ -58,37 +58,37 @@ class GdInputHandlerTest extends TestCase
         $handler = new InputHandler();
         $input = 'ccff33';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([204, 255, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = 'cf3';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([204, 255, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#123456';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([18, 52, 86, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#3333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 51], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#33333333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 51], $result->toArray());
     }
 
@@ -96,12 +96,12 @@ class GdInputHandlerTest extends TestCase
     {
         $handler = new InputHandler();
         $result = $handler->handle('rgb(10, 20, 30)');
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([10, 20, 30, 255], $result->toArray());
 
         $handler = new InputHandler();
         $result = $handler->handle('rgba(10, 20, 30, 1.0)');
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([10, 20, 30, 255], $result->toArray());
     }
 
@@ -110,7 +110,7 @@ class GdInputHandlerTest extends TestCase
         $handler = new InputHandler();
         $input = 'transparent';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([0, 0, 0, 0], $result->toArray());
     }
 }

tests/Drivers/Imagick/InputHandlerTest.php

@@ -2,7 +2,7 @@
 
 namespace Intervention\Image\Tests\Drivers\Imagick;
 
-use Intervention\Image\Colors\Rgb\Color;
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
 use Intervention\Image\Drivers\Imagick\Image;
 use Intervention\Image\Drivers\Imagick\InputHandler;
 use Intervention\Image\Exceptions\DecoderException;
@@ -58,37 +58,37 @@ class InputHandlerTest extends TestCase
         $handler = new InputHandler();
         $input = 'ccff33';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([204, 255, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = 'cf3';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([204, 255, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#123456';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([18, 52, 86, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 255], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#3333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 51], $result->toArray());
 
         $handler = new InputHandler();
         $input = '#33333333';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([51, 51, 51, 51], $result->toArray());
     }
 
@@ -96,12 +96,12 @@ class InputHandlerTest extends TestCase
     {
         $handler = new InputHandler();
         $result = $handler->handle('rgb(10, 20, 30)');
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([10, 20, 30, 255], $result->toArray());
 
         $handler = new InputHandler();
         $result = $handler->handle('rgba(10, 20, 30, 1.0)');
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([10, 20, 30, 255], $result->toArray());
     }
 
@@ -110,7 +110,7 @@ class InputHandlerTest extends TestCase
         $handler = new InputHandler();
         $input = 'transparent';
         $result = $handler->handle($input);
-        $this->assertInstanceOf(Color::class, $result);
+        $this->assertInstanceOf(RgbColor::class, $result);
         $this->assertEquals([0, 0, 0, 0], $result->toArray());
     }
 }

tests/TestCase.php

@@ -2,8 +2,8 @@
 
 namespace Intervention\Image\Tests;
 
-use Intervention\Image\Colors\Rgb\Color;
+use Intervention\Image\Colors\Rgb\Channels\Alpha;
-use Intervention\Image\Colors\Rgb\Colorspace;
+use Intervention\Image\Colors\Rgb\Color as RgbColor;
 use Intervention\Image\Interfaces\ColorInterface;
 use Mockery\Adapter\Phpunit\MockeryTestCase;
 
@@ -26,7 +26,8 @@ abstract class TestCase extends MockeryTestCase
 
     protected function assertTransparency(ColorInterface $color)
     {
-        $this->assertInstanceOf(Color::class, $color);
+        $this->assertInstanceOf(RgbColor::class, $color);
-        $this->assertEquals(0, $color->convertTo(Colorspace::class)->alpha()->value());
+        $channel = $color->channel(Alpha::class);
+        $this->assertEquals(0, $channel->value());
     }
 }