Edit error messages

src/Colors/AbstractColor.php

@@ -26,7 +26,7 @@ abstract class AbstractColor implements ColorInterface
         });
 
         if (count($channels) == 0) {
-            throw new ColorException('Channel ' . $classname . ' could not be found.');
+            throw new ColorException('Color channel ' . $classname . ' could not be found.');
         }
 
         return reset($channels);

src/Drivers/Gd/ColorProcessor.php

@@ -40,7 +40,7 @@ class ColorProcessor implements ColorProcessorInterface
     public function nativeToColor(mixed $value): ColorInterface
     {
         if (! is_int($value)) {
-            throw new ColorException("GD driver can only decode colors in integer format.");
+            throw new ColorException('GD driver can only decode colors in integer format.');
         }
 
         $a = ($value >> 24) & 0xFF;

src/Drivers/Gd/Driver.php

@@ -32,7 +32,7 @@ class Driver extends AbstractDriver
     {
         if (!extension_loaded('gd') || !function_exists('gd_info')) {
             throw new RuntimeException(
-                'GD Library extension not available with this PHP installation.'
+                'GD PHP extension must be installed to use this driver.'
             );
         }
     }

src/Drivers/Gd/Modifiers/ColorspaceModifier.php

@@ -16,7 +16,7 @@ class ColorspaceModifier extends DriverSpecializedModifier
     {
         if (!is_a($this->targetColorspace(), RgbColorspace::class)) {
             throw new NotSupportedException(
-                'Only RGB colorspace is supported with GD driver.'
+                'Only RGB colorspace is supported by GD driver.'
             );
         }
 

src/Drivers/Imagick/Core.php

@@ -95,7 +95,7 @@ class Core implements CoreInterface, Iterator
             }
         }
 
-        throw new AnimationException('Frame #' . $position . ' is not be found in the image.');
+        throw new AnimationException('Frame #' . $position . ' could not be found in the image.');
     }
 
     public function loops(): int

src/Drivers/Imagick/Driver.php

@@ -34,7 +34,7 @@ class Driver extends AbstractDriver
     {
         if (!extension_loaded('imagick') || !class_exists('Imagick')) {
             throw new RuntimeException(
-                'ImageMagick extension not available with this PHP installation.'
+                'Imagick PHP extension must be installed to use this driver.'
             );
         }
     }