Changeset 31040 for trunk/tests/phpunit/tests/image/editor_imagick.php

Timestamp:

01/03/2015 10:01:54 PM (10 years ago)

Author:

wonderboymusic

Message:

Preserve alpha transparency when rotating a PNG while GD is the active image editor.

Adds unit tests.

Props frankpw, voldemortensen.
Fixes #30596.

File:

• trunk/tests/phpunit/tests/image/editor_imagick.php (modified) (1 diff)

trunk/tests/phpunit/tests/image/editor_imagick.php

@@ -508 +508 @@
         unlink( $save_to_file );
     }
+
+    /**
+     *
+     * @ticket 30596
+     */
+    public function test_image_peserves_alpha_on_rotate() {
+        $file = DIR_TESTDATA . '/images/transparent.png';
+
+        $pre_rotate_editor = new Imagick( $file );
+        $pre_rotate_pixel = $pre_rotate_editor->getImagePixelColor( 0, 0 );
+        $pre_rotate_alpha = $pre_rotate_pixel->getColorValue( imagick::COLOR_ALPHA );
+        $save_to_file = tempnam( get_temp_dir(),'' ) . '.png';
+        $pre_rotate_editor->writeImage( $save_to_file );
+        $pre_rotate_editor->destroy();
+
+        $image_editor = new WP_Image_Editor_Imagick( $save_to_file );
+        $image_editor->load();
+        $this->assertNotInstanceOf( 'WP_Error', $image_editor );
+        $image_editor->rotate( 180 );
+        $image_editor->save( $save_to_file );
+
+        $this->assertImageAlphaAtPointImagick( $save_to_file, array( 0, 0 ), $pre_rotate_alpha );
+        unlink( $save_to_file );
+    }
 }