diff options
Diffstat (limited to 'tests/phpunit')
| -rw-r--r-- | tests/phpunit/data/images/png-tests/grayscale-test-image.png | bin | 0 -> 8843 bytes | |||
| -rw-r--r-- | tests/phpunit/data/images/png-tests/vivid-green-bird.png | bin | 0 -> 2625142 bytes | |||
| -rw-r--r-- | tests/phpunit/tests/image/editorImagick.php | 61 |
3 files changed, 59 insertions, 2 deletions
diff --git a/tests/phpunit/data/images/png-tests/grayscale-test-image.png b/tests/phpunit/data/images/png-tests/grayscale-test-image.png Binary files differnew file mode 100644 index 0000000000..10f537a71b --- /dev/null +++ b/tests/phpunit/data/images/png-tests/grayscale-test-image.png diff --git a/tests/phpunit/data/images/png-tests/vivid-green-bird.png b/tests/phpunit/data/images/png-tests/vivid-green-bird.png Binary files differnew file mode 100644 index 0000000000..7b55b3d5e7 --- /dev/null +++ b/tests/phpunit/data/images/png-tests/vivid-green-bird.png diff --git a/tests/phpunit/tests/image/editorImagick.php b/tests/phpunit/tests/image/editorImagick.php index 8b00f3ac12..1edbf579c3 100644 --- a/tests/phpunit/tests/image/editorImagick.php +++ b/tests/phpunit/tests/image/editorImagick.php @@ -770,6 +770,8 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase { * @ticket 36477 * * @dataProvider data_resizes_are_small_for_16bit_images + * + * @param string $file Path to the image file. */ public function test_resizes_are_small_for_16bit_images( $file ) { @@ -783,7 +785,7 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase { $imagick_image_editor->resize( $size['width'] * .5, $size['height'] * .5 ); - $saved = $imagick_image_editor->save( $temp_file ); + $imagick_image_editor->save( $temp_file ); $new_filesize = filesize( $temp_file ); @@ -793,7 +795,7 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase { } /** - * data_test_resizes_are_small_for_16bit + * Data provider for test_resizes_are_small_for_16bit_images. * * @return array[] */ @@ -816,4 +818,59 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase { ), ); } + + /** + * Tests that the 'png:IHDR.color-type-orig' property is preserved after resizing + * Used to identify indexed PNG images, see https://www.w3.org/TR/PNG-Chunks.html#C.IHDR. + * + * @ticket 63448 + * @dataProvider data_png_color_type_after_resize + * + * @param string $file_path Path to the image file. + * @param int $expected_color_type The expected original color type. + */ + public function test_png_color_type_is_preserved_after_resize( $file_path, $expected_color_type ) { + + $temp_file = DIR_TESTDATA . '/images/test-temp.png'; + + $imagick_image_editor = new WP_Image_Editor_Imagick( $file_path ); + $imagick_image_editor->load(); + + $size = $imagick_image_editor->get_size(); + $imagick_image_editor->resize( $size['width'] * 0.5, $size['height'] * 0.5 ); + $imagick_image_editor->save( $temp_file ); + + $imagick = new Imagick( $temp_file ); + $actual_color_type = $imagick->getImageProperty( 'png:IHDR.color-type-orig' ); + + unlink( $temp_file ); + + $this->assertSame( (string) $expected_color_type, $actual_color_type, "The PNG original color type should be preserved after resize for {$file_path}." ); + } + + /** + * Data provider for test_png_color_type_is_preserved_after_resize. + * + * @return array[] + */ + public static function data_png_color_type_after_resize() { + return array( + 'vivid-green-bird_color_type_6' => array( + DIR_TESTDATA . '/images/png-tests/vivid-green-bird.png', + 6, // RGBA. + ), + 'grayscale-test-image_color_type_4' => array( + DIR_TESTDATA . '/images/png-tests/grayscale-test-image.png', + 4, // Grayscale with Alpha. + ), + 'rabbit-time-paletted-or8_color_type_3' => array( + DIR_TESTDATA . '/images/png-tests/rabbit-time-paletted-or8.png', + 3, // Paletted. + ), + 'test8_color_type_3' => array( + DIR_TESTDATA . '/images/png-tests/test8.png', + 3, // Paletted. + ), + ); + } } |
