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d854564f73
PHP can be compiled without support for certain image types. Our unit tests should be sensitive to these configurations. Fixes #31124. git-svn-id: https://develop.svn.wordpress.org/trunk@31510 602fd350-edb4-49c9-b593-d223f7449a82
546 lines
12 KiB
PHP
546 lines
12 KiB
PHP
<?php
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/**
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* Test the WP_Image_Editor_GD class
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* @group image
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* @group media
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* @group wp-image-editor-gd
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*/
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require_once( dirname( __FILE__ ) . '/base.php' );
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class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
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public $editor_engine = 'WP_Image_Editor_GD';
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public function setUp() {
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require_once( ABSPATH . WPINC . '/class-wp-image-editor.php' );
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require_once( ABSPATH . WPINC . '/class-wp-image-editor-gd.php' );
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parent::setUp();
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}
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public function tearDown() {
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$folder = DIR_TESTDATA . '/images/waffles-*.jpg';
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foreach ( glob( $folder ) as $file ) {
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unlink( $file );
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}
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$this->remove_added_uploads();
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parent::tearDown();
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}
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public function test_supports_mime_type_jpeg() {
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$gd_image_editor = new WP_Image_Editor_GD( null );
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$expected = imagetypes() & IMG_JPG;
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$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/jpeg' ) );
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}
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public function test_supports_mime_type_png() {
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$gd_image_editor = new WP_Image_Editor_GD( null );
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$expected = imagetypes() & IMG_PNG;
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$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/png' ) );
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}
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public function test_supports_mime_type_gif() {
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$gd_image_editor = new WP_Image_Editor_GD( null );
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$expected = imagetypes() & IMG_GIF;
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$this->assertEquals( $expected, $gd_image_editor->supports_mime_type( 'image/gif' ) );
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}
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/**
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* Test resizing an image, not using crop
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*/
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public function test_resize() {
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$file = DIR_TESTDATA . '/images/waffles.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$gd_image_editor->resize( 100, 50 );
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$this->assertEquals(
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array(
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'width' => 75,
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'height' => 50,
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),
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$gd_image_editor->get_size()
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);
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}
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/**
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* Test multi_resize with single image resize and no crop
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*/
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public function test_single_multi_resize() {
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$file = DIR_TESTDATA . '/images/waffles.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$sizes_array = array(
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array(
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'width' => 50,
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'height' => 50,
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),
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);
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$resized = $gd_image_editor->multi_resize( $sizes_array );
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# First, check to see if returned array is as expected
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$expected_array = array(
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array(
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'file' => 'waffles-50x33.jpg',
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'width' => 50,
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'height' => 33,
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'mime-type' => 'image/jpeg',
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),
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);
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$this->assertEquals( $expected_array, $resized );
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// Now, verify real dimensions are as expected
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$image_path = DIR_TESTDATA . '/images/'. $resized[0]['file'];
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$this->assertImageDimensions(
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$image_path,
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$expected_array[0]['width'],
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$expected_array[0]['height']
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);
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}
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/**
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* Ensure multi_resize doesn't create an image when
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* both height and weight are missing, null, or 0.
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*
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* ticket 26823
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*/
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public function test_multi_resize_does_not_create() {
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$file = DIR_TESTDATA . '/images/waffles.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$sizes_array = array(
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array(
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'width' => 0,
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'height' => 0,
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),
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array(
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'width' => 0,
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'height' => 0,
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'crop' => true,
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),
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array(
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'width' => null,
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'height' => null,
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),
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array(
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'width' => null,
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'height' => null,
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'crop' => true,
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),
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array(
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'width' => '',
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'height' => '',
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),
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array(
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'width' => '',
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'height' => '',
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'crop' => true,
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),
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array(
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'width' => 0,
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),
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array(
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'width' => 0,
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'crop' => true,
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),
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array(
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'width' => null,
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),
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array(
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'width' => null,
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'crop' => true,
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),
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array(
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'width' => '',
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),
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array(
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'width' => '',
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'crop' => true,
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),
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);
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$resized = $gd_image_editor->multi_resize( $sizes_array );
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// If no images are generated, the returned array is empty.
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$this->assertEmpty( $resized );
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}
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/**
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* Test multi_resize with multiple sizes
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*
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* ticket 26823
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*/
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public function test_multi_resize() {
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$file = DIR_TESTDATA . '/images/waffles.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$sizes_array = array(
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/**
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* #0 - 10x10 resize, no cropping.
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* By aspect, should be 10x6 output.
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*/
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array(
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'width' => 10,
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'height' => 10,
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'crop' => false,
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),
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/**
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* #1 - 75x50 resize, with cropping.
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* Output dimensions should be 75x50
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*/
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array(
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'width' => 75,
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'height' => 50,
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'crop' => true,
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),
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/**
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* #2 - 20 pixel max height, no cropping.
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* By aspect, should be 30x20 output.
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*/
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array(
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'width' => 9999, # Arbitrary High Value
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'height' => 20,
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'crop' => false,
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),
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/**
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* #3 - 45 pixel max height, with cropping.
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* By aspect, should be 45x400 output.
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*/
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array(
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'width' => 45,
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'height' => 9999, # Arbitrary High Value
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'crop' => true,
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),
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/**
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* #4 - 50 pixel max width, no cropping.
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* By aspect, should be 50x33 output.
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*/
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array(
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'width' => 50,
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),
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/**
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* #5 - 55 pixel max width, no cropping, null height
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* By aspect, should be 55x36 output.
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*/
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array(
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'width' => 55,
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'height' => null,
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),
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/**
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* #6 - 55 pixel max height, no cropping, no width specified.
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* By aspect, should be 82x55 output.
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*/
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array(
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'height' => 55,
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),
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/**
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* #7 - 60 pixel max height, no cropping, null width.
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* By aspect, should be 90x60 output.
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*/
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array(
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'width' => null,
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'height' => 60,
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),
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/**
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* #8 - 70 pixel max height, no cropping, negative width.
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* By aspect, should be 105x70 output.
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*/
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array(
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'width' => -9999, # Arbitrary Negative Value
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'height' => 70,
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),
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/**
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* #9 - 200 pixel max width, no cropping, negative height.
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* By aspect, should be 200x133 output.
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*/
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array(
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'width' => 200,
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'height' => -9999, # Arbitrary Negative Value
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),
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);
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$resized = $gd_image_editor->multi_resize( $sizes_array );
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$expected_array = array(
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// #0
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array(
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'file' => 'waffles-10x7.jpg',
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'width' => 10,
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'height' => 7,
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'mime-type' => 'image/jpeg',
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),
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// #1
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array(
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'file' => 'waffles-75x50.jpg',
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'width' => 75,
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'height' => 50,
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'mime-type' => 'image/jpeg',
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),
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// #2
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array(
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'file' => 'waffles-30x20.jpg',
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'width' => 30,
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'height' => 20,
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'mime-type' => 'image/jpeg',
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),
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// #3
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array(
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'file' => 'waffles-45x400.jpg',
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'width' => 45,
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'height' => 400,
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'mime-type' => 'image/jpeg',
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),
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// #4
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array(
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'file' => 'waffles-50x33.jpg',
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'width' => 50,
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'height' => 33,
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'mime-type' => 'image/jpeg',
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),
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// #5
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array(
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'file' => 'waffles-55x37.jpg',
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'width' => 55,
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'height' => 37,
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'mime-type' => 'image/jpeg',
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),
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// #6
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array(
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'file' => 'waffles-83x55.jpg',
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'width' => 83,
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'height' => 55,
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'mime-type' => 'image/jpeg',
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),
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// #7
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array(
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'file' => 'waffles-90x60.jpg',
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'width' => 90,
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'height' => 60,
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'mime-type' => 'image/jpeg',
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),
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// #8
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array(
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'file' => 'waffles-105x70.jpg',
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'width' => 105,
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'height' => 70,
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'mime-type' => 'image/jpeg',
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),
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// #9
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array(
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'file' => 'waffles-200x133.jpg',
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'width' => 200,
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'height' => 133,
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'mime-type' => 'image/jpeg',
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),
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);
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$this->assertNotNull( $resized );
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$this->assertEquals( $expected_array, $resized );
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foreach( $resized as $key => $image_data ){
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$image_path = DIR_TESTDATA . '/images/' . $image_data['file'];
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// Now, verify real dimensions are as expected
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$this->assertImageDimensions(
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$image_path,
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$expected_array[$key]['width'],
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$expected_array[$key]['height']
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);
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}
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}
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/**
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* Test resizing an image with cropping
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*/
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public function test_resize_and_crop() {
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$file = DIR_TESTDATA . '/images/waffles.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$gd_image_editor->resize( 100, 50, true );
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$this->assertEquals(
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array(
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'width' => 100,
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'height' => 50,
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),
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$gd_image_editor->get_size()
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);
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}
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/**
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* Test cropping an image
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*/
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public function test_crop() {
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$file = DIR_TESTDATA . '/images/gradient-square.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$gd_image_editor->crop( 0, 0, 50, 50 );
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$this->assertEquals(
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array(
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'width' => 50,
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'height' => 50,
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),
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$gd_image_editor->get_size()
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);
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}
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/**
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* Test rotating an image 180 deg
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*/
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public function test_rotate() {
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$file = DIR_TESTDATA . '/images/gradient-square.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$property = new ReflectionProperty( $gd_image_editor, 'image' );
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$property->setAccessible( true );
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$color_top_left = imagecolorat( $property->getValue( $gd_image_editor ), 0, 0 );
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$gd_image_editor->rotate( 180 );
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$this->assertEquals( $color_top_left, imagecolorat( $property->getValue( $gd_image_editor ), 99, 99 ) );
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}
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/**
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* Test flipping an image
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*/
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public function test_flip() {
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$file = DIR_TESTDATA . '/images/gradient-square.jpg';
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$gd_image_editor = new WP_Image_Editor_GD( $file );
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$gd_image_editor->load();
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$property = new ReflectionProperty( $gd_image_editor, 'image' );
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$property->setAccessible( true );
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$color_top_left = imagecolorat( $property->getValue( $gd_image_editor ), 0, 0 );
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$gd_image_editor->flip( true, false );
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$this->assertEquals( $color_top_left, imagecolorat( $property->getValue( $gd_image_editor ), 0, 99 ) );
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}
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/**
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* Test the image created with WP_Image_Editor_GD preserves alpha when resizing
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*
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* @ticket 23039
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*/
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public function test_image_preserves_alpha_on_resize() {
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if ( ! ( imagetypes() & IMG_PNG ) ) {
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$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
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}
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$file = DIR_TESTDATA . '/images/transparent.png';
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$editor = wp_get_image_editor( $file );
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$this->assertNotInstanceOf( 'WP_Error', $editor );
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$editor->load();
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$editor->resize( 5, 5 );
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$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
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$editor->save( $save_to_file );
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$this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), 127 );
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unlink( $save_to_file );
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}
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/**
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* Test the image created with WP_Image_Editor_GD preserves alpha with no resizing etc
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*
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* @ticket 23039
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*/
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public function test_image_preserves_alpha() {
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if ( ! ( imagetypes() & IMG_PNG ) ) {
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$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
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}
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$file = DIR_TESTDATA . '/images/transparent.png';
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$editor = wp_get_image_editor( $file );
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$this->assertNotInstanceOf( 'WP_Error', $editor );
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$editor->load();
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$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
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$editor->save( $save_to_file );
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$this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), 127 );
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unlink( $save_to_file );
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}
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/**
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*
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* @ticket 30596
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*/
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public function test_image_preserves_alpha_on_rotate() {
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if ( ! ( imagetypes() & IMG_PNG ) ) {
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$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
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}
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$file = DIR_TESTDATA . '/images/transparent.png';
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$image = imagecreatefrompng( $file );
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$rgb = imagecolorat( $image, 0, 0 );
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$expected = imagecolorsforindex( $image, $rgb );
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$editor = new WP_Image_Editor_GD( $file );
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$this->assertNotInstanceOf( 'WP_Error', $editor );
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$editor->load();
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$editor->rotate( 180 );
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$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
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$editor->save( $save_to_file );
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$this->assertImageAlphaAtPointGD( $save_to_file, array( 0,0 ), $expected['alpha'] );
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unlink( $save_to_file );
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}
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}
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