public static function color_pixel_delta(&$base_img, &$compare_img, &$x, &$y) { $color = false; // for now we set to true when it should change, but ultimately should return a color $check_points = array(array($x + 1, $y), array($x - 1, $y), array($x, $y + 1), array($x, $y - 1)); foreach ($check_points as $point_r) { if (pts_image::rgb_int_diff(pts_image::rgb_gd_color_at($base_img, $point_r[0], $point_r[1]), pts_image::rgb_gd_color_at($compare_img, $point_r[0], $point_r[1])) > 12) { $color = array($point_r[0], $point_r[1]); break; } } return $color; }
public static function run($args) { $result = $args[0]; $result_file = new pts_result_file($result); $result_file_identifiers = $result_file->get_system_identifiers(); if (count($result_file_identifiers) < 2) { echo PHP_EOL . 'There are not multiple test runs in this result file.' . PHP_EOL; return false; } $base_identifier = pts_user_io::prompt_text_menu('Select the base test run', $result_file_identifiers); $base_select = new pts_result_merge_select($result, $base_identifier); $compare_identifier = pts_user_io::prompt_text_menu('Select the test run to compare', $result_file_identifiers); $compare_select = new pts_result_merge_select($result, $compare_identifier); do { $extract_to = 'iqc-analyze-' . rand(100, 999); } while (is_dir(PTS_SAVE_RESULTS_PATH . $extract_to)); $extract_result = pts_merge::merge_test_results($base_select, $compare_select); pts_client::save_test_result($extract_to . '/composite.xml', $extract_result); $compare_file = new pts_result_file($extract_to); $result_file_writer = new pts_result_file_writer('Image Delta'); foreach ($compare_file->get_result_objects() as $result_object) { if ($result_object->test_profile->get_display_format() != 'IMAGE_COMPARISON') { continue; } $base_result = null; $compare_result = null; foreach ($result_object->test_result_buffer->get_buffer_items() as $buffer_item) { if ($buffer_item->get_result_identifier() == $base_identifier && $base_result == null) { $base_result = $buffer_item->get_result_value(); } else { if ($buffer_item->get_result_identifier() == $compare_identifier && $compare_result == null) { $compare_result = $buffer_item->get_result_value(); } } if ($compare_result != null && $base_result != null) { break; } } if ($compare_result == null || $base_result == null) { continue; } $base_img = imagecreatefromstring(base64_decode($base_result)); $compare_img = imagecreatefromstring(base64_decode($compare_result)); $delta_img = imagecreatefromstring(base64_decode($compare_result)); $img_width = imagesx($base_img); $img_height = imagesy($base_img); $img_changed = false; for ($x = 0; $x < $img_width; $x++) { for ($y = 0; $y < $img_height; $y++) { $base_image_color = pts_image::rgb_gd_color_at($base_img, $x, $y); $compare_image_color = pts_image::rgb_gd_color_at($compare_img, $x, $y); if ($base_image_color == $compare_image_color || pts_image::rgb_int_diff($base_image_color, $compare_image_color) < 9) { if ($cords = pts_image::color_pixel_delta($base_img, $compare_img, $x, $y)) { $pixel_rgb = pts_image::rgb_gd_color_at($delta_img, $cords[0], $cords[1]); $color_invert = imagecolorresolve($delta_img, 255 - $pixel_rgb[0], 255 - $pixel_rgb[1], 255 - $pixel_rgb[2]); imagesetpixel($delta_img, $x, $y, $color_invert); $img_changed = true; } } } } if ($img_changed) { imagepng($delta_img, PTS_SAVE_RESULTS_PATH . $extract_to . '/scratch.png'); $result_value = base64_encode(file_get_contents(PTS_SAVE_RESULTS_PATH . $extract_to . '/scratch.png', FILE_BINARY)); pts_file_io::unlink(PTS_SAVE_RESULTS_PATH . $extract_to . '/scratch.png'); $result_file_writer->add_result_from_result_object_with_value_string($result_object, $result_value); } } pts_client::save_result_file($result_file_writer, $extract_to); pts_client::display_web_page(PTS_SAVE_RESULTS_PATH . $extract_to . '/composite.xml'); }