/usr/share/phoronix-test-suite/pts-core/commands/analyze_image_delta.php is in phoronix-test-suite 4.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | <?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2009 - 2011, Phoronix Media
Copyright (C) 2009 - 2011, Michael Larabel
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class analyze_image_delta implements pts_option_interface
{
const doc_section = 'Result Analytics';
const doc_description = 'This option will analyze a test result file if it contains any test results that produced an image quality comparison (IQC) and will render image deltas illustrating the difference between images from two test results.';
public static function argument_checks()
{
return array(
new pts_argument_check(0, array('pts_types', 'is_result_file'), null)
);
}
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');
}
}
?>
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