fix facedetection

system/vendor/php-facedetection/Exception/NoFaceException.php

@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * Throws exception if face was not detected in `faceDetect` call.
+ */
+
+namespace svay\Exception;
+
+use Exception;
+
+class NoFaceException extends Exception {
+
+}

system/vendor/php-facedetection/FaceDetector.php

@@ -0,0 +1,396 @@
+<?php
+//
+// 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 2
+// 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, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// @Author Karthik Tharavaad
+//         karthik_tharavaad@yahoo.com
+// @Contributor Maurice Svay
+//              maurice@svay.Com
+
+namespace svay;
+
+use Exception;
+use svay\Exception\NoFaceException;
+
+class FaceDetector
+{
+
+    protected $detection_data;
+    protected $canvas;
+    protected $face;
+    private     $reduced_canvas;
+    protected $timeout = null;
+    protected $time_start;
+
+    /**
+     * Creates a face-detector with the given configuration
+     *
+     * Configuration can be either passed as an array or as
+     * a filepath to a serialized array file-dump
+     *
+     * @param string|array $detection_data
+     *
+     * @throws Exception
+     */
+    public function __construct($detection_data = 'detection.json')
+    {
+        if (is_array($detection_data)) {
+            $this->detection_data = $detection_data;
+            return;
+        }
+
+        if (!is_file($detection_data)) {
+            // fallback to same file in this class's directory
+            $detection_data = dirname(__FILE__) . DIRECTORY_SEPARATOR . $detection_data;
+
+            if (!is_file($detection_data)) {
+                throw new \Exception("Couldn't load detection data");
+            }
+        }
+
+        $this->detection_data = json_decode(file_get_contents($detection_data));
+    }
+
+    public function setTimeout($micro_seconds)
+    {
+        $this->timeout = $micro_seconds;
+    }
+
+    public function faceDetect($file)
+    {
+        $this->time_start = microtime();
+        if (is_resource($file)) {
+
+            $this->canvas = $file;
+        } elseif (is_file($file)) {
+
+            $this->canvas = imagecreatefromjpeg($file);
+        } elseif (is_string($file)) {
+
+            $this->canvas = imagecreatefromstring($file);
+        } else {
+
+            throw new Exception("Can not load $file");
+        }
+
+        $sharpen = array(
+            array(0.0, -1.0, 0.0),
+            array(-1.0, 5.0, -1.0),
+            array(0.0, -1.0, 0.0)
+        );
+
+        $divisor = array_sum(array_map('array_sum', $sharpen));
+
+        imageconvolution($this->canvas, $sharpen, $divisor, 0);
+
+        $im_width = imagesx($this->canvas);
+        $im_height = imagesy($this->canvas);
+
+        //Resample before detection?
+        $diff_width = 320 - $im_width;
+        $diff_height = 240 - $im_height;
+        if ($diff_width > $diff_height) {
+            $ratio = $im_width / 320;
+        } else {
+            $ratio = $im_height / 240;
+        }
+
+        if ($ratio != 0) {
+            $this->reduced_canvas = imagecreatetruecolor($im_width / $ratio, $im_height / $ratio);
+
+            imagecopyresampled(
+                $this->reduced_canvas,
+                $this->canvas,
+                0,
+                0,
+                0,
+                0,
+                $im_width / $ratio,
+                $im_height / $ratio,
+                $im_width,
+                $im_height
+            );
+
+            $stats = $this->getImgStats($this->reduced_canvas);
+
+            $this->face = $this->doDetectGreedyBigToSmall(
+                $stats['ii'],
+                $stats['ii2'],
+                $stats['width'],
+                $stats['height']
+            );
+
+            if ($this->face['w'] > 0) {
+                $this->face['x'] *= $ratio;
+                $this->face['y'] *= $ratio;
+                $this->face['w'] *= $ratio;
+            }
+        } else {
+            $stats = $this->getImgStats($this->canvas);
+
+            $this->face = $this->doDetectGreedyBigToSmall(
+                $stats['ii'],
+                $stats['ii2'],
+                $stats['width'],
+                $stats['height']
+            );
+        }
+        return ($this->face['w'] > 0);
+    }
+
+
+    public function toJpeg()
+    {
+        $color = imagecolorallocate($this->canvas, 255, 0, 0); //red
+
+        imagerectangle(
+            $this->canvas,
+            $this->face['x'],
+            $this->face['y'],
+            $this->face['x'] + $this->face['w'],
+            $this->face['y'] + $this->face['w'],
+            $color
+        );
+
+        header('Content-type: image/jpeg');
+        imagejpeg($this->canvas);
+    }
+
+    /**
+     * Crops the face from the photo.
+     * Should be called after `faceDetect` function call
+     * If file is provided, the face will be stored in file, other way it will be output to standard output.
+     *
+     * @param string|null $outFileName file name to store. If null, will be printed to output
+     * @param boolean|false $resize resize crop image.
+     * @param int $width widht of new crop image. $resize value must 'true'. default to 200
+     * @param int $height height of new crop image. $resize value must 'true'. default to 200
+     *
+     * @throws NoFaceException
+     */
+    public function cropFaceToJpeg($outFileName = null, $resize = false, $width = 200)
+    {
+        if (empty($this->face)) {
+            throw new NoFaceException('No face detected');
+        }
+        if (!$resize) {
+            $x = ($a = $this->face['x'] - $this->face['w'] / 2) > 0 ? $a : 0;
+            $y = ($b = $this->face['y'] - $this->face['w'] / 2) > 0 ? $b : 0;
+            $im_width = imagesx($this->canvas);
+            $im_height = imagesy($this->canvas);
+            $w = ($w = $this->face['w'] * 2) > $im_width ? $im_width : $w;
+            $h = ($h = $w) > $im_height ? $im_height : $h;
+
+            $canvas = imagecreatetruecolor($w, $h);
+            imagecopy($canvas, $this->canvas, 0, 0, $x, $y, $w, $h);
+            // $canvas = imagecreatetruecolor($this->face['w'], $this->face['w']);
+            // imagecopy($canvas, $this->canvas, 0, 0, $this->face['x'], $this->face['y'], $this->face['w'], $this->face['w']);
+        } else {
+            $x = ($a = $this->face['x'] - $width / 2) > 0 ? $a : 0;
+            $y = ($b = $this->face['y'] - $width / 2) > 0 ? $b : 0;
+            $im_width = imagesx($this->canvas);
+            $im_height = imagesy($this->canvas);
+            $w = ($w = $width * 2) > $im_width ? $im_width : $w;
+            $h = ($h = $w) > $im_height ? $im_height : $h;
+
+            $canvas = imagecreatetruecolor($w, $h);
+            imagecopy($canvas, $this->canvas, 0, 0, $x, $y, $w, $h);
+
+            // $canvas = imagecreatetruecolor($width, $width);
+            // imagecopyresized($canvas, $this->canvas, 0, 0, $this->face['x'], $this->face['y'], $width, $width, $this->face['w'], $this->face['w']);
+        }
+
+        if ($outFileName === null) {
+            header('Content-type: image/jpeg');
+        }
+
+        imagejpeg($canvas, $outFileName);
+    }
+
+    public function toJson()
+    {
+        return json_encode($this->face);
+    }
+
+    public function getFace()
+    {
+        return $this->face;
+    }
+
+    protected function getImgStats($canvas)
+    {
+        $image_width = imagesx($canvas);
+        $image_height = imagesy($canvas);
+        $iis =  $this->computeII($canvas, $image_width, $image_height);
+        return array(
+            'width' => $image_width,
+            'height' => $image_height,
+            'ii' => $iis['ii'],
+            'ii2' => $iis['ii2']
+        );
+    }
+
+    protected function computeII($canvas, $image_width, $image_height)
+    {
+        $ii_w = $image_width + 1;
+        $ii_h = $image_height + 1;
+        $ii = array();
+        $ii2 = array();
+
+        for ($i = 0; $i < $ii_w; $i++) {
+            $ii[$i] = 0;
+            $ii2[$i] = 0;
+        }
+
+        for ($i = 1; $i < $ii_h - 1; $i++) {
+            $ii[$i * $ii_w] = 0;
+            $ii2[$i * $ii_w] = 0;
+            $rowsum = 0;
+            $rowsum2 = 0;
+            for ($j = 1; $j < $ii_w - 1; $j++) {
+                $rgb = ImageColorAt($canvas, $j, $i);
+                $red = ($rgb >> 16) & 0xFF;
+                $green = ($rgb >> 8) & 0xFF;
+                $blue = $rgb & 0xFF;
+                $grey = (0.2989 * $red + 0.587 * $green + 0.114 * $blue) >> 0;  // this is what matlab uses
+                $rowsum += $grey;
+                $rowsum2 += $grey * $grey;
+
+                $ii_above = ($i - 1) * $ii_w + $j;
+                $ii_this = $i * $ii_w + $j;
+
+                $ii[$ii_this] = $ii[$ii_above] + $rowsum;
+                $ii2[$ii_this] = $ii2[$ii_above] + $rowsum2;
+            }
+        }
+        return array('ii' => $ii, 'ii2' => $ii2);
+    }
+
+    protected function doDetectGreedyBigToSmall($ii, $ii2, $width, $height)
+    {
+        $s_w = $width / 20.0;
+        $s_h = $height / 20.0;
+        $start_scale = $s_h < $s_w ? $s_h : $s_w;
+        $scale_update = 1 / 1.2;
+        for ($scale = $start_scale; $scale > 1; $scale *= $scale_update) {
+            if ($this->timeout && microtime() - $this->time_start > $this->timeout) {
+                throw new Exception("Face dectection has timed out");
+            }
+            $w = (20 * $scale) >> 0;
+            $endx = $width - $w - 1;
+            $endy = $height - $w - 1;
+            $step = max($scale, 2) >> 0;
+            $inv_area = 1 / ($w * $w);
+            for ($y = 0; $y < $endy; $y += $step) {
+                for ($x = 0; $x < $endx; $x += $step) {
+                    $passed = $this->detectOnSubImage($x, $y, $scale, $ii, $ii2, $w, $width + 1, $inv_area);
+                    if ($passed) {
+                        return array('x' => $x, 'y' => $y, 'w' => $w);
+                    }
+                } // end x
+            } // end y
+        }  // end scale
+        return null;
+    }
+
+    protected function detectOnSubImage($x, $y, $scale, $ii, $ii2, $w, $iiw, $inv_area)
+    {
+        $mean  = ($ii[($y + $w) * $iiw + $x + $w] + $ii[$y * $iiw + $x] - $ii[($y + $w) * $iiw + $x] - $ii[$y * $iiw + $x + $w]) * $inv_area;
+
+        $vnorm = ($ii2[($y + $w) * $iiw + $x + $w]
+            + $ii2[$y * $iiw + $x]
+            - $ii2[($y + $w) * $iiw + $x]
+            - $ii2[$y * $iiw + $x + $w]) * $inv_area - ($mean * $mean);
+
+        $vnorm = $vnorm > 1 ? sqrt($vnorm) : 1;
+
+        $count_data = count($this->detection_data);
+
+        for ($i_stage = 0; $i_stage < $count_data; $i_stage++) {
+            $stage = $this->detection_data[$i_stage];
+            $trees = $stage[0];
+
+            $stage_thresh = $stage[1];
+            $stage_sum = 0;
+
+            $count_trees = count($trees);
+
+            for ($i_tree = 0; $i_tree < $count_trees; $i_tree++) {
+                $tree = $trees[$i_tree];
+                $current_node = $tree[0];
+                $tree_sum = 0;
+                while ($current_node != null) {
+                    $vals = $current_node[0];
+                    $node_thresh = $vals[0];
+                    $leftval = $vals[1];
+                    $rightval = $vals[2];
+                    $leftidx = $vals[3];
+                    $rightidx = $vals[4];
+                    $rects = $current_node[1];
+
+                    $rect_sum = 0;
+                    $count_rects = count($rects);
+
+                    for ($i_rect = 0; $i_rect < $count_rects; $i_rect++) {
+                        $s = $scale;
+                        $rect = $rects[$i_rect];
+                        $rx = ($rect[0] * $s + $x) >> 0;
+                        $ry = ($rect[1] * $s + $y) >> 0;
+                        $rw = ($rect[2] * $s) >> 0;
+                        $rh = ($rect[3] * $s) >> 0;
+                        $wt = $rect[4];
+
+                        $r_sum = ($ii[($ry + $rh) * $iiw + $rx + $rw]
+                            + $ii[$ry * $iiw + $rx]
+                            - $ii[($ry + $rh) * $iiw + $rx]
+                            - $ii[$ry * $iiw + $rx + $rw]) * $wt;
+
+                        $rect_sum += $r_sum;
+                    }
+
+                    $rect_sum *= $inv_area;
+
+                    $current_node = null;
+
+                    if ($rect_sum >= $node_thresh * $vnorm) {
+
+                        if ($rightidx == -1) {
+
+                            $tree_sum = $rightval;
+                        } else {
+
+                            $current_node = $tree[$rightidx];
+                        }
+                    } else {
+
+                        if ($leftidx == -1) {
+
+                            $tree_sum = $leftval;
+                        } else {
+
+                            $current_node = $tree[$leftidx];
+                        }
+                    }
+                }
+
+                $stage_sum += $tree_sum;
+            }
+            if ($stage_sum < $stage_thresh) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

system/vendor/php-facedetection/LICENSE.txt

@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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+
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+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
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+
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+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
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+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 2 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.
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+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
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+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
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+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
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+
+You should also get your employer (if you work as a programmer) or your
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+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.

system/vendor/php-facedetection/README.md

@@ -0,0 +1,14 @@
+PHP Face Detection
+==================
+
+This class can detect one face in images ATM.
+
+This is a pure PHP port of an existing JS code from Karthik Tharavaad.
+
+Requirements
+------------
+PHP5 with GD
+
+License
+-------
+GNU GPL v2 (See LICENSE.txt)

system/vendor/php-facedetection/composer.json

@@ -0,0 +1,19 @@
+{
+    "name": "mauricesvay/php-facedetection",
+    "description": "PHP class to detect one face in images. A pure PHP port of an existing JS code from Karthik Tharavad.",
+    "license": "GPL-2.0",
+    "homepage": "https://github.com/mauricesvay/php-facedetection",
+    "authors": [
+        {
+            "name": "Maurice Svay",
+            "homepage": "https://github.com/mauricesvay/php-facedetection/graphs/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=5.2.0",
+        "ext-gd": "*"
+    },
+    "autoload": {
+        "classmap": ["FaceDetector.php", "Exception/"]
+    }
+}

system/vendor/php-facedetection/index.php

@@ -0,0 +1,7 @@
+<?php
+
+include "FaceDetector.php";
+
+$detector = new svay\FaceDetector('detection.dat');
+$detector->faceDetect('lena512color.jpg');
+$detector->toJpeg();

system/vendor/yosiazwan/php-facedetection

@@ -1 +0,0 @@
-Subproject commit b016273ceceacd85562bbc50384fbabc947fe525