sparqapi/api/application/helpers/faceapi_helper.php

189 lines
8.3 KiB
PHP

<?php
class faceapi
{
public static function toMakeFaceBoundingBox($bounding_box, $path, $file_name, $key,$apcntid)
{
// ($image_name,$BoundingBox,$destination_path,$extension){
log_message('ERROR', "In faceapi helper @ line no : 6 to Make FaceBoundingBox", $path, $file_name);
$file_path = $path . $file_name;
// $red = imagecolorallocate($img, 255, 0, 0);
// $black = imagecolorallocate($img, 0, 0, 0);
// $white = imagecolorallocate($img, 255, 255, 255);
list($imagewidth, $imageheight) = getimagesize($file_path);
log_message('ERROR', 'In faceapi helper @ line no : 25 to Make FaceBoundingBox image_width' . $imagewidth . 'image_height' . $imageheight);
if (count($bounding_box) > 0) {
$response = array();
$CmpBoundingBox = $bounding_box['compare_image'];
$file_path = $path . $file_name;
$info = getimagesize($file_path);
$extension = image_type_to_extension($info[2]);
$SrcBoundingBox = $bounding_box['source_image'];
if (count($CmpBoundingBox) > 0 && ($key == 'selfie_with_person_met')) {
$destination_path = $path . 'face_api_image_'.$apcntid . $extension;
if (!copy($file_path, $destination_path)) {
log_message('ERROR', 'failed to copy');
}
$img = imagecreatefrompng($destination_path);
for ($i = 0; $i < count($CmpBoundingBox); $i++) {
$Left_coordinate = ($CmpBoundingBox[$i]['Left'] * $imagewidth);
$Top_coordinate = ($CmpBoundingBox[$i]['Top'] * $imageheight);
$Face_width = ($CmpBoundingBox[$i]['Width'] * $imagewidth);
$Face_height = ($CmpBoundingBox[$i]['Height'] * $imageheight);
$Similarity = $CmpBoundingBox[$i]['Similarity'];
$x1 = $Left_coordinate;
$y1 = $Top_coordinate;
$data = self::imgCrop($x1, $y1, $Face_width, $Face_height, $Similarity, $img, $destination_path, $i,$apcntid);
self::DrawLine($x1, $y1, $Face_width, $Face_height, $Similarity, $img, $destination_path,$apcntid);
array_push($response,$data);
}
$d['compare_image'] = $response;
return $d;
} else {
$destination_path = $path . 'src_image_'.$apcntid . $extension;
if (!copy($file_path, $destination_path)) {
log_message('ERROR', 'failed to copy');
}
$img = imagecreatefrompng($destination_path);
$Left_coordinate = ($SrcBoundingBox['Left'] * $imagewidth);
$Top_coordinate = ($SrcBoundingBox['Top'] * $imageheight);
$Face_width = ($SrcBoundingBox['Width'] * $imagewidth);
$Face_height = ($SrcBoundingBox['Height'] * $imageheight);
$Similarity = 0;
$x1 = $Left_coordinate;
$y1 = $Top_coordinate;
$i = null;
// self::imgCrop($x1,$y1,$Face_width,$Face_height,$path,$file_name,$i);
$data = self::imgCrop($x1, $y1, $Face_width, $Face_height, $Similarity, $img, $destination_path, $i,$apcntid);
unlink($destination_path);
$response['source_image'] = $data;
return $response;
}
}
}
public static function DrawLine($x1, $y1, $Face_width, $Face_height, $Similarity, $img, $destination_path)
{
log_message('ERROR', 'In faceapi helper @ line no : 45 Draw Line x1 : ' . $x1 . ' y1 : ' . $y1 . ' Face_width : ' . $Face_width . ' Face_height : ' . $Face_height . ' Similarity : ' . $Similarity . ' img : ' . $img . ' destination_path : ' . $destination_path);
$Similarity_split = explode(".", $Similarity);
$Similarity_value = $Similarity_split[0];
list($imagewidth, $imageheight) = getimagesize($destination_path);
if ($Similarity_value > 80) { // above 81 green
$color = imagecolorallocate($img, 0, 153, 0);
} else if ($Similarity_value <= 80 && $Similarity_value > 60) { // in between 61 to 80 orange
$color = imagecolorallocate($img, 255, 165, 0);
} else if ($Similarity_value <= 60) { // below 60 red
$color = imagecolorallocate($img, 255, 0, 0);
}
$white = imagecolorallocate($img, 255, 255, 255);
log_message('ERROR', 'In faceapi helper @ line no : 45 Draw Line color : ' . $color);
$Similarity = $Similarity_value . " %";
//TOP LINe
$t_x1 = $x1;
$t_y1 = $y1;
$t_x2 = ($x1 + $Face_width);
$t_y2 = $y1;
//bottom line
$b_x1 = $x1;
$b_y1 = ($y1 + $Face_height);
$b_x2 = ($x1 + $Face_width);
$b_y2 = ($y1 + $Face_height);
$imgl = self::imagelinethick($img, $t_x1, $t_y1, $t_x2, $t_y2, $color, 7); //top line
$imgl = self::imagelinethick($img, $b_x1, $b_y1, $b_x2, $b_y2, $color, 7); //bottom line
$imgl = self::imagelinethick($img, $t_x1, $t_y1, $b_x1, $b_y1, $color, 7); //left line
$imgl = self::imagelinethick($img, $t_x2, $t_y2, $b_x2, $b_y2, $color, 7); //right line
// apppath / doc la roboto.tff
$font = APPPATH . "docs/roboto.ttf";
// imagettftext($img, 20, 0, ($t_x1), ($t_y1-5), $color,$font, $Similarity);
// imagepng($img, $destination_path);
// imagepng($img, "face4.png");
// imagefilledrectangle($img, $t_x1-5, $t_y1-18, $t_x1+28, $t_y1, $white);
// imagettftext($img, 10, 10, ($t_x1), ($t_y1-5), $color,$font, $Similarity);
imagefilledrectangle($img, $t_x1 - 5, $t_y1 - 30, $t_x1 + 60, $t_y1, $white);
imagettftext($img, 17, 8, ($t_x1), ($t_y1 - 5), $color, $font, $Similarity);
$get_image_format = explode(".", $destination_path);
$image_format = $get_image_format[1];
if ($image_format == 'png') {
imagepng($img, $destination_path);
} else if ($image_format == 'jpeg') {
imagejpeg($img, $destination_path);
} else if ($image_format == 'jpg') {
// $destination_path = $get_image_format[0].".jpeg";
imagejpg($img, $destination_path);
}
// $image_data = file_get_contents($destination_path);
// $base64 = base64_encode($image_data);
// return array('name' => $temp_image_name, 'base64' => $base64, 'Similarity' => $Similarity);
}
public static function imagelinethick($image, $x1, $y1, $x2, $y2, $color, $thick = 1)
{
/* this way it works well only for orthogonal lines
imagesetthickness($image, $thick);
return imageline($image, $x1, $y1, $x2, $y2, $color);
*/
if ($thick == 1) {
return imageline($image, $x1, $y1, $x2, $y2, $color);
}
$t = $thick / 2 - 0.5;
if ($x1 == $x2 || $y1 == $y2) {
return imagefilledrectangle($image, round(min($x1, $x2) - $t), round(min($y1, $y2) - $t), round(max($x1, $x2) + $t), round(max($y1, $y2) + $t), $color);
}
$k = ($y2 - $y1) / ($x2 - $x1); //y = kx + q
$a = $t / sqrt(1 + pow($k, 2));
$points = array(
round($x1 - (1 + $k) * $a), round($y1 + (1 - $k) * $a),
round($x1 - (1 - $k) * $a), round($y1 - (1 + $k) * $a),
round($x2 + (1 + $k) * $a), round($y2 - (1 - $k) * $a),
round($x2 + (1 - $k) * $a), round($y2 + (1 + $k) * $a),
);
imagefilledpolygon($image, $points, 4, $color);
return imagepolygon($image, $points, 4, $color);
}
public static function imgCrop($x1, $y1, $Face_width, $Face_height, $Similarity, $img, $destination_path, $i,$apcntid)
{
$temp_image_name = $i === null ? "id_proof_crop_".$apcntid.".png" : "face_crop_".$apcntid."_" . $i . ".png";
log_message('ERROR', 'In faceapi helper - imgCrop @ line no : 126 x1 : ' . $x1 . ' y1 : ' . $y1 . ' Face_width : ' . $Face_width . ' Face_height : ' . $Face_height . ' Similarity : ' . $Similarity . ' img : ' . $img . ' destination_path : ' . $destination_path);
$destination_path_2 = preg_replace('#/\w+(\.\w+)$#', '/' . $temp_image_name, $destination_path);
log_message('ERROR', 'In faceapi helper - imgCrop @ line no : 126 destination_path b4 : ' . $destination_path . ' destination_path after : ' . $destination_path_2);
$to_crop_array = array('x' => $x1, 'y' => $y1, 'width' => $Face_width, 'height' => $Face_height);
$dest = imagecrop($img, $to_crop_array);
$get_image_format = explode(".", $destination_path);
$image_format = $get_image_format[1];
if ($image_format == 'png') {
imagepng($dest, $destination_path_2);
} else if ($image_format == 'jpeg') {
imagejpeg($dest, $destination_path_2);
} else if ($image_format == 'jpg') {
imagejpg($dest, $destination_path_2);
}
$image_data = file_get_contents($destination_path_2);
$base64 = base64_encode($image_data);
unlink($destination_path_2);
$Similarity_split = explode(".", $Similarity);
$Similarity_value = $Similarity_split[0];
// if($i === null){
return array('name' => $temp_image_name, 'base64' => $base64, 'Similarity' => $Similarity_value);
// }else{
// return array($i => array('name' => $temp_image_name, 'base64' => $base64, 'Similarity' => $Similarity));
// }
// return array('name' => $temp_image_name, 'base64' => $base64, 'Similarity' => $Similarity);
// unlink($destination_path);
}
}