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images.combine.php
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<?php
// auxillary functions
// sets image background to white and init default image parameters
function setBackgroundWhite($image) {
$white = imagecolorallocate($image , 255, 255, 255);
imagefill($image, 0, 0, $white);
// setting default image parameters
imagealphablending($image, false);
imagesavealpha($image, true);
}
session_start();
if(!isset($_SESSION['logged_on'])){ ?> <script type="text/javascript"> parent.reload(); </script><?php echo "\n"; } else { $user = $_SESSION['user']; }
require_once 'constants.php';
echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n";
$projectsShown = filter_input(INPUT_POST, "projectsShown", FILTER_SANITIZE_STRING);
// $user = 'darren1';
// $projectsShown = 'darren1:12353_A21-s02-m08-r09:1:null:null:SC5314_A21-s02-m08-r09 darren1:12353_vs_hapmap_A21-s02-m08-r09:3:cyan:magenta:12353_vs_hapmap_A21-s02-m08-r09 darren1:testing_hapmap:18:green:blue:testing_hapmap darren1:aaaaa:14:null:null:none default:Fig_02A.YQ2_raw:19:null:null:Fig_02A darren1:Fig_04_11461:5:null:null:Fig_04_11461';
echo "projectsShown = '".$projectsShown."'<br><br>\n";
// general variables
$linearCartoonHeight = 140; // the height in px of the cartoon without labels 136 valid so 4px
// creating combined images
$projectsShown_entries = explode(" ",$projectsShown);
$initial_entry = $projectsShown_entries[0];
$entry_parts = explode(":",$initial_entry);
$fig_user = $entry_parts[0];
$fig_project = $entry_parts[1];
$fig_key = $entry_parts[2];
$fig_color1 = $entry_parts[3];
$fig_color2 = $entry_parts[4];
$fig_parent = $entry_parts[5];
$fig_CNV_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.CNV-SNP-map.2.png";
$fig_CNV = "users/".$fig_user."/projects/".$fig_project."/fig.CNV-map.2.png";
if (file_exists("users/".$fig_user."/projects/".$fig_project."/fig.allelic_ratio-map.c2.png")) { // ddRADseq.
$fig_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.allelic_ratio-map.c2.png";
} else { // other.
$fig_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.SNP-map.2.png";
}
if (file_exists($fig_CNV_SNP)) { $initial_image = $fig_CNV_SNP;
} elseif (file_exists($fig_CNV)) { $initial_image = $fig_CNV;
} elseif (file_exists($fig_SNP)) { $initial_image = $fig_SNP;
}
$image_size = getimagesize($initial_image);
$image_width = $image_size[0];
$image_height = $image_size[1];
$numImages = count($projectsShown_entries);
// creating new images containers, width remains the same, height the same for first picture and then 130px for every other image (to contain only the cartoons)
// and setting backgorund to white
$working1 = imagecreatetruecolor($image_width,$image_height + ($numImages - 1)*$linearCartoonHeight);
setBackgroundWhite($working1); // set background to white
$working2 = imagecreatetruecolor($image_width,$image_height + ($numImages - 1)*$linearCartoonHeight);
setBackgroundWhite($working2); // set background to white
$working3 = imagecreatetruecolor($image_width,$image_height + ($numImages - 1)*$linearCartoonHeight);
setBackgroundWhite($working3); // set background to white
// connecting pictures
foreach ($projectsShown_entries as $entry_key => $projectsShown_entry) {
$entry_parts = explode(":",$projectsShown_entry);
$fig_user = $entry_parts[0];
$fig_project = $entry_parts[1];
$fig_key = $entry_parts[2];
$fig_color1 = $entry_parts[3];
$fig_color2 = $entry_parts[4];
$fig_parent = $entry_parts[5];
$fig_CNV_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.CNV-SNP-map.2.png";
$fig_CNV = "users/".$fig_user."/projects/".$fig_project."/fig.CNV-map.2.png";
if (file_exists("users/".$fig_user."/projects/".$fig_project."/fig.allelic_ratio-map.c2.png")) { // ddRADseq.
$fig_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.allelic_ratio-map.c2.png";
} else { // other.
$fig_SNP = "users/".$fig_user."/projects/".$fig_project."/fig.SNP-map.2.png";
}
// creating images for copy
$image1 = imagecreatefrompng($fig_CNV_SNP);
$image2 = imagecreatefrompng($fig_CNV);
$image3 = imagecreatefrompng($fig_SNP);
// getting sizes
$image1_size = getimagesize($fig_CNV_SNP);
$image1_height = $image_size[1];
$image2_size = getimagesize($fig_CNV);
$image2_height = $image_size[1];
$image3_size = getimagesize($fig_SNP);
$image3_height = $image_size[1];
// loading white color for in between filling
$white = imagecolorallocate($working1, 255, 255, 255);
if ($entry_key == 0) {
// copy first picture entirely
imagecopy($working1, $image1, 0, 0, 0, 0, $image_width, $image_height);
imagecopy($working2, $image2, 0, 0, 0, 0, $image_width, $image_height);
imagecopy($working3, $image3, 0, 0, 0, 0, $image_width, $image_height);
echo "[] ".$entry_key." ".$fig_CNV_SNP."<br>\n";
} else {
// copy only cartoon
imagecopy($working1, $image1, 0, $image_height + $linearCartoonHeight*($entry_key-1), 0, $image1_height - $linearCartoonHeight, $image_width, $linearCartoonHeight);
// filing in white in between
imagefilledrectangle($working1, 50, $image_height + $linearCartoonHeight*($entry_key-1) - 10, $image_width, $image_height + $linearCartoonHeight*($entry_key-1) + 4, $white);
imagecopy($working2, $image2, 0, $image_height + $linearCartoonHeight*($entry_key-1), 0, $image2_height - $linearCartoonHeight, $image_width, $linearCartoonHeight);
// filing in white in between
imagefilledrectangle($working2, 50, $image_height + $linearCartoonHeight*($entry_key-1)-10, $image_width, $image_height + $linearCartoonHeight*($entry_key-1) + 4, $white);
imagecopy($working3, $image3, 0, $image_height + $linearCartoonHeight*($entry_key-1), 0, $image3_height - $linearCartoonHeight, $image_width, $linearCartoonHeight);
// filing in white in between
imagefilledrectangle($working3, 50, $image_height + $linearCartoonHeight*($entry_key-1) - 10, $image_width, $image_height + $linearCartoonHeight*($entry_key-1) + 4, $white);
echo "... ".$entry_key." ".$fig_CNV_SNP."<br>\n";
}
}
// saving images and destroying
imagepng($working1,"users/".$user."/combined_figure.1.png");
imagepng($working2,"users/".$user."/combined_figure.2.png");
imagepng($working3,"users/".$user."/combined_figure.3.png");
imagedestroy($working1);
imagedestroy($working2);
imagedestroy($working3);
imagedestroy($image1);
imagedestroy($image2);
imagedestroy($image3);
?>