hw_partner
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urmic_digital_encoder_decoder
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logo update

This commit is contained in:
Devdatt Bhatt 2026-05-20 12:14:55 +00:00
parent 2b150db94d
commit c3153e58c7
1 changed files with 61 additions and 21 deletions
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82
encoder/app.php
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@ -25,23 +25,64 @@ if (isset($_POST['submit'])) {
// Handle File Uploads
foreach ($upload_paths as $input_name => $destination) {
if (isset($_FILES[$input_name]) && $_FILES[$input_name]['error'] == 0) {
$ext = pathinfo($_FILES[$input_name]['name'], PATHINFO_EXTENSION);
if (strtolower($ext) !== 'png') {
$errors[] = "File for $input_name must be a PNG.";
} else {
// Move to primary destination (/var/www/html/)
if (move_uploaded_file($_FILES[$input_name]['tmp_name'], $destination)) {
// Create a copy in the encoder directory (/var/www/encoder/)
$filename = basename($destination);
$secondary_destination = $secondary_dir . $filename;
if (!copy($destination, $secondary_destination)) {
$errors[] = "Failed to create secondary copy for $input_name in encoder folder.";
}
} else {
$errors[] = "Failed to upload $input_name.";
}
$tmp_path = $_FILES[$input_name]['tmp_name'];
// 1. Verify it is actually a PNG using GD/getimagesize
$image_info = @getimagesize($tmp_path);
if (!$image_info || $image_info[2] !== IMAGETYPE_PNG) {
$errors[] = "File for $input_name must be a valid PNG image.";
continue;
}
// 2. Determine target dimensions
// Logo: 512x512, Ad: 1080x1080
$target_width = 1080;
$target_height = 1080;
if ($input_name === 'app_logo') {
$target_width = 512;
$target_height = 512;
}
// 3. Load the source image
$src_img = @imagecreatefrompng($tmp_path);
if (!$src_img) {
$errors[] = "Failed to process $input_name (Invalid PNG data).";
continue;
}
// 4. Create a blank truecolor canvas for the new size
$dst_img = imagecreatetruecolor($target_width, $target_height);
// 5. Preserve transparency for PNG
imagealphablending($dst_img, false);
imagesavealpha($dst_img, true);
$transparent = imagecolorallocatealpha($dst_img, 255, 255, 255, 127);
imagefill($dst_img, 0, 0, $transparent);
// 6. Resize (Resample) using interpolation for high quality
imagecopyresampled(
$dst_img, $src_img,
0, 0, 0, 0,
$target_width, $target_height,
imagesx($src_img), imagesy($src_img)
);
// 7. Save to primary destination with compression (level 7)
if (imagepng($dst_img, $destination, 7)) {
// Create a copy in the encoder directory (/var/www/encoder/)
$filename = basename($destination);
$secondary_destination = $secondary_dir . $filename;
if (!copy($destination, $secondary_destination)) {
$errors[] = "Failed to create secondary copy for $input_name in encoder folder.";
}
} else {
$errors[] = "Failed to save processed $input_name.";
}
// 8. Free memory
imagedestroy($src_img);
imagedestroy($dst_img);
}
}
@ -67,7 +108,6 @@ if (isset($_POST['submit'])) {
file_put_contents($json_file, json_encode($data_to_save, JSON_PRETTY_PRINT));
// Redirect to the same page to refresh the data and clear POST state
header("cap_url: " . $_SERVER['PHP_SELF']);
header("Location: " . $_SERVER['PHP_SELF']);
exit;
} else {
@ -142,8 +182,8 @@ include 'header.php';
<h3 style="margin-bottom: 15px;">Upload Ad (PNG)</h3>
<div class="input-group">
<input type="file" name="app_ad" accept="image/png" style="color: white;">
<?php if (file_exists('app_ad.png')): ?>
<div class="mt-2"><small style="color: #aaa;">Current:</small><br><img src="/app_ad.png" class="img-thumbnail" style="max-height: 60px; opacity: 0.7; margin-top: 5px;"></div>
<?php if (file_exists('/var/www/html/app_ad.png')): ?>
<div class="mt-2"><small style="color: #aaa;">Current:</small><br><img src="/app_ad.png" class="img-thumbnail" style="max-height: 60px; opacity: 0.7; margin-top: 5px;"></div >
<?php endif; ?>
</div>
</div>
@ -152,8 +192,8 @@ include 'header.php';
<h3 style="margin-bottom: 15px;">Upload Logo (PNG)</h3>
<div class="input-group">
<input type="file" name="app_logo" accept="image/png" style="color: white;">
<?php if (file_exists('app_logo.png')): ?>
<div class="mt-2"><small style="color: #aaa;">Current:</small><br><img src="/app_logo.png" class="img-thumbnail" style="max-height: 60px; opacity: 0.7; margin-top: 5px;"></div>
<?php if (file_exists('/var/www/html/app_logo.png')): ?>
<div class="mt-2"><small style="color: #aaa;">Current:</small><br><img src="/app_logo.png" class="img-thumbnail" style="max-height: 60px; opacity: 0.7; margin-top: 5px;"></div >
<?php endif; ?>
</div>
</div>