Thomas/Piwigo_Bratonien_Tools
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Apply profile watermark scaling at render time

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Terranom674
2026-08-15 15:36:23 +02:00
parent 50694f278b
commit a6607a91bf
1 changed files with 19 additions and 7 deletions
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26
watermark.php
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@@ -75,7 +75,7 @@ function bratonien_tools_fetch_derivative($rel_url, $physical_path)
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_TIMEOUT => 30,
CURLOPT_FAILONERROR => true,
CURLOPT_USERAGENT => 'BratonienTools/0.2.1',
CURLOPT_USERAGENT => 'BratonienTools/0.3.0',
));
$data = curl_exec($ch);
curl_close($ch);
@@ -176,6 +176,8 @@ if (!in_array($ext, array('jpg','jpeg','png','gif','webp'), true))
$ext = 'jpg';
}
$scale_percent = isset($profile['scale_percent']) ? max(1.0, min(1000.0, (float)$profile['scale_percent'])) : 100.0;
$cache_dir = PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.'bratonien-watermark/'.$profile_id;
if (!is_dir($cache_dir) && !mkdir($cache_dir, 0755, true) && !is_dir($cache_dir))
{
@@ -185,7 +187,7 @@ if (!is_dir($cache_dir) && !mkdir($cache_dir, 0755, true) && !is_dir($cache_dir)
$cache_fingerprint = array(
$rel_url,
$profile['watermark_file'], $profile['xpos'], $profile['ypos'],
$profile['watermark_file'], $scale_percent, $profile['xpos'], $profile['ypos'],
$profile['xrepeat'], $profile['yrepeat'], $profile['opacity'],
$profile['min_width'], $profile['min_height'], $profile['active'],
@filemtime($watermark_path),
@@ -209,14 +211,24 @@ if ($width < (int)$profile['min_width'] || $height < (int)$profile['min_height']
}
$wm = new pwg_image($watermark_path);
$wm_width = $wm->get_width();
$wm_height = $wm->get_height();
$original_wm_width = $wm->get_width();
$original_wm_height = $wm->get_height();
$wm_width = max(1, (int)round($original_wm_width * $scale_percent / 100));
$wm_height = max(1, (int)round($original_wm_height * $scale_percent / 100));
if ($wm_width !== $original_wm_width || $wm_height !== $original_wm_height)
{
$wm->resize($wm_width, $wm_height);
}
// A watermark may be deliberately enlarged, but it must never make the image
// renderer address pixels outside the derivative. If the requested size is
// larger than the derivative, keep the aspect ratio and fit it to the image.
if ($width < $wm_width || $height < $wm_height)
{
$scale = min($width / $wm_width, $height / $wm_height);
$wm_width = max(1, (int)floor($wm_width * $scale));
$wm_height = max(1, (int)floor($wm_height * $scale));
$fit = min($width / $wm_width, $height / $wm_height);
$wm_width = max(1, (int)floor($wm_width * $fit));
$wm_height = max(1, (int)floor($wm_height * $fit));
$wm->resize($wm_width, $wm_height);
}