function addWatermark($srcPath, $dstPath, $width, $height)
{
global $IP, $wgImageMagickConvertCommand, $wgImageMagickCompositeCommand;
// do not add a watermark if the image is too small
if (WatermarkSupport::validImageSize($width, $height) == false) {
return;
}
$wm = $IP . '/skins/WikiHow/images/watermark.svg';
$watermarkWidth = 1074.447;
$targetWidth = $width / 8;
$density = 72 * $targetWidth / $watermarkWidth;
// we have a lower limit on density so the watermark is readable
if ($density < 4.0) {
$density = 4.0;
}
$cmd = "";
// make sure image is rgb format so the watermark applies correctly
if (WatermarkSupport::isCMYK($srcPath)) {
$cmd = wfEscapeShellArg($wgImageMagickConvertCommand) . " " . wfEscapeShellArg($srcPath) . " " . "-colorspace RGB " . wfEscapeShellArg($dstPath) . ";";
$srcPath = $dstPath;
}
$cmd = $cmd . wfEscapeShellArg($wgImageMagickConvertCommand) . " -density {$density} -background none " . wfEscapeShellArg($wm) . " miff:- | " . wfEscapeShellArg($wgImageMagickCompositeCommand) . " -gravity southeast -quality 100 -geometry +8+10 - " . wfEscapeShellArg($srcPath) . " " . wfEscapeShellArg($dstPath) . " 2>&1";
$beforeExists = file_exists($dstPath);
wfDebug(__METHOD__ . ": running ImageMagick: {$cmd}\n");
$err = wfShellExec($cmd, $retval);
$afterExists = file_exists($dstPath);
$currentDate = `date`;
wfErrorLog(trim($currentDate) . " {$cmd} b:" . ($beforeExists ? 't' : 'f') . " a:" . ($afterExists ? 't' : 'f') . "\n", '/tmp/watermark.log');
wfProfileOut('watermark');
}
if (!$articleTitle) {
continue;
}
$articleName = $articleTitle->getPartialURL();
echo "processing article: {$articleName} with id: {$articleId}\n";
$processedCount = $processedCount + 1;
$articleName = $articleTitle->getPartialURL();
$imageLinks = array();
$res = $dbr->select(array('imagelinks'), 'il_to', array('il_from' => $articleId));
$found = "";
foreach ($res as $row) {
$title = Title::newFromText($row->il_to, NS_IMAGE);
$imageFile = wfFindFile($title, false);
if ($imageFile && $imageFile->fileExists) {
// make sure it's a wikiphoto image
if ($imageFile->user_text != "Wikiphoto") {
continue;
}
$fullPath = $imageFile->getFullPath();
//decho("checking", $fullPath, false);
$cmyk = WatermarkSupport::isCMYK($fullPath);
if ($cmyk) {
$found = $fullPath;
break;
}
}
}
if ($found != "") {
echo "article with CMYK image: {$articleId} - {$articleName} image is: {$found}\n";
}
}
