protected function _watermark($filename, $position, $padding = 5)
{
$values = parent::_watermark($filename, $position, $padding);
if ($values == false) {
throw new \InvalidArgumentException("Watermark image not found or invalid filetype.");
} else {
extract($values);
$wsizes = $this->sizes($filename);
$sizes = $this->sizes();
// Load the watermark preserving transparency
$watermark = $this->load($filename, true);
// Below is to prevent glitch in GD with negative $x coords
if ($x < 0 || $y < 0) {
$this->debug("Modifying watermark to remove negative coords.");
// Generate a new width and height for the watermark.
$newwidth = $x < 0 ? $wsizes->width + $x : $wsizes->width;
$newheight = $y < 0 ? $wsizes->height + $y : $wsizes->height;
// Create a transparent image the size of the new watermark.
$tmpwatermark = $this->create_transparent_image($newwidth, $newheight);
$this->debug("New size is {$newwidth} x {$newheight} and coords are {$x} , {$y}");
// Call the resize function based on image format
imagecopy($tmpwatermark, $watermark, 0, 0, $x < 0 ? abs($x) : 0, $y < 0 ? abs($y) : 0, $newwidth, $newheight);
// Set the variables for the image_merge
$watermark = $tmpwatermark;
$x = $x < 0 ? 0 : $x;
$y = $y < 0 ? 0 : $y;
}
// Used as a workaround for lack of alpha support in imagecopymerge.
$this->debug("Coords for watermark are {$x} , {$y}");
$this->image_merge($this->image_data, $watermark, $x, $y, $this->config['watermark_alpha']);
}
}
protected function _watermark($filename, $position, $padding = 5)
{
extract(parent::_watermark($filename, $position, $padding));
$wmimage = new \Imagick();
$wmimage->readImage($filename);
$wmimage->evaluateImage(\Imagick::EVALUATE_MULTIPLY, $this->config['watermark_alpha'] / 100, \Imagick::CHANNEL_ALPHA);
$this->imagick->compositeImage($wmimage, \Imagick::COMPOSITE_DEFAULT, $x, $y);
}
protected function _watermark($filename, $position, $padding = 5)
{
$values = parent::_watermark($filename, $position, $padding);
if ($values == false) {
throw new \InvalidArgumentException("Watermark image not found or invalid filetype.");
}
extract($values);
$x >= 0 and $x = '+' . $x;
$y >= 0 and $y = '+' . $y;
$this->exec('composite', '-compose atop -geometry ' . $x . $y . ' ' . '-dissolve ' . $this->config['watermark_alpha'] . '% ' . '"' . $filename . '" "' . $this->image_temp . '" ' . $image);
}
