/**
* tries to resize an image to the exact size wile mantaining aspect ratio,
* the image will be croped to fit the measures
* @param $width
* @param $height
*/
function resizeExactly(phmagick $p, $width, $height)
{
//requires Crop plugin
//requires dimensions plugin
$p->requirePlugin('crop');
$p->requirePlugin('info');
list($w, $h) = $p->getInfo($p->getSource());
if ($w > $h) {
$h = $height;
$w = 0;
} else {
$h = 0;
$w = $width;
}
$p->resize($w, $h)->crop($width, $height);
}
function glow(phmagick $p, $color = '#827f00', $offset = 10, $transparency = 60)
{
$p->requirePlugin('info');
list($w, $h) = $p->getInfo($p->getSource());
$cmd = $p->getBinary('convert');
$cmd .= ' "' . $p->getSource() . '" ';
$cmd .= '( +clone -background "' . $color . '" -shadow ' . $transparency . 'x' . $offset . '-' . $offset / 4 . '+' . $offset / 4 . ' ) +swap -background none -layers merge +repage ';
$cmd .= ' "' . $p->getDestination() . '"';
$p->execute($cmd);
$p->setSource($p->getDestination());
$p->setHistory($p->getDestination());
return $p;
}
/**
* Flips the image horizonaly and verticaly
* @return unknown_type
*/
function reflection(phmagick $p, $size = 60, $transparency = 50)
{
$p->requirePlugin('info');
$source = $p->getSource();
//invert image
$this->flipVertical($p);
//crop it to $size%
list($w, $h) = $p->getInfo($p->getDestination());
$p->crop($w, $h * ($size / 100), 0, 0, phMagickGravity::None);
//make a image fade to transparent
$cmd = $p->getBinary('convert');
$cmd .= ' "' . $p->getSource() . '"';
$cmd .= ' ( -size ' . $w . 'x' . $h * ($size / 100) . ' gradient: ) ';
$cmd .= ' +matte -compose copy_opacity -composite ';
$cmd .= ' "' . $p->getDestination() . '"';
$p->execute($cmd);
//apply desired transparency, by creating a transparent image and merge the mirros image on to it with the desired transparency
$file = dirname($p->getDestination()) . '/' . uniqid() . '.png';
$cmd = $p->getBinary('convert');
$cmd .= ' -size ' . $w . 'x' . $h * ($size / 100) . ' xc:none ';
$cmd .= ' "' . $file . '"';
$p->execute($cmd);
$cmd = $p->getBinary('composite');
$cmd .= ' -dissolve ' . $transparency;
$cmd .= ' "' . $p->getDestination() . '"';
$cmd .= ' ' . $file;
$cmd .= ' "' . $p->getDestination() . '"';
$p->execute($cmd);
unlink($file);
//append the source and the relfex
$cmd = $p->getBinary('convert');
$cmd .= ' "' . $source . '"';
$cmd .= ' "' . $p->getDestination() . '"';
$cmd .= ' -append ';
$cmd .= ' "' . $p->getDestination() . '"';
$p->execute($cmd);
$p->setSource($p->getDestination());
$p->setHistory($p->getDestination());
return $p;
}