If either param is set to zero, then that dimension will not be considered as a part of the resize.
Additionally, if $this->options['resizeUp'] is set to true (false by default), then this function will
also scale the image up to the maximum dimensions provided.
/**
* Pad an image to desired dimensions. Moves the image into the center and fills the rest with given color.
*
* @param integer $width
* @param integer $height
* @param array $options
* @return $this
*/
public function pad($width, $height, $options)
{
if (!$height || !$width) {
throw new Exception('Croppa: Pad option needs width and height');
}
$color = $options['pad'] ?: [255, 255, 255];
$this->thumb->resize($width, $height)->pad($width, $height, $color);
return $this;
}
public function resizeFixedSize($width, $height, $color = '#FFFFFF', &$that)
{
$this->parentInstance = $that;
$this->parentInstance->resize($width, $height);
$this->currentDimensions = $this->parentInstance->getCurrentDimensions();
$this->workingImage = $this->parentInstance->getWorkingImage();
$this->newImage = $this->parentInstance->getOldImage();
$this->options = $this->parentInstance->getOptions();
$this->workingImage = imagecreatetruecolor($width, $height);
imagealphablending($this->workingImage, true);
$rgb = $this->hex2rgb($color, false);
$colorToPaint = imagecolorallocatealpha($this->workingImage, $rgb[0], $rgb[1], $rgb[2], 0);
imagefilledrectangle($this->workingImage, 0, 0, $width, $height, $colorToPaint);
imagecopyresampled($this->workingImage, $this->newImage, intval(($width - $this->currentDimensions['width']) / 2), intval(($height - $this->currentDimensions['height']) / 2), 0, 0, $this->currentDimensions['width'], $this->currentDimensions['height'], $this->currentDimensions['width'], $this->currentDimensions['height']);
$this->parentInstance->setOldImage($this->workingImage);
$this->currentDimensions['width'] = $width;
$this->currentDimensions['height'] = $height;
$this->parentInstance->setCurrentDimensions($this->currentDimensions);
return $that;
}
/**
* Resize with no cropping
*
* @param integer $width
* @param integer $height
* @return $this
*/
public function resize($width, $height)
{
if ($width && $height) {
$this->thumb->resize($width, $height);
} else {
if (!$width) {
$this->thumb->resize(99999, $height);
} else {
if (!$height) {
$this->thumb->resize($width, 99999);
}
}
}
return $this;
}
public static function createThumb($source, $dest = null, $width = 200, $height = 160, $mode = 'resize')
{
if (!class_exists('ThumbBase')) {
require_once JPATH_SITE . '/plugins/system/jvhelper/libs/ThumbBase.inc.php';
}
if (!class_exists('GdThumb')) {
require_once JPATH_SITE . '/plugins/system/jvhelper/libs/GdThumb.inc.php';
}
if (!$dest) {
$dest = JPATH_SITE . '/images/jvthumb';
}
$size = @getimagesize($source);
if (!is_array($size)) {
return $source;
}
$replace = JURI::base(true) . '/';
if (strpos($source, $replace) === 0) {
$source = substr($source, strlen($replace));
}
if (preg_match('#http(s?):\\/\\/#', $source) && $source) {
if (stripos($size['mime'], 'image') === 0) {
$extension = substr($size['mime'], 6);
if ($extension == 'jpeg') {
$extension = 'jpg';
}
$info = array('extension' => $extension, 'filename' => substr(base64_encode(json_encode($size)), 0, 10));
} else {
return $source;
}
} else {
$source = JPATH_SITE . '/' . $source;
$info = pathinfo($source);
}
// Resize path
$path = $dest . "/{$mode}_{$width}_{$height}_{$info['filename']}.{$info['extension']}";
if (!is_dir(dirname($path))) {
JFolder::create(dirname($path));
$index = "<html><body></body></html>";
if (!JFile::write($path . '/' . 'index.html', $index)) {
return;
}
}
if (!is_file($path)) {
// Resize
$thumb = new GdThumb($source, array('jpegQuality' => 80));
if ($mode == 'resize') {
$thumb->resize($width, $height);
}
if ($mode == 'crop') {
$thumb->cropFromCenter($width, $height);
}
$thumb->save($path, $info['extension']);
}
return self::toURL($path);
}
public static function createThumb($source, $dest, $width, $height, $mode)
{
$size = @getimagesize($source);
if (!is_array($size)) {
return $source;
}
$replace = JURI::base(true) . '/';
if (strpos($source, $replace) === 0) {
$source = substr($source, strlen($replace));
}
if (preg_match('#http(s?):\\/\\/#', $source) && $source) {
if (stripos($size['mime'], 'image') === 0) {
$extension = substr($size['mime'], 6);
if ($extension == 'jpeg') {
$extension = 'jpg';
}
$info = array('extension' => $extension, 'filename' => substr(base64_encode(json_encode($size)), 0, 10));
} else {
return $source;
}
} else {
$source = JPATH_SITE . '/' . $source;
$info = pathinfo($source);
}
// Resize path
$path = $dest . "/{$mode}_{$width}_{$info['filename']}.{$info['extension']}";
if (!is_dir(dirname($path))) {
JFolder::create(dirname($path));
$index = "<html><body></body></html>";
if (!JFile::write($path . '/' . 'index.html', $index)) {
return;
}
}
if (!is_file($path)) {
// Resize
if ($mode == 'original') {
JFile::copy($source, $path);
return self::toURL($path);
}
$thumb = new GdThumb($source, array('jpegQuality' => 90));
if ($mode == 'resize') {
$thumb->resize($width, $height);
}
if ($mode == 'crop') {
$thumb->cropFromCenter($width, $height);
}
$thumb->save($path, $info['extension']);
}
return self::toURL($path);
}
