private function getColor($hex)
{
if (strlen($hex) == 3) {
$r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1));
$g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1));
$b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1));
} else {
$r = hexdec(substr($hex, 0, 2));
$g = hexdec(substr($hex, 2, 2));
$b = hexdec(substr($hex, 4, 2));
}
return Image::rgb($r, $g, $b);
}
/**
* @return BaseForm
*/
public function build()
{
$this->addGroup('Registration');
$this->addText('username', 'Name:')->setRequired('Please enter your username.');
$this->addText('email', 'Email:')->setRequired('Please enter your email.')->addRule(Form::EMAIL, 'Check out email please');
$this->addPassword('password', 'Password:'******'Please enter your password.')->addRule(Form::PATTERN, 'Password must have more than 8 numerals and consists of numbers 0-9, lowercase or uppercase letters a-z or A-Z, underscore', '([0-9a-zA-Z_]){8}');
$this->addPassword('passwordRe', 'Repeat password:'******'Please enter your password once again.')->addRule(Form::EQUAL, 'Password missmatch', $this['password']);
$this->addCheckbox('remember', 'Keep me signed in after registration');
/* reCaptcha : you should choose certen pictures
$this->addReCaptcha('captcha')
->addRule(ReCaptchaControl\ReCaptchaControl::VALID, 'Prokažte prosím svou nerobotičnost.');*/
$this->addCaptcha('captcha')->addRule(Form::FILLED, "Rewrite text from image.")->addRule($this["captcha"]->getValidator(), 'Try it again.')->setLength(5)->setTextMargin(5)->setTextColor(Image::rgb(0, 0, 0))->setBackgroundColor(Image::rgb(214, 235, 249))->setImageHeight(50)->setImageWidth(0)->setExpire(10)->setFilterSmooth(false)->setFilterContrast(false)->useNumbers(true);
// bool or void
$this->addSubmit('submit', 'Sign in');
return $this;
}
/**
* @param string $url
* @param int $width
* @param int $height
* @param int $crop
* @return string
* @register fitThumb
* @todo refactoring fit/thumb helpers, move common parts of code to separate methods
*/
public function fitThumbImage($url, $width, $height, $crop = NULL)
{
$origName = substr($url, strrpos($url, '/') + 1);
$origPath = ($this->domainDir ? $this->domainDir : $this->cacheDir) . $url;
if (!file_exists($origPath)) {
return $url;
}
$a = explode('.', $origPath);
$ext = strtolower(array_pop($a));
$thumbName = $this->getThumbName($origName, $width, $height, filemtime($origPath), $crop);
$origDirectory = explode('/', $url);
array_pop($origDirectory);
$origDirectory = implode('/', $origDirectory);
$name = md5(($this->domainDirUrl ? $this->domainDirUrl : $this->cacheDirUrl) . '/' . $origDirectory . '/fitThumbs/' . $thumbName) . ".{$ext}";
$thumbPath = ($this->domainDir ? $this->domainDir : $this->cacheDir) . $origDirectory . '/fitThumbs/' . $name;
$thumbUrl = ($this->domainDirUrl ? $this->domainDirUrl : $this->cacheDirUrl) . $origDirectory . '/fitThumbs/' . $name;
FileSystem::createDir(($this->domainDir ? $this->domainDir : $this->cacheDir) . $origDirectory . '/fitThumbs/');
// thumb already exits
if (is_file($thumbPath)) {
return $thumbUrl;
}
try {
if (class_exists('Imagick')) {
$canvas = new \Imagick();
$canvas->newImage($width, $height, "rgba(0, 0, 0, 0)");
$image = new Imagick($origPath);
$origWidth = $image->getImageWidth();
$origHeight = $image->getImageHeight();
if ($origWidth > $width || $origHeight > $height) {
if ($origHeight > $height) {
// use orig height, crop width
$image->resizeImage(0, $height, Imagick::FILTER_LANCZOS, 1);
} else {
// use orig width, crop height
$image->resizeImage($width, 0, Imagick::FILTER_LANCZOS, 1);
}
switch ($crop) {
case 'top':
$x = (int) (($image->getImageWidth() - $width) / 2);
$y = 0;
break;
case 'bottom':
$x = (int) (($image->getImageWidth() - $width) / 2);
$y = (int) ($image->getImageHeight() - $height);
break;
case 'left':
$x = 0;
$y = (int) (($image->getImageHeight() - $height) / 2);
break;
case 'right':
$x = (int) ($image->getImageWidth() - $width);
$y = (int) (($image->getImageHeight() - $height) / 2);
break;
case 'center':
default:
$x = (int) (($image->getImageWidth() - $width) / 2);
$y = (int) (($image->getImageHeight() - $height) / 2);
}
$image->cropImage($width, $height, $x, $y);
}
$left = $width / 2 - $image->getImageWidth() / 2;
$top = $height / 2 - $image->getImageHeight() / 2;
$canvas->compositeImage($image, Imagick::COMPOSITE_ADD, $left, $top);
$canvas->writeImage($thumbPath);
$image->destroy();
$canvas->destroy();
} else {
$canvas = Image::fromBlank($width, $height, Image::rgb(0, 0, 0, 127));
$image = Image::fromFile($origPath);
$origWidth = $image->getWidth();
$origHeight = $image->getHeight();
if ($origWidth > $width || $origHeight > $height) {
// zachovani pruhlednosti u PNG
$image->alphaBlending(FALSE);
$image->saveAlpha(TRUE);
if ($origHeight > $height) {
// use orig height, crop width
$image->resize(NULL, $height);
} else {
// use orig width, crop height
$image->resize($width, NULL);
}
switch ($crop) {
case 'top':
$x = (int) (($image->getWidth() - $width) / 2);
$y = 0;
break;
case 'bottom':
$x = (int) (($image->getWidth() - $width) / 2);
$y = (int) ($image->getHeight() - $height);
break;
case 'left':
$x = 0;
$y = (int) (($image->getHeight() - $height) / 2);
break;
case 'right':
$x = (int) ($image->getWidth() - $width);
$y = (int) (($image->getHeight() - $height) / 2);
break;
case 'center':
default:
$x = (int) (($image->getWidth() - $width) / 2);
$y = (int) (($image->getHeight() - $height) / 2);
}
$image->crop($x, $y, $width, $height);
if ($ext !== 'png') {
$image->sharpen();
}
}
$left = $width / 2 - $image->getWidth() / 2;
$top = $height / 2 - $image->getHeight() / 2;
$canvas->place($image, $left, $top);
$canvas->save($thumbPath);
}
return $thumbUrl;
} catch (\Exception $e) {
return ($this->domainDirUrl ? $this->domainDirUrl : $this->cacheDirUrl) . $url;
}
}
/**
* Sets background color
*
* @param array $rgb [red 0-255, green 0-255, blue 0-255]
* @throws \Nette\InvalidArgumentException
* @return self
*/
public function setBackgroundColor(array $rgb)
{
if (!isset($rgb['red']) || !isset($rgb['green']) || !isset($rgb['blue'])) {
throw new InvalidArgumentException('BackgroundColor must be valid RGB array, see Nette\\Utils\\Image::rgb().');
}
$this->backgroundColor = Image::rgb($rgb['red'], $rgb['green'], $rgb['blue']);
return $this;
}
/**
* @param array red 0-255, green 0-255, blue 0-255
* @return CaptchaControl provides a fluent interface
* @throws \Nette\InvalidArgumentException
*/
public function setBackgroundColor($rgb)
{
if (!isset($rgb["red"]) || !isset($rgb["green"]) || !isset($rgb["blue"])) {
throw new \Nette\InvalidArgumentException("BackgroundColor must be valid rgb array, see Nette\\Utils\\Image::rgb()");
}
$this->backgroundColor = Image::rgb($rgb["red"], $rgb["green"], $rgb["blue"]);
return $this;
}
