/**
* Vyplni obrazek na maximalni sirku a vysku natvrdo zadanou - muze zvetsovat
* @param \Imagick $image
* @param int $width
* @param int $height
*/
function imagickFill(\Imagick $image, $width, $height)
{
list($newWidth, $newHeight) = \Nette\Utils\Image::calculateSize($image->getImageWidth(), $image->getImageHeight(), $width, $height, \Nette\Utils\Image::FILL);
$image->thumbnailImage($newWidth, $newHeight, true, true);
}
/**
* @param string $imgUrl
* @param int $width
* @param int $height
* @param int $crop
* @return string
* @register imgOffset
*/
public function imageOffset($imgUrl, $width, $height = NULL, $crop = NULL)
{
$origName = substr($imgUrl, strrpos($imgUrl, '/') + 1);
$origPath = ($this->domainDir ? $this->domainDir : $this->cacheDir) . $imgUrl;
if (!is_file($origPath)) {
return '';
}
$ext = pathinfo($imgUrl, PATHINFO_EXTENSION);
$a = explode('/', $imgUrl);
array_pop($a);
$a = implode('/', $a);
$thumbName = $this->getThumbName($origName, $width, $height, filemtime($origPath), $crop);
$thumbName = md5(($this->domainDirUrl ? $this->domainDirUrl : $this->cacheDirUrl) . '/' . $a . '/thumbs/' . $thumbName) . ".{$ext}";
$path = ($this->domainDir ? $this->domainDir : $this->cacheDir) . $a . '/thumbs/' . $thumbName;
if (file_exists($path)) {
$size = getimagesize($path);
$newSize = Image::calculateSize($size[0], $size[1], $width, $height);
$widthOffset = floor(($width - $newSize[0]) / 2);
$heightOffset = floor(($height - $newSize[1]) / 2);
return 'padding: ' . $heightOffset . 'px ' . $widthOffset . 'px;';
} elseif (file_exists($this->cacheDir . $imgUrl)) {
$size = getimagesize($this->cacheDir . $imgUrl);
$newSize = Image::calculateSize($size[0], $size[1], $width, $height);
$widthOffset = floor(($width - $newSize[0]) / 2);
$heightOffset = floor(($height - $newSize[1]) / 2);
return 'padding: ' . $heightOffset . 'px ' . $widthOffset . 'px;';
}
}
/**
* @param string $file
* @param int $modified
* @param string $path
* @param int $width
* @param int $height
* @param int $flags
* @return array
*/
private function getImageAttributes($file, $modified, $path, $width, $height, $flags)
{
list($srcWidth, $srcHeight, $type) = getimagesize($file);
if ($width === NULL && $height === NULL) {
$width = $imgWidth = $srcWidth;
$height = $imgHeight = $srcHeight;
} else {
if ($flags === Image::EXACT && $width !== NULL && $height !== NULL) {
$imgWidth = $width;
$imgHeight = $height;
} else {
list($calculateWidth, $calculateHeight) = Image::calculateSize($srcWidth, $srcHeight, $width, $height, $flags);
$width = $imgWidth = $calculateWidth;
$height = $imgHeight = $calculateHeight;
}
}
$cacheKey = $path . '/' . pathinfo($file, PATHINFO_FILENAME) . '_' . $imgWidth . 'x' . $imgHeight . '-' . $flags;
$cacheFile = $this->cache->load($cacheKey, $modified, image_type_to_extension($type, FALSE));
if (!$cacheFile) {
$image = Image::fromFile($file);
$image->resize($width, $height, $flags);
$image->interlace();
$cacheFile = $this->cache->save($cacheKey, $image->toString($type), image_type_to_extension($type, FALSE));
}
$formatUrl = $this->formatUrl($path, $cacheFile, $modified);
$imageAttributes = array('src' => $formatUrl, 'width' => $imgWidth, 'height' => $imgHeight);
return $imageAttributes;
}
