public static function resampled($image)
{
$image['ext'] = strtolower(substr($image['src'], strrpos($image['src'], '.') + 1));
list($image['width'], $image['height'], $image['type'], $image['attr']) = getimagesize($image['src']);
$image['width'] >= $image['height'] ? $image['format'] = 'landscape' : ($image['format'] = 'portrait');
$newDimensions = Cible_FunctionsImageResampler::newDimensions($image);
if ($image['ext'] == 'jpeg' || $image['ext'] == 'jpg') {
// returns an image identifier representing the image obtained from the given filename.
$newImage = imagecreatefromjpeg($image['src']);
// returns an image identifier representing a black image of the specified size.
$thumb = imagecreatetruecolor($newDimensions['width'], $newDimensions['height']);
// copies a rectangular portion of one image to another image, smoothly interpolating pixel values so that, in particular, reducing the size of an image still retains a great deal of clarity.
imagecopyresampled($thumb, $newImage, 0, 0, 0, 0, $newDimensions['width'], $newDimensions['height'], $image['width'], $image['height']);
// creates a JPEG file from the given image
imagejpeg($thumb, $image['src'], 80);
// frees any memory associated with newImage
imagedestroy($newImage);
} elseif ($image['ext'] == 'gif') {
// returns an image identifier representing the image obtained from the given filename.
$newImage = imagecreatefromgif($image['src']);
// returns an image identifier representing a black image of the specified size.
$thumb = imagecreate($newDimensions['width'], $newDimensions['height']);
// returns a color identifier representing the color composed of the given RGB components.
$trans_color = imagecolorallocate($thumb, 255, 0, 0);
// sets the transparent color in the given image .
imagecolortransparent($thumb, $trans_color);
// copies a rectangular portion of one image to another image, smoothly interpolating pixel values so that, in particular, reducing the size of an image still retains a great deal of clarity.
imagecopyresampled($thumb, $newImage, 0, 0, 0, 0, $newDimensions['width'], $newDimensions['height'], $image['width'], $image['height']);
// creates the GIF file in filename from the image image
imagegif($thumb, $image['src']);
// détruit une image
imagedestroy($newImage);
} elseif ($image['ext'] == 'png') {
$image_source = imagecreatefrompng($image['src']);
$new_image = imagecreatetruecolor($newDimensions['width'], $newDimensions['height']);
if (function_exists('imagecolorallocatealpha')) {
imagealphablending($new_image, false);
imagesavealpha($new_image, true);
$transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127);
imagefilledrectangle($new_image, 0, 0, $newDimensions['width'], $newDimensions['height'], $transparent);
}
imagecolortransparent($new_image, $transparent);
imagecopyresampled($new_image, $image_source, 0, 0, 0, 0, $newDimensions['width'], $newDimensions['height'], $image['width'], $image['height']);
imagepng($new_image, $image['src']);
imagedestroy($new_image);
}
}
