public static function SetLogfile($Logfile)
{
if (!defined('RD_LOG')) {
self::$Logfile = $Logfile;
}
return;
}
function smart_resize_image($file, $width = 0, $height = 0, $proportional = false, $output = 'file', $delete_original = false)
{
$old = RD_Debug::$ShowError;
RD_Debug::$ShowError = false;
$info = getimagesize($file);
RD_Debug::$ShowError = $old;
if (!$info) {
return false;
}
$image = '';
$final_width = 0;
$final_height = 0;
list($width_old, $height_old) = $info;
if ($proportional) {
if ($width == 0) {
$factor = $height / $height_old;
} elseif ($height == 0) {
$factor = $width / $width_old;
} else {
$factor = min($width / $width_old, $height / $height_old);
}
$final_width = round($width_old * $factor);
$final_height = round($height_old * $factor);
} else {
$final_width = $width <= 0 ? $width_old : $width;
$final_height = $height <= 0 ? $height_old : $height;
}
switch ($info[2]) {
case IMAGETYPE_GIF:
$image = imagecreatefromgif($file);
break;
case IMAGETYPE_JPEG:
$image = imagecreatefromjpeg($file);
break;
case IMAGETYPE_PNG:
$image = imagecreatefrompng($file);
break;
default:
return false;
}
$image_resized = imagecreatetruecolor($final_width, $final_height);
if ($info[2] == IMAGETYPE_GIF || $info[2] == IMAGETYPE_PNG) {
$trnprt_indx = imagecolortransparent($image);
// If we have a specific transparent color
if ($trnprt_indx >= 0) {
// Get the original image's transparent color's RGB values
$trnprt_color = imagecolorsforindex($image, $trnprt_indx);
// Allocate the same color in the new image resource
$trnprt_indx = imagecolorallocate($image_resized, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
// Completely fill the background of the new image with allocated color.
imagefill($image_resized, 0, 0, $trnprt_indx);
// Set the background color for new image to transparent
imagecolortransparent($image_resized, $trnprt_indx);
} elseif ($info[2] == IMAGETYPE_PNG) {
// Always make a transparent background color for PNGs that don't have one allocated already
// Turn off transparency blending (temporarily)
imagealphablending($image_resized, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($image_resized, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($image_resized, 0, 0, $color);
// Restore transparency blending
imagesavealpha($image_resized, true);
}
}
imagecopyresampled($image_resized, $image, 0, 0, 0, 0, $final_width, $final_height, $width_old, $height_old);
if ($delete_original) {
if ($use_linux_commands) {
exec('rm ' . $file);
} else {
@unlink($file);
}
}
switch (strtolower($output)) {
case 'browser':
$mime = image_type_to_mime_type($info[2]);
header("Content-type: {$mime}");
$output = NULL;
break;
case 'file':
$output = $file;
break;
case 'return':
return $image_resized;
break;
default:
break;
}
switch ($info[2]) {
case IMAGETYPE_GIF:
imagegif($image_resized, $output);
break;
case IMAGETYPE_JPEG:
imagejpeg($image_resized, $output);
break;
case IMAGETYPE_PNG:
imagepng($image_resized, $output);
break;
default:
return false;
}
return true;
}