function thumbnail($img, $tnpath, $w, $h)
{
$org_info = $this->getimg($img);
if ($org_info) {
if ($org_info[0] / $org_info[1] >= 4 / 3) {
$y = round($org_info[1] / ($org_info[0] / $w));
$x = $w;
} else {
$x = round($org_info[0] / ($org_info[1] / $h));
$y = $h;
}
$sm_image = imagecreatetruecolor($x, $y);
Imagecopyresampled($sm_image, $org_info['from'], 0, 0, 0, 0, $x, $y, $org_info[0], $org_info[1]);
$_creatImage = $org_info['creat'];
if ($_creatImage == 'imagejpeg') {
$thumbnail = @$_creatImage($sm_image, $tnpath, 80);
} else {
$thumbnail = @$_creatImage($sm_image, $tnpath);
}
imagedestroy($sm_image);
return $thumbnail;
} else {
return false;
}
}
function image_processing($image_input, $image_output, $width = null, $height = null, $imagefield = '')
{
global $wpdb;
/*
* this handles all resizing of images that results in a file being saved, if no width and height is supplied, then it just copies the image
*/
$imagetype = getimagesize($image_input);
if (file_exists($image_input) && is_numeric($height) && is_numeric($width) && function_exists('imagecreatefrompng') && ($height != $imagetype[1] && $width != $imagetype[0])) {
switch ($imagetype[2]) {
case IMAGETYPE_JPEG:
$src_img = imagecreatefromjpeg($image_input);
$pass_imgtype = true;
break;
case IMAGETYPE_GIF:
$src_img = imagecreatefromgif($image_input);
$pass_imgtype = true;
break;
case IMAGETYPE_PNG:
$src_img = imagecreatefrompng($image_input);
$pass_imgtype = true;
break;
default:
move_uploaded_file($image_input, $imagedir . basename($_FILES[$imagefield]['name']));
$image = $wpdb->escape(basename($_FILES[$imagefield]['name']));
return true;
exit;
break;
}
if ($pass_imgtype === true) {
$source_w = imagesx($src_img);
$source_h = imagesy($src_img);
//Temp dimensions to crop image properly
$temp_w = $width;
$temp_h = $height;
// if the image is wider than it is high and at least as wide as the target width.
if ($source_h <= $source_w) {
if ($height < $width) {
$temp_h = $width / $source_w * $source_h;
} else {
$temp_w = $height / $source_h * $source_w;
}
} else {
$temp_h = $width / $source_w * $source_h;
}
// Create temp resized image
$temp_img = ImageCreateTrueColor($temp_w, $temp_h);
$bgcolor = ImageColorAllocate($temp_img, 255, 255, 255);
ImageFilledRectangle($temp_img, 0, 0, $width, $height, $bgcolor);
ImageAlphaBlending($temp_img, TRUE);
if ($imagetype[2] == IMAGETYPE_PNG) {
imagesavealpha($temp_img, true);
ImageAlphaBlending($temp_img, false);
}
// resize keeping the perspective
Imagecopyresampled($temp_img, $src_img, 0, 0, 0, 0, $temp_w, $temp_h, $source_w, $source_h);
if ($imagetype[2] == IMAGETYPE_PNG) {
imagesavealpha($temp_img, true);
ImageAlphaBlending($temp_img, false);
}
$dst_img = ImageCreateTrueColor($width, $height);
$white = ImageColorAllocate($dst_img, 255, 255, 255);
ImageFilledRectangle($dst_img, 0, 0, $width, $height, $white);
ImageAlphaBlending($dst_img, TRUE);
imagecolortransparent($dst_img, $white);
// X & Y Offset to crop image properly
if ($temp_w < $width) {
$w1 = $width / 2 - $temp_w / 2;
} else {
if ($temp_w == $width) {
$w1 = 0;
} else {
$w1 = $width / 2 - $temp_w / 2;
}
}
if ($imagetype[2] == IMAGETYPE_PNG) {
imagesavealpha($dst_img, true);
ImageAlphaBlending($dst_img, false);
}
// Final thumbnail cropped from the center out.
if (!isset($h1)) {
$h1 = 0;
}
ImageCopy($dst_img, $temp_img, $w1, $h1, 0, 0, $temp_w, $temp_h);
$image_quality = wpsc_image_quality();
switch ($imagetype[2]) {
case IMAGETYPE_JPEG:
if (@ImageJPEG($dst_img, $image_output, $image_quality) == false) {
return false;
}
break;
case IMAGETYPE_GIF:
if (function_exists("ImageGIF")) {
if (@ImageGIF($dst_img, $image_output) == false) {
return false;
}
} else {
ImageAlphaBlending($dst_img, false);
if (@ImagePNG($dst_img, $image_output) == false) {
return false;
}
}
break;
case IMAGETYPE_PNG:
imagesavealpha($dst_img, true);
ImageAlphaBlending($dst_img, false);
if (@ImagePNG($dst_img, $image_output) == false) {
return false;
}
break;
}
usleep(50000);
//wait 0.05 of of a second to process and save the new image
imagedestroy($dst_img);
//$image_output
$stat = stat(dirname($image_output));
$perms = $stat['mode'] & 0666;
@chmod($image_output, $perms);
return true;
}
} else {
copy($image_input, $image_output);
$image = $wpdb->escape(basename($_FILES[$imagefield]['name']));
return $image;
}
return false;
}
