/**
* creates a thumbnail and put it in the THUMBS dir, or print it.
*
* @param string $src reference to the original file
* @param int $maxY max height of thumb
* @param int $maxX max width of thumb
* @return true if success, false if error
*/
static function createThumbnail($src, $filename, $targetDir, $writeToFile = true, $maxY = false, $maxX = false)
{
if (!$maxY && !$maxX) {
return false;
}
$file = open_image($src);
if ($file) {
$oldX = imagesx($file);
$oldY = imagesy($file);
$x = 0;
$y = 0;
$assumedY = $maxX * ($oldY / $oldX);
$assumedX = $maxY * ($oldX / $oldY);
if ($assumedX > $maxX) {
$x = $maxX;
$y = $assumedY;
}
if ($assumedY > $maxY) {
$x = $assumedX;
$y = $maxY;
}
$img = imagecreatetruecolor($x, $y);
imagecopyresampled($img, $file, 0, 0, 0, 0, $x, $y, $oldX, $oldY);
$destination = $targetDir . '/' . $filename;
if ($writeToFile) {
imagepng($img, $destination, 40);
} else {
header('content-type: image/png');
imagepng($img);
}
}
return true;
}
public function process()
{
$this->parseInput();
$this->basicCheck();
$this->purgeExif();
if ($this->inputDim[0] === $this->targetDim[0] && $this->inputDim[1] === $this->targetDim[1]) {
if ($this->inputFileSize < $this->targetFileSize) {
return;
}
$image = open_image($this->inputPath, $this->inputDim);
} else {
$inputImage = open_image($this->inputPath, $this->inputDim);
$start = [0, 0];
$inDim = [$this->inputDim[0], $this->inputDim[1]];
$outDim = [$this->targetDim[0], $this->targetDim[1]];
// figure out how to crop.
if ($this->inputDim[0] / $this->inputDim[1] >= $this->targetDim[0] / $this->targetDim[1]) {
$inDim[0] = $this->targetDim[0] / $this->targetDim[1] * $this->inputDim[1];
$start[0] = ($this->inputDim[0] - $inDim[0]) / 2;
} else {
$inDim[1] = $this->targetDim[1] / $this->targetDim[0] * $this->inputDim[0];
$start[1] = ($this->inputDim[1] - $inDim[1]) / 2;
}
// don't scale if input image is smaller.
if ($inDim[0] < $outDim[0] || $inDim[1] < $outDim[1]) {
$outDim = $inDim;
}
$image = imagecreatetruecolor($outDim[0], $outDim[1]);
imagecopyresampled($image, $inputImage, 0, 0, $start[0], $start[1], $outDim[0], $outDim[1], $inDim[0], $inDim[1]);
}
imagejpeg($image, $this->inputPath);
$this->parseInput(true);
}
$new_height = 100;
}
// get mime type of src
$mime_type = mime_type($src);
// check to see if this image is in the cache already
check_cache($mime_type);
// if not in cache then clear some space and generate a new file
cleanCache();
ini_set('memory_limit', '50M');
// make sure that the src is gif/jpg/png
if (!valid_src_mime_type($mime_type)) {
displayError('Invalid src mime type: ' . $mime_type);
}
if (strlen($src) && file_exists($src)) {
// open the existing image
$image = open_image($mime_type, $src);
if ($image === false) {
displayError('Unable to open image : ' . $src);
}
// Get original width and height
$width = imagesx($image);
$height = imagesy($image);
// generate new w/h if not provided
if ($new_width && !$new_height) {
$new_height = $height * ($new_width / $width);
} elseif ($new_height && !$new_width) {
$new_width = $width * ($new_height / $height);
} elseif (!$new_width && !$new_height) {
$new_width = $width;
$new_height = $height;
}
function k_resize_image($src, $dest = 0, $new_width = 0, $new_height = 0, $zoom_crop = 1, $enforce_max = 0, $quality = 80, $crop_position = 'middle', $check_thumb_exists = 0)
{
global $FUNCS;
// check to see if GD function exist
if (!function_exists('imagecreatetruecolor')) {
return displayError('GD Library Error: imagecreatetruecolor does not exist - please contact your webhost and ask them to install the GD library');
}
if (trim($src) == '') {
return displayError('Source image not set');
}
// get mime type of src
$mime_type = mime_type($src);
ini_set('memory_limit', "50M");
// make sure that the src is gif/jpg/png
if (!valid_src_mime_type($mime_type)) {
return displayError("Invalid src mime type: " . $mime_type);
}
if (strlen($src) && file_exists($src)) {
// open the existing image
$image = open_image($mime_type, $src);
if ($image === false) {
return displayError('Unable to open image : ' . $src);
}
// Get original width and height
$width = imagesx($image);
$height = imagesy($image);
// generate new w/h if not provided
if ($new_width && !$new_height) {
$new_height = $height * ($new_width / $width);
} elseif ($new_height && !$new_width) {
$new_width = $width * ($new_height / $height);
} elseif (!$new_width && !$new_height) {
$new_width = $width;
$new_height = $height;
}
// If new dimensions cannot exceed certain values
if ($enforce_max) {
// the supplied width and height were actually the max permissible values.
$max_width = $new_width;
$max_height = $new_height;
// make the new values the same as that of the source image
$new_width = $width;
$new_height = $height;
// if new dimensions already within bounds (and this not a thumbnail that we are creating), return.
if ($dest && $new_width <= $max_width && $new_height <= $max_height) {
return;
}
if ($new_width > $max_width) {
if (!$zoom_crop) {
$ratio = (double) ($max_width / $new_width);
$new_width = (int) ($new_width * $ratio);
$new_height = (int) ($new_height * $ratio);
} else {
$new_width = $max_width;
}
}
// if new height still overshoots maximum value
if ($new_height > $max_height) {
if (!$zoom_crop) {
$ratio = (double) ($max_height / $new_height);
$new_width = (int) ($new_width * $ratio);
$new_height = (int) ($new_height * $ratio);
} else {
$new_height = $max_height;
}
}
}
// Create filename if not provided one (happens only for thumbnails)
if (!$dest) {
$path_parts = $FUNCS->pathinfo($src);
$thumb_name = $path_parts['filename'] . '-' . round($new_width) . 'x' . round($new_height) . '.' . $path_parts['extension'];
$thumbnail = $path_parts['dirname'] . '/' . $thumb_name;
if ($check_thumb_exists && file_exists($thumbnail)) {
return $thumb_name;
}
}
// create a new true color image
$canvas = imagecreatetruecolor($new_width, $new_height);
imagealphablending($canvas, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($canvas, 0, 0, $color);
// Restore transparency blending
imagesavealpha($canvas, true);
if ($zoom_crop) {
$src_x = $src_y = 0;
$src_w = $width;
$src_h = $height;
$cmp_x = $width / $new_width;
$cmp_y = $height / $new_height;
// if new dimensions equal to the original (and this not a thumbnail that we are creating), return.
if ($dest && $cmp_x == 1 && $cmp_y == 1) {
return;
}
// calculate x or y coordinate and width or height of source
if ($cmp_x > $cmp_y) {
$src_w = round($width / $cmp_x * $cmp_y);
$src_x = round(($width - $width / $cmp_x * $cmp_y) / 2);
} elseif ($cmp_y > $cmp_x) {
$src_h = round($height / $cmp_y * $cmp_x);
$src_y = round(($height - $height / $cmp_y * $cmp_x) / 2);
}
switch ($crop_position) {
case 'top_left':
$src_x = 0;
$src_y = 0;
break;
case 'top_center':
$src_y = 0;
break;
case 'top_right':
$src_x *= 2;
$src_y = 0;
break;
case 'middle_left':
$src_x = 0;
break;
case 'middle':
break;
case 'middle_right':
$src_x *= 2;
break;
case 'bottom_left':
$src_x = 0;
$src_y *= 2;
break;
case 'bottom_center':
$src_y *= 2;
break;
case 'bottom_right':
$src_x *= 2;
$src_y *= 2;
break;
}
imagecopyresampled($canvas, $image, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h);
} else {
// copy and resize part of an image with resampling
imagecopyresampled($canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
}
if (!$dest) {
$dest = $thumbnail;
}
// output image to browser based on mime type
save_image($mime_type, $canvas, $dest, $quality);
// remove image from memory
imagedestroy($canvas);
return $thumb_name;
} else {
if (strlen($src)) {
return displayError("image " . $src . " not found");
} else {
return displayError("no source specified");
}
}
return;
}
function resizeImage($fileAndPath, $width = 0, $height = 0)
{
$image = open_image($fileAndPath);
if ($image === false) {
die(throwError("Unable to open image for resizing"));
}
$height = imagesy($image);
$width = imagesx($image);
// we are resizing proportionally to a max width
if ($width > 0 && $maxHeight == 0) {
$ratio = $height / $width;
$new_width = $maxWidth;
$new_height = $new_width * $ratio;
//die("new height: $new_height");
}
if ($width == 0 && $maxHeight > 0) {
// we are resizing proportionally to a max height
$ratio = $width / $height;
$new_height = $maxHeight;
$new_width = $new_height * $ratio;
}
if ($width > 0 && $maxHeight > 0) {
// we are resizing to absolute proportions in both directions
$new_height = $maxHeight;
$new_width = $maxWidth;
}
$image_resized = imagecreatetruecolor($new_width, $new_height) or die(throwError("“imagecreatetruecolor” has failed. Check that the GD library is active."));
imagecopyresampled($image_resized, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
saveImageInFormat($image_resized, $fileAndPath, "jpg");
}
public function fix($path)
{
$dim = getimagesize($path);
$fileSize = filesize($path);
if ($fileSize > $this->hardMaxFileSize) {
$this->errors = [trans('users.show.edit.cover.upload.too_large')];
return false;
} elseif ($dim === false || !in_array($dim[2], [IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG], true)) {
$this->errors = [trans('users.show.edit.cover.upload.unsupported_format')];
return false;
} elseif ($dim[0] > $this->hardMaxDim[0] || $dim[1] > $this->hardMaxDim[1]) {
$this->errors = [trans('users.show.edit.cover.upload.too_large')];
return false;
}
if ($dim[2] === IMAGETYPE_JPEG) {
exec("jhead -autorot -purejpg -q " . escapeshellarg($path));
$dim = getimagesize($path);
}
$maxDim = [1800, 500];
$maxFileSize = 1000000;
if ($dim[0] === $maxDim[0] && $dim[1] === $maxDim[1]) {
if (filesize($path) < $maxFileSize) {
return;
}
$image = open_image($path, $dim);
} else {
$inputImage = open_image($path, $dim);
$start = [0, 0];
$inDim = [$dim[0], $dim[1]];
$outDim = [$maxDim[0], $maxDim[1]];
// figure out how to crop.
if ($dim[0] / $dim[1] >= $maxDim[0] / $maxDim[1]) {
$inDim[0] = $maxDim[0] / $maxDim[1] * $dim[1];
$start[0] = ($dim[0] - $inDim[0]) / 2;
} else {
$inDim[1] = $maxDim[1] / $maxDim[0] * $dim[0];
$start[1] = ($dim[1] - $inDim[1]) / 2;
}
// don't scale if input image is smaller.
if ($inDim[0] < $outDim[0] || $inDim[1] < $outDim[1]) {
$outDim = $inDim;
}
$image = imagecreatetruecolor($outDim[0], $outDim[1]);
imagecopyresampled($image, $inputImage, 0, 0, $start[0], $start[1], $outDim[0], $outDim[1], $inDim[0], $inDim[1]);
}
imagejpeg($image, $path);
}
function uploadContent()
{
$upload_dir = $siteRoot . 'uploads/';
$allowed_ext = array('jpg', 'jpeg', 'JPG', 'JPEG', 'png', 'PNG', 'gif', 'GIF');
$all_thumbs = json_decode(@file_get_contents($siteRoot . 'pages/all_pics.json'), true);
if (strtolower($_SERVER['REQUEST_METHOD']) != 'post') {
exit_status('Error! Wrong HTTP method!');
}
if (array_key_exists('pic', $_FILES) && $_FILES['pic']['error'] == 0) {
$pic = $_FILES['pic'];
$picNameFix = array("+", "(", ")", "|", "'", "?", " ");
$picName = str_replace($picNameFix, '', $pic['name']);
if (!in_array(get_extension($picName), $allowed_ext)) {
exit_status('Only ' . implode(',', $allowed_ext) . ' files are allowed!');
}
// Ensure that file name is unique
if ($all_thumbs[$picName]) {
for ($i = 1; $i <= 20; $i++) {
if ($all_thumbs[$i . '_' . $picName]) {
} else {
$picName = $i . '_' . $picName;
break;
}
}
}
// Move the uploaded file from the temporary directory to the uploads folder,
// create a thumbnail, and log all pics in json file:
if (move_uploaded_file($pic['tmp_name'], $upload_dir . $picName)) {
setContent($picName, $upload_dir . $picName, 'all_pics');
$type = false;
function open_image($file)
{
//detect type and process accordinally
global $type;
$size = getimagesize($file);
switch ($size["mime"]) {
case "image/jpeg":
$im = imagecreatefromjpeg($file);
//jpeg file
break;
case "image/gif":
$im = imagecreatefromgif($file);
//gif file
break;
case "image/png":
$im = imagecreatefrompng($file);
//png file
break;
default:
$im = false;
break;
}
return $im;
}
$thumbnailImage = open_image($upload_dir . $picName);
$w = imagesx($thumbnailImage);
$h = imagesy($thumbnailImage);
//calculate new image dimensions (preserve aspect)
if (isset($_GET['w']) && !isset($_GET['h'])) {
$new_w = $_GET['w'];
$new_h = $new_w * ($h / $w);
} elseif (isset($_GET['h']) && !isset($_GET['w'])) {
$new_h = $_GET['h'];
$new_w = $new_h * ($w / $h);
} else {
$new_w = isset($_GET['w']) ? $_GET['w'] : 60;
$new_h = isset($_GET['h']) ? $_GET['h'] : 60;
if ($w / $h > $new_w / $new_h) {
$new_h = $new_w * ($h / $w);
} else {
$new_w = $new_h * ($w / $h);
}
}
$im2 = ImageCreateTrueColor($new_w, $new_h);
$imageFormat = strtolower(substr(strrchr($picName, "."), 1));
if ($imageFormat == "gif" || $imageFormat == "png") {
imagecolortransparent($im2, imagecolorallocatealpha($im2, 0, 0, 0, 127));
imagealphablending($im2, false);
imagesavealpha($im2, true);
}
imagecopyResampled($im2, $thumbnailImage, 0, 0, 0, 0, $new_w, $new_h, $w, $h);
//effects
if (isset($_GET['blur'])) {
$lv = $_GET['blur'];
for ($i = 0; $i < $lv; $i++) {
$matrix = array(array(1, 1, 1), array(1, 1, 1), array(1, 1, 1));
$divisor = 9;
$offset = 0;
imageconvolution($im2, $matrix, $divisor, $offset);
}
}
if (isset($_GET['sharpen'])) {
$lv = $_GET['sharpen'];
for ($i = 0; $i < $lv; $i++) {
$matrix = array(array(-1, -1, -1), array(-1, 16, -1), array(-1, -1, -1));
$divisor = 8;
$offset = 0;
imageconvolution($im2, $matrix, $divisor, $offset);
}
}
imagejpeg($im2, $upload_dir . 'thumbs/' . $picName);
imagegif($im2, $upload_dir . 'thumbs/' . $picName);
imagepng($im2, $upload_dir . 'thumbs/' . $picName);
//move_uploaded_file($thumbnailImage, $upload_dir.'thumbs/'.$picName);
//copy($upload_dir.$picName, $upload_dir.'thumbs/'.$picName);
exit_status('File was uploaded successfuly!');
}
}
exit_status('Something went wrong with your upload!');
}
/**
* Stretch image
*
* @param mixed $input
* @param string $dest_file
* @param integer $new_width
* @param integer $new_height
* @param mixed $output_type
* @param integer $quality
* @return null
*/
function stretch_image($input, $dest_file, $new_width, $new_height, $output_type = null, $quality = 80)
{
if (!extension_loaded('gd')) {
return false;
}
// if
if (is_array($input) && array_key_exists('type', $input) && array_key_exists('resource', $input)) {
$open_image = $input;
$close_resource = false;
} else {
$open_image = open_image($input);
$close_resource = true;
if (!is_array($open_image)) {
throw new Error(lang('Could not parse image: ' . $input));
return false;
}
// if
}
// if
$image_type = $open_image['type'];
$image = $open_image['resource'];
if ($output_type === null) {
$output_type = $image_type;
}
// if
$width = imagesx($image);
$height = imagesy($image);
$resulting_image = imagecreatetruecolor($new_width, $new_height);
if (can_use_image_alpha($output_type)) {
imagealphablending($resulting_image, false);
imagesavealpha($resulting_image, true);
$alpha = imagecolorallocatealpha($resulting_image, 255, 255, 255, 127);
imagefilledrectangle($resulting_image, 0, 0, $new_width, $new_height, $alpha);
} else {
$white_color = imagecolorallocate($resulting_image, 255, 255, 255);
imagefill($resulting_image, 0, 0, $white_color);
}
// if
imagecopyresampled($resulting_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
if ($close_resource) {
imagedestroy($image);
}
// if
$result = save_image($image, $dest_file, $output_type, $quality);
return $result;
}
private function build_image($resize, $thumb, $table, $name, $file)
{
//move image to temp folder
move_uploaded_file($this->image['tmp_name'], $this->tempfile);
$this->imagehash = hash_file('md5', $this->tempfile);
$this->check_db($table, $name, $file);
if ($this->existing && file_exists($this->newfile)) {
echo "File already exists. ";
// echo "File already exists. Links redirected to $this->newfname. ";
} else {
if (!file_exists($this->newfile)) {
if ($resize) {
if ($this->image['type'] != 'image/gif') {
if ($temp = open_image($this->tempfile)) {
$src = $temp[0];
$canvas = inline_crop($src, $this->dimensions, $this->cropmode, $this->prefwidth, $this->prefheight);
$this->save_image($this->image['type'], $canvas, $this->newfile);
imagedestroy($canvas);
imagedestroy($src);
} else {
unlink($this->tempfile);
echo 'Error: image too large or invalid. ';
return false;
}
} else {
copy($this->tempfile, $this->newfile);
echo 'Image uploaded! ';
}
} else {
if ($thumb) {
if ($temp = open_image($this->tempfile)) {
$src = $temp[0];
$canvas = make_thumbnail($src, $this->dimensions, $this->prefwidth, $this->prefheight, $this->thumbcolor);
$this->save_image($this->thumbmime, $canvas, $this->thumbfile);
} else {
unlink($this->tempfile);
echo 'Error: image too large or invalid. ';
return false;
}
}
copy($this->tempfile, $this->newfile);
}
}
}
unlink($this->tempfile);
$this->tempfile = null;
return true;
}
/**
* Create thumbnail for an image if the module is gallery
*
* @param $pathToImages The path where the image that has to be converted is stored.
* @param $pathToThumbs The path where the thumbnail that is created must be saved.
*
* @return true if the thumbnail creation is successful and false otherwise
*/
function createThumbs($pathToImages, $pathToThumbs, $thumbWidth)
{
// load image and get image size
$img = open_image("{$pathToImages}");
if ($img != false) {
$width = imagesx($img);
$height = imagesy($img);
// calculate thumbnail size
$new_width = $thumbWidth;
// $new_height = floor( $height * ( $thumbWidth / $width ) );
$new_height = $thumbWidth;
// create a new temporary image
$tmp_img = imagecreatetruecolor($new_width, $new_height);
// copy and resize old image into new image
imagecopyresampled($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
// save thumbnail into a file
$size = getimagesize("{$pathToImages}");
switch ($size["mime"]) {
case "image/jpeg":
$im = imagejpeg($tmp_img, "{$pathToThumbs}");
break;
case "image/gif":
$im = imagegif($tmp_img, "{$pathToThumbs}");
break;
case "image/png":
$im = imagepng($tmp_img, "{$pathToThumbs}");
break;
}
return true;
}
return false;
}
imageinterlace($image, 1);
//--將圖片轉換為漸進式模
imagejpeg($image);
}
}
break;
case "watermark":
// 浮水印
$img_info = getimagesize($_GET["markurl"]);
$w_width = $img_info['0'];
$w_height = $img_info['1'];
$w_mime = $img_info['mime'];
$pi_w = $_GET["pw"] ? $_GET["pw"] : 0.4;
$pi_h = $_GET["ph"] ? $_GET["ph"] : 0.2;
//--打開水印圖檔
$watermark = open_image($_GET["markurl"]);
$watermark_pos_x = abs($w / 2 - $w_width / 2);
$watermark_pos_y = abs($h / 2 - $w_height / 2);
//--大小換算
$target_w = abs($w_width * ($w / $w_width) * $pi_w);
$target_h = abs($w_height * ($h / $w_height) * $pi_h);
// 浮水印的圖若是透明背景、透明底圖, 需要用下述兩行
$case_in = $_GET["in"] ? $_GET["in"] : 5;
$temp_png_w_array = png_water_inpos($w, $h, $target_w, $target_h, $case_in);
$watermark_pos_x = $temp_png_w_array[0];
$watermark_pos_y = $temp_png_w_array[1];
$image_p = imagecreatetruecolor($target_w, $target_h);
//--建立空圖
imagealphablending($image_p, false);
imagecopyresampled($image_p, $watermark, 0, 0, 0, 0, $target_w, $target_h, $w_width, $w_height);
$watermark = $image_p;
/**
* Force resize
*
* @param string $input_file
* @param string $dest_file
* @param integer $width
* @param integer $height
* @param mixed $output_type
* @return null
*/
function resize_image($input_file, $dest_file, $new_width, $new_height, $output_type = null, $quality = 80)
{
if (!extension_loaded('gd')) {
return false;
}
// if
$open_image = open_image($input_file);
if (is_array($open_image)) {
$image_type = $open_image['type'];
$image = $open_image['resource'];
$width = imagesx($image);
$height = imagesy($image);
$tmp_img = imagecreatetruecolor($new_width, $new_height);
$white_color = imagecolorallocate($tmp_img, 255, 255, 255);
imagefill($tmp_img, 0, 0, $white_color);
imagecopyresampled($tmp_img, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
imagedestroy($image);
$image = $tmp_img;
if ($output_type === null) {
$output_type = $image_type;
}
// if
switch ($output_type) {
case IMAGETYPE_JPEG:
return imagejpeg($image, $dest_file, $quality);
case IMAGETYPE_GIF:
return imagegif($image, $dest_file);
case IMAGETYPE_PNG:
return imagepng($image, $dest_file);
}
// switch
}
// ifs
return false;
}
/**
* creates a thumbnail and put it in the THUMBS dir, or print it.
*
* @param string $src reference to the original file
* @param int $maxY max height of thumb
* @param int $maxX max width of thumb
* @return true if success, false if error
*/
static function createThumbnail($src, $writeToFile = true, $maxY = false, $maxX = false)
{
if (!$maxY && !$maxX) {
return false;
}
$file = open_image($src);
if ($file) {
$oldX = imagesx($file);
$oldY = imagesy($file);
$x = 0;
$y = 0;
$assumedY = $maxX * ($oldY / $oldX);
$assumedX = $maxY * ($oldX / $oldY);
if ($assumedX > $maxX) {
$x = $maxX;
$y = $assumedY;
}
if ($assumedY > $maxY) {
$x = $assumedX;
$y = $maxY;
}
$img = imagecreatetruecolor($x, $y);
imagecopyresampled($img, $file, 0, 0, 0, 0, $x, $y, $oldX, $oldY);
$filename = strtolower(strtr(substr($src, STRLEN(IMAGES) + 1), '/', '_'));
$destination = THUMBS . '/' . $filename;
if ($writeToFile) {
imagejpeg($img, $destination, 40);
} else {
header('content-type: image/jpeg');
imagejpeg($img);
}
}
return true;
}
