/**
* If sending an HTML message with embedded images, use this function
* to add the image.
*
* @param $file The image file path.
* @param $c_type (optional) The content type of the image or file.
* @param $name (optional) The filename of the image.
*/
function addHTMLImage($file, $c_type = '', $name = '')
{
if (!YDObjectUtil::isSubClass($file, 'YDFSImage')) {
$file = new YDFSImage($file);
}
$data = $file->getContents();
if (empty($name)) {
$name = $file->getBaseName();
}
if (empty($c_type)) {
$c_type = $file->getMimeType();
}
$this->_msg->addHTMLImage($data, $name, $c_type);
}
/**
* This function will do the actual work of creating a thumbnail image.
*
* @param $width The maximum width of the thumbnail.
* @param $height The maximum height of the thumbnail.
* @param $cache (optional) Indicate if the thumbnails should be cached. By default, caching is turned off.
*
* @internal
*/
function &_createThumbnail($width, $height, $cache = true)
{
// Check if the GD library is loaded.
if (!extension_loaded('gd')) {
$this->_error('YD_gd_not_installed');
}
// Include phpThumb
require_once 'phpThumb/phpthumb.class.php';
// Create a new thumbnail object
$thumb = new phpThumb();
$thumb->src = $this->getAbsolutePath();
// Set the options for the creation of thumbnails
$thumb->config_nohotlink_enabled = false;
$thumb->config_cache_directory = YD_DIR_TEMP;
// Set the width and the height
$thumb->w = $width;
$thumb->h = $height;
// Create the cached thumbnail
$cacheFName = $thumb->GenerateCachedFilename();
$cacheFName .= $this->getLastModified();
$cacheFName .= $this->getAbsolutePath();
$cacheFName = YD_TMP_PRE . 'N_' . md5($cacheFName) . '.tmn';
$cacheFName = YD_DIR_TEMP . '/' . $cacheFName;
// Check if caching is enabled
if ($cache == true) {
// Output the cached version if any
if (is_file($cacheFName)) {
$img = new YDFSImage($cacheFName);
header('Content-type: ' . $img->getMimeType());
echo $img->getContents();
die;
}
}
// Width should be positive integer
if ($width < 1) {
$this->_error();
}
// Height should be positive integer
if ($width < 1) {
$this->_error();
}
// Generate the thumbnail
$thumb->GenerateThumbnail();
// Check if caching is enabled
if ($cache == true) {
$thumb->RenderToFile($cacheFName);
}
// Return the thumbnail object
return $thumb;
}
/**
* This function will do the actual work of creating a thumbnail image.
*
* @param $width The maximum width of the thumbnail.
* @param $height The maximum height of the thumbnail.
* @param $cache (optional) Indicate if the thumbnails should be cached. By default, caching is turned off.
* @param $crop (optional) Indicate if the thumbnails should be cropped to the exact size. By default, false.
*
* @internal
*/
function &_createThumbnail($width, $height, $cache = true, $crop = false)
{
// Check if the GD library is loaded.
if (!extension_loaded('gd')) {
$this->_error('YD_gd_not_installed');
}
// Width and height should be positive integer
if ($width < 1 || $height < 1) {
$this->_error();
}
// Get the cache filename
$cacheFName = YD_DIR_TEMP . '/' . $this->_createThumbnailName($width, $height);
// Check if caching is enabled
if ($cache === true) {
// Output the cached version if any
if (is_file($cacheFName)) {
// Create a new image for the cache file
$img = new YDFSImage($cacheFName);
// Set the content type
header('Content-type: ' . $img->getMimeType());
// Output the image
readfile($cacheFName);
die;
}
}
// Check the extension
$img_type = $this->isImage();
// Open the source image
if ($img_type == 'gif') {
if (!function_exists('imagecreatefromgif')) {
$this->_error();
}
$src_img = imagecreatefromgif($this->getAbsolutePath());
} elseif ($img_type == 'png') {
$src_img = imagecreatefrompng($this->getAbsolutePath());
} else {
$src_img = imagecreatefromjpeg($this->getAbsolutePath());
}
// Get the current image size
$ori_width = imageSX($src_img);
$ori_height = imageSY($src_img);
// Calculate the new image size
if ($crop) {
if ($ori_width > $ori_height) {
$thumb_w = ceil($ori_width * ($height / $ori_height));
$thumb_h = $height;
}
if ($ori_width < $ori_height) {
$thumb_w = $width;
$thumb_h = ceil($ori_height * ($width / $ori_width));
}
} else {
if ($ori_width > $ori_height) {
$thumb_w = $width;
$thumb_h = ceil($ori_height * ($width / $ori_width));
}
if ($ori_width < $ori_height) {
$thumb_w = ceil($ori_width * ($height / $ori_height));
$thumb_h = $height;
}
}
if ($ori_width == $ori_height) {
$thumb_w = $width;
$thumb_h = $height;
}
if (($width >= $ori_width || $height >= $ori_height) && (!$crop || $crop && YDConfig::get('YD_FS_CROP') != YD_FS_CROP_ENLARGED)) {
if ($width >= $ori_width && $height < $ori_height) {
$thumb_w = ceil($ori_width * ($height / $ori_height));
$thumb_h = $height;
} else {
if ($width < $ori_width && $height >= $ori_height) {
$thumb_w = $width;
$thumb_h = ceil($ori_height * ($width / $ori_width));
} else {
$thumb_w = $ori_width;
$thumb_h = $ori_height;
}
}
}
// Resample the image
$dst_img = imagecreatetruecolor($thumb_w, $thumb_h);
if ($img_type == 'png') {
imagecopyresized($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $ori_width, $ori_height);
} else {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $ori_width, $ori_height);
}
if ($crop && ($width != $thumb_w || $height != $thumb_h)) {
$x = ceil(abs($thumb_w - $width) / 2);
$y = ceil(abs($thumb_h - $height) / 2);
$default = true;
if ($ori_width < $width || $ori_height < $height) {
switch (YDConfig::get('YD_FS_CROP', YD_FS_CROP_ENLARGED)) {
case YD_FS_CROP_UNCHANGED:
if ($ori_width < $width && $ori_height < $height) {
$crp_img = $dst_img;
$default = false;
} else {
if ($ori_width < $width) {
$x = 0;
$width = $ori_width;
} else {
if ($ori_height < $height) {
$y = 0;
$height = $ori_height;
}
}
}
break;
case YD_FS_CROP_ENLARGED:
case YD_FS_CROP_BORDERED:
break;
}
}
if ($default) {
$crp_img = imagecreatetruecolor($width, $height);
if ($img_type == 'png') {
imagecopyresized($crp_img, $dst_img, 0, 0, $x, $y, $width, $height, $width, $height);
} else {
imagecopyresampled($crp_img, $dst_img, 0, 0, $x, $y, $width, $height, $width, $height);
}
}
$dst_img = $crp_img;
}
// Get the resulting image
ob_start();
if ($img_type == 'gif') {
if (!function_exists('imagegif')) {
imagepng($dst_img);
} else {
imagegif($dst_img);
}
} elseif ($img_type == 'png') {
imagepng($dst_img);
} else {
imagejpeg($dst_img);
}
$image_data = ob_get_contents();
ob_end_clean();
// Destroy the images
imagedestroy($dst_img);
imagedestroy($src_img);
// Save the cache if needed
if ($cache == true) {
$f = new YDFSFile($cacheFName, true);
$f->setContents($image_data);
}
// Return the image data
return $image_data;
}
/**
* If sending an HTML message with embedded images, use this function
* to add the image.
*
* @param $file The image file path.
* @param $c_type (optional) The content type of the image or file.
* @param $name (optional) The filename of the image.
*/
function addHTMLImage($file, $c_type = '', $name = '')
{
if (!YDObjectUtil::isSubClass($file, 'YDFSImage')) {
$file = new YDFSImage($file);
}
if (empty($name)) {
$name = $file->getBaseName();
}
if (empty($c_type)) {
$c_type = $file->getMimeType();
}
$this->_msg->AddEmbeddedImage($file->getAbsolutePath(), $name, $name, 'base64', $c_type);
}
/**
* This function will do the actual work of creating a thumbnail image.
*
* @param $width The maximum width of the thumbnail.
* @param $height The maximum height of the thumbnail.
* @param $cache (optional) Indicate if the thumbnails should be cached. By default, caching is turned off.
*
* @internal
*/
function &_createThumbnail($width, $height, $cache = true)
{
// Check if the GD library is loaded.
if (!extension_loaded('gd')) {
$this->_error('YD_gd_not_installed');
}
// Width and height should be positive integer
if ($width < 1 || $width < 1) {
$this->_error();
}
// Get the cache filename
$cacheFName = YD_DIR_TEMP . '/' . $this->_createThumbnailName($width, $height);
// Check if caching is enabled
if ($cache === true) {
// Output the cached version if any
if (is_file($cacheFName)) {
// Create a new image for the cache file
$img = new YDFSImage($cacheFName);
// Set the content type
header('Content-type: ' . $img->getMimeType());
// Output the image
readfile($cacheFName);
die;
}
}
// Check the extension
$img_type = $this->isImage();
// Open the source image
if ($img_type == 'gif') {
if (!function_exists('imagecreatefromgif')) {
$this->_error();
}
$src_img = imagecreatefromgif($this->getAbsolutePath());
} elseif ($img_type == 'png') {
$src_img = imagecreatefrompng($this->getAbsolutePath());
} else {
$src_img = imagecreatefromjpeg($this->getAbsolutePath());
}
// Get the current image size
$ori_width = imageSX($src_img);
$ori_heigth = imageSY($src_img);
// Calculate the new image size
if ($width >= $ori_width || $height >= $ori_heigth) {
$thumb_w = $ori_width;
$thumb_h = $ori_heigth;
} else {
if ($ori_width > $ori_heigth) {
$thumb_w = $width;
$thumb_h = $ori_heigth * ($width / $ori_width);
}
if ($ori_width < $ori_heigth) {
$thumb_w = $ori_width * ($height / $ori_heigth);
$thumb_h = $height;
}
if ($ori_width == $ori_heigth) {
$thumb_w = $width;
$thumb_h = $height;
}
}
// Resample the image
$dst_img = imagecreatetruecolor($thumb_w, $thumb_h);
if ($img_type == 'png') {
imagecopyresized($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $ori_width, $ori_heigth);
} else {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_w, $thumb_h, $ori_width, $ori_heigth);
}
// Get the resulting image
ob_start();
if ($img_type == 'gif') {
if (!function_exists('imagegif')) {
imagepng($dst_img);
} else {
imagegif($dst_img);
}
} elseif ($img_type == 'png') {
imagepng($dst_img);
} else {
imagejpeg($dst_img);
}
$image_data = ob_get_contents();
ob_end_clean();
// Destroy the images
imagedestroy($dst_img);
imagedestroy($src_img);
// Save the cache if needed
if ($cache == true) {
$f = new YDFSFile($cacheFName, true);
$f->setContents($image_data);
}
// Return the image data
return $image_data;
}
/**
* This function is used to output an error image.
*
* @param $name (optional) Name of the error image. Default image that is shown is the generic
* "YD_ydfsimage_fatal_error".
*
* @internal
*/
function _error($name = 'YD_ydfsimage_fatal_error')
{
$img = new YDFSImage(YD_DIR_HOME . '/images/' . $name . '.gif');
header('Content-type: ' . $img->getMimeType());
echo $img->getContents();
die;
}
