/**
* Load the image from file.
*
* @param T_File_Path $path file path
*/
function __construct($path)
{
$this->mime = $path->getMime();
if (!$path->exists()) {
throw new T_Exception_Image($path->__toString() . ' not exists');
}
$pathstr = $path->__toString();
list($this->width, $this->height, $type) = @getimagesize($pathstr);
switch ($this->mime->getType()) {
case T_Mime::JPEG:
if ($type !== IMAGETYPE_JPEG) {
throw new T_Exception_Image($pathstr . ' is not a JPEG');
}
$this->handle = @imagecreatefromjpeg($pathstr);
break;
case T_Mime::PNG:
if ($type !== IMAGETYPE_PNG) {
throw new T_Exception_Image($pathstr . ' is not a PNG');
}
$this->handle = @imagecreatefrompng($pathstr);
break;
case T_Mime::GIF:
if ($type !== IMAGETYPE_GIF) {
throw new T_Exception_Image($pathstr . ' is not a GIF');
}
$this->handle = @imagecreatefromgif($pathstr);
break;
default:
$msg = 'Illegal image MIME type ' . $mime->__toString();
throw new T_Exception_Image($msg);
}
if ($this->handle === false) {
throw new T_Exception_Image('Error loading ' . $pathstr);
}
}
/**
* Open file.
*
* The constructor calls the fopen function to open the file handle and
* throws a T_Exception_File on failure. The input $mode is also checked
* for portability (it should include the 'b' binary indicator so original
* line endings are preserved). The input modes available are:
*
* 'rb' reading only.
* 'wb' writing only, truncate or create file.
*
* @param T_File_Path $fname full path to file
* @param string $mode open mode (including 'b' indicator)
*/
function __construct(T_File_Path $fname, $mode)
{
if (strcmp('wb', $mode) == 0) {
$this->fswap = $fname;
$fname = new T_File_Path($fname->getDirName(), uniqid(rand(), true), null);
// ^ make a tmp file in same dir as target
}
parent::__construct($fname, $mode);
}
function testToBufferOutputsFileContentsToBuffer()
{
mkdir(T_CACHE_DIR . 'test');
$path = new T_File_Path(T_CACHE_DIR . 'test', 'common', 'css');
$file = new T_File_Unlocked($path, 'wb');
$file->write('somecontent');
$file->close();
$view = new T_File_View(T_CACHE_DIR . 'test', 'common', 'css');
$expect = file_get_contents($path->__toString());
ob_start();
$test = $view->toBuffer();
$this->assertSame($view, $test, 'fluent interface');
$test = ob_get_clean();
$this->assertSame($expect, $test);
}
/**
* Outputs the file to the output buffer.
*
* @return T_View fluent interface
*/
function toBuffer()
{
$ok = @readfile(parent::__toString());
if ($ok === false) {
throw new T_Exception_File(parent::__toString(), 'could not be rendered to buffer');
}
return $this;
}
/**
* Specify path.
*
* @param string $web_root dir for web root
* @param string $rel_dir rel dir from web root
* @param string $file filename
* @param string $ext extension
*/
function __construct($web_root, $rel_dir, $file, $ext)
{
// split relative path into path sub-sections
$rel_dir = trim(trim($rel_dir, '/'), DIRECTORY_SEPARATOR);
if (strcmp('/', DIRECTORY_SEPARATOR) !== 0) {
$this->url_path = preg_split('#[' . preg_quote('/' . DIRECTORY_SEPARATOR) . ']#', $rel_dir);
} else {
$this->url_path = explode('/', $rel_dir);
}
// concatenate dirs and exe parent
$dir = rtrim(rtrim($web_root, '/'), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $rel_dir;
parent::__construct($dir, $file, $ext);
}
/**
* Save to file.
*
* @param string $dir directory
* @param string $filename filename
* @return T_File_Path filepath to file (normalized extension)
*/
function toFile($dir, $filename)
{
$path = new T_File_Path($dir, $filename, $this->getMime()->getExt());
if ($path->exists()) {
/* atomic swap-based replace performed so no possibility of
mid-write read of partial image by another process */
$tmp = new T_File_Path($dir, uniqid(rand(), true), $this->getMime()->getExt());
$this->export($tmp->__toString());
$tmp->rename($path);
} else {
$this->export($path->__toString());
}
return $path;
}
/**
* Compiles a template file using a filter.
*
* @param mixed filter
* @return string compiled template filename
*/
function _compileUsingFilter($filter)
{
$dir = new T_File_Dir(T_CACHE_DIR . 'template');
$cache = new T_File_Path($dir->__toString(), md5($this->_tpl), 'php');
if (!$cache->exists() || $cache->exists() && $cache->getLastModified() < filemtime($this->_tpl)) {
$data = @file_get_contents($this->_tpl);
if ($data === false) {
$msg = "Error reading template file {$this->_tpl}";
throw new RuntimeException();
}
$data = _transform($data, $filter);
$swap = new T_File_Swap($cache, 'wb');
$swap->write($data);
$swap->close();
}
return $cache->__toString();
}
/**
* Copy file to another location.
*
* @param T_File_Path $path filepath for file to copy to
*/
function copyTo(T_File_Path $path)
{
$ok = @copy($this->getPath(), $path->__toString());
if (!$ok) {
$msg = 'copy to ' . $path->__toString() . ' failed';
throw new T_Exception_File($this->getPath(), $msg);
}
return $this;
}
/**
* Rename the current file to a new filename.
*
* @param T_File_Path $path new filepath for file
*/
function rename(T_File_Path $path)
{
move_uploaded_file($this->path, $path->__toString());
}
