/**
* 构造函数.
* 初始化 GIF 图像.
*
* @access public
* @param string $gifPath GIF 图片文件路径.
* @return void
*/
public function __construct($gifPath = NULL)
{
if (NULL === $gifPath) {
return;
}
$contents = file_get_contents($gifPath);
$gifDecoder = new GIFDecoder($contents);
$this->_frames = $gifDecoder->GIFGetFrames();
$this->_delays = $gifDecoder->GIFGetDelays();
}
public function __construct($src = NULL, $mod = "url")
{
if (!is_null($src)) {
if ("url" == $mod && is_file($src)) {
$src = file_get_contents($src);
}
try {
$de = new GIFDecoder($src);
$this->frames = $de->GIFGetFrames();
$this->delays = $de->GIFGetDelays();
} catch (Exception $e) {
throw new Exception("½âÂëGIFͼƬ³ö´í");
}
}
}
/**
* 构造方法，用于解码GIF图片
* @param string $src GIF图片数据
* @param string $mod 图片数据类型
*/
public function __construct($src = null, $mod = 'url')
{
if (!is_null($src)) {
if ('url' == $mod && is_file($src)) {
$src = file_get_contents($src);
}
/* 解码GIF图片 */
try {
$de = new GIFDecoder($src);
$this->frames = $de->GIFGetFrames();
$this->delays = $de->GIFGetDelays();
} catch (Exception $e) {
throw new Exception("解码GIF图片出错");
}
}
}
function GIFReadDescriptor()
{
$GIF_screen = array();
GIFDecoder::GIFGetByte(9);
$GIF_screen = $this->GIF_buffer;
$GIF_colorF = $this->GIF_buffer[8] & 0x80 ? 1 : 0;
if ($GIF_colorF) {
$GIF_code = $this->GIF_buffer[8] & 0x7;
$GIF_sort = $this->GIF_buffer[8] & 0x20 ? 1 : 0;
} else {
$GIF_code = $this->GIF_colorC;
$GIF_sort = $this->GIF_sorted;
}
$GIF_size = 2 << $GIF_code;
$this->GIF_screen[4] &= 0x70;
$this->GIF_screen[4] |= 0x80;
$this->GIF_screen[4] |= $GIF_code;
if ($GIF_sort) {
$this->GIF_screen[4] |= 0x8;
}
$this->GIF_string = "GIF87a";
GIFDecoder::GIFPutByte($this->GIF_screen);
if ($GIF_colorF == 1) {
GIFDecoder::GIFGetByte(3 * $GIF_size);
GIFDecoder::GIFPutByte($this->GIF_buffer);
} else {
GIFDecoder::GIFPutByte($this->GIF_global);
}
$this->GIF_string .= chr(0x2c);
$GIF_screen[8] &= 0x40;
GIFDecoder::GIFPutByte($GIF_screen);
GIFDecoder::GIFGetByte(1);
GIFDecoder::GIFPutByte($this->GIF_buffer);
for (;;) {
GIFDecoder::GIFGetByte(1);
GIFDecoder::GIFPutByte($this->GIF_buffer);
if (($u = $this->GIF_buffer[0]) == 0x0) {
break;
}
GIFDecoder::GIFGetByte($u);
GIFDecoder::GIFPutByte($this->GIF_buffer);
}
$this->GIF_string .= chr(0x3b);
/*
Add frames into $GIF_stream array...
*/
$this->GIF_arrays[] = $this->GIF_string;
}
function updateIcon($uid)
{
global $atc_attachment_name, $db_ifftp;
$uid = intval($uid);
if ($uid < 1 || !S::isArray($_FILES)) {
return $this->buildResponse(USER_INVALID_PARAMS);
}
ACloud_Sys_Core_Common::setGlobal('customized_current_uid', $uid);
$user = $this->getCurrentUser();
if (!$user->isLogin()) {
return $this->buildResponse(USER_NOT_LOGIN);
}
$ext = strtolower(substr(strrchr($_FILES['icon']['name'], '.'), 1));
L::loadClass('faceupload', 'upload', false);
$face = new FaceUpload($user->uid);
$icondb = PwUpload::upload($face);
require_once R_P . 'require/showimg.php';
$udir = str_pad(substr($user->uid, -2), 2, '0', STR_PAD_LEFT);
if (!in_array(strtolower($ext), array('gif', 'jpg', 'jpeg', 'png', 'bmp'))) {
return $this->buildResponse(USER_UPLOAD_CONTENT_ERROR);
}
$filename = "{$user->uid}.{$ext}";
$sourceFilename = "{$user->uid}_tmp.{$ext}";
$sourceDir = "upload/{$udir}/";
$middleDir = "upload/middle/{$udir}/";
$smallDir = "upload/small/{$udir}/";
$img_w = $img_h = 0;
$sourceFile = PwUpload::savePath($db_ifftp, $sourceFilename, $sourceDir);
$middleFile = PwUpload::savePath($db_ifftp, $filename, $middleDir);
PwUpload::createFolder(dirname($middleFile));
PwUpload::movefile($sourceFile, $middleFile);
require_once R_P . 'require/imgfunc.php';
if (!($img_size = GetImgSize($middleFile))) {
P_unlink($middleFile);
return $this->buildResponse(USER_UPLOAD_CONTENT_ERROR);
}
list($img_w, $img_h) = getimagesize($middleFile);
$smallFile = PwUpload::savePath($db_ifftp, $filename, $smallDir);
$s_ifthumb = 0;
PwUpload::createFolder(dirname($smallFile));
if ($ext == 'gif') {
L::loadClass('gifdecoder', 'utility', false);
L::loadClass('gif', 'utility', false);
$gifDecoder = new GIFDecoder($data);
$frames = $gifDecoder->GIFGetFrames();
if (!empty($frames)) {
foreach ($frames as $key => $value) {
$frames[$key] = makeAvatarGifThumb($value, $img_w, $img_h, 48, 48);
}
$anime = new GIFEncoder($frames, $gifDecoder->GIFGetDelays(), $gifDecoder->GIFGetLoop(), $gifDecoder->GIFGetDisposal(), $gifDecoder->GIFGetTransparentR(), $gifDecoder->GIFGetTransparentG(), $gifDecoder->GIFGetTransparentB(), 'bin');
$newGifData = $anime->getAnimation();
PwUpload::createFolder(dirname($smallFile));
writeover($smallFile, $newGifData);
$s_ifthumb = 1;
}
} elseif (MakeThumb($middleFile, $smallFile, 48, 48)) {
$s_ifthumb = 1;
}
if ($db_ifftp) {
PwUpload::movetoftp($middleFile, $middleDir . $filename);
$s_ifthumb && PwUpload::movetoftp($smallFile, $smallDir . $filename);
}
$user_a = explode('|', $user->icon);
$user_a[2] = $img_w;
$user_a[3] = $img_h;
$usericon = setIcon("{$udir}/{$user->uid}.{$ext}", 3, $user_a);
$userService = L::loadClass('UserService', 'user');
/* @var $userService PW_UserService */
$userService->update($user->uid, array('icon' => $usericon));
list($iconurl) = showfacedesign($usericon, 1, 's');
return $this->buildResponse(0, array('icon' => $iconurl));
}
private function imagecreatefrom_gif($src)
{
if ($this->ani_allow && ($this->ani_gif = $this->is_ani($src))) {
$gif = new GIFDecoder(file_get_contents($src));
$img = $gif->GIFGetFrames();
foreach ($img as $k => $frame) {
$img[$k] = imagecreatefromstring($frame);
if ($k === 0) {
$img_sizex = imagesx($img[$k]);
$img_sizey = imagesy($img[$k]);
} elseif ($img_sizex != imagesx($img[$k]) || $img_sizey != imagesy($img[$k])) {
unset($img);
$this->ani_gif = false;
$this->ani_offset = null;
break;
}
}
}
if (!$this->ani_gif || count($img) <= 0) {
$img = imagecreatefromgif($src);
$this->ani_gif = false;
} else {
// set var when 100%
$this->ani_delays = $gif->GIFGetDelays();
$this->ani_disposal = $gif->GIFGetDisposal();
$this->ani_transparent['r'] = $gif->GIFGetTransparentR();
$this->ani_transparent['g'] = $gif->GIFGetTransparentG();
$this->ani_transparent['b'] = $gif->GIFGetTransparentB();
}
return $img;
}
/*$normalFile = PwUpload::savePath($db_ifftp, "{$winduid}.$ext", "$normalDir");
PwUpload::createFolder(dirname($normalFile));
list($w, $h) = explode("\t", $db_fthumbsize);
if ($db_iffthumb && MakeThumb($source, $normalFile, $w, $h)) {
P_unlink($source);
} elseif (!PwUpload::movefile($source, $normalFile)) {
Showmsg('undefined_action');
}*/
list($img_w, $img_h) = getimagesize($middleFile);
$smallFile = PwUpload::savePath($db_ifftp, $filename, $smallDir);
$s_ifthumb = 0;
PwUpload::createFolder(dirname($smallFile));
if ($ext == 'gif') {
L::loadClass('gifdecoder', 'utility', false);
L::loadClass('gif', 'utility', false);
$gifDecoder = new GIFDecoder($data);
$frames = $gifDecoder->GIFGetFrames();
if (!empty($frames)) {
foreach ($frames as $key => $value) {
$frames[$key] = makeAvatarGifThumb($value, $img_w, $img_h, 48, 48);
}
$anime = new GIFEncoder($frames, $gifDecoder->GIFGetDelays(), $gifDecoder->GIFGetLoop(), $gifDecoder->GIFGetDisposal(), $gifDecoder->GIFGetTransparentR(), $gifDecoder->GIFGetTransparentG(), $gifDecoder->GIFGetTransparentB(), 'bin');
$newGifData = $anime->getAnimation();
PwUpload::createFolder(dirname($smallFile));
pwCache::writeover($smallFile, $newGifData);
$s_ifthumb = 1;
}
} elseif (MakeThumb($middleFile, $smallFile, 48, 48)) {
$s_ifthumb = 1;
}
if ($db_ifftp) {
function GIFReadDescriptor()
{
$GIF_screen = array();
GIFDecoder::GIFGetByte(9);
$GIF_screen = $this->GIF_buffer;
$GIF_colorF = $this->GIF_buffer[8] & 0x80 ? 1 : 0;
if ($GIF_colorF) {
$GIF_code = $this->GIF_buffer[8] & 0x7;
$GIF_sort = $this->GIF_buffer[8] & 0x20 ? 1 : 0;
} else {
$GIF_code = $this->GIF_colorC;
$GIF_sort = $this->GIF_sorted;
}
$GIF_size = 2 << $GIF_code;
$this->GIF_screen[4] &= 0x70;
$this->GIF_screen[4] |= 0x80;
$this->GIF_screen[4] |= $GIF_code;
if ($GIF_sort) {
$this->GIF_screen[4] |= 0x8;
}
/*
*
* GIF Data Begin
*
*/
if ($this->GIF_TransparentI) {
$this->GIF_string = "GIF89a";
} else {
$this->GIF_string = "GIF87a";
}
GIFDecoder::GIFPutByte($this->GIF_screen);
if ($GIF_colorF == 1) {
GIFDecoder::GIFGetByte(3 * $GIF_size);
if ($this->GIF_TransparentI) {
$this->GIF_TransparentR = $this->GIF_buffer[3 * $this->GIF_TransparentI + 0];
$this->GIF_TransparentG = $this->GIF_buffer[3 * $this->GIF_TransparentI + 1];
$this->GIF_TransparentB = $this->GIF_buffer[3 * $this->GIF_TransparentI + 2];
}
GIFDecoder::GIFPutByte($this->GIF_buffer);
} else {
if ($this->GIF_TransparentI) {
$this->GIF_TransparentR = $this->GIF_global[3 * $this->GIF_TransparentI + 0];
$this->GIF_TransparentG = $this->GIF_global[3 * $this->GIF_TransparentI + 1];
$this->GIF_TransparentB = $this->GIF_global[3 * $this->GIF_TransparentI + 2];
}
GIFDecoder::GIFPutByte($this->GIF_global);
}
if ($this->GIF_TransparentI) {
$this->GIF_string .= "!ù" . chr($this->GIF_TransparentI) . "";
}
$this->GIF_string .= chr(0x2c);
$GIF_screen[8] &= 0x40;
GIFDecoder::GIFPutByte($GIF_screen);
GIFDecoder::GIFGetByte(1);
GIFDecoder::GIFPutByte($this->GIF_buffer);
for (;;) {
GIFDecoder::GIFGetByte(1);
GIFDecoder::GIFPutByte($this->GIF_buffer);
if (($u = $this->GIF_buffer[0]) == 0x0) {
break;
}
GIFDecoder::GIFGetByte($u);
GIFDecoder::GIFPutByte($this->GIF_buffer);
}
$this->GIF_string .= chr(0x3b);
/*
*
* GIF Data End
*
*/
$this->GIF_arrays[] = $this->GIF_string;
}
public function parse($file)
{
$content = fread(fopen($file, 'rb'), filesize($file));
$decoder = new GIFDecoder($content);
return array('frames' => $decoder->GIFGetFrames(), 'dly' => $decoder->GIFGetDelays(), 'lop' => $decoder->GIFGetLoop(), 'dis' => $decoder->GIFGetDisposal(), 'red' => $decoder->GIFGetTransparentR(), 'grn' => $decoder->GIFGetTransparentG(), 'bln' => $decoder->GIFGetTransparentB());
}
/**
* Resize the animated gif's by splitting it to frames, and resizing each frame.
* @param $width
* @param $height
* @param $newfile
* @return array
*/
function _resizeAnimatedGif($width, $height, $newfile = NULL)
{
// jimport('joomla.filesystem.file');
$libDir = JPATH_ROOT . DIRECTORY_SEPARATOR . 'libraries' . DIRECTORY_SEPARATOR . 'mint' . DIRECTORY_SEPARATOR . 'image_processing';
require_once $libDir . DIRECTORY_SEPARATOR . 'GIFDecoder.class.php';
require_once $libDir . DIRECTORY_SEPARATOR . 'GIFEncoder.class.php';
// Create gif decoder.
// $gifDecoder = new GIFDecoder(JFile::read($this->imgFile));
$gifDecoder = new GIFDecoder(file_get_contents($this->imgFile));
// Write the frames to disk.
$files = array();
foreach ($gifDecoder->GIFGetFrames() as $k => $frame) {
// store the current frame to disk.
// $filename = JPath::clean($this->tempDir. DIRECTORY_SEPARATOR .uniqid('resize_', true));
$img = imagecreatefromstring($frame);
$newimg = @imagecreatetruecolor($width, $height);
if ($this->transparentGif) {
$colorcount = imagecolorstotal($img);
if ($colorcount == 0) {
$colorcount = 256;
}
imagetruecolortopalette($newimg, true, $colorcount);
imagepalettecopy($newimg, $img);
$transparentcolor = imagecolortransparent($img);
imagefill($newimg, 0, 0, $transparentcolor);
imagecolortransparent($newimg, $transparentcolor);
}
@imagecopyresampled($newimg, $img, 0, 0, 0, 0, $width, $height, $this->imgWidth, $this->imgHeight);
// take care about border :)
if (is_resource($this->_border)) {
@imagecopyresampled($newimg, $this->_border, 0, 0, 0, 0, $width, $height, imagesx($this->_border), imagesy($this->_border));
}
ob_start();
imagegif($newimg);
$files[] = ob_get_clean();
// free some memory
@imagedestroy($newimg);
@imagedestroy($img);
unset($frame);
unset($gifDecoder->GIF_arrays[$k]);
}
// Create encoder
$gifEncoder = new GIFEncoder($files, $gifDecoder->GIFGetDelays(), $gifDecoder->GIFGetLoop(), $gifDecoder->GIFGetDisposal(), $gifDecoder->GIFGetTransparentR(), $gifDecoder->GIFGetTransparentG(), $gifDecoder->GIFGetTransparentB(), 'bin');
unset($gifDecoder);
foreach ($files as $f) {
@unlink($f);
}
if (!empty($newfile)) {
//JFile::write($newfile, $gifEncoder->getAnimation());
file_put_contents($newfile, $gifEncoder->getAnimation());
} else {
@header("Content-type: image/gif");
echo $gifEncoder->getAnimation();
}
}