function get_spec_gif_anmation($url, $width, $height)
{
require_once APP_ROOT_PATH . "system/utils/gif_encoder.php";
require_once APP_ROOT_PATH . "system/utils/gif_reader.php";
require_once APP_ROOT_PATH . "system/utils/es_imagecls.php";
$gif = new GIFReader();
$gif->load($url);
$imagec = new es_imagecls();
foreach ($gif->IMGS['frames'] as $k => $img) {
$im = imagecreatefromstring($gif->getgif($k));
$im = $imagec->make_thumb($im, $img['FrameWidth'], $img['FrameHeight'], "gif", $width, $height, $gen = 1);
ob_start();
imagegif($im);
$content = ob_get_contents();
ob_end_clean();
$frames[] = $content;
$framed[] = $img['frameDelay'];
}
$gif_maker = new GIFEncoder($frames, $framed, 0, 2, 0, 0, 0, "bin");
return $gif_maker->GetAnimation();
}
public function water($source, $water, $alpha = 80, $position = "0")
{
//检查文件是否存在
if (!file_exists($source) || !file_exists($water)) {
return false;
}
//图片信息
$sInfo = es_imagecls::getImageInfo($source);
$wInfo = es_imagecls::getImageInfo($water);
//如果图片小于水印图片，不生成图片
if ($sInfo["0"] < $wInfo["0"] || $sInfo['1'] < $wInfo['1']) {
return false;
}
if (is_animated_gif($source)) {
require_once APP_ROOT_PATH . "system/utils/gif_encoder.php";
require_once APP_ROOT_PATH . "system/utils/gif_reader.php";
$gif = new GIFReader();
$gif->load($source);
foreach ($gif->IMGS['frames'] as $k => $img) {
$im = imagecreatefromstring($gif->getgif($k));
//为im加水印
$sImage = $im;
$wCreateFun = "imagecreatefrom" . $wInfo['type'];
if (!function_exists($wCreateFun)) {
$wCreateFun = 'imagecreatefromjpeg';
}
$wImage = $wCreateFun($water);
//设定图像的混色模式
imagealphablending($wImage, true);
switch (intval($position)) {
case 0:
break;
//左上
//左上
case 1:
$posY = 0;
$posX = 0;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//右上
//右上
case 2:
$posY = 0;
$posX = $sInfo[0] - $wInfo[0];
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//左下
//左下
case 3:
$posY = $sInfo[1] - $wInfo[1];
$posX = 0;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//右下
//右下
case 4:
$posY = $sInfo[1] - $wInfo[1];
$posX = $sInfo[0] - $wInfo[0];
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//居中
//居中
case 5:
$posY = $sInfo[1] / 2 - $wInfo[1] / 2;
$posX = $sInfo[0] / 2 - $wInfo[0] / 2;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
}
//end im加水印
ob_start();
imagegif($sImage);
$content = ob_get_contents();
ob_end_clean();
$frames[] = $content;
$framed[] = $img['frameDelay'];
}
$gif_maker = new GIFEncoder($frames, $framed, 0, 2, 0, 0, 0, "bin");
$image_rs = $gif_maker->GetAnimation();
//如果没有给出保存文件名，默认为原图像名
@unlink($source);
//保存图像
file_put_contents($source, $image_rs);
return true;
}
//建立图像
$sCreateFun = "imagecreatefrom" . $sInfo['type'];
if (!function_exists($sCreateFun)) {
$sCreateFun = 'imagecreatefromjpeg';
}
$sImage = $sCreateFun($source);
$wCreateFun = "imagecreatefrom" . $wInfo['type'];
if (!function_exists($wCreateFun)) {
$wCreateFun = 'imagecreatefromjpeg';
}
$wImage = $wCreateFun($water);
//设定图像的混色模式
imagealphablending($wImage, true);
switch (intval($position)) {
case 0:
break;
//左上
//左上
case 1:
$posY = 0;
$posX = 0;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//右上
//右上
case 2:
$posY = 0;
$posX = $sInfo[0] - $wInfo[0];
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//左下
//左下
case 3:
$posY = $sInfo[1] - $wInfo[1];
$posX = 0;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//右下
//右下
case 4:
$posY = $sInfo[1] - $wInfo[1];
$posX = $sInfo[0] - $wInfo[0];
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
//居中
//居中
case 5:
$posY = $sInfo[1] / 2 - $wInfo[1] / 2;
$posX = $sInfo[0] / 2 - $wInfo[0] / 2;
//生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo[0], $wInfo[1], $alpha);
break;
}
//如果没有给出保存文件名，默认为原图像名
@unlink($source);
//保存图像
imagejpeg($sImage, $source, 100);
imagedestroy($sImage);
}