PHP add watermark & scale thumbnail & fixed height & fixed width class

PHP add watermark & scale thumbnail & fixed height & fixed width class. When using the Foreach Loop, sleep is required to set a time or follow the returned value after processing, otherwise the processing is not complete. Download: Http://pan.baidu.com/s/1ntKAfFF File name: image_process.class.php Class image_process{ public $source;//Original Public $source _width;//Wide Public $source _height;//High Public $source _type_id; Public $orign _name; Public $orign _dirname; Incoming picture path Public function __construct ($source) { $this->typelist = Array (1=> ' gif ',2=> ' jpg ',3=> ' png '); $ginfo = getimagesize ($source); $this->source_width = $ginfo [0]; $this->source_height = $ginfo [1]; $this->source_type_id= $ginfo [2]; $this->orign_url = $source; $this->orign_name = basename ($source); $this->orign_dirname = dirname ($source); } Judgment and processing, return PHP recognizable encoding Public Function Judgetype ($type, $source) { if ($type ==1) { Return Imagecreatefromgif ($source);//gif }else if ($type ==2) { Return Imagecreatefromjpeg ($source);//jpg }else if ($type ==3) { Return Imagecreatefrompng ($source);//png }else{ return false; } } Generate Watermark Map Public Function Watermarkimage ($logo) { $linfo = getimagesize ($logo); $logo _width = $linfo [0]; $logo _height = $linfo [1]; $logo _type_id = $linfo [2]; $sourceHandle = $this->judgetype ($this->source_type_id, $this->orign_url); $logoHandle = $this->judgetype ($logo _type_id, $logo); if (! $sourceHandle | |! $logoHandle) { return false; } $x = $this->source_width-$logo _width; $y = $this->source_height-$logo _height; Imagecopy ($sourceHandle, $logoHandle, $x, $y, 0,0, $logo _width, $logo _width) or Die ("fail to combine"); $newPic = $this->orign_dirname. ' \water_ '. Time (). '. '. $this->typelist[$this->source_type_id]; if ($this->saveimage ($sourceHandle, $newPic)) { Imagedestroy ($sourceHandle); Imagedestroy ($logoHandle); } } Fix width Height = true headspace height width = true headspace width Public Function Fixsizeimage ($width, $height) { if ($width > $this->source_width) $this->source_width; if ($height > $this->source_height) $this->source_height; if ($width = = = False) { $width = Floor ($this->source_width/($this->source_height/$height)); } if ($height = = = False) { $height = Floor ($this->source_height/($this->source_width/$width)); } $this->tinyimage ($width, $height); } Proportional scaling $scale Zoom ratio Public Function Scaleimage ($scale) { $width = Floor ($this->source_width * $scale); $height = Floor ($this->source_height * $scale); $this->tinyimage ($width, $height); } Create a thumbnail Private Function Tinyimage ($width, $height) { $tinyImage = Imagecreatetruecolor ($width, $height); $handle = $this->judgetype ($this->source_type_id, $this->orign_url); if (function_exists (' imagecopyresampled ')) { Imagecopyresampled ($tinyImage, $handle, 0,0,0,0, $width, $height, $this->source_width, $this->source_height); }else{ Imagecopyresized ($tinyImage, $handle, 0,0,0,0, $width, $height, $this->source_width, $this->source_height); } $newPic = Time (). ' _ '. $width. ' _ '. $height. '. $this->typelist[$this->source_type_id]; $newPic = $this->orign_dirname. ' \thumb_ '. $newPic; if ($this->saveimage ($tinyImage, $newPic)) { Imagedestroy ($tinyImage); Imagedestroy ($handle); } } Save picture Private Function SaveImage ($image, $url) { if (imagejpeg ($image, $url)) { return true; } } } Copy Code Use Include (' image_process.class.php '); $m = Array ( ' D:\myspace\test\image_process\1.jpg ', ' D:\myspace\test\image_process\2.jpg ', ' D:\myspace\test\image_process\3.jpg ', ' D:\myspace\test\image_process\4.jpg ' ); $img = ' D:\myspace\test\image_process\1.jpg '; $logo = ' D:\myspace\test\image_process\logo.png '; foreach ($m as $item) { $s = new image_process ($item); $s->watermarkimage ($logo); $s->scaleimage (0.8); $s->fixsizeimage (200,false); Sleep (1); } Copy Code

