Home > php教程 > PHP源码 > body text

水印生成缩略图

PHP中文网
Release: 2016-05-25 16:58:41
Original
975 people have browsed it

跳至

class InsertLogo//水印类
  {
  
    private $source;//主图片路径
	private $logo;//水印图片路径
	private $source_type;//主图片类型
	private $logo_type;//水印图片类型
	private $source_width;//主图片宽度
	private $source_height;//主图片高度
	private $logo_width;//水印图片宽度
	private $logo_height;//水印图片高度
	private $tinyImage_width;//略缩图宽
	private $tinyImage_height;//略缩图高
	private $newPicPath;//生成水印图片地址
	private $tinyImagePath;//生成略缩图存放路径
	function __construct($source,$logo)//传入图片路径
	{
	  $this->source=$source;
	  $info=GetImageSize($source);
	  $this->source_width=$info[0];
	  $this->source_height=$info[1];
	  $this->source_type_id=$info[2];
	  $this->source_type=$info['mime'];//其值 1 为 GIF 格式、 2 为 JPEG/JPG 格式、3 为 PNG 格式
	  $this->logo=$logo;
	  $info=GetImageSize($logo);
	  $this->logo_width=$info[0];
	  $this->logo_height=$info[1];
	  $this->logo_type_id=$info[2];
	  $thi->logo_type=$logo['mime'];
	}
	//1 = GIF,2 = JPG,3 = PNG,4 = SWF,5 = PSD,6 = BMP info[2]图片类型
	function JudgeTypeAndDeal($type,$source)//判断并处理,返回PHP可识别编码
    {
	  if($type==1)//能处理的三种图片。可在上传类限制图片。
	  {
	    return ImageCreateFromGIF($source);	
	  }
	  else if($type==2)
	  {
	    return ImageCreateFromJPEG($source);
	  }
	  else
	  {
	    return ImageCreateFromPNG($source);
	  }
	}
	function CreateLogoImage()//生成水印图
	{
	  $this->source=$this->JudgeTypeAndDeal($this->source_type_id,$this->source);//取得主图片编码
	  $this->logo=$this->JudgeTypeAndDeal($this->logo_type_id,$this->logo);//取得水印编码
	  $x=$this->source_width-$this->logo_width;
	  $y=$this->source_height-$this->logo_height;
	  $w=$this->logo_width;
	  $h=$this->logo_height;
	  /* echo "x=".$x;
	  echo ",y=".$y;
	  echo ",w=".$w;
	  echo ",h=".$h; */
	  ImageCopy($this->source,$this->logo,$x,$y,0,0,$w,$h)or die("fail to combine");
	  $this->newPicPath='App/Upload/image/normal/1108000627/new.jpg';
	  ImageJpeg($this->source,'new.jpg');
      rename('new.jpg',$this->newPicPath);//放到相应文件位置
    } 	 
	function CreateTinyImage()//生成略缩图,生成略缩图原则要控制图片比例,防止比例不协调,可改参数,尝试显示一部分原比例部分图片
	{
	  $TinyImage=imagecreatetruecolor($this->source_width*0.3,$this->source_height*0.3);
	  $this->source=$this->JudgeTypeAndDeal($this->source_type_id,$this->source);//取得主图片编码
	  ImageCopyResized($TinyImage,$this->source,0,0,0,0,$this->source_width*0.3,$this->source_height*0.3,$this->source_width,$this->source_height) or die("fail");
	  $this->tinyImagePath='App/Upload/image/tiny/1108000627/new.jpg';
	  ImageJpeg($TinyImage,'new.jpg');
      rename('new.jpg',$this->tinyImagePath);//放到相应文件位置
	}
  }
  /*添加水印类生成略缩图类END*/
Copy after login

                   

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!