<?php
class Image
{
private $info;
private $image;
public $type;
public function __construct($src)
{
$this->info=getimagesize($src);
$this->type=image_type_to_extension($this->info['2'],false);
$fun="imagecreatefrom{$this->type}";
$this->image=$fun($src);
}
/**
* 文字水印
* @param [type] $font 字体
* @param [type] $content 内容
* @param [type] $size 文字大小
* @param [type] $col 文字颜色（四元数组）
* @param array $location 位置
* @param integer $angle 倾斜角度
* @return [type]
*/
public function fontMark($font,$content,$size,$col,$location,$angle=0){
$col=imagecolorallocatealpha($this->image, $col['0'], $col['1'], $col['2'],$col['3']);
imagettftext($this->image, $size, $angle, $location['0'], $location['1'], $col,$font,$content);
}
/**
* 图片水印
* @param [type] $imageMark 水印图片地址
* @param [type] $dst 水印图片在原图片中的位置
* @param [type] $pct 透明度
* @return [type]
*/
public function imageMark($imageMark,$dst,$pct){
$info2=getimagesize($imageMark);
$type=image_type_to_extension($info2['2'],false);
$func2="imagecreatefrom".$type;
$water=$func2($imageMark);
imagecopymerge($this->image, $water, $dst[0], $dst[1], 0, 0, $info2['0'], $info2['1'], $pct);
imagedestroy($water);
}
/**
* 压缩图片
* @param [type] $thumbSize 压缩图片大小
* @return [type] [description]
*/
public function thumb($thumbSize){
$imageThumb=imagecreatetruecolor($thumbSize[0], $thumbSize[1]);
imagecopyresampled($imageThumb, $this->image, 0, 0, 0, 0, $thumbSize[0], $thumbSize[1], $this->info['0'], $this->info['1']);
imagedestroy($this->image);
$this->image=$imageThumb;
}
/**
* 裁剪图片
* @param [type] $cutSize 裁剪大小
* @param [type] $location 裁剪位置
* @return [type] [description]
*/
public function cut($cutSize,$location){
$imageCut=imagecreatetruecolor($cutSize[0],$cutSize[1]);
imagecopyresampled($imageCut, $this->image, 0, 0, $location[0], $location[1],$cutSize[0],$cutSize[1],$cutSize[0],$cutSize[1]);
imagedestroy($this->image);
$this->image=$imageCut;
}
/**
* 展现图片
* @return [type] [description]
*/
public function show(){
header("content-type:".$this->info['mime']);
$funn="image".$this->type;
$funn($this->image);
}
/**
* 保存图片
* @param [type] $newname 新图片名
* @return [type] [description]
*/
public function save($newname){
header("content-type:".$this->info['mime']);
$funn="image".$this->type;
$funn($this->image,$newname.'.'.$this->type);
}
public function __destruct(){
imagedestroy($this->image);
}
}
?>免责声明：转载自PHP中文网，非原创
