php图片处理类：缩略，裁剪，圆角，倾斜(1/3)_PHP教程

本文章免费提供一款php图片处理类：缩略，裁剪，圆角，倾斜代码，他可以切出不同风格的图片哦，哈哈，比其它的在线切图要好很多了哦。

php教程图片处理类：缩略，裁剪，圆角，倾斜

class resizeimage
{
//图片类型
var $type;
//实际宽度
var $width;
//实际高度
var $height;
//改变后的宽度
var $resize_width;
//改变后的高度
var $resize_height;
//是否裁图
var $cut;
//源图象
var $srcimg;
//目标图象地址
var $dstimg;
//圆角源
var $corner;
var $im;

function resizeimage($img, $corner, $wid, $hei,$c, $corner_radius, $angle)
{
$this->srcimg = $img;
$this->corner = $corner;
$this->resize_width = $wid;
$this->resize_height = $hei;
$this->cut = $c;
$this->corner_radius = $corner_radius;
$this->angle = $angle;
//图片的类型
$this->type = substr(strrchr($this->srcimg,"."),1);
//初始化图象
$this->initi_img();
//目标图象地址
$this -> dst_img();
//--
$this->width = imagesx($this->im);
$this->height = imagesy($this->im);
//生成图象
$this->newimg();
imagedestroy ($this->im);
}
function newimg()
{
//改变后的图象的比例
$resize_ratio = ($this->resize_width)/($this->resize_height);
//实际图象的比例
$ratio = ($this->width)/($this->height);
if(($this->cut)=="1")
//裁图
{
if($ratio>=$resize_ratio)
//高度优先
{
$newimg = imagecreatetruecolor($this->resize_width,$this->resize_height);
imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, $this->resize_width,$this->resize_height, (($this->height)*$resize_ratio), $this->height);
$tmp = $this->rounded_corner($newimg,$this->resize_width);
imagepng ($tmp,$this->dstimg);
}
if($ratio //宽度优先
{
$newimg = imagecreatetruecolor($this->resize_width,$this->resize_height);
imagecopyresampled($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, $this->resize_height, $this->width, (($this->width)/$resize_ratio));
$tmp = $this->rounded_corner($newimg);
imagepng ($tmp,$this->dstimg);
}
}
else

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