PHP generates thumbnail classes that support custom height and width. Also supported by high and wide screenshots

PHP tutorial generates thumbnail classes that support custom high and wide. Also supported by high and wide screenshots

<?php
Class Resizeimage
{
Picture type
var $type;
Actual width
var $width;
Actual height
var $height;
The width after the change
var $resize _width;
Change the height of the post
var $resize _height;
Whether or not to cut the map
var $cut;
Source image
var $srcimg;
Target Image Address
var $dstimg;
Temporarily created image
var $im;
function Resizeimage ($img, $wid, $hei, $c, $dstpath)
{
$this->srcimg = $img;
$this->resize_width = $wid;
$this->resize_height = $hei;
$this->cut = $c;
Type of picture

$this->type = Strtolower (substr (STRRCHR ($this->srcimg, "."), 1);
Initializing images
$this->initi_img ();
Target Image Address
$this-> dst_img ($dstpath);
//--
$this->width = imagesx ($this->im);
$this->height = Imagesy ($this->im);
Build image
$this->newimg ();
Imagedestroy ($this->im);
}
function newimg ()
{
The proportions of the altered image
$resize _ratio = ($this->resize_width)/($this->resize_height);
The proportions of the actual image
$ratio = ($this->width)/($this->height);
if (($this->cut) = = "1")
Drawing
{
if ($ratio >= $resize _ratio)
High priority
{
$newimg = Imagecreatetruecolor ($this->resize_width, $this->resize_height);
Imagecopyresampled ($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, $this->resize_height, ($this-> Height) * $resize _ratio), $this->height);
Imagejpeg ($newimg, $this->dstimg);
}
if ($ratio < $resize _ratio)
Width first
{
$newimg = Imagecreatetruecolor ($this->resize_width, $this->resize_height);
Imagecopyresampled ($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, $this->resize_height, $this->width , (($this->width)/$resize _ratio));
Imagejpeg ($newimg, $this->dstimg);
}
}
Else
Do not cut the figure
{
if ($ratio >= $resize _ratio)
{
$newimg = Imagecreatetruecolor ($this->resize_width, ($this->resize_width)/$ratio);
Imagecopyresampled ($newimg, $this->im, 0, 0, 0, 0, $this->resize_width, ($this->resize_width)/$ratio, $this- >width, $this->height);
Imagejpeg ($newimg, $this->dstimg);
}
if ($ratio < $resize _ratio)
{
$newimg = Imagecreatetruecolor ($this->resize_height) * $ratio, $this->resize_height);
Imagecopyresampled ($newimg, $this->im, 0, 0, 0, 0, ($this->resize_height) * $ratio, $this->resize_height, $ This->width, $this->height);
Imagejpeg ($newimg, $this->dstimg);
}
}
}
Initializing images
function initi_img ()
{
if ($this->type== "jpg")
{
$this->im = imagecreatefromjpeg ($this->srcimg);
}
if ($this->type== "gif")
{
$this->im = imagecreatefromgif ($this->srcimg);
}
if ($this->type== "PNG")
{
$this->im = imagecreatefrompng ($this->srcimg);
}
}
Image Destination Address
function Dst_img ($dstpath)
{
$full _length = strlen ($this->srcimg);
$type _length = strlen ($this->type);
$name _length = $full _length-$type _length;

$name = substr ($this->srcimg,0, $name _length-1);
$this->dstimg = $dstpath;

Echo $this->dstimg;
}
}

$resizeimage = new Resizeimage (11.jpg), "1", "17.jpg");