امیـرحسین
یک شنبه 04 بهمن 1388, 20:16 عصر
یه پک خیلی معروف توی PHP هست به نام phpThumb (http://phpthumb.sourceforge.net/) که با عکس آب هویج هم میگیره. احتمالا مشکلتون رو حل کنید.
غیر از اون، داشتم سرچ می کردم دیدم یکی این کلاس رو ساخته گذاشته تو یه فروم. چک کنید شاید خوب باشه:
<?php
/**
* Cropping Images using PHP
* This script will allow you to make a smaller image of a bigger image, but at the same time crop it.
* This will prevent the image looking stretched and deformed.
*
* Author: Rendair ~ www.jooney.co.uk
* Source: http://www.talkphp.com/advanced-php-programming/1709-cropping-images-using-php.html
*/
class cropImage {
/*
* we need to set up some variables to be used throughout the program.
*/
var $imgSrc,$myImage,$cropHeight,$cropWidth,$x,$y,$thu mb;
/*
* The variables above will be explained once we use them.
* Now we need to create the first function.
* This function will get the image we are going to crop, work out its dimension and then use them dimensions to work out how we are going to crop it.
*/
function setImage($image) {
//Your Image
$this->imgSrc = $image;
//getting the image dimensions
list($width, $height) = getimagesize($this->imgSrc);
//create image from the jpeg
this->myImage = imagecreatefromjpeg($this->imgSrc) or die("Error: Cannot find image!");
if($width > $height) $biggestSide = $width; //find biggest length
else $biggestSide = $height;
//The crop size will be half that of the largest side
$cropPercent = .5; // This will zoom in to 50% zoom (crop)
$this->cropWidth = $biggestSide*$cropPercent;
$this->cropHeight = $biggestSide*$cropPercent;
//getting the top left coordinate
$this->x = ($width-$this->cropWidth)/2;
$this->y = ($height-$this->cropHeight)/2;
}
/*
* we actually need to start creating the actual cropped image.
*/
function createThumb(){
$thumbSize = 250; // will create a 250 x 250 thumb
$this->thumb = imagecreatetruecolor($thumbSize, $thumbSize);
imagecopyresampled($this->thumb, $this->myImage, 0, 0,$this->x, $this->y, $thumbSize, $thumbSize, $this->cropWidth, $this->cropHeight);
}
/*
* all we need to do is render the image out.
*/
function renderImage() {
header('Content-type: image/jpeg');
imagejpeg($this->thumb);
imagedestroy($this->thumb);
}
}
/*
* You can use this script to display a thumb of images on a new page, by using the following page.
*/
$image = new cropImage;
$image->setImage($src);
$image->createThumb();
$image->renderImage();
/*
* You can use this script to display a thumb of images on a new page, by using the following page.
*
* <img src="thumbcreate.php?src=images/largimg.jpg">
*/
?>