Gönderen Konu: Basit Resim Boyutlandırma kod  (Okunma sayısı 948 defa)

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Basit Resim Boyutlandırma kod
« : 27 Mar 2013, 19:45:52 »
Kod: [Seç]
<?php
/*
* File: SimpleImage.php
* Author: Simon Jarvis
* Modified by: Miguel Fermín
* Based in: http://www.white-hat-web-design.co.uk/articles/php-image-resizing.php

* This program is free software; you can redistribute it and/or 
* modify it under the terms of the GNU General Public License 
* as published by the Free Software Foundation; either version 2 
* of the License, or (at your option) any later version.

* This program is distributed in the hope that it will be useful, 
* but WITHOUT ANY WARRANTY; without even the implied warranty of 
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
* GNU General Public License for more details: 
* http://www.gnu.org/licenses/gpl.html
*/

class SimpleImage {

  var 
$image;
   var 
$image_type;

   function 
__construct($filename null){
      if(!empty(
$filename)){
         
$this->load($filename);
      }
   }

   function 
load($filename) {
      
$image_info getimagesize($filename);
      
$this->image_type $image_info[2];
      if( 
$this->image_type == IMAGETYPE_JPEG ) {
         
$this->image imagecreatefromjpeg($filename);
      } elseif( 
$this->image_type == IMAGETYPE_GIF ) {
         
$this->image imagecreatefromgif($filename);
      } elseif( 
$this->image_type == IMAGETYPE_PNG ) {
         
$this->image imagecreatefrompng($filename);
      } else {
         throw new 
Exception("The file you're trying to open is not supported");
      }

   }

   function 
save($filename$image_type=IMAGETYPE_JPEG$compression=75$permissions=null) {
      if( 
$image_type == IMAGETYPE_JPEG ) {
         
imagejpeg($this->image,$filename,$compression);
      } elseif( 
$image_type == IMAGETYPE_GIF ) {
         
imagegif($this->image,$filename);         
      } elseif( 
$image_type == IMAGETYPE_PNG ) {
         
imagepng($this->image,$filename);
      }   
      if( 
$permissions != null) {
         
chmod($filename,$permissions);
      }
   }

   function 
output($image_type=IMAGETYPE_JPEG$quality 80) {
      if( 
$image_type == IMAGETYPE_JPEG ) {
         
header("Content-type: image/jpeg");
         
imagejpeg($this->imagenull$quality);
      } elseif( 
$image_type == IMAGETYPE_GIF ) {
         
header("Content-type: image/gif");
         
imagegif($this->image);         
      } elseif( 
$image_type == IMAGETYPE_PNG ) {
         
header("Content-type: image/png");
         
imagepng($this->image);
      }
   }

   function 
getWidth() {
      return 
imagesx($this->image);
   }

   function 
getHeight() {
      return 
imagesy($this->image);
   }

   function 
resizeToHeight($height) {
      
$ratio $height $this->getHeight();
      
$width $this->getWidth() * $ratio;
      
$this->resize($width,$height);
   }

   function 
resizeToWidth($width) {
      
$ratio $width $this->getWidth();
      
$height $this->getHeight() * $ratio;
      
$this->resize($width,$height);
   }

   function 
square($size){
      
$new_image imagecreatetruecolor($size$size);

      if(
$this->getWidth() > $this->getHeight()){
         
$this->resizeToHeight($size);

         
imagecolortransparent($new_imageimagecolorallocate($new_image000));
         
imagealphablending($new_imagefalse);
         
imagesavealpha($new_imagetrue);
         
imagecopy($new_image$this->image00, ($this->getWidth() - $size) / 20$size$size);
      } else {
         
$this->resizeToWidth($size);

         
imagecolortransparent($new_imageimagecolorallocate($new_image000));
         
imagealphablending($new_imagefalse);
         
imagesavealpha($new_imagetrue);
         
imagecopy($new_image$this->image000, ($this->getHeight() - $size) / 2$size$size);
      }

      
$this->image $new_image;
   }

   function 
scale($scale) {
      
$width $this->getWidth() * $scale/100;
      
$height $this->getHeight() * $scale/100
      
$this->resize($width,$height);
   }

   function 
resize($width,$height) {
      
$new_image imagecreatetruecolor($width$height);

      
imagecolortransparent($new_imageimagecolorallocate($new_image000));
      
imagealphablending($new_imagefalse);
      
imagesavealpha($new_imagetrue);

      
imagecopyresampled($new_image$this->image0000$width$height$this->getWidth(), $this->getHeight());
      
$this->image $new_image;   
   }
        function 
cut($x$y$width$height){
                
$new_image imagecreatetruecolor($width$height);   

                
imagecolortransparent($new_imageimagecolorallocate($new_image000));
      
imagealphablending($new_imagefalse);
      
imagesavealpha($new_imagetrue);

                
imagecopy($new_image$this->image00$x$y$width$height);

      
$this->image $new_image;
   }
   function 
maxarea($width$height null){
      
$height $height $height $width;

      if(
$this->getWidth() > $width){
         
$this->resizeToWidth($width);
      }
      if(
$this->getHeight() > $height){
         
$this->resizeToheight($height);
      }
   }

   function 
cutFromCenter($width$height){

      if(
$width $this->getWidth() && $width $height){
         
$this->resizeToWidth($width);
      }
      if(
$height $this->getHeight() && $width $height){
         
$this->resizeToHeight($height);
      }

      
$x = ($this->getWidth() / 2) - ($width 2);
      
$y = ($this->getHeight() / 2) - ($height 2);

      return 
$this->cut($x$y$width$height);
   }

   function 
maxareafill($width$height$red 0$green 0$blue 0){
       
$this->maxarea($width$height);
       
$new_image imagecreatetruecolor($width$height); 
       
$color_fill imagecolorallocate($new_image$red$green$blue);
       
imagefill($new_image00$color_fill);        
       
imagecopyresampled($new_image$this->imagefloor(($width $this->getWidth())/2), floor(($height-$this->getHeight())/2), 00$this->getWidth(), $this->getHeight(), $this->getWidth(), $this->getHeight()); 
       
$this->image $new_image;
   }

}
Buradan indirebilirsiniz]

Kod: [Seç]
// Orjinal resmi seçiyorsunuz.
$image = new SimpleImage('lemon.jpg');

// Resimin genişliğini girerek yüksekliğini orantılı boyutlandırabilirsiniz.
$image->resizeToWidth(600);
$image->save('lemon_resized.jpg');

// Verdiğiniz değer ile resimi kare haline getiriyor örneğin 200x200 yapıyor.
$image->square(200);
$image->save('lemon_squared.jpg');

// Yüzde ile küçültmenizi sağlıyor.
$image->scale(75);
$image->save('lemon_scaled.jpg');

// Direk yükseklik ve genişlik vererek boyutlandırabilirsiniz.
$image->resize(80,60);
$image->save('lemon_resized2.jpg');

// Kenarlık yapıp kenara renk verebiliyorsunuz.
$image->maxareafill(600,400, 32, 39, 240);
$image->save('lemon_filled.jpg');

// Bunu kullanmıyorum.Resimi tarayıcıda ekrana basıyor sizin echo yazmanıza gerek kalmıyor.
$image->output();