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by berry__

on 2007-08-07 11:33

as PHP

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http://pastebin.parentnode.org/

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http://pastebin.parentnode.org/20365

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GenerateThumb2 ( 100, 100 );

<?php
class ImageObject {
 
	private $imageFilePath;
	private $source;
	private $newImage;
	private $imageWidth;
	private $imageHeight;
	private $thumb;
	
	public function ImageObject($myImage) {
		
			$this->imageFilePath 	= $myImage;
			$this->source	 		= $this->getSourceImage();
			list($width, $height) 	= getimagesize($this->imageFilePath);
			$this->imageWidth 		= $width;
			$this->imageHeight 		= $height;
		}
	
	private function getSourceImage() {
	
		$filetype = strrchr($this->imageFilePath, ".");
		if (strcasecmp($filetype, ".jpg") == 0 || strcasecmp($filetype, ".jpeg") == 0) {
		
			return imagecreatefromjpeg($this->imageFilePath);
		} else if (strcasecmp($filetype, ".png") == 0) {
		
			return imagecreatefrompng($this->imageFilePath);
		} else if (strcasecmp($filetype, ".gif") == 0){
		
			return imagecreatefromgif($this->imageFilePath);
		} else {
		
			return false;
		}
	}
	
	public function generateThumb($width, $height) {
		
		// $this -> imageWidth = 480
		// $this -> imageHeight = 440
		// $width = 100
		// $height = 100
		
		//check if the image is too big
		if($this->imageWidth > $width || $this->imageHeight > $height) {
			
			// true.
			
			//set cropWidth & height
			$cropWidth  = $this->imageWidth  / $width; // 480 / 100 = 4.8
			$cropHeight = $this->imageHeight / $height; // 440 / 100 = 4.4
			
			//set starting x & y positions for cropping
			$x = 0;// $cropWidth / 2;
			$y = 0; //$cropHeight / 2;
			
			//create blank image to put the new thumb on
			$this->newImage = imagecreatetruecolor($width, $height);
			
			//copy the thumb to to
			imagecopyresampled($this->newImage, $this->source, 0, 0, $x, $y, $width, $height, $this->imageWidth, $this->imageHeight);
		} else {
			return;
		}
	}

public function generateThumb2 ( $width, $height )
	{
	  // Is the image too big?
	  if ( $this -> imageWidth > $width OR $this -> imageHeight > $height )
	  {
            // true.
            $dst_image = imagecreatetruecolor ( $width, $height );
            $this -> newImage =& $dst_image;

$src_image = $this -> source;
            $dst_x = 0;
            $dst_y = 0;

$src_x = 0;
            $src_y = 0;

$dst_w = $width;
            $dst_h = $height;

$src_w = $this -> imageWidth;
            $src_h = $this -> imageHeight;

/**
            * So, i want the horizontal center, as well as the vertical center,
            * plus I want to crop off half op the image.
            */
            $src_w = $src_w / 2; // 448 / 2 = 224
            $src_h = $src_h / 2; // 440 / 2 = 220

/**
            * Because the height is now 224x220, the x and y axis are on 224 and 220.
            * That means the image will be centered as well.
            **/
            $src_x = 224;
            $src_y = 220;

imagecopyresampled ( $dst_image, $src_image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );

}
	}
	
        public function output ()
        {
          header('Content-type: image/jpeg');
          imagejpeg ( $this -> newImage, null, 100 );

}

public function destroy() {
		
		imagedestroy($this->source);
	}
}

$image = new ImageObject ( './284521.jpg' );
$image -> generateThumb2 ( 100, 100 );
$image -> output ();
?>