<?php
$thumb_width=50;
$thumb_height=50;
function image_createThumb($src,$dest,$maxWidth,$maxHeight,$quality=100) { 
    if (file_exists($src)  && isset($dest)) { 
        // path info 
        $destInfo  = pathInfo($dest); 
        
        // image src size 
        $srcSize   = getImageSize($src); 
        
        // image dest size $destSize[0] = width, $destSize[1] = height 
        $srcRatio  = $srcSize[0]/$srcSize[1]; // width/height ratio 
        $destRatio = $maxWidth/$maxHeight; 
        if ($destRatio > $srcRatio) { 
            $destSize[1] = $maxHeight; 
            $destSize[0] = $maxHeight*$srcRatio; 
        } 
        else { 
            $destSize[0] = $maxWidth; 
            $destSize[1] = $maxWidth/$srcRatio; 
        } 
        
        // path rectification 
        if ($destInfo['extension'] == "gif") { 
            $dest = substr_replace($dest, 'jpg', -3); 
        } 
        
		
        // true color image, with anti-aliasing 
        $destImage = imageCreateTrueColor($destSize[0],$destSize[1]); 
        imageAntiAlias($destImage,true); 
        
        // src image 
        switch ($srcSize[2]) { 
            case 1: //GIF 
            $srcImage = imageCreateFromGif($src); 
            break; 
            
            case 2: //JPEG 
            $srcImage = imageCreateFromJpeg($src); 
            break; 
            
            case 3: //PNG 
            $srcImage = imageCreateFromPng($src); 
            break; 
            
            default: 
            return false; 
            break; 
        } 
        
        // resampling 
        imageCopyResampled($destImage, $srcImage, 0, 0, 0, 0,$destSize[0],$destSize[1],$srcSize[0],$srcSize[1]); 
        
        // generating image 
        switch ($srcSize[2]) { 
            case 1: 
            case 2: 
            //imageJpeg($destImage,"tempimage.txt",$quality); 
			imageJpeg($destImage,$dest,$quality); 
            break; 
            
            case 3: 
            //imagePng($destImage,"tempimage.txt"); 
			imagePng($destImage,$dest); 
			
            break; 
        } 
		imagedestroy($destImage);
		/*$real_image = fopen($dest, "wb");
		$temp_image = fopen("tempimage.txt", "rb");
		$contents = fread($temp_image, filesize ("tempimage.txt"));
		fclose($temp_image);
		fwrite($real_image, $contents);
		fclose($real_image);
		*/
        return true; 
    } 
    else { 
        return false; 
    } 
} 

function image_rotate($src,$dest,$degrees) { 
	if (file_exists($src)  && isset($dest)) { 
		$src_img = ImageCreateFromJPEG($src);
		$src_img = ImageRotate($src_img,$degrees,0);
		ImageJPEG($src_img, "tempimage.txt", 100);
		$real_image = fopen($dest, "wb");
		$temp_image = fopen("tempimage.txt", "rb");
		$contents = fread($temp_image, filesize ("tempimage.txt"));
		fclose($temp_image);
		fwrite($real_image, $contents);
		fclose($real_image);
		return true;
	} else {
		return false;
	}
}

function image_createCroppedThumb($src,$dest,$ulx,$uly,$lrx,$lry,$quality=100) { 
	global $thumb_width;
	global $thumb_height;
    if (file_exists($src)  && isset($dest)) { 
        // true color image, with anti-aliasing 
        $destImage = imageCreateTrueColor($thumb_width , $thumb_height); 
        imageAntiAlias($destImage,true); 
        
        $srcImage = imageCreateFromJpeg($src); 
        
        // resampling 
        if (imageCopyResampled($destImage, $srcImage, 0, 0, $ulx, $uly, $thumb_width, $thumb_height, $lrx-$ulx, $lry-$uly) < 0) {
			echo "Problem Resampling image: '$destImage' '$srcImage' '$ulx', '$uly', '$lrx', '$lry'";
			return false;
		}
		
		ImageJPEG($destImage, "tempimage.jpg", 100);
		
		imagedestroy($destImage);
		$real_image = fopen($dest, "wb");
		$temp_image = fopen("tempimage.jpg", "rb");
		$contents = fread($temp_image, filesize ("tempimage.jpg"));
		fclose($temp_image);
		fwrite($real_image, $contents);
		fclose($real_image);
  	    return true; 
    } 
    else { 
        return false; 
    } 
} 

function image_flip($src, $dest, $direction) {
    if (file_exists($src)  && isset($dest)) { 
        
        // image src size 
        $srcSize   = getImageSize($src); 
		
        // true color image, with anti-aliasing 
        $destImage = imageCreateTrueColor($srcSize[0],$srcSize[1]); 
        imageAntiAlias($destImage,true); 
        $srcImage = imageCreateFromJpeg($src); 
		
		if ($direction == "horizontal") {
			for ($i=0;$i<$srcSize[0];$i++) {
       			 if (imageCopyResampled($destImage, $srcImage, $srcSize[0]-$i-1, 0, $i, 0, 1, $srcSize[1], 1, $srcSize[1]) < 0) {
					echo "Problem Resampling image";
					return false;
				}
			}
		} else {
			for ($i=0;$i<$srcSize[1];$i++) {
       			 if (imageCopyResampled($destImage, $srcImage, 0, $srcSize[1]-$i-1, 0, $i, $srcSize[0], 1, $srcSize[0], 1) < 0) {
					echo "Problem Resampling image";
					return false;
				}
			}
		}
		ImageJPEG($destImage, "tempimage.jpg", 100);
		
		imagedestroy($destImage);
		$real_image = fopen($dest, "wb");
		$temp_image = fopen("tempimage.jpg", "rb");
		$contents = fread($temp_image, filesize ("tempimage.jpg"));
		fclose($temp_image);
		fwrite($real_image, $contents);
		fclose($real_image);
  	    return true; 
    } 
    else { 
        return false; 
    } 

}


?>