查看文件: img2th.php

大小: 3.43 KB

类型: application/octet-stream

<?php require_once('../Connections/BE2.php'); ?>

<?php

function ImageResize($from_filename, $save_filename, $in_width=108, $in_height=108, $quality=100)
{
    $allow_format = array('jpeg', 'png', 'gif');
    $sub_name = $t = '';

// Get new dimensions
    $img_info = getimagesize($from_filename);
    $width    = $img_info['0'];
    $height   = $img_info['1'];
    $imgtype  = $img_info['2'];
    $imgtag   = $img_info['3'];
    $bits     = $img_info['bits'];
    $channels = $img_info['channels'];
    $mime     = $img_info['mime'];

list($t, $sub_name) = split('/', $mime);
    if ($sub_name == 'jpg') {
        $sub_name = 'jpeg';
    }

if (!in_array($sub_name, $allow_format)) {
        return false;
    }

// 取得縮在此範圍內的比例
    $percent = getResizePercent($width, $height, $in_width, $in_height);
    $new_width  = $width * $percent;
    $new_height = $height * $percent;

// Resample
    $image_new = imagecreatetruecolor($new_width, $new_height);

// $function_name: set function name
    //   => imagecreatefromjpeg, imagecreatefrompng, imagecreatefromgif
    /*
    // $sub_name = jpeg, png, gif
    $function_name = 'imagecreatefrom'.$sub_name;
    $image = $function_name($filename); //$image = imagecreatefromjpeg($filename);
    */
	if($sub_name == 'jpeg'){
      $image = imagecreatefromjpeg($from_filename);
      imagecopyresampled($image_new, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
      return imagejpeg($image_new, $save_filename, $quality);
	} else if($sub_name == 'png'){
	  $image = imagecreatefrompng($from_filename);
      imagecopyresampled($image_new, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
      return imagepng($image_new, $save_filename, 9);
	
		
   }
	
	
}

/**
 * 抓取要縮圖的比例
 * $source_w : 來源圖片寬度
 * $source_h : 來源圖片高度
 * $inside_w : 縮圖預定寬度
 * $inside_h : 縮圖預定高度
 *
 * Test:
 *   $v = (getResizePercent(1024, 768, 400, 300));
 *   echo 1024 * $v . "\n";
 *   echo  768 * $v . "\n";
 */
function getResizePercent($source_w, $source_h, $inside_w, $inside_h)
{
    if ($source_w < $inside_w && $source_h < $inside_h) {
        return 1; // Percent = 1, 如果都比預計縮圖的小就不用縮
    }

$w_percent = $inside_w / $source_w;
    $h_percent = $inside_h / $source_h;

return ($w_percent > $h_percent) ? $h_percent : $w_percent;
}
?>

<?
ini_set('date.timezone','Asia/Taipei');  
ini_set('max_execution_time', 300); //300 seconds = 5 minutes

$image_path="/www2/skybni/admin/upload_image/"; 
$save_path="/www2/skybni/admin/thumbnail/"; 
mysql_select_db($database_BE2, $BE2);
$query_Rt2 = "SELECT * FROM product_data WHERE 1"; 
$Rt2 = mysql_query($query_Rt2, $BE2) or die(mysql_error());
$row_Rt2 = mysql_fetch_assoc($Rt2);
$totalRows_Rt2 = mysql_num_rows($Rt2);
echo $totalRows_Rt2 .'<br>';

do { 
   $img=$image_path.$row_Rt2['meta_img'];
   $save=$save_path.$row_Rt2['meta_img'];
   $bol='N';
   if(!file_exists($save)){
     if(file_exists($img)){ 
     $bol='Y';
     
     ImageResize($img,$save);
   	 $c=0;
	  while(1){
	     if(file_exists($save)){	 
	 	  break;
	     } else{ $c++; }
	    if($c>10000){ break;}	 
			 
	   }
	
     }
   }
    echo "\t".$bol."\t".$row_Rt2['meta_img'].'<br>';

} while ($row_Rt2 = mysql_fetch_assoc($Rt2)); 
 
mysql_free_result($Rt2);
?>