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  Classes of Salvatore Caltabiano  >  Image to ASCII text  >  include/functions.php  >  Download  
File: include/functions.php
Role: Auxiliary script
Content type: text/plain
Description: Various functions about image GD lib manipulation
Class: Image to ASCII text
Render an image using ASCII characters
Author: By
Last change:
Date: 7 years ago
Size: 4,228 bytes
 

Contents

Class file image Download
<?php

// This code was realized totally by Caltabiano Salvatore 22/02/2007
// Before use this code off of local use, you have to ask to me about that.

function addZeros($num,$cf){
    
$cfn strlen($num);
    
$ris '';
    while(
$cfn<$cf){
        
$ris .= '0';
        
$cfn++;
    }
    
$ris .= $num;
    return 
$ris;
}

function 
resizeIMG($flnamein,$flnameout,$flwidth 0$flheight 0){
global 
$curMember;

// 1 = GIF, 2 = JPG, 3 = PNG

$errorimg "error.gif";
$filenameimg "error.gif";
$filenameimgout "errorimg.gif";

if ( isset(
$flnamein) )
    
$filenameimg $flnamein;
if ( isset(
$flnameout) )
    
$filenameimgout $flnameout;

if ( isset(
$flwidth) && $flwidth )
{
    
$widthimg intval($flwidth);
    if ( 
$widthimg 10 )
        
$widthimg 10;
}
if ( isset(
$flheight) && $flheight )
{
    
$heightimg intval($flheight);
    if ( 
$heightimg 10 )
        
$heightimg 10;
}

if ( !isset(
$filenameimg) || !@fopen($filenameimg,"r+b") )
    
$filenameimg $errorimg;

$attribimg = @getimagesize($filenameimg);

//$attribimg[0] : $attribimg[1] = $widthimg : $heightimg
if ( isset($widthimg) && !isset($heightimg) )
    
$heightimg intval( ($attribimg[1]*$widthimg)/$attribimg[0] );
else
if ( !isset(
$widthimg) && isset($heightimg) )
    
$widthimg intval( ($attribimg[0]*$heightimg)/$attribimg[1] );
else
if ( !isset(
$widthimg) && !isset($heightimg) )
{
    
$widthimg $attribimg[0];
    
$heightimg $attribimg[1];
}

$resizedimg imagecreatetruecolor($widthimg,$heightimg+20);

switch (
$attribimg[2])
{
    case 
1:
        
$origimg imagecreatefromgif($filenameimg);
        break;

    case 
2:
        
$origimg imagecreatefromjpeg($filenameimg);
        break;

    case 
3:
        
$origimg imagecreatefrompng($filenameimg);
        break;
}

imagecopyresized($resizedimg$origimg0000$widthimg$heightimg$attribimg[0], $attribimg[1]);

$textImage "IP: ".getenv("REMOTE_ADDR");
$textImage .=  " - DATE: ".date("d M, Y - H:i:s");
$text_color imagecolorallocate($resizedimg255255255);
imagestring($resizedimg420$heightimg+2$textImage$text_color);

switch (
$attribimg[2])
{
    case 
1:
        
//header("Content-type: image/gif");
        
imagegif($resizedimg,$filenameimgout);
    break;

    case 
2:
        
//header("Content-type: image/jpeg");
        
imagejpeg($resizedimg,$filenameimgout,85);
    break;

    case 
3:
        
//header("Content-type: image/png");
        
imagepng($resizedimg,$filenameimgout);
    break;
}

// destroy the images
imagedestroy($resizedimg);
imagedestroy($origimg);
}

function 
addImageFile($file$IMG_PATH "files/images/"$widthimg 1024$heightimg 768)
{
        if ( 
strlen($file['tmp_name']) == )
            return 
"";

        if ( 
$file['type'] != "image/gif" && $file['type'] != "image/pjpeg" && $file['type'] != "image/jpeg" && $file['type'] != "image/x-png")
            return 
"";

        
$filename $file['name'];

// THIS CICLE CHECK IF EXIST A FILE WITH SAME NAME OF $filename, AND IF EXIST IT CHANGE IT IN $filename + "_XXXX.EXT", WHERE XXXX IS A NUMBER THAT INCREMENT IS ALREDY EXIST ANOTHER FILE WITH SAME NAME AND .EXT IS THE EXTENSION OF FILE
        
$c 0;
        
$filenameapp $filename;
        do{
            
$fpin = @fopen($IMG_PATH.$filenameapp,"r+b");
            if ( 
$fpin )
            {
                
$fileapp explode(".",$filename);
                
$filenameapp "";
                
$j 0;
                while ( isset(
$fileapp[$j+1]) )
                {
                    
$filenameapp .= $fileapp[$j++];
                    if (isset(
$fileapp[$j+1])) $filenameapp .= ".";
                }
                
$filenameapp .= "_".addZeros($c,4).".".$fileapp[$j];
                
$c++;
                
fclose($fpin);
            }
        }while(
$fpin);
// END CICLE ...

// RESIZE THE IMAGE USING FUNCTION resizeIMG() AND SAVE THE FILE IN A PATH
        
$attribimg = @getimagesize($file['tmp_name']);
        if ( 
$attribimg[0] >= $attribimg[1] )
        {
            if ( 
$attribimg[0] > $widthimg )
                
resizeIMG($file['tmp_name'],$IMG_PATH.$filenameapp,$widthimg);
            else
                
resizeIMG($file['tmp_name'],$IMG_PATH.$filenameapp,$attribimg[0],$attribimg[1]);
        }
        else
        {
            if ( 
$attribimg[1] > $heightimg )
                
resizeIMG($file['tmp_name'],$IMG_PATH.$filenameapp,0,$heightimg);
            else
                
resizeIMG($file['tmp_name'],$IMG_PATH.$filenameapp,$attribimg[0],$attribimg[1]);
        }
// END RESIZE THE IMAGE

    
return $IMG_PATH.$filenameapp;
}

?>