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YaBB SE Community  |  Development  |  Graphics and Templates  |  [useless] PNG -> HTML converter « previous next »
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Author Topic: [useless] PNG -> HTML converter  (Read 3224 times)
Zef Hemel
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[useless] PNG -> HTML converter
« on: January 14, 2002, 05:42:16 PM »		 Reply with quote
There, have fun: http://www.fmf.nl/~zef/img2text.php ;D
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Peter Duggan
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Re:[useless] PNG -> HTML converter
« Reply #1 on: January 14, 2002, 05:49:31 PM »		 Reply with quote
So it doesn't do transparency? ;)
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Zef Hemel
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Re:[useless] PNG -> HTML converter
« Reply #2 on: January 14, 2002, 05:51:54 PM »		 Reply with quote
I don't know, it's something I found somewhere and modified it a bit :P
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Godai
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Re:[useless] PNG -> HTML converter
« Reply #3 on: January 14, 2002, 09:53:37 PM »		 Reply with quote
It works great :D
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Emanuele 'Godai' Sparvoli
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Re:[useless] PNG -> HTML converter
« Reply #4 on: January 15, 2002, 03:09:40 AM »		 Reply with quote
Thats great!  :)
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Re:[useless] PNG -> HTML converter
« Reply #5 on: January 15, 2002, 11:02:23 AM »		 Reply with quote
kan je de code niet veranderen zodat het op het yabb forum postbaar is... ?

(sorry for the dutch talking... I thought I was on Yabb.nl, It meens: Can you modify the code sow you can post it on the yabb forum)
« Last Edit: January 16, 2002, 10:43:11 AM by Kronosz » Logged
Zef Hemel
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Re:[useless] PNG -> HTML converter
« Reply #6 on: January 15, 2002, 11:35:04 AM »		 Reply with quote
I can, but you wouldn't be able to post it since it's always to big ;)
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Re:[useless] PNG -> HTML converter
« Reply #7 on: January 15, 2002, 10:52:47 PM »		 Reply with quote
Wow, pretty cool.
Is the source available? I'm always very curious how such things work. I've never worked with images in php before.
« Last Edit: January 15, 2002, 10:53:26 PM by Mostmaster » Logged
Koroco
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Re:[useless] PNG -> HTML converter
« Reply #8 on: January 16, 2002, 01:22:06 AM »		 Reply with quote
HEH i want a copy of that script ! :)
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Re:[useless] PNG -> HTML converter
« Reply #9 on: January 16, 2002, 10:44:41 AM »		 Reply with quote
http://213.84.117.25/rommel/zero.html

http://213.84.117.25/rommel/zero2.html
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Zef Hemel
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Re:[useless] PNG -> HTML converter
« Reply #10 on: January 16, 2002, 03:56:50 PM »		 Reply with quote
Most code is purely gzipping, but oh well :P
Code Select
<?php
  /**
   * Checks if user accepts gzipped output, and if zo compresses the output
   * @param $text text to compress
   * @param $level compression level (1 is recommended)
   */
  function gzip($text, $level=1)
  {
    global $TS, $DB;
    global $HTTP_ACCEPT_ENCODING;

    // Check if zlib is installed
    if(function_exists("crc32") && function_exists("gzcompress"))
    {
      // if so check what kind of gzipping can be used
      if(strpos(" ".$HTTP_ACCEPT_ENCODING, "x-gzip"))
         $encoding = "x-gzip";
      elseif(strpos(" ".$HTTP_ACCEPT_ENCODING,"gzip"))
         $encoding = "gzip";

      if ($encoding) // ok, encoding is accepted
      {
         header("Content-Encoding: $encoding");

         $size = strlen($text);
         $crc = crc32($text);

         $output = "\x1f\x8b\x08\x00\x00\x00\x00\x00";
         $output .= substr(gzcompress($text, $level), 0, -4);
         $output .= pack("V", $crc);
         $output .= pack("V", $size);
      }
      else
         $output = $text;
    }
    else
      $output = $text;

    echo $output;
  }

ob_start();

if(!$url)
   $img = "andrea2.png";
else
{
   $rf = fopen($url, "rb") or die("Could not open file $url");
   $buffer = "";
   while($buf = fread($rf, 1024))
      $buffer .= $buf;
   fclose($rf);
   $fd = fopen("image.png", "wb") or die("Could not open image.png for writing");
   fwrite($fd, $buffer);
   fclose($fd);
   $img = "image.png";
}
$imgHand = ImageCreateFromPng($img); 

$imgSize = GetImageSize($img); 
$imgWidth = $imgSize[0]; 
$imgHeight = $imgSize[1]; 
$htmlCode = "<font style=\"font-size:6pt;\" face=\"Courier\">"; 
for ($l = 0; $l < $imgHeight; $l++) { 
    $htmlCode .= "<br>\n"; 
    for ($c = 0; $c < $imgWidth; $c++) { 
        $pxlCor = ImageColorAt($imgHand,$c,$l); 
        $pxlCorArr = ImageColorsForIndex($imgHand, $pxlCor); 
        $htmlCor = DecHex($pxlCorArr["red"]) . DecHex($pxlCorArr["green"]) . DecHex($pxlCorArr["blue"]); 
        $htmlCode .= "<font color=\"#$htmlCor\">#</font>"; 
    } 
} 
$htmlCode .= "</font>"; 
print <<<EOT
<html>
<head>
   <title>PNG 2 ASCII: $img</title>
</head>
<body bgcolor="#000000">
<form method="GET">
<font color="#FFFFFF"><b>URL:</b> <input type=text name="url" value="http://www.fmf.nl/~zef/andrea2.png"> (PNG images only!)</font><br>
<input type=submit value="View">
</form>
EOT;
print $htmlCode; 
print "</body></html>";

$html = ob_get_contents();
ob_end_clean();
gzip($html, 1);
exit();
?>
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Koroco
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Re:[useless] PNG -> HTML converter
« Reply #11 on: January 17, 2002, 02:28:04 AM »		 Reply with quote
LOL i think mine is fricked up
i get this error on EVERYLINE in my php source:
Warning: Supplied argument is not a valid Image resource in [path]

(im not giving out my path :P)
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~Koroco
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Koroco
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Re:[useless] PNG -> HTML converter
« Reply #12 on: January 17, 2002, 02:33:17 AM »		 Reply with quote
well actually it says theres lots of errors on lines 67 and 68, i think thats where the < font> out puts and the </font>
hehehe damn !!!!

hmm i bet i dont have gzipping on my server  :'(
« Last Edit: January 17, 2002, 02:38:08 AM by Koroco » Logged
~Koroco
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Koroco
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Re:[useless] PNG -> HTML converter
« Reply #13 on: January 20, 2002, 07:24:49 PM »		 Reply with quote
Zef You should make that Yabb Compatible so u can do it in the forums, make another php file:
Code Select
<?php
  /**
  * Checks if user accepts gzipped output, and if zo compresses the output
  * @param $text text to compress
  * @param $level compression level (1 is recommended)
  */
  function gzip($text, $level=1)
  {
    global $TS, $DB;
    global $HTTP_ACCEPT_ENCODING;

    // Check if zlib is installed
    if(function_exists("crc32") && function_exists("gzcompress"))
    {
      // if so check what kind of gzipping can be used
      if(strpos(" ".$HTTP_ACCEPT_ENCODING, "x-gzip"))
        $encoding = "x-gzip";
      elseif(strpos(" ".$HTTP_ACCEPT_ENCODING,"gzip"))
        $encoding = "gzip";

      if ($encoding) // ok, encoding is accepted
      {
        header("Content-Encoding: $encoding");

        $size = strlen($text);
        $crc = crc32($text);

        $output = "\x1f\x8b\x08\x00\x00\x00\x00\x00";
        $output .= substr(gzcompress($text, $level), 0, -4);
        $output .= pack("V", $crc);
        $output .= pack("V", $size);
      }
      else
         $output = $text;
    }
    else
      $output = $text;

    echo $output;
  }

ob_start();

if(!$url)
   $img = "andrea2.png";
else
{
   $rf = fopen($url, "rb") or die("Could not open file $url");
   $buffer = "";
   while($buf = fread($rf, 1024))
      $buffer .= $buf;
   fclose($rf);
   $fd = fopen("image.png", "wb") or die("Could not open image.png for writing");
   fwrite($fd, $buffer);
   fclose($fd);
   $img = "image.png";
}
$imgHand = ImageCreateFromPng($img); 

$imgSize = GetImageSize($img); 
$imgWidth = $imgSize[0]; 
$imgHeight = $imgSize[1]; 
$htmlCode = "[font=Courier]"; 
for ($l = 0; $l < $imgHeight; $l++) { 
    $htmlCode .= "<br>\n"; 
    for ($c = 0; $c < $imgWidth; $c++) { 
        $pxlCor = ImageColorAt($imgHand,$c,$l); 
        $pxlCorArr = ImageColorsForIndex($imgHand, $pxlCor); 
        $htmlCor = DecHex($pxlCorArr["red"]) . DecHex($pxlCorArr["green"]) . DecHex($pxlCorArr["blue"]); 
        $htmlCode .= "[color=#$htmlCor]#[/color]"; 
    } 
} 
$htmlCode .= "[/font]"; 
print <<<EOT
<html>
<head>
   <title>PNG 2 ASCII: $img</title>
</head>
<body bgcolor="#000000">
<form method="GET">
<font color="#FFFFFF"><b>URL:</b> <input type=text name="url" value="http://www.fmf.nl/~zef/andrea2.png"> (PNG images only!)</font><br>
<input type=submit value="View">
</form>
EOT;
print $htmlCode; 
print "</body></html>";

$html = ob_get_contents();
ob_end_clean();
gzip($html, 1);
exit();
?>
« Last Edit: January 20, 2002, 07:25:42 PM by Koroco » Logged
~Koroco
Yes im also very Yabb SExy
http://www.fenixmag.com
Zef Hemel
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*****
Posts: 1182


Me too

ICQ - 61109769 WWW
Re:[useless] PNG -> HTML converter
« Reply #14 on: January 21, 2002, 03:50:47 PM »		 Reply with quote
I could, but every message the script would be generate would exceed the message limit so it's no use :)
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