<?

$factor = (int)$_POST['factor'];

$usetable = $_POST['table'];

$file = $_POST['file'];

$act = $_GET['act'];

$fileex = $_POST['fileex'];

echo "<form action=\"".$_SERVER['PHP_SELF']."?act=make\" method=\"post\">

<table><tr>

<td>Адрес файла:</td><td><input name=\"file\" type=\"text\" value=\"\"></td></tr>

<tr><td>Файл с инета (http://...) <input name=\"fileex\" type=\"checkbox\" value=\"ON\"></td></tr>

<tr><td>Погрешность цвета</td><td><input name=\"factor\" type=\"text\" value=\"\"></td></tr>

<tr><td>Использовать таблицу <input name=\"table\" type=\"checkbox\" value=\"OFF\"></td><td>Если вы не используете таблицу, уменьшите маштабирование в браузере до 50% ))</td></tr>

</table>

<input type=\"submit\" value=\"JPG => ASCII\">

</form>";

if($act =='make')

{

$format = explode('.',$file);

$format = $format[(count($format))-1];

	if($file == '')

	{

	echo "<br />Вы не ввели адрес файла!";

	}

	elseif(!file_exists($file) AND !$fileex)

	{

	echo "<br />Файл несуществует!";

	}

	elseif(($format != 'jpg') AND ($format != 'jpeg'))

	{

	echo "<br />Неверный формат файла. Поддерживается только JPG!";

	}

	else

	{

	$img = ImageCreateFromjpeg($file);

	$size = getimagesize($file);

	$orig_x = (int)$size[0]/2;

	$orig_y = (int)$size[1]/3;

	if($usetable){$str='<table><tr>';}else{$str='';}

	for($y=1;$y<=$orig_y;$y++)

     {

     	for($x=1;$x<=$orig_x;$x++)

     	{

        $str.= quatro($img,$x,$y,$str,$factor,$usetable);

     	}

     if($usetable){$str.="</tr><tr>";}else{$str.="<br/>";}

     }

	if($usetable){echo "<font style=\"font-family: Courier\">".$str."</font></table>";}else{echo "<font style=\"font-family: Courier\">".$str;}

	}

}

function quatro($img,$x,$y,$str,$factor,$usetable)

{

$x = $x*2;

$y = $y*3;

     		for($q_x=0;$q_x<2;$q_x++)

     		{

     			 for($q_y=0;$q_y<3;$q_y++)

     			{

     			 $rgb = ImageColorAt($img, $x+$q_x, $y+$q_y);

            	 $r = ($rgb >> 16) & 0xFF;

            	 $g = ($rgb >> 8) & 0xFF;

            	 $b = $rgb & 0xFF;

            	 $pixel_total = $r + $g + $b;

   					    if ($pixel_total > (((255 + $factor) / 2) * 3)) {

        				$hex.=0;

    					} else {

        				$hex.=1;

    					}

     			}

     		}

return sectorToASCII($hex,$usetable);

}





function sectorToASCII($hex,$usetable)

{

$char[000001] = ',';

$char[000010] = '.';

$char[000011] = 'i';

$char[000100] = '\'';

$char[000101] = ':';

$char[000110] = 'l';

$char[000111] = '!';

$char[001000] = '.';

$char[001001] = '_';

$char[001010] = '/';

$char[001011] = '';

$char[001100] = '/';

$char[001101] = ';';

$char[001110] = '/';

$char[001111] = 'J';

$char[010000] = '`';

$char[010001] = chr(0x5C);

$char[010010] = '-';

$char[010011] = '';

$char[010100] = '/';

$char[010101] = '<';

$char[010110] = '';

$char[010111] = '<';

$char[011000] = 'i';

$char[011001] = '';

$char[011010] = 'в';

$char[011011] = '*';

$char[011100] = '/';

$char[011101] = 'B';

$char[011110] = '&';

$char[011111] = '';

$char[100000] = '`';

$char[100001] = chr(0x5C);

$char[100010] = chr(0x5C);

$char[100011] = chr(0x5C);

$char[100100] = '{';

$char[100101] = '';

$char[100110] = chr(0x5C);

$char[100111] = '7';

$char[101000] = ':';

$char[101001] = '';

$char[101010] = '>';

$char[101011] = 'Э';

$char[101100] = '';

$char[101101] = '=';

$char[101110] = '?';

$char[101111] = ']';

$char[110000] = '¦';

$char[110001] = chr(0x5C);

$char[110010] = '';

$char[110011] = '%';

$char[110100] = '';

$char[110101] = 'г';

$char[110110] = '"';

$char[110111] = '9';

$char[111000] = 'I';

$char[111001] = 'L';

$char[111010] = '>';

$char[111011] = '6';

$char[111100] = 'В';

$char[111101] = '[';

$char[111110] = '@';

$char[111111] = '#';

if($usetable)

{

if($char[$hex]=='')$char[$hex]='&nbsp;';

return "<td>".$char[$hex]."</td>";

}

else

{

if($char[$hex]=='')$char[$hex]='&nbsp&nbsp;';

return $char[$hex];

}

}





?>