<?php
/*
* Функции
*/
function empty_image()
{
@header("Content-type: image/gif");
@header("Cache-Control: max-age=3600");
$img=imagecreatetruecolor(1,1);
imagecolortransparent($img, 0);
imagegif($img);
imagedestroy($img);
exit();
}
function readInt($file)
{
$b4 = ord(fgetc($file));
$b3 = ord(fgetc($file));
$b2 = ord(fgetc($file));
$b1 = ord(fgetc($file));
return ($b1<<24)|($b2<<16)|($b3<<8)|$b4;
}
function readShort($file)
{
$b2 = ord(fgetc($file));
$b1 = ord(fgetc($file));
return ($b1<<8)|$b2;
}
/*
* Переменные
*/
$id = isset($_GET["id"]) ? $_GET["id"] : 0;
$aid = isset($_GET["aid"]) ? $_GET["aid"] : 0;
if (($id == "0") AND ($aid == "0")) empty_image();
include("cfg/bd.php"); // Данные для подключения к БД
$msconn = mysql_connect($dbhost, $dbuser, $dbpass) or die ("Ошибка соединения");
MYSQL_SELECT_DB($dbname) or die ("БД не найдена");
if ($aid == "0") {
$query = mysql_query(" SELECT crest FROM clan_data WHERE clan_id=".$id." ");
if (@mysql_num_rows($query) > 0)
{
$result = @mysql_fetch_assoc($query);
$clan_crest = $result['crest'];
if ($clan_crest == NULL) empty_image();
}
else
{
empty_image();
}
} else {
$query = mysql_query(" SELECT crest FROM ally_data WHERE ally_id=".$aid." ");
if (@mysql_num_rows($query) > 0)
{
$result = @mysql_fetch_assoc($query);
$clan_crest = $result['crest'];
if ($clan_crest == NULL) empty_image();
}
else
{
empty_image();
}
}
mysql_close();
$file = tmpfile();
fwrite($file, $clan_crest);
fseek($file, 0);
$dds = fread($file,4);
if ($dds!=='DDS ') die("Error: изображение DDS не найдено");
//DDS header
$hdrSize = readInt($file);
$hdrFlags = readInt($file);
$imgHeight = readInt($file)-4;
$imgWidth = readInt($file);
$imgPitch = readShort($file);
//DXT1 header
fseek($file, 84);
$dxt1 = fread($file,4);
if ($dxt1!=='DXT1') die("Error: не найден формат DX1");
//here we go
fseek($file, 128);
@header ("Content-type: image/png");
@header("Cache-Control: max-age=3600");
$img=imagecreatetruecolor($imgWidth,$imgHeight);
for ($y=-1; $y<$imgHeight/4; $y++)
{
for ($x=0; $x<$imgWidth/4; $x++)
{
$color0_16 = readShort($file);
$color1_16 = readShort($file);
$r0 = ($color0_16 >> 11) << 3;
$g0 = (($color0_16 >> 5) & 63) << 2;
$b0 = ($color0_16 & 31) << 3;
$r1 = ($color1_16 >> 11) << 3;
$g1 = (($color1_16 >> 5) & 63) << 2;
$b1 = ($color1_16 & 31) << 3;
$color0_32 = imagecolorallocate($img,$r0,$g0,$b0);
$color1_32 = imagecolorallocate($img,$r1,$g1,$b1);
$color01_32 = imagecolorallocate($img,$r0/2+$r1/2,$g0/2+$g1/2,$b0/2+$b1/2);
$black = imagecolorallocate($img,0,0,0);
$data = readInt($file);
for ($yy=0;$yy<4;$yy++)
{
for ($xx=0;$xx<4;$xx++)
{
$bb = $data & 3;
$data = $data >> 2;
switch ($bb)
{
case 0: $c = $color0_32; break;
case 1: $c = $color1_32; break;
case 2: $c = $color01_32; break;
default: $c = $black; break;
}
imagesetpixel($img,$x*4+$xx,$y*4+$yy,$c);
}
}
}
}
imagepng($img);
fclose($file);
exit;
?>