<?php
function drawcell($i, $j, $ilen, $jlen, $img, $url)
{
global $CELL_WIDTH, $CELL_HEIGHT, $MAX_X_NUM, $MAX_Y_NUM;
$top = $j*$CELL_HEIGHT;
$left = $i*$CELL_WIDTH;
$width = $ilen*$CELL_WIDTH;
$height = $jlen*$CELL_HEIGHT;
$strret = <<<EOT
<div style="top:{$top}px;left:{$left}px;width:{$width}px;height:{$height}px;">
<a href="{$url}"><img src="{$img}" border="0" height="{$height}" width="{$width}"></a>
</div>\n
EOT;
return $strret;
}
function is_used($i, $j)
{
global $adlist;
$ret = false;
foreach ($adlist as $ad)
{
if ($i >= $ad[0] && $i <= $ad[2] && $j >= $ad[1] && $j <= $ad[3])
{
$ret = true;
break;
}
}
return $ret;
}
function drawtable(&$data)
{
global $CELL_WIDTH, $CELL_HEIGHT, $MAX_X_NUM, $MAX_Y_NUM, $adlist, $default_img, $default_url;
for ($i = 0; $i < $MAX_X_NUM; $i++)
{
for ($j = 0; $j < $MAX_Y_NUM; $j++)
{
if (!is_used($i, $j))
{
$data .= drawcell($i, $j, 1, 1, $default_img, $default_url);
}
}
}
foreach ($adlist as $ad)
{
$data .= drawcell($ad[0], $ad[1], $ad[2] - $ad[0] + 1, $ad[3] - $ad[1] + 1, $ad[4], $ad[5]);
}
}
?>
