This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ ?> src */ $r = deg2rad(-$deg); return array(round($x*cos($r) - $y*sin($r), 6), round($x*sin($r) + $y*cos($r), 6)); } function point_translate($x, $y, $dx, $dy) { return array ($x+$dx, $y+$dy); } function is_point_in_object($x, $y, $o) { /* Translate the point to the object origin */ list($x, $y) = point_translate($x, $y, -$o['x'], -$o['y']); /* Rotate the point to the object's frame of reference*/ list($x, $y) = point_rotate($x, $y, -$o['orientation']); /* Is it within the object now ? */ if(abs($x) <= $o['w2'] && abs($y) <= $o['h2']) return true; return false; } function queue_new() { return array('head' => NULL, 'tail' => NULL); } TRACE("
\n");

/* Load exhibit halls */
$exhibithall = array();
$q = $mysqli->query("SELECT * FROM exhibithall WHERE type='exhibithall'");
TRACE("Loading exhibit halls...\n");
while(($r = $q->fetch_assoc())) {
	$r['challenges'] = explode(',', $r['challenges']); //unserialize($r['challenges']);
	$r['cats'] = explode(',', $r['cats']); //unserialize($r['cats']);
	$exhibithall[$r['id']] = $r;
	TRACE("   - {$r['name']}\n");
}

/* Load objects */
$objects = array();
$q = $mysqli->query("SELECT * FROM exhibithall WHERE type='wall' OR type='project'");
TRACE("Loading objects...\n");
while(($r = $q->fetch_assoc())) {
	$r['challenges'] = unserialize($r['challenges']);
	$r['cats'] = unserialize($r['cats']);
	$r['pid'] = 0;
	$objects[$r['floornumber']] = $r;
}
TRACE(count($objects)." objects loaded.\n");

/* Compute stuff */
foreach($objects as $oid=>$o) {
	$objects[$oid]['w2'] = $o['w']/2;
	$objects[$oid]['h2'] = $o['h']/2;
}

/* The grid size is the smallest object dimension */
$grid_size = 100;
foreach($objects as $oid=>$o) {
	if($grid_size > $o['w']) $grid_size = $o['w'];
	if($grid_size > $o['h']) $grid_size = $o['h'];
}
$grid_size /= 2;
TRACE("Grid size: {$grid_size}m\n");

foreach($exhibithall as $eid=>&$eh) {
	$eh['grid_w'] = (int)($eh['w'] / $grid_size) + 1;
	$eh['grid_h'] = (int)($eh['h'] / $grid_size) + 1;
}



//print_r($exhibithall);

//print_r($objects);

$challenges = challenges_load($mysqli);
$cats = categories_load($mysqli);

$projects = projects_load_all($mysqli);
TRACE(count($projects)." projects loaded.\n");

foreach($projects as &$p) {
	$objects[$p['floor_number']]['pid'] = $p['pid'];

	project_load_students($mysqli, $p);
}


switch($action) {
case 'images':
	exhibithall_images();
	exit;
}

function exhibithall_images()
{
	global $exhibithall, $objects, $projects, $challenges;

	foreach($exhibithall as &$i_eh) {


		$i = imagecreatetruecolor($i_eh['w']*100, $i_eh['h']*100);
		$c_grey = imagecolorallocate($i, 128, 128, 128);
		$c_white = imagecolorallocate($i, 255, 255, 255);
		$c_black = imagecolorallocate($i, 0, 0, 0);

		// Fill the background with the color selected above.
		imagefill($i, 0, 0, $c_white);
		imagerectangle($i, 0, 0, $i_eh['w']*100 - 1, $i_eh['h']*100 - 1, $c_black);

		for($ix=0;$ix<=$i_eh['grid_w'];$ix++) {
			for($iy=0;$iy<=$i_eh['grid_h'];$iy++) {
//				$l = $i_eh[$ix][$iy];
//				if(count($l['ids']) > 0) {
//					imageellipse($i, $l['x']*100, $l['y']*100, 1, 1, $c_black);
//				} else {
					imageellipse($i, $ix*100, $iy*100, 1, 1, $c_grey);
//				}
			}
		}
		foreach($objects as $oid=>$o) {
			if($o['exhibithall_id'] != $i_eh['id']) continue;
			

			list($x1,$y1) = point_rotate(-$o['w2'], -$o['h2'], $o['orientation']);
			list($x2,$y2) = point_rotate($o['w2'], $o['h2'], $o['orientation']);
			imagerectangle($i, ($o['x']+$x1)*100, ($o['y']+$y1)*100, ($o['x']+$x2)*100, ($o['y']+$y2)*100, $c_black);

			$pid = $o['pid'];
			if($pid <= 0) continue;

			$p = $projects[$o['pid']];
			imagestring($i, 4, $o['x']*100 - 30, $o['y']*100 - 35, "{$o['floornumber']} ({$p['pid']})", $c_black);
			imagestring($i, 4, $o['x']*100 - 30, $o['y']*100 - 20, "gr:{$p['students'][0]['grade']}  ", $c_black);
			$d = $challenges[$p['challenge_id']]['shortform'];
			imagestring($i, 4, $o['x']*100 - 30, $o['y']*100 - 5, "d:$d ({$p['challenge_id']})", $c_black);
			imagestring($i, 4, $o['x']*100 - 30, $o['y']*100 + 10, "s:{$p['students'][0]['schools_id']}", $c_black);
			imagestring($i, 4, $o['x']*100 - 30, $o['y']*100 + 25, "e:{$p['req_electricity']}", $c_black);

		
		}


		imagepng($i, "./eh-{$i_eh['id']}.png");

	}
}



?>