<?php

function getPage($sPath, $asVars)
{
	$bSavePage = Settings::DEBUG;
	if($bSavePage)
	{
		$asFileIds = array_filter($asVars);
		unset($asFileIds['_']);
		$sFileName = $sPath.'.'.implode('.', $asFileIds).'.log';
	}
	if(!$bSavePage || !file_exists($sFileName) || date('dmY', filemtime($sFileName))!=date('dmY'))
	{
		$sPath = 'http://www.ugc.fr/'.$sPath.'?'.http_build_query($asVars);
		$oCurl = curl_init();
		curl_setopt($oCurl, CURLOPT_URL, $sPath);
		curl_setopt($oCurl, CURLOPT_HEADER, false);
		curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($oCurl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
		$sContent = curl_exec($oCurl);
		curl_close($oCurl);
		if($bSavePage) file_put_contents($sFileName, $sContent);
	}
	return $bSavePage?file_get_contents($sFileName):$sContent;
}

function setPageMime($sType='html')
{
	$asMainTypes = array('json'=>'application', 'jpeg'=>'image', 'png'=>'image', 'gif'=>'image');
	if($sType!='html' && array_key_exists($sType, $asMainTypes)) header('Content-type: '.$asMainTypes[$sType].'/'.$sType);
}

function getTrimImage($iFilmId, $sinPath, $sImageExt)
{
	$sOutPath = 'images/'.$iFilmId.'.'.$sImageExt;
	if(!file_exists($sOutPath))
	{
		$oImage = call_user_func('imagecreatefrom'.$sImageExt, $sinPath);
		$iImageX = imagesx($oImage);
		$iImageY = imagesy($oImage);
		$iTop = 0;
		$iBottom = 0;
		$iLeft = 0;
		$iRight = 0;
		$iWhiteLimit = 220;
		
		//Top height to crop:
		for(; $iTop < $iImageY; ++$iTop)
		{
			for($x = 0; $x < $iImageX; ++$x)
			{
				$hColor = imagecolorat($oImage, $x, $iTop);
				$iRed = ($hColor >> 16) & 0xFF;
				$iGreen = ($hColor >> 8) & 0xFF;
				$iBlue = $hColor & 0xFF;
				if($iRed<$iWhiteLimit || $iGreen<$iWhiteLimit || $iBlue<$iWhiteLimit) break 2; //out of the 'top' loop
			}
		}

		//Bottom height to crop
		for(; $iBottom < $iImageY; ++$iBottom)
		{
			for($x = 0; $x < $iImageX; ++$x)
			{
				$hColor = imagecolorat($oImage, $x, $iImageY - $iBottom - 1);
				$iRed = ($hColor >> 16) & 0xFF;
				$iGreen = ($hColor >> 8) & 0xFF;
				$iBlue = $hColor & 0xFF;
				if($iRed<$iWhiteLimit || $iGreen<$iWhiteLimit || $iBlue<$iWhiteLimit) break 2; //out of the 'bottom' loop
			}
		}
		
		//Left width to crop
		for(; $iLeft < $iImageX; ++$iLeft)
		{
			for($y = 0; $y < $iImageY; ++$y)
			{
				$hColor = imagecolorat($oImage, $iLeft, $y);
				$iRed = ($hColor >> 16) & 0xFF;
				$iGreen = ($hColor >> 8) & 0xFF;
				$iBlue = $hColor & 0xFF;
				if($iRed<$iWhiteLimit || $iGreen<$iWhiteLimit || $iBlue<$iWhiteLimit) break 2; //out of the 'left' loop
			}
		}
		
		//Right width to crop
		for(; $iRight < $iImageX; ++$iRight)
		{
			for($y = 0; $y < $iImageY; ++$y)
			{
				$hColor = imagecolorat($oImage, $iImageX - $iRight-1, $y);
				$iRed = ($hColor >> 16) & 0xFF;
				$iGreen = ($hColor >> 8) & 0xFF;
				$iBlue = $hColor & 0xFF;
				if($iRed<$iWhiteLimit || $iGreen<$iWhiteLimit || $iBlue<$iWhiteLimit) break 2; //out of the 'right' loop
			}
		}
		
		//Creating a image with the new height
		$oCropImage = imagecreatetruecolor($iImageX-($iLeft+$iRight), $iImageY-($iTop+$iBottom));
		
		//Copy the content, excluding the border
		imagecopy($oCropImage, $oImage, 0, 0, $iLeft, $iTop, imagesx($oCropImage), imagesy($oCropImage));
		
		call_user_func_array('image'.$sImageExt, array($oCropImage, $sOutPath));
	}
	
	return file_get_contents($sOutPath);
}

?>