晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : /home/akaindir/www/crm/vtlib/Vtiger/PDF/PDFGenerator.php
<?php
/*+**********************************************************************************
 * The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 ************************************************************************************/
include_once dirname(__FILE__) . '/TCPDF.php';
include_once dirname(__FILE__) . '/Frame.php';

class Vtiger_PDF_Generator {
	private $headerViewer = false, $footerViewer = false, $contentViewer = false, $pagerViewer = false;
	private $headerFrame, $footerFrame, $contentFrame;
	
	private $pdf;
	
	private $isFirstPage = false;
	private $isLastPage = false;
	private $totalWidth = 0;
	private $totalHeight = 0;
	
	function __construct() {
		$this->pdf = new Vtiger_PDF_TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT);

		$this->pdf->setPrintHeader(false);
		$this->pdf->setPrintFooter(false);
	}

	function setHeaderViewer($viewer) {
		$this->headerViewer = $viewer;
	}
	function setFooterViewer($viewer) {
		$this->footerViewer = $viewer;
	}
	function setContentViewer($viewer) {
		$this->contentViewer = $viewer;
	}
	function setPagerViewer($viewer) {
		$this->pagerViewer = $viewer;
	}

	function getHeaderFrame() {
		return $this->headerFrame;
	}
	function getFooterFrame() {
		return $this->footerFrame;
	}	
	function getContentFrame() {
		return $this->contentFrame;
	}

	function getPDF() {
		return $this->pdf;
	}
	
	function onLastPage() {
		return $this->isLastPage;
	}
	
	function onFirstPage() {
		return $this->isFirstPage;
	}
	
	function getTotalWidth() {
		return $this->totalWidth;
	}
	
	function getTotalHeight() {
		return $this->totalHeight;
	}
	
	function createLastPage() {
		// Detect if there is a last page already.
		if($this->isLastPage) return false;
		// Check if the last page is required for adding footer
		if(!$this->footerViewer || !$this->footerViewer->onLastPage()) return false;
		
		$pdf = $this->pdf;
		
		// Create a new page
		$pdf->AddPage();
		
		$this->isFirstPage = false;
		$this->isLastPage = true;
		
		$margins = $pdf->getMargins();
		$totalHeightFooter = $this->footerViewer? $this->footerViewer->totalHeight($this) : 0;

		if ($totalHeightFooter) {
			$this->footerFrame = new Vtiger_PDF_Frame();
			$this->footerFrame->x = $pdf->GetX();
			$this->footerFrame->y = $margins['top'];
			$this->footerFrame->h = $totalHeightFooter;
			$this->footerFrame->w = $this->totalWidth;
			
			$this->footerViewer->initDisplay($this);
			$this->footerViewer->display($this);
		}
		if($this->pagerViewer) {
			$this->pagerViewer->display($this);
		}
		return true;
	}
	
	function createPage($isLastPage = false) {
		$pdf = $this->pdf;
		
		// Create a new page
		$pdf->AddPage();
		
		if($isLastPage) {
			$this->isFirstPage = false;
			$this->isLastPage = true;
		} else {
			if($pdf->getPage() > 1) $this->isFirstPage = false;
			else $this->isFirstPage = true;
		}
	
		$margins = $pdf->getMargins();
		
		$this->totalWidth  = $pdf->getPageWidth()-$margins['left']-$margins['right'];
		
		$this->totalHeight = $totalHeight = $pdf->getPageHeight() - $margins['top'] - $margins['bottom'];
		$totalHeightHeader = $this->headerViewer? $this->headerViewer->totalHeight($this) : 0;
		$totalHeightFooter = $this->footerViewer? $this->footerViewer->totalHeight($this) : 0;

		$totalHeightContent= $this->contentViewer->totalHeight($this);
		if ($totalHeightContent === 0) $totalHeightContent = $totalHeight - $totalHeightHeader - $totalHeightFooter;

		if ($totalHeightHeader) {
			$this->headerFrame = new Vtiger_PDF_Frame();
			$this->headerFrame->x = $pdf->GetX();
			$this->headerFrame->y = $pdf->GetY();
			$this->headerFrame->h = $totalHeightHeader;
			$this->headerFrame->w = $this->totalWidth;

			$this->headerViewer->initDisplay($this);
			$this->headerViewer->display($this);
		}
		
		// ContentViewer
		$this->contentFrame = new Vtiger_PDF_Frame();
		$this->contentFrame->x = $pdf->GetX();    
                $this->contentFrame->y = $pdf->GetY()+10.0;
		
		$this->contentFrame->h = $totalHeightContent;
		$this->contentFrame->w = $this->totalWidth;

		$this->contentViewer->initDisplay($this);
		
		if ($totalHeightFooter) {
			$this->footerFrame = new Vtiger_PDF_Frame();
			$this->footerFrame->x = $pdf->GetX();
			$this->footerFrame->y = $totalHeight+$margins['top']-$totalHeightFooter;
			$this->footerFrame->h = $totalHeightFooter;
			$this->footerFrame->w = $this->totalWidth;

			$this->footerViewer->initDisplay($this);
			$this->footerViewer->display($this);
		}
		
		if($this->pagerViewer) {
			$this->pagerViewer->display($this);
		}
	}
	
	function generate($name, $outputMode='D') {
		$this->contentViewer->display($this);		
		$this->pdf->Output($name, $outputMode);
	}

	function getImageSize($file) {
		// get image dimensions
		$imsize = @getimagesize($file);
		if ($imsize === FALSE) {
			// encode spaces on filename
			$file = str_replace(' ', '%20', $file);
			$imsize = @getimagesize($file);
			if ($imsize === FALSE) {
				//TODO handle error better.
				//values here are consistent with one that should be max size of logo.
				return array(60, 30, null, null);
			}
		}
		return $imsize;
	}

}

?>

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