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khosb/includes/pdf/fpdf_tpl.php
2008-11-26 14:50:40 -08:00

446 lines
14 KiB
PHP

<?php
//
// fpdf_tpl - Version 1.0.2
//
// Copyright 2004,2005 Setasign - Jan Slabon
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
require_once("fpdf.php");
class fpdf_tpl extends fpdf {
/**
* Array of Tpl-Data
* @var array
*/
var $tpls = array();
/**
* Current Template-ID
* @var int
*/
var $tpl = 0;
/**
* "In Template"-Flag
* @var boolean
*/
var $intpl = false;
/**
* Nameprefix of Templates used in Resources-Dictonary
* @var string A String defining the Prefix used as Template-Object-Names. Have to beginn with an /
*/
var $tplprefix = "/TPL";
/**
* Nameprefix of Fonts used in Resources-Dictonary
* (not realy needed, but for future versions with import-function needed)
* @var string
*/
var $fontprefix = "/F";
/**
* Resources used By Templates and Pages
* @var array
*/
var $res = array();
/**
* Constructor
* See FPDF-Documentation
* @param string $orientation
* @param string $unit
* @param mixed $format
*/
function fpdf_tpl($orientation='P',$unit='mm',$format='A4') {
parent::fpdf($orientation,$unit,$format);
}
/**
* Start a Template
*
* This method starts a template. You can give own coordinates to build an own sized
* Template. Pay attention, that the margins are adapted to the new templatesize.
* If you want to write outside the template, for example to build a clipped Template,
* you have to set the Margins and "Cursor"-Position manual after beginTemplate-Call.
*
* If no parameter is given, the template uses the current page-size.
* The Method returns an ID of the current Template. This ID is used later for using this template.
* Warning: A created Template is used in PDF at all events. Still if you don't use it after creation!
*
* @param int $x The x-coordinate given in user-unit
* @param int $y The y-coordinate given in user-unit
* @param int $w The width given in user-unit
* @param int $h The height given in user-unit
* @return int The ID of new created Template
*/
function beginTemplate($x=null,$y=null,$w=null,$h=null) {
if ($this->page <= 0)
$this->error("You have to add a page to fpdf first!");
// Save settings
$this->tpl++;
$this->tpls[$this->tpl]['o_x'] = $this->x;
$this->tpls[$this->tpl]['o_y'] = $this->y;
$this->tpls[$this->tpl]['o_AutoPageBreak'] = $this->AutoPageBreak;
$this->tpls[$this->tpl]['o_bMargin'] = $this->bMargin;
$this->tpls[$this->tpl]['o_tMargin'] = $this->tMargin;
$this->tpls[$this->tpl]['o_lMargin'] = $this->lMargin;
$this->tpls[$this->tpl]['o_rMargin'] = $this->rMargin;
$this->tpls[$this->tpl]['o_h'] = $this->h;
$this->tpls[$this->tpl]['o_w'] = $this->w;
$this->SetAutoPageBreak(false);
if ($x == null)
$x = 0;
if ($y == null)
$y = 0;
if ($w == null)
$w = $this->w;
if ($h == null)
$h = $this->h;
// Define own high and width to calculate possitions correct
$this->h = $h;
$this->w = $w;
$this->tpls[$this->tpl]['buffer'] = "";
$this->tpls[$this->tpl]['x'] = $x;
$this->tpls[$this->tpl]['y'] = $y;
$this->tpls[$this->tpl]['w'] = $w;
$this->tpls[$this->tpl]['h'] = $h;
$this->intpl = true;
$this->SetXY($x+$this->lMargin,$y+$this->tMargin);
$this->SetRightMargin($this->w-$w+$this->rMargin);
return $this->tpl;
}
/**
* End Template
*
* This method ends a template and reset initiated variables on beginTemplate.
*
* @return mixed If a template is opened, the ID is returned. If not a false is returned.
*/
function endTemplate() {
if ($this->intpl) {
$this->intpl = false;
$this->SetAutoPageBreak($this->tpls[$this->tpl]['o_AutoPageBreak'],$this->tpls[$this->tpl]['o_bMargin']);
$this->SetXY($this->tpls[$this->tpl]['o_x'],$this->tpls[$this->tpl]['o_y']);
$this->tMargin = $this->tpls[$this->tpl]['o_tMargin'];
$this->lMargin = $this->tpls[$this->tpl]['o_lMargin'];
$this->rMargin = $this->tpls[$this->tpl]['o_rMargin'];
$this->h = $this->tpls[$this->tpl]['o_h'];
$this->w = $this->tpls[$this->tpl]['o_w'];
return $this->tpl;
} else {
return false;
}
}
/**
* Use a Template in current Page or other Template
*
* You can use a template in a page or in another template.
* You can give the used template a new size like you use the Image()-method.
* All parameters are optional. The width or height is calculated automaticaly
* if one is given. If no parameter is given the origin size as defined in
* beginTemplate() is used.
* The calculated or used width and height are returned as an array.
*
* @param int $tplidx A valid template-Id
* @param int $_x The x-position
* @param int $_y The y-position
* @param int $_w The new width of the template
* @param int $_h The new height of the template
* @retrun array The height and width of the template
*/
function useTemplate($tplidx, $_x=null, $_y=null, $_w=0, $_h=0) {
if ($this->page <= 0)
$this->error("You have to add a page to fpdf first!");
if (!$this->tpls[$tplidx])
$this->error("Template does not exist!");
if ($this->intpl) {
$this->res['tpl'][$this->tpl]['tpls'][$tplidx] =& $this->tpls[$tplidx];
}
extract($this->tpls[$tplidx]);
if ($_x == null)
$_x = $x;
if ($_y == null)
$_y = $y;
$wh = $this->getTemplateSize($tplidx,$_w,$_h);
$_w = $wh['w'];
$_h = $wh['h'];
$this->_out(sprintf("q %.4f 0 0 %.4f %.2f %.2f cm", ($_w/$w), ($_h/$h), $_x*$this->k, ($this->h-($_y+$_h))*$this->k)); // Translate
$this->_out($this->tplprefix.$tplidx." Do Q");
return array("w" => $_w, "h" => $_h);
}
/**
* Get The calculated Size of a Template
*
* If one size is given, this method calculates the other one.
*
* @param int $tplidx A valid template-Id
* @param int $_w The width of the template
* @param int $_h The height of the template
* @return array The height and width of the template
*/
function getTemplateSize($tplidx, $_w=0, $_h=0) {
if (!$this->tpls[$tplidx])
return false;
extract($this->tpls[$tplidx]);
if ($_w == 0 and $_h == 0) {
$_w = $w;
$_h = $h;
}
if($_w==0)
$_w=$_h*$w/$h;
if($_h==0)
$_h=$_w*$h/$w;
return array("w" => $_w, "h" => $_h);
}
/**
* See FPDF-Documentation ;-)
*/
function SetFont($family,$style='',$size=0) {
//Select a font; size given in points
global $fpdf_charwidths;
$family=strtolower($family);
if($family=='')
$family=$this->FontFamily;
if($family=='arial')
$family='helvetica';
elseif($family=='symbol' or $family=='zapfdingbats')
$style='';
$style=strtoupper($style);
if(is_int(strpos($style,'U')))
{
$this->underline=true;
$style=str_replace('U','',$style);
}
else
$this->underline=false;
if($style=='IB')
$style='BI';
if($size==0)
$size=$this->FontSizePt;
//Test if font is already selected
if($this->FontFamily==$family and $this->FontStyle==$style and $this->FontSizePt==$size and !$this->intpl)
return;
//Test if used for the first time
$fontkey=$family.$style;
if(!isset($this->fonts[$fontkey]))
{
//Check if one of the standard fonts
if(isset($this->CoreFonts[$fontkey]))
{
if(!isset($fpdf_charwidths[$fontkey]))
{
//Load metric file
$file=$family;
if($family=='times' or $family=='helvetica')
$file.=strtolower($style);
$file.='.php';
if(defined('FPDF_FONTPATH'))
$file=FPDF_FONTPATH.$file;
include($file);
if(!isset($fpdf_charwidths[$fontkey]))
$this->Error('Could not include font metric file');
}
$i = $this->findNextAvailFont();
$this->fonts[$fontkey]=array('i'=>$i,'type'=>'core','name'=>$this->CoreFonts[$fontkey],'up'=>-100,'ut'=>50,'cw'=>$fpdf_charwidths[$fontkey]);
}
else
$this->Error('Undefined font: '.$family.' '.$style);
}
//Select it
$this->FontFamily=$family;
$this->FontStyle=$style;
$this->FontSizePt=$size;
$this->FontSize=$size/$this->k;
$this->CurrentFont=&$this->fonts[$fontkey];
if($this->page>0)
$this->_out(sprintf('BT '.$this->fontprefix.'%d %.2f Tf ET',$this->CurrentFont['i'],$this->FontSizePt));
if ($this->intpl) {
$this->res['tpl'][$this->tpl]['fonts'][$fontkey] =& $this->fonts[$fontkey];
} else {
$this->res['page'][$this->page]['fonts'][$fontkey] =& $this->fonts[$fontkey];
}
}
/**
* Find the next available Font-No.
*
* @return int
*/
function findNextAvailFont() {
return count($this->fonts)+1;
}
/**
* See FPDF-Documentation ;-)
*/
function Image($file,$x,$y,$w=0,$h=0,$type='',$link='') {
parent::Image($file,$x,$y,$w,$h,$type,$link);
if ($this->intpl) {
$this->res['tpl'][$this->tpl]['images'][$file] =& $this->images[$file];
} else {
$this->res['page'][$this->page]['images'][$file] =& $this->images[$file];
}
}
/**
* See FPDF-Documentation ;-)
*
* AddPage is not available when you're "in" a template.
*/
function AddPage($orientation='') {
if ($this->intpl)
$this->Error('Adding pages in templates isn\'t possible!');
parent::AddPage($orientation);
}
/**
* Preserve adding Links in Templates ...won't work
*/
function Link($x,$y,$w,$h,$link) {
if ($this->intpl)
$this->Error('Using links in templates aren\'t possible!');
parent::Link($x,$y,$w,$h,$link);
}
function AddLink() {
if ($this->intpl)
$this->Error('Adding links in templates aren\'t possible!');
return parent::AddLink();
}
function SetLink($link,$y=0,$page=-1) {
if ($this->intpl)
$this->Error('Setting links in templates aren\'t possible!');
parent::SetLink($link,$y,$page);
}
/**
* Private Method that writes the Resources-Objects
*/
function _puttemplates() {
$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
reset($this->tpls);
foreach($this->tpls AS $tplidx => $tpl) {
$p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer'];
$this->_newobj();
$this->tpls[$tplidx]['n'] = $this->n;
$this->_out('<<'.$filter.'/Type /XObject');
$this->_out('/Subtype /Form');
$this->_out('/FormType 1');
$this->_out(sprintf('/BBox [%.2f %.2f %.2f %.2f]',$tpl['x']*$this->k, ($tpl['h']-$tpl['y'])*$this->k, $tpl['w']*$this->k, ($tpl['h']-$tpl['y']-$tpl['h'])*$this->k)); // ($this->h-$tpl['y'])*$this->k
$this->_out('/Resources ');
$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
if (count($this->res['tpl'][$tplidx]['fonts'])) {
$this->_out('/Font <<');
foreach($this->res['tpl'][$tplidx]['fonts'] as $font)
$this->_out($this->fontprefix.$font['i'].' '.$font['n'].' 0 R');
$this->_out('>>');
}
if(count($this->res['tpl'][$tplidx]['images']) || count($this->res['tpl'][$tplidx]['tpls']))
{
$this->_out('/XObject <<');
if (count($this->res['tpl'][$tplidx]['images'])) {
foreach($this->res['tpl'][$tplidx]['images'] as $image)
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
}
if (count($this->res['tpl'][$tplidx]['tpls'])) {
foreach($this->res['tpl'][$tplidx]['tpls'] as $i => $tpl)
$this->_out($this->tplprefix.$i.' '.$tpl['n'].' 0 R');
}
$this->_out('>>');
}
$this->_out('>>');
$this->_out('/Length '.strlen($p).' >>');
$this->_putstream($p);
$this->_out('endobj');
}
}
/**
* Private Method
*/
function _putresources() {
$this->_putfonts();
$this->_putimages();
$this->_puttemplates();
//Resource dictionary
$this->offsets[2]=strlen($this->buffer);
$this->_out('2 0 obj');
$this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]');
$this->_out('/Font <<');
foreach($this->fonts as $font)
$this->_out($this->fontprefix.$font['i'].' '.$font['n'].' 0 R');
$this->_out('>>');
if(count($this->images) || count($this->tpls))
{
$this->_out('/XObject <<');
if (count($this->images)) {
foreach($this->images as $image)
$this->_out('/I'.$image['i'].' '.$image['n'].' 0 R');
}
if (count($this->tpls)) {
foreach($this->tpls as $tplidx => $tpl)
$this->_out($this->tplprefix.$tplidx.' '.$tpl['n'].' 0 R');
}
$this->_out('>>');
}
$this->_out('>>');
$this->_out('endobj');
}
/**
* Private Method
*/
function _out($s) {
//Add a line to the document
if ($this->state==2) {
if (!$this->intpl)
$this->pages[$this->page].=$s."\n";
else
$this->tpls[$this->tpl]['buffer'] .= $s."\n";
} else {
$this->buffer.=$s."\n";
}
}
}
?>