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<?php
/* $Id: invoice.php,v 1.23 2006/10/01 20:33:35 rjs Exp $
 *
 * PDFlib client: invoice example in PHP
 */

$left = 55;
$right = 530;
$fontsize = 12;
$pagewidth = 595;
$pageheight = 842;
$fontsize = 12;
$infile  =  "stationery.pdf";
$baseopt =  "ruler        {   30 45     275   375    475} " .
	    "tabalignment { right left right right right} " .
	    "hortabmethod ruler fontsize 12 ";


/* This is where font/image/PDF input files live. Adjust as necessary. */
$searchpath = "../data";
$closingtext =
	"Terms of payment: <fillcolor={rgb 1 0 0}>30 days net. " .
	"<fillcolor={gray 0}>90 days warranty starting at the day of sale. " .
	"This warranty covers defects in workmanship only. " .
	"<fontname=Helvetica-BoldOblique encoding=host>Kraxi Systems, Inc. " .
	"<resetfont>will, at its option, repair or replace the " .
	"product under the warranty. This warranty is not transferable. " .
	"No returns or exchanges will be accepted for wet products.";

$data = array(  array("name"=>"Super Kite", 	"price"=>20,	"quantity"=>2),
		array("name"=>"Turbo Flyer", 	"price"=>40, 	"quantity"=>5),
		array("name"=>"Giga Trasch", 	"price"=>180, 	"quantity"=>1),
		array("name"=>"Bare Bone Kit", 	"price"=>50, 	"quantity"=>3),
		array("name"=>"Nitty Gritty", 	"price"=>20, 	"quantity"=>10),
		array("name"=>"Pretty Dark Flyer","price"=>75, 	"quantity"=>1),
		array("name"=>"Free Gift", 	"price"=>0, 	"quantity"=>1)
	    );

$months = array( "January", "February", "March", "April", "May", "June",
	    "July", "August", "September", "October", "November", "December");

$p = PDF_new();

# This means we must check return values of load_font() etc.
PDF_set_parameter($p, "errorpolicy", "return");

PDF_set_parameter($p, "SearchPath", $searchpath);

/*  open new PDF file; insert a file name to create the PDF on disk */
if (PDF_begin_document($p, "", "") == 0) {
    die("Error: " . PDF_get_errmsg($p));
}

/* This line is required to avoid problems on Japanese systems */
PDF_set_parameter($p, "hypertextencoding", "winansi");

PDF_set_info($p, "Creator", "invoice.php");
PDF_set_info($p, "Author", "Thomas Merz");
PDF_set_info($p, "Title", "PDFlib invoice generation demo (PHP)");

$stationery = PDF_open_pdi($p, $infile, "", 0);
if ($stationery == 0) {
    die("Error: " . PDF_get_errmsg($p));
}

$page = PDF_open_pdi_page($p, $stationery, 1, "");
if ($page == 0) {
    die("Error: " . PDF_get_errmsg($p));
}


$boldfont = PDF_load_font($p, "Helvetica-Bold", "winansi", "");
if ($boldfont == 0) {
    die("Error: " . PDF_get_errmsg($p));
}
$regularfont = PDF_load_font($p, "Helvetica", "winansi", "");
if ($regularfont == 0) {
    die("Error: " . PDF_get_errmsg($p));
}
$leading = $fontsize + 2;

/* Establish coordinates with the origin in the upper left corner. */
PDF_begin_page_ext($p, $pagewidth, $pageheight, "topdown");

PDF_fit_pdi_page($p, $page, 0, $pageheight, "");
PDF_close_pdi_page($p, $page);

PDF_setfont($p, $regularfont, $fontsize);

/* print the address */
$y = 170;
PDF_set_value($p, "leading", $leading);

PDF_show_xy($p, "John Q. Doe", $left, $y);
PDF_continue_text($p, "255 Customer Lane");
PDF_continue_text($p, "Suite B");
PDF_continue_text($p, "12345 User Town");
PDF_continue_text($p, "Everland");

/* print the header and date */

PDF_setfont($p, $boldfont, $fontsize);
$y = 300;
PDF_show_xy($p, "INVOICE", $left, $y);
$time = localtime();
$buf = sprintf("%s %d, %d", $months[$time[4]], $time[3], $time[5]+1900);
PDF_fit_textline($p, $buf, $right, $y, "position {100 0}");


/* print the invoice header line */
$y = 370;
$buf = sprintf("\tITEM\tDESCRIPTION\tQUANTITY\tPRICE\tAMOUNT");
$optlist = sprintf("%s font %d ", $baseopt, $boldfont);
$textflow = PDF_create_textflow($p, $buf, $optlist);

if ($textflow == 0){
    die("Error: " . PDF_get_errmsg($p));
}

PDF_fit_textflow($p, $textflow, $left, $y-$leading, $right, $y, "");
PDF_delete_textflow($p, $textflow);

$y += 2*$leading;
$total = 0;
$optlist = sprintf("%s font %d ", $baseopt, $regularfont);

for ($i = 0; $i < count($data); $i++) {
    $sum = $data[$i]{"price"}*$data[$i]{"quantity"};
    $buf = sprintf("\t%d\t%s\t%d\t%.2f\t%.2f", $i+1, $data[$i]{"name"},
    	$data[$i]{"quantity"}, $data[$i]{"price"}, $sum);

    $textflow = PDF_create_textflow($p, $buf, $optlist);

    if ($textflow == 0) {
	die("Error: " . PDF_get_errmsg($p));
    }

    PDF_fit_textflow($p, $textflow, $left, $y-$leading, $right, $y, "");
    PDF_delete_textflow($p, $textflow);

    $y += $leading;
    $total +=$sum;
}

$y += $leading;

PDF_setfont($p, $boldfont, $fontsize);
PDF_fit_textline($p,sprintf("%.2f",$total), $right, $y, "position {100 0}");

/* Print the closing text */

$y +=5*$leading;
$optlist  = "alignment=justify leading=120% ";
$optlist .= "fontname=Helvetica fontsize=12 encoding=winansi";

$textflow = PDF_create_textflow($p, $closingtext, $optlist);

if ($textflow == 0) {
    die("Error: " . PDF_get_errmsg($p));
}

PDF_fit_textflow($p, $textflow, $left, $y+6*$leading, $right, $y, "");
PDF_delete_textflow($p, $textflow);

PDF_end_page_ext($p, "");
PDF_end_document($p, "");
PDF_close_pdi($p, $stationery);

$buf = PDF_get_buffer($p);
$len = strlen($buf);

header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=hello.pdf");
print $buf;

PDF_delete($p);
?>
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