egroupware/phpgwapi/inc/fpdf/tutorial/tuto2.htm
2004-06-04 06:17:23 +00:00

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HTML
Executable File

<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1">
<TITLE>Header, footer, page break and image</TITLE>
<LINK TYPE="text/css" REL="stylesheet" HREF="../fpdf.css">
</HEAD>
<BODY>
<H2>Header, footer, page break and image</H2>
Here is a two page example with header, footer and logo:
<BR>
<BR>
<TABLE WIDTH="100%" STYLE="color:#4040C0; border-style:ridge" BORDERCOLORLIGHT="#B0B0E0" BORDERCOLORDARK="#000000" BORDER="2" CELLPADDING=6 CELLSPACING=0 BGCOLOR="#F0F5FF"><TR><TD style="border-width:0px">
<NOBR><code><font color="#000000">
&lt;?php<br>define<font class="kw">(</font><font class="str">'FPDF_FONTPATH'</font><font class="kw">,</font><font class="str">'font/'</font><font class="kw">);<br>require(</font><font class="str">'fpdf.php'</font><font class="kw">);<br><br>class </font>PDF <font class="kw">extends </font>FPDF<br><font class="kw">{<br></font><font class="cmt">//Page header<br></font><font class="kw">function </font>Header<font class="kw">()<br>{<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Logo<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>Image<font class="kw">(</font><font class="str">'logo_pb.png'</font><font class="kw">,</font>10<font class="kw">,</font>8<font class="kw">,</font>33<font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Arial bold 15<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>SetFont<font class="kw">(</font><font class="str">'Arial'</font><font class="kw">,</font><font class="str">'B'</font><font class="kw">,</font>15<font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Move to the right<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>Cell<font class="kw">(</font>80<font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Title<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>Cell<font class="kw">(</font>30<font class="kw">,</font>10<font class="kw">,</font><font class="str">'Title'</font><font class="kw">,</font>1<font class="kw">,</font>0<font class="kw">,</font><font class="str">'C'</font><font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Line break<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>Ln<font class="kw">(</font>20<font class="kw">);<br>}<br><br></font><font class="cmt">//Page footer<br></font><font class="kw">function </font>Footer<font class="kw">()<br>{<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Position at 1.5 cm from bottom<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>SetY<font class="kw">(-</font>15<font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Arial italic 8<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>SetFont<font class="kw">(</font><font class="str">'Arial'</font><font class="kw">,</font><font class="str">'I'</font><font class="kw">,</font>8<font class="kw">);<br>&nbsp;&nbsp;&nbsp;&nbsp;</font><font class="cmt">//Page number<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$<font class="kw">this-&gt;</font>Cell<font class="kw">(</font>0<font class="kw">,</font>10<font class="kw">,</font><font class="str">'Page '</font><font class="kw">.</font>$<font class="kw">this-&gt;</font>PageNo<font class="kw">().</font><font class="str">'/{nb}'</font><font class="kw">,</font>0<font class="kw">,</font>0<font class="kw">,</font><font class="str">'C'</font><font class="kw">);<br>}<br>}<br><br></font><font class="cmt">//Instanciation of inherited class<br></font>$pdf<font class="kw">=new </font>PDF<font class="kw">();<br></font>$pdf<font class="kw">-&gt;</font>AliasNbPages<font class="kw">();<br></font>$pdf<font class="kw">-&gt;</font>AddPage<font class="kw">();<br></font>$pdf<font class="kw">-&gt;</font>SetFont<font class="kw">(</font><font class="str">'Times'</font><font class="kw">,</font><font class="str">''</font><font class="kw">,</font>12<font class="kw">);<br>for(</font>$i<font class="kw">=</font>1<font class="kw">;</font>$i<font class="kw">&lt;=</font>40<font class="kw">;</font>$i<font class="kw">++)<br>&nbsp;&nbsp;&nbsp;&nbsp;</font>$pdf<font class="kw">-&gt;</font>Cell<font class="kw">(</font>0<font class="kw">,</font>10<font class="kw">,</font><font class="str">'Printing line number '</font><font class="kw">.</font>$i<font class="kw">,</font>0<font class="kw">,</font>1<font class="kw">);<br></font>$pdf<font class="kw">-&gt;</font>Output<font class="kw">();<br></font>?&gt;
</font>
</code></NOBR></TD></TR></TABLE><P></P>
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This example makes use of the <A HREF='../doc/header.htm'>Header()</A> and <A HREF='../doc/footer.htm'>Footer()</A> methods to process page headers and
footers. They are called automatically. They already exist in the FPDF class but do nothing,
therefore we have to extend the class and override them.
<BR>
<BR>
The logo is printed with the <A HREF='../doc/image.htm'>Image()</A> method by specifying its upper-left corner and
its width. The height is calculated automatically to respect the image proportions.
<BR>
<BR>
To print the page number, a null value is passed as the cell width. It means that the cell
should extend up to the right margin of the page; it is handy to center text. The current page
number is returned by the <A HREF='../doc/pageno.htm'>PageNo()</A> method; as for the total number of pages, it is obtained
by means of the special value <TT>{nb}</TT> which will be substituted on document closure
(provided you first called <A HREF='../doc/aliasnbpages.htm'>AliasNbPages()</A>).
<BR>
Note the use of the <A HREF='../doc/sety.htm'>SetY()</A> method which allows to set position at an absolute location in
the page, starting from the top or the bottom.
<BR>
<BR>
Another interesting feature is used here: the automatic page breaking. As soon as a cell would
cross a limit in the page (at 2 centimeters from the bottom by default), a break is performed
and the font restored. Although the header and footer select their own font (Arial), the body
continues with Times. This mechanism of automatic restoration also applies to colors and line
width. The limit which triggers page breaks can be set with <A HREF='../doc/setautopagebreak.htm'>SetAutoPageBreak()</A>.
</BODY>
</HTML>