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- <TITLE>Line breaks and colors</TITLE>
- <LINK TYPE="text/css" REL="stylesheet" HREF="../fpdf.css">
- </HEAD>
- <BODY>
- <H2>Line breaks and colors</H2>
- Let's continue with an example which prints justified paragraphs. It also illustrates the use
- of colors.
- <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">
- <?php<br><font class="kw">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>function </font>Header<font class="kw">()<br>{<br> global </font>$title<font class="kw">;<br><br> </font><font class="cmt">//Arial bold 15<br> </font>$<font class="kw">this-></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> </font><font class="cmt">//Calculate width of title and position<br> </font>$w<font class="kw">=</font>$<font class="kw">this-></font>GetStringWidth<font class="kw">(</font>$title<font class="kw">)+</font>6<font class="kw">;<br> </font>$<font class="kw">this-></font>SetX<font class="kw">((</font>210<font class="kw">-</font>$w<font class="kw">)/</font>2<font class="kw">);<br> </font><font class="cmt">//Colors of frame, background and text<br> </font>$<font class="kw">this-></font>SetDrawColor<font class="kw">(</font>0<font class="kw">,</font>80<font class="kw">,</font>180<font class="kw">);<br> </font>$<font class="kw">this-></font>SetFillColor<font class="kw">(</font>230<font class="kw">,</font>230<font class="kw">,</font>0<font class="kw">);<br> </font>$<font class="kw">this-></font>SetTextColor<font class="kw">(</font>220<font class="kw">,</font>50<font class="kw">,</font>50<font class="kw">);<br> </font><font class="cmt">//Thickness of frame (1 mm)<br> </font>$<font class="kw">this-></font>SetLineWidth<font class="kw">(</font>1<font class="kw">);<br> </font><font class="cmt">//Title<br> </font>$<font class="kw">this-></font>Cell<font class="kw">(</font>$w<font class="kw">,</font>9<font class="kw">,</font>$title<font class="kw">,</font>1<font class="kw">,</font>1<font class="kw">,</font><font class="str">'C'</font><font class="kw">,</font>1<font class="kw">);<br> </font><font class="cmt">//Line break<br> </font>$<font class="kw">this-></font>Ln<font class="kw">(</font>10<font class="kw">);<br>}<br><br>function </font>Footer<font class="kw">()<br>{<br> </font><font class="cmt">//Position at 1.5 cm from bottom<br> </font>$<font class="kw">this-></font>SetY<font class="kw">(-</font>15<font class="kw">);<br> </font><font class="cmt">//Arial italic 8<br> </font>$<font class="kw">this-></font>SetFont<font class="kw">(</font><font class="str">'Arial'</font><font class="kw">,</font><font class="str">'I'</font><font class="kw">,</font>8<font class="kw">);<br> </font><font class="cmt">//Text color in gray<br> </font>$<font class="kw">this-></font>SetTextColor<font class="kw">(</font>128<font class="kw">);<br> </font><font class="cmt">//Page number<br> </font>$<font class="kw">this-></font>Cell<font class="kw">(</font>0<font class="kw">,</font>10<font class="kw">,</font><font class="str">'Page '</font><font class="kw">.</font>$<font class="kw">this-></font>PageNo<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>function </font>ChapterTitle<font class="kw">(</font>$num<font class="kw">,</font>$label<font class="kw">)<br>{<br> </font><font class="cmt">//Arial 12<br> </font>$<font class="kw">this-></font>SetFont<font class="kw">(</font><font class="str">'Arial'</font><font class="kw">,</font><font class="str">''</font><font class="kw">,</font>12<font class="kw">);<br> </font><font class="cmt">//Background color<br> </font>$<font class="kw">this-></font>SetFillColor<font class="kw">(</font>200<font class="kw">,</font>220<font class="kw">,</font>255<font class="kw">);<br> </font><font class="cmt">//Title<br> </font>$<font class="kw">this-></font>Cell<font class="kw">(</font>0<font class="kw">,</font>6<font class="kw">,</font><font class="str">"Chapter $num : $label"</font><font class="kw">,</font>0<font class="kw">,</font>1<font class="kw">,</font><font class="str">'L'</font><font class="kw">,</font>1<font class="kw">);<br> </font><font class="cmt">//Line break<br> </font>$<font class="kw">this-></font>Ln<font class="kw">(</font>4<font class="kw">);<br>}<br><br>function </font>ChapterBody<font class="kw">(</font>$file<font class="kw">)<br>{<br> </font><font class="cmt">//Read text file<br> </font>$f<font class="kw">=</font>fopen<font class="kw">(</font>$file<font class="kw">,</font><font class="str">'r'</font><font class="kw">);<br> </font>$txt<font class="kw">=</font>fread<font class="kw">(</font>$f<font class="kw">,</font>filesize<font class="kw">(</font>$file<font class="kw">));<br> </font>fclose<font class="kw">(</font>$f<font class="kw">);<br> </font><font class="cmt">//Times 12<br> </font>$<font class="kw">this-></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> </font><font class="cmt">//Output justified text<br> </font>$<font class="kw">this-></font>MultiCell<font class="kw">(</font>0<font class="kw">,</font>5<font class="kw">,</font>$txt<font class="kw">);<br> </font><font class="cmt">//Line break<br> </font>$<font class="kw">this-></font>Ln<font class="kw">();<br> </font><font class="cmt">//Mention in italics<br> </font>$<font class="kw">this-></font>SetFont<font class="kw">(</font><font class="str">''</font><font class="kw">,</font><font class="str">'I'</font><font class="kw">);<br> </font>$<font class="kw">this-></font>Cell<font class="kw">(</font>0<font class="kw">,</font>5<font class="kw">,</font><font class="str">'(end of excerpt)'</font><font class="kw">);<br>}<br><br>function </font>PrintChapter<font class="kw">(</font>$num<font class="kw">,</font>$title<font class="kw">,</font>$file<font class="kw">)<br>{<br> </font>$<font class="kw">this-></font>AddPage<font class="kw">();<br> </font>$<font class="kw">this-></font>ChapterTitle<font class="kw">(</font>$num<font class="kw">,</font>$title<font class="kw">);<br> </font>$<font class="kw">this-></font>ChapterBody<font class="kw">(</font>$file<font class="kw">);<br>}<br>}<br><br></font>$pdf<font class="kw">=new </font>PDF<font class="kw">();<br></font>$title<font class="kw">=</font><font class="str">'20000 Leagues Under the Seas'</font><font class="kw">;<br></font>$pdf<font class="kw">-></font>SetTitle<font class="kw">(</font>$title<font class="kw">);<br></font>$pdf<font class="kw">-></font>SetAuthor<font class="kw">(</font><font class="str">'Jules Verne'</font><font class="kw">);<br></font>$pdf<font class="kw">-></font>PrintChapter<font class="kw">(</font>1<font class="kw">,</font><font class="str">'A RUNAWAY REEF'</font><font class="kw">,</font><font class="str">'20k_c1.txt'</font><font class="kw">);<br></font>$pdf<font class="kw">-></font>PrintChapter<font class="kw">(</font>2<font class="kw">,</font><font class="str">'THE PROS AND CONS'</font><font class="kw">,</font><font class="str">'20k_c2.txt'</font><font class="kw">);<br></font>$pdf<font class="kw">-></font>Output<font class="kw">();<br></font>?>
- </font>
- </code></NOBR></TD></TR></TABLE><P></P>
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- The <A HREF='../doc/getstringwidth.htm'>GetStringWidth()</A> method allows to determine the length of a string in the current font,
- which is used here to calculate the position and the width of the frame surrounding the title.
- Then colors are set (via <A HREF='../doc/setdrawcolor.htm'>SetDrawColor()</A>, <A HREF='../doc/setfillcolor.htm'>SetFillColor()</A> and <A HREF='../doc/settextcolor.htm'>SetTextColor()</A>) and the
- thickness of the line is set to 1 mm (against 0.2 by default) with <A HREF='../doc/setlinewidth.htm'>SetLineWidth()</A>. Finally,
- we output the cell (the last parameter to 1 indicates that the background must be filled).
- <BR>
- <BR>
- The method used to print the paragraphs is <A HREF='../doc/multicell.htm'>MultiCell()</A>. Each time a line reaches the
- right extremity of the cell or a carriage-return character is met, a line break is issued
- and a new cell automatically created under the current one. Text is justified by default.
- <BR>
- <BR>
- Two document properties are defined: title (<A HREF='../doc/settitle.htm'>SetTitle()</A>) and author (<A HREF='../doc/setauthor.htm'>SetAuthor()</A>).
- Properties can be viewed by two means. First is open the document directly with Acrobat Reader,
- go to the File menu, Document info, General. Second, also available from the plug-in, is click
- on the triangle just above the right scrollbar and choose Document info.
- </BODY>
- </HTML>
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