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115 lines
8.8 KiB
115 lines
8.8 KiB
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
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<html> |
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<head> |
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> |
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<title>Line breaks and colors</title> |
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<link type="text/css" rel="stylesheet" href="../fpdf.css"> |
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</head> |
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<body> |
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<h1>Line breaks and colors</h1> |
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Let's continue with an example which prints justified paragraphs. It also illustrates the use |
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of colors. |
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<div class="source"> |
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<pre><code><?php |
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<span class="kw">require(</span><span class="str">'fpdf.php'</span><span class="kw">); |
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class </span>PDF <span class="kw">extends </span>FPDF |
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<span class="kw">{ |
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function </span>Header<span class="kw">() |
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{ |
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global </span>$title<span class="kw">; |
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|
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</span><span class="cmt">// Arial bold 15 |
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'B'</span><span class="kw">,</span>15<span class="kw">); |
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</span><span class="cmt">// Calculate width of title and position |
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</span>$w <span class="kw">= </span>$<span class="kw">this-></span>GetStringWidth<span class="kw">(</span>$title<span class="kw">)+</span>6<span class="kw">; |
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</span>$<span class="kw">this-></span>SetX<span class="kw">((</span>210<span class="kw">-</span>$w<span class="kw">)/</span>2<span class="kw">); |
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</span><span class="cmt">// Colors of frame, background and text |
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</span>$<span class="kw">this-></span>SetDrawColor<span class="kw">(</span>0<span class="kw">,</span>80<span class="kw">,</span>180<span class="kw">); |
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</span>$<span class="kw">this-></span>SetFillColor<span class="kw">(</span>230<span class="kw">,</span>230<span class="kw">,</span>0<span class="kw">); |
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</span>$<span class="kw">this-></span>SetTextColor<span class="kw">(</span>220<span class="kw">,</span>50<span class="kw">,</span>50<span class="kw">); |
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</span><span class="cmt">// Thickness of frame (1 mm) |
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</span>$<span class="kw">this-></span>SetLineWidth<span class="kw">(</span>1<span class="kw">); |
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</span><span class="cmt">// Title |
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">,</span>9<span class="kw">,</span>$title<span class="kw">,</span>1<span class="kw">,</span>1<span class="kw">,</span><span class="str">'C'</span><span class="kw">,</span>true<span class="kw">); |
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</span><span class="cmt">// Line break |
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</span>$<span class="kw">this-></span>Ln<span class="kw">(</span>10<span class="kw">); |
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} |
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function </span>Footer<span class="kw">() |
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{ |
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</span><span class="cmt">// Position at 1.5 cm from bottom |
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</span>$<span class="kw">this-></span>SetY<span class="kw">(-</span>15<span class="kw">); |
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</span><span class="cmt">// Arial italic 8 |
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">,</span>8<span class="kw">); |
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</span><span class="cmt">// Text color in gray |
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</span>$<span class="kw">this-></span>SetTextColor<span class="kw">(</span>128<span class="kw">); |
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</span><span class="cmt">// Page number |
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>0<span class="kw">,</span>10<span class="kw">,</span><span class="str">'Page '</span><span class="kw">.</span>$<span class="kw">this-></span>PageNo<span class="kw">(),</span>0<span class="kw">,</span>0<span class="kw">,</span><span class="str">'C'</span><span class="kw">); |
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} |
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function </span>ChapterTitle<span class="kw">(</span>$num<span class="kw">, </span>$label<span class="kw">) |
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{ |
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</span><span class="cmt">// Arial 12 |
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">); |
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</span><span class="cmt">// Background color |
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</span>$<span class="kw">this-></span>SetFillColor<span class="kw">(</span>200<span class="kw">,</span>220<span class="kw">,</span>255<span class="kw">); |
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</span><span class="cmt">// Title |
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>0<span class="kw">,</span>6<span class="kw">,</span><span class="str">"Chapter </span>$num<span class="str"> : </span>$label<span class="str">"</span><span class="kw">,</span>0<span class="kw">,</span>1<span class="kw">,</span><span class="str">'L'</span><span class="kw">,</span>true<span class="kw">); |
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</span><span class="cmt">// Line break |
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</span>$<span class="kw">this-></span>Ln<span class="kw">(</span>4<span class="kw">); |
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} |
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function </span>ChapterBody<span class="kw">(</span>$file<span class="kw">) |
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{ |
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</span><span class="cmt">// Read text file |
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</span>$txt <span class="kw">= </span>file_get_contents<span class="kw">(</span>$file<span class="kw">); |
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</span><span class="cmt">// Times 12 |
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">'Times'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">); |
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</span><span class="cmt">// Output justified text |
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</span>$<span class="kw">this-></span>MultiCell<span class="kw">(</span>0<span class="kw">,</span>5<span class="kw">,</span>$txt<span class="kw">); |
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</span><span class="cmt">// Line break |
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</span>$<span class="kw">this-></span>Ln<span class="kw">(); |
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</span><span class="cmt">// Mention in italics |
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">''</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">); |
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>0<span class="kw">,</span>5<span class="kw">,</span><span class="str">'(end of excerpt)'</span><span class="kw">); |
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} |
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function </span>PrintChapter<span class="kw">(</span>$num<span class="kw">, </span>$title<span class="kw">, </span>$file<span class="kw">) |
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{ |
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</span>$<span class="kw">this-></span>AddPage<span class="kw">(); |
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</span>$<span class="kw">this-></span>ChapterTitle<span class="kw">(</span>$num<span class="kw">,</span>$title<span class="kw">); |
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</span>$<span class="kw">this-></span>ChapterBody<span class="kw">(</span>$file<span class="kw">); |
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} |
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} |
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</span>$pdf <span class="kw">= new </span>PDF<span class="kw">(); |
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</span>$title <span class="kw">= </span><span class="str">'20000 Leagues Under the Seas'</span><span class="kw">; |
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</span>$pdf<span class="kw">-></span>SetTitle<span class="kw">(</span>$title<span class="kw">); |
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</span>$pdf<span class="kw">-></span>SetAuthor<span class="kw">(</span><span class="str">'Jules Verne'</span><span class="kw">); |
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</span>$pdf<span class="kw">-></span>PrintChapter<span class="kw">(</span>1<span class="kw">,</span><span class="str">'A RUNAWAY REEF'</span><span class="kw">,</span><span class="str">'20k_c1.txt'</span><span class="kw">); |
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</span>$pdf<span class="kw">-></span>PrintChapter<span class="kw">(</span>2<span class="kw">,</span><span class="str">'THE PROS AND CONS'</span><span class="kw">,</span><span class="str">'20k_c2.txt'</span><span class="kw">); |
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</span>$pdf<span class="kw">-></span>Output<span class="kw">(); |
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</span>?></code></pre> |
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</div> |
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<p class='demo'><a href='tuto3.php' target='_blank' class='demo'>[Demo]</a></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, |
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which is used here to calculate the position and the width of the frame surrounding the title. |
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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 |
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thickness of the line is set to 1 mm (instead of 0.2 by default) with <a href='../doc/setlinewidth.htm'>SetLineWidth()</a>. Finally, |
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we output the cell (the last parameter <code>true</code> indicates that the background must |
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be filled). |
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<br> |
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<br> |
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The method used to print the paragraphs is <a href='../doc/multicell.htm'>MultiCell()</a>. Each time a line reaches the |
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right extremity of the cell or a carriage return character is met, a line break is issued |
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and a new cell automatically created under the current one. Text is justified by default. |
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<br> |
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<br> |
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Two document properties are defined: the title (<a href='../doc/settitle.htm'>SetTitle()</a>) and the author (<a href='../doc/setauthor.htm'>SetAuthor()</a>). |
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There are several ways to view them in Adobe Reader. The first one is to open the file directly with |
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the reader, go to the File menu and choose the Properties option. The second one, also available from |
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the plug-in, is to right-click and select Document Properties. The third method is to type the Ctrl+D |
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key combination. |
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</body> |
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</html>
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