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Alexander Schwarz
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<div style="font-weight: bold;margin-left:15px;">canvasex01.php</div><link rel="stylesheet" href="../phphl.css" type="text/css"><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code"> </span><span class="hl-comment">//</span><span class="hl-comment"> content=&quot;text/plain; charset=utf-8&quot;</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> </span><span class="hl-inlinedoc">$Id: canvasex01.php,v 1.3 2002/10/23 08:17:23 aditus Exp $</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/jpgraph.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/jpgraph_canvas.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup a basic canvas we can work </span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$g</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">CanvasGraph</span><span class="hl-brackets">(</span><span class="hl-number">400</span><span class="hl-code">,</span><span class="hl-number">300</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">auto</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMargin</span><span class="hl-brackets">(</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">11</span><span class="hl-code">,</span><span class="hl-number">6</span><span class="hl-code">,</span><span class="hl-number">11</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetShadow</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMarginColor</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">teal</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> We need to stroke the plotarea and margin before we add the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> text since we otherwise would overwrite the text.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">InitFrame</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Draw a text box in the middle</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$txt</span><span class="hl-code">=</span><span class="hl-quotes">&quot;</span><span class="hl-string">This</span><span class="hl-special">\n</span><span class="hl-string">is</span><span class="hl-special">\n</span><span class="hl-string">a TEXT!!!</span><span class="hl-quotes">&quot;</span><span class="hl-code">;
</span><span class="hl-var">$t</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Text</span><span class="hl-brackets">(</span><span class="hl-var">$txt</span><span class="hl-code">,</span><span class="hl-number">200</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$t</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">40</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> How should the text box interpret the coordinates?</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$t</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Align</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">center</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">top</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> How should the paragraph be aligned?</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$t</span><span class="hl-code">-&gt;</span><span class="hl-identifier">ParagraphAlign</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">center</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Add a box around the text, white fill, black border and gray shadow</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$t</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetBox</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">white</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-quotes">&quot;</span><span class="hl-string">black</span><span class="hl-quotes">&quot;</span><span class="hl-code">,</span><span class="hl-quotes">&quot;</span><span class="hl-string">gray</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Stroke the text</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$t</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">img</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Stroke the graph</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$g</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>