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<HR NOSHADE>
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<H2><A NAME="4_5">4.5 Choosing the image format for JpGraph</A></H2>
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<P> By default JpGraph automatically chooses the image format to use in
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the order PNG, JPEG and GIF. The exact format depends on what is
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available on your system. There are two ways you can influence the way
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the graphic format is chosen.</P>
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<OL>
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<LI> Change the default graphic format by changing the DEFINE<DIV class="phpscript">
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<CODE><FONT color="#000000"> <FONT color="#0000BB"> DEFINE</FONT><FONT color="#007700">
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(</FONT><FONT color="#DD0000">"DEFAULT_GFORMAT"</FONT><FONT color="#007700">
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,</FONT><FONT color="#DD0000">"auto"</FONT><FONT color="#007700">);</FONT><FONT
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color="#0000BB"></FONT></FONT></CODE></DIV>
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<P></P>
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</LI>
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<LI> Set the graphic format in your script by calling the method <A href="../ref/Image.html#_IMAGE_SETIMGFORMAT">
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SetImgFormat()</A> For example, to force your script to use JPEG in one
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specific image use<DIV class="phpscript"><CODE><FONT color="#000000"> <FONT
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color="#0000BB"> $graph</FONT><FONT color="#007700">-></FONT><FONT color="#0000BB">
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img</FONT><FONT color="#007700">-></FONT><FONT color="#0000BB">
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SetImgFormat</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
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"jpeg"</FONT><FONT color="#007700">)</FONT><FONT color="#0000BB"></FONT></FONT>
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</CODE></DIV>
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