html_graphs.php

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   {
    if (! $vals["vfcolor"]) { $vals["vfcolor"]="#000000"; }
    if (! $vals["hfcolor"]) { $vals["hfcolor"]="#000000"; }
    if (! $vals["vbgcolor"]) { $vals["vbgcolor"]="#ffffff"; }
    if (! $vals["hbgcolor"]) { $vals["hbgcolor"]="#ffffff"; }
    if (! $vals["cellpadding"]) { $vals["cellpadding"]=0; }
    if (! $vals["cellspacing"]) { $vals["cellspacing"]=0; }
    if (! $vals["border"]) { $vals["border"]=0; }
    if (! $vals["scale"]) { $vals["scale"]=1; }
    if (! $vals["namebgcolor"]) { $vals["namebgcolor"]="#ffffff"; }
    if (! $vals["valuebgcolor"]) { $vals["valuebgcolor"]="#ffffff"; }
    if (! $vals["namefcolor"]) { $vals["namefcolor"]="#000000"; }
    if (! $vals["valuefcolor"]) { $vals["valuefcolor"]="#000000"; }
    if (! $vals["doublefcolor"]) { $vals["doublefcolor"]="#886666"; }

    return ($vals);
   }

/*
####################################################################### 
#
#  Function:  horizontal_graph($names, $values, $bars, $vals) 
#
#   Purpose:  Prints out the actual data for the horizontal chart. 
#
####################################################################### 
*/
function horizontal_graph($names, $values, $bars, $vals) 
   {
    for( $i=0;$i<SizeOf($values);$i++ )
       { 
?>

	<tr>
	<td align="right" <?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["namebgcolor"] . '"'; }
?>>
		<span style="font-size: -1;color:"<?php
			echo $vals["namefcolor"];
		?>;<?php
			echo $vals["namefstyle"];
	echo "\">";
        echo "\n".$names[$i]; ?>
		</span>
	</td>

	<td  align="left" <?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }

	echo ">";

        // Decide if the value in bar is a color code or image.
        if (ereg("^#", $bars[$i]))
           { 
?>

		<table align="left" cellpadding="0" cellspacing="0" style="background-color:<?php echo $bars[$i] ?>" width="<?php echo $values[$i] * $vals["scale"] ?>">
			<tr><td>&nbsp;</td></tr>
		</table>

<?php
            }
         else
            {
             print '<img src="' . $bars[$i] . '"';
             print ' height="10" width="' . $values[$i] * $vals["scale"] . '" alt= "" />';
            }
        if (! $vals["noshowvals"])
           {
            print '		<em><span style="font-size: -2;color:' . $vals["valuefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $values[$i] . ")</span></em>";
           }
?>

	</td>
	</tr>
<?php
       } // endfor

   } // end horizontal_graph

/*
####################################################################### 
#
#  Function:  vertical_graph($names, $values, $bars, $vals) 
#
#   Purpose:  Prints out the actual data for the vertical chart. 
#
####################################################################### 
*/
function vertical_graph($names, $values, $bars, $vals) 
   {
    print "<tr>";

    for( $i=0;$i<SizeOf($values);$i++ )
       { 

        print '<td  align="center" valign="bottom" ';

        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }
        print ">";

        if (! $vals["noshowvals"])
           {
            print '<em><span style="font-size: -2;color:' . $vals["valuefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $values[$i] . ")</span></em><br />";
           }
?>

         <img src="<?php echo $bars[$i] ?>" width="5" height="<?php

        // Values of zero are displayed wrong because a image height of zero 
        // gives a strange behavior in Netscape. For this reason the height 
        // is set at 1 pixel if the value is zero. - Jan Diepens
        if ($values[$i] != 0)
           {
            echo $values[$i] * $vals["scale"];
           } 
        else 
           { 
            echo "1";
           } 
?>" alt="" />

         </td>
<?php
       } // endfor

    print "</tr><tr>";

    for( $i=0;$i<SizeOf($values);$i++ )
       { 
?>
        <td align="center" valign="top"

<?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["namebgcolor"] . '"'; }
?>
         >
		 <span style="font-size: -1;color:<?php echo $vals["namefcolor"] ?>;<?php echo $vals["namefstyle"] ?>">
         <?php echo $names[$i] ?>
         </span>
        </td>
<?php
       } // endfor

   } // end vertical_graph 

/*
####################################################################### 
#
#  Function:  double_horizontal_graph($names, $values, $bars, 
#                                     $vals, $dvalues, $dbars) 
#
#   Purpose:  Prints out the actual data for the double horizontal chart. 
#
####################################################################### 
*/
function double_horizontal_graph($names, $values, $bars, $vals, $dvalues, $dbars) 
   {
    for( $i=0;$i<SizeOf($values);$i++ )
       { 
?>
       <tr>
        <td align="right"
<?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["namebgcolor"] . '"'; }
?>
         >
		 <span style="font-size: -1;color:<?php echo $vals["namefcolor"] ?>;<?php echo $vals["namefstyle"] ?>">
         <?php echo $names[$i] ?>
         </span>
        </td>
        <td  align="left"
<?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }
?>
         >
         <table align="left" cellpadding="0" cellspacing="0" width="<?php echo $dvalues[$i] * $vals["scale"] ?>">
          <tr><td
<?php
        // Set background to a color if it starts with # or
        // an image otherwise.
        if (ereg("^#", $dbars[$i])) { print 'style="background-color:' . $dbars[$i] . '">'; }
        else { print 'background="' . $dbars[$i] . '">'; }
?>
           <nowrap>
<?php
        // Decide if the value in bar is a color code or image.
        if (ereg("^#", $bars[$i]))
           { 
?>
            <table align="left" cellpadding="0" cellspacing="0"
             style="background-color:"<?php echo $bars[$i] ?>"
             width="<?php echo $values[$i] * $vals["scale"] ?>">
             <tr><td>&nbsp</td></tr>
            </table>
<?php
            }
         else
            {
             print '<img src="' . $bars[$i] . '"';
             print ' height="10" width="' . $values[$i] * $vals["scale"] . '" alt="" />';
            }          

        if (! $vals["noshowvals"])
           {
            print '<em><span style="font-size: -3:color:' . $vals["valuefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $values[$i] . ")</span></em>";
           }
?>
           </nowrap>
          </td></tr>
         </table>
<?php
        if (! $vals["noshowvals"])
           {
            print '<em><span style="font-size:-3;color:' . $vals["doublefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $dvalues[$i] . ")</span></em>";
           }
?>
        </td>
       </tr>
<?php
       } // endfor

   } // end double_horizontal_graph

/*
####################################################################### 
#
#  Function:  double_vertical_graph($names, $values, $bars, $vals, $dvalues, $dbars) 
#
#   Purpose:  Prints out the actual data for the double vertical chart. 
#
#    Author: Jan Diepens
#
####################################################################### 
*/
function double_vertical_graph($names, $values, $bars, $vals, $dvalues, $dbars) 
   {
   // print "<tr>";

    for( $i=0;$i<SizeOf($values);$i++ )
       { 

        print '<td align="center" valign="bottom" ';
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }
        print ">";

	print '<table><tr><td align="center" valign="bottom" ';

        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }
        print ">";

        if (! $vals["noshowvals"])
           {
            print '<em><span style="font-size:-2;color:' . $vals["valuefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $values[$i] . ")</span></em><br />";
           }
?>

         <img src="<?php echo $bars[$i] ?>" width="10" height="<?php if ($values[$i]!=0){
		echo $values[$i] * $vals["scale"];
		} else { echo "1";} ?>" alt="" />
         </td><td align="center" valign="bottom"
<?php
         // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }
        print ">";

        if (! $vals["noshowvals"])
           {
            print '<em><span style="font-size:-2;color:' . $vals["doublefcolor"] . ';'
            . $vals["valuefstyle"] . '">(';
            print $dvalues[$i] . ")</span></em><br />";
           }
?>

         <img src="<?php echo $dbars[$i] ?>" width="10" height="<?php if ($dvalues[$i]!=0){
		echo $dvalues[$i] * $vals["scale"];
		} else { echo "1";} ?>" alt="" />
         </td></tr></table>
	 </td>
<?php
       } // endfor

    print "</tr><tr>";

    for( $i=0;$i<SizeOf($values);$i++ )
       { 
?>
        <td align="center" valign="top"

<?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["namebgcolor"] . '"'; }
?>
         >
		 <span style="font-size:-1;color:<?php echo $vals["namefcolor"] ?>;<?php echo $vals["namefstyle"] ?>">
         <?php echo $names[$i] ?>
         </span>
        </td>
<?php
       } // endfor

   } // end double_vertical_graph



/*
#######################################################################
#
#  Function:  horizontal_absolute_multi_graph($names, $multi_rows,
#                                             $colors, $vals,
#                                             $additive)
#	      $multi_rows - array of arrays of values (may be seen as
#             array of columns - column for first color, for second, etc.)
#             $colors - array of color names or codes
#	      $additive - treat data as absolute values (will be
#             differentiated for drawing, and hence should be non-decreasing
#             sequence) or additive (just stick one on another).
#
#   Purpose:  Prints out the actual data for the horizontal chart of
#             bars with multiple sections
#
#######################################################################
*/
function horizontal_multisection_graph($names, $multi_rows, $colors, $vals, $additive=false)
   {
    $subbars_num=SizeOf($multi_rows);
    for( $i=0;$i<SizeOf($names);$i++ )
       {
?>

	<tr>
	<td align="right" <?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["namebgcolor"] . '"'; }
?>>
		<span style="font-size:-1;color:<?php echo $vals["namefcolor"]; ?>;<?php echo $vals["namefstyle"]; ?>">
<?php
        echo "\n".$names[$i]; ?>
		</span>
	</td>

	<td  align="left" <?php
        // If a background was choosen don't print cell BGCOLOR
        if (! $vals["background"]) { print ' style="background-color:' . $vals["valuebgcolor"] . '"'; }

	echo ">";

        echo '<table align="left" border="0" cellpadding="0" cellspacing="0"><tr>'."\n";
        $prev_val=0;
        $shown=0;
	for( $j=0;$j<$subbars_num;$j++ ) {
        	$width=$multi_rows[$j][$i];
                if (!$additive) $width-=$prev_val;
                if ($width<=0 && ($j!=$subbars_num-1 || shown)) continue;
                // make sure that we show at least stump, but only one
                $shown=1;
                $prev_val=$multi_rows[$j][$i];
                $pix_width=$width * $vals["scale"];
                echo "<td style=\"background-color:".$colors[$j]."\" width=\"".$pix_width."\">&nbsp;</td>";
        }
        echo '</tr></table>';

        if (! $vals["noshowvals"])
           {
                print '		<em><span style="font-size:-2;color:' . $vals["valuefcolor"] . ';'
                . $vals["valuefstyle"] . '">&nbsp;(';
        	for( $j=0;$j<SizeOf($multi_rows);$j++ ) {
                        if ($j) print "/";
                        print $multi_rows[$j][$i];
                }
                print ")</span></em>";
           }
?>

	</td>
	</tr>
<?php
       } // endfor

   } // end horizontal_graph

function graph_calculate_scale($multi_rows,$width) {
	$max_value=0;
        $rows_num=count($multi_rows);

        for ($row_i = 0; $row_i < $rows_num; $row_i++) {
                $row=$multi_rows[$row_i];
               	$counter=count($row);

		for ($i = 0; $i < $counter; $i++) {
			if ($row[$i] > $max_value) {
				$max_value=$row[$i];
			}
		}
        }

	if ($max_value < 1) {
		$max_value=1;
	}

	$scale=($width/$max_value);
        return $scale;
}

?>