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hi,
i have a 24x22 data matrix, i want to assign different color for each value to get a coloful grid.
here is my code for color allocation:
for (my $ld = 1; $ld <= $#dataline; $ld++){
my $col = $dataline[$ld];
my $r = $grad_color[$col][0];
my $g = $grad_color[$col][1];
my $b = $grad_color[$col][2];
my $colorhere;
$colorhere = $im -> colorAllocate($r, $g, $b);
print "due $col,$r,$g,$b," if ($verbose == 1);
$im->filledRectangle(
$origin[0] + $factor*$ld,
$origin[1] + $factor*$lineNo,
$origin[0] + $factor + $factor*$ld,
$origin[1] + $factor + $factor*$lineNo,
$colorhere);
this way, i can only assign the right color to the first 12.5 row, all the others show only one color ( they are having differenct $r, $g and $g). it looks to me that the gd.pm has some limitation to assign colors. if it is true, what is the limitation ?
thanks.
yong
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