X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/d04b40e629676a9b8fdd015d4b432e121925749b..16fb9fc2233f3a3c0b61aee034da4c49979e30c2:/termcol.plp

diff --git a/termcol.plp b/termcol.plp
index 0b3d236..04157ef 100644
--- a/termcol.plp
+++ b/termcol.plp
@@ -14,6 +14,8 @@ Html({
 	stylesheet => [qw'light dark'],
 });
 
+my $imgfile = exists $get{img} && 'indi.png';
+
 my @termlist;
 push @termlist, split /\W+/, $ENV{PATH_INFO} || 'default';
 
@@ -42,6 +44,7 @@ print
 
 <div class="section">
 <:
+use 5.010;
 use Shiar_Sheet::Colour '1.03';
 use List::Util qw( min max );
 
@@ -69,6 +72,28 @@ sub colcell {
 	return "$out\n";
 }
 
+sub img_egapal {
+	my ($palette) = @_;
+	return eval {
+		require MIME::Base64;
+		require Digest::CRC;
+
+		local $/;
+		open my $img, '<:bytes', "data/$imgfile" or die "$!\n";
+		my $imgdata = readline $img;
+
+		my $offset = 0x29 - 4;
+		my $len = 16 * 3;
+		my $chunklen = $len + 4;
+		substr($imgdata, $offset+4, $len) = pack 'H*', join '', @{$palette};
+		my ($p, $crc) = unpack "x${offset}a${chunklen}N", $imgdata;
+		substr($imgdata, $offset+4+$len, 4) = pack 'N', Digest::CRC::crc32($p);
+
+		return sprintf '<img src="data:image/png;base64,%s">',
+			MIME::Base64::encode_base64($imgdata);
+	} || $@;
+}
+
 for my $term (@termlist) {
 	my $info = $palettes->{$term};
 	ref $info eq 'HASH' or next;
@@ -104,6 +129,8 @@ for my $term (@termlist) {
 			$name = [ $name, ['#333'] ] if $term eq 'xkcd';
 			print '<tr>', colcell($name, $rgb);
 		}
+
+		print '<tr><td>', img_egapal(\@{$colours}) if $imgfile;
 		print "</table>\n\n";
 	}
 }
@@ -168,10 +195,17 @@ sub coltable_hsv {
 		my $colbreak = scalar map { @$_ } @colmap;  # same width as hue rows
 		for my $num (sort { $greymap{$a} <=> $greymap{$b} } keys %greymap) {
 			$out .= '<tr>' unless $col++ % $colbreak;
-			$out .= colcell($num, ($greymap{$num}) x 3);
+			$out .= colcell($num, ($greymap{$num}));
 		}
 	}
 
+	if ($imgfile) {
+		my @palette = map { [ @{$_}[1 .. 3] ] } map {@$_} map {@$_} @colmap;
+		my $imgdata = img_egapal(\@palette);
+		my $tablespan = scalar map { @$_ } @colmap;
+		$out .= "<tr><td colspan=$tablespan>$imgdata";
+	}
+
 	return $out;
 }