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colormap.pl
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#!/usr/bin/perl
#-------------------------------------------------------------
# OpenStreetMap tiles@home
#-----------------------------------------------------------------------------
# Copyright 2008, Matthias Julius
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#-----------------------------------------------------------------------------
use lib './lib';
use strict;
use tahconfig;
use XML::XPath ();
use CSS;
use File::Spec;
use Getopt::Long qw(GetOptions);
use GD;
#---------------------------------
my $option_output = 'simple';
my $number_colors = 256;
my $ConfigName;
my @layers;
GetOptions("simple" => sub { $option_output = "simple"; },
"wiki" => sub { $option_output = "wiki"; },
"wikka" => sub { $option_output = "wikka"; },
"palette" => sub { $option_output = "palette"; },
"colors=i" => \$number_colors,
"layer=s" => \@layers,
"config=s" => \$ConfigName,
);
# Read the config file
my %Config = ReadConfig(
"freemapdiskclient.conf", "general.conf",
"authentication.conf", "layers.conf",
"freemapdisk.conf"
);
# Handle the command-line
if ( defined $ConfigName ) {
AppendConfig ($ConfigName);
}
die "Usage: $0 <layer> [<layer>]" if not $layers[0];
my %color_table = (aliceblue => "#f0f8ff",
antiquewhite => "#faebd7",
aqua => "#00ffff",
aquamarine => "#7fffd4",
azure => "#f0ffff",
beige => "#f5f5dc",
bisque => "#ffe4c4",
black => "#000000",
blanchedalmond => "#ffebcd",
blue => "#0000ff",
blueviolet => "#8a2be2",
brown => "#a52a2a",
burlywood => "#deb887",
cadetblue => "#5f9ea0",
chartreuse => "#7fff00",
chocolate => "#d2691e",
coral => "#ff7f50",
cornflowerblue => "#6495ed",
cornsilk => "#fff8dc",
crimson => "#dc143c",
cyan => "#00ffff",
darkblue => "#00008b",
darkcyan => "#008b8b",
darkgoldenrod => "#b8840b",
darkgray => "#a9a9a9",
darkgreen => "#006400",
darkgrey => "#a9a9a9",
darkkhaki => "#bdb76b",
darkmagenta => "#8b008b",
darkolivegreen => "#556b2f",
darkorange => "#ff8c00",
darkorchid => "#9932cc",
darkred => "#8b0000",
darksalmon => "#e9967a",
darkseagreen => "#8fbc8f",
darkslateblue => "#483d8b",
darkslategray => "#2f4f4f",
darkslategrey => "#2f4f4f",
darkturquoise => "#00ced1",
darkviolet => "#9400d3",
deeppink => "#ff1493",
deepskyblue => "#00bfff",
dimgray => "#696969",
dimgrey => "#696969",
dodgerblue => "#1e90ff",
firebrick => "#b22222",
floralwhite => "#fffff0",
forestgreen => "#228b22",
fuchsia => "#ff00ff",
gainsboro => "#dcdcdc",
ghostwhite => "#f8f8ff",
gold => "#ffd700",
goldenrod => "#daa520",
gray => "#808080",
grey => "#808080",
green => "#008000",
greenyellow => "#adff2f",
honeydew => "#f0fff0",
hotpink => "#ff69b4",
indianred => "#cd5c5c",
indigo => "#4b0082",
ivory => "#fffff0",
khaki => "#f0e68c",
lavender => "#e6e6fa",
lavenderblush => "#fff0f5",
lawngreen => "#7cfc00",
lemonchiffon => "#fffacd",
lightblue => "#add8e6",
lightcoral => "#f08080",
lightcyan => "#e0ffff",
lightgoldenrodyellow => "#fafad2",
lightgray => "#d3d3d3",
lightgreen => "#90ee90",
lightgrey => "#d3d3d3",
lightpink => "#ffb6c1",
lightsalmon => "#ffa07a",
lightseagreen => "#20b2aa",
lightskyblue => "#87cefa",
lightslategray => "#778899",
lightslategrey => "#778899",
lightsteelblue => "#b0c4de",
lightyellow => "#ffffe0",
lime => "#00ff00",
limegreen => "#32cd32",
linen => "#faf0e6",
magenta => "#ff00ff",
maroon => "#800000",
mediumaquamarine => "#66cdaa",
mediumblue => "#0000cd",
mediumorchid => "#ba55d3",
mediumpurple => "#9370db",
mediumseagreen => "#3cb371",
mediumslateblue => "#7b68ee",
mediumspringgreen => "#00fa9a",
mediumturquoise => "#48d1cc",
mediumvioletred => "#c71585",
midnightblue => "#191970",
mintcream => "#f5fffa",
mistyrose => "#ffe4e1",
moccasin => "#ffe4b5",
navajowhite => "#ffdead",
navy => "#000080",
oldlace => "#fdf5e6",
olive => "#808000",
olivedrab => "#6b8e23",
orange => "#ffa500",
orangered => "#ff4500",
orchid => "#da70d6",
palegoldenrod => "#eee8aa",
palegreen => "#98fb98",
paleturquoise => "#afeeee",
palevioletred => "#db7093",
papayawhip => "#ffefd5",
peachpuff => "#ffdab9",
peru => "#cd853f",
pink => "#ffc0cb",
plum => "#dda0cb",
powderblue => "#b0e0e6",
purple => "#800080",
red => "#ff0000",
rosybrown => "#bc8f8f",
royalblue => "#4169e1",
saddlebrown => "#8b4513",
salmon => "#fa8072",
sandybrown => "#f4a460",
seagreen => "#2e8b57",
seashell => "#fff5ee",
sienna => "#a0522d",
silver => "#c0c0c0",
skyblue => "#87ceeb",
slateblue => "#6a5acd",
slategray => "#778090",
slategrey => "#778090",
snow => "#fffffa",
springgreen => "#00ff7f",
steelblue => "#4682b4",
tan => "#d2b48c",
teal => "#008080",
thistle => "#d8bfd8",
tomato => "#ff6347",
turquoise => "#40e0d0",
violet => "#ee82ee",
wheat => "#f5deb3",
white => "#ffffff",
whitesmoke => "#f5f5f5",
yellow => "#ffff00",
yellowgreen => "#9acd32");
my %color_table_reverse;
foreach my $key (sort(keys(%color_table))) {
$color_table_reverse{$color_table{$key}} = $key;
}
my $color;
my %colors;
my %include_files;
foreach my $layer (@layers) {
my $min_zoom = $Config{"Layer.${layer}.MinZoom"};
my $max_zoom = $Config{"Layer.${layer}.MaxZoom"};
for (my $zoom = $min_zoom; $zoom <= $max_zoom; $zoom++) {
my $rules_file = $Config{"Layer.${layer}.Rules.$zoom"};
my (undef, $rules_dir, undef) = File::Spec->splitpath($rules_file);
my $rules = XML::XPath->new(filename => $rules_file);
my $style_sheets = $rules->find("/rules/defs/style");
foreach my $style_sheet ($style_sheets->get_nodelist) {
next if (! $style_sheet->getAttribute("type") eq "text/css");
my $css = CSS->new();
$css->read_string($style_sheet->string_value);
foreach my $style (@{$css->{styles}}) {
foreach my $properties ($style->properties) {
foreach my $property (split(/;/, $properties)) {
if ($property =~ /^\s*(fill|stroke):\s*(#[0-9a-f]+|\w+)\s*/i) {
next if ($2 eq "none");
next if ($2 eq "url");
add_color($2) if ($2);
}
}
}
}
}
my @svg_elements = $rules->findnodes("/*/*/svg:*");
find_colors(@svg_elements);
my @includes = $rules->findnodes("/rules/include");
foreach my $include (@includes) {
$include_files{File::Spec->join($rules_dir, $include->getAttribute("ref"))}++;
}
}
}
my $symbol_dir = File::Spec->join("osmarender", "symbols");
if (opendir(SYMBOLDIR, $symbol_dir)) {
my @symbol_files = grep { /\.svg$/i } readdir(SYMBOLDIR);
closedir(SYMBOLDIR);
foreach my $symbol_file (@symbol_files) {
$include_files{File::Spec->join($symbol_dir, $symbol_file)}++;
}
}
foreach my $include_file (sort(keys(%include_files))) {
my $include_xml = XML::XPath->new(filename => $include_file);
my @svg_elements = $include_xml->findnodes("/svg/*");
find_colors(@svg_elements);
}
if ($option_output eq 'simple') {
output_simple();
}
elsif ($option_output eq 'wiki') {
output_wiki();
}
elsif ($option_output eq 'palette') {
output_palette();
}
elsif ($option_output eq 'wikka') {
output_wikka();
}
#################################################
sub output_wikka
{
my $i = 0;
foreach my $color (sort_colors()) {
$i++;
print "|| $i ||{background:$color;} $color || $color " . ((defined($color_table_reverse{$color})) ? " (" . $color_table_reverse{$color} . ")" : "") . " || " . $colors{$color} . "||\n";
}
}
sub output_simple
{
my $i = 0;
foreach my $key (sort_colors()) {
$i++;
print "$i - $key" . ((defined($color_table_reverse{$key})) ? " (" . $color_table_reverse{$key} . ")" : "") . ": " . $colors{$key} . "\n";
}
}
sub output_wiki
{
my $i = 0;
foreach my $color (sort_colors()) {
$i++;
print "| $i || style='background:$color;' | $color || $color " . ((defined($color_table_reverse{$color})) ? " (" . $color_table_reverse{$color} . ")" : "") . " || " . $colors{$color} . "\n";
print "|-\n";
}
}
sub output_palette
{
my @colors = sort_colors();
my $image_size = 16;
my $image = GD::Image->new($image_size, $image_size, 0);
for (my $y = 0; $y < $image_size; $y++) {
for (my $x = 0; $x < $image_size; $x++) {
my $i = $x + $image_size * $y;
last if (!defined($colors[$i]));
$colors[$i] =~ /#(..)(..)(..)/i;
my @rgb = (hex($1), hex($2), hex($3));
my $index = $image->colorAllocate(@rgb);
$image->setPixel($x, $y, $index);
print "$i ($x, $y): ${colors[$i]} - @rgb - $index\n";
}
}
my $png_data = $image->png();
foreach my $layer (@layers) {
my $png_file = "palette_$layer.png";
open(PNGFILE, "> $png_file") or die $!;
binmode(PNGFILE);
print PNGFILE $png_data;
}
}
sub sort_colors
{
my @colors;
foreach my $key (sort(keys(%colors))) {
push(@colors, $key) if ($key =~ /#([0-9a-f]{2})\1\1/i);
}
foreach my $key (sort(keys(%colors))) {
push(@colors, $key) if ($key !~ /#([0-9a-f]{2})\1\1/i);
}
return @colors;
}
sub add_color
{
$color = lc(shift);
if ($color !~ /^#/) {
$color = $color_table{$color};
}
$colors{$color}++;
}
sub find_colors
{
my @nodes = @_;
foreach my $node (@nodes) {
my $color = $node->getAttribute("fill");
add_color($color) if ($color and ($color ne "none"));
$color = $node->getAttribute("stroke");
add_color($color) if ($color and ($color ne "none"));
my @child_nodes = $node->getChildNodes;
find_colors(@child_nodes) if (@child_nodes);
}
}
sub AppendConfig {
my $Filename = shift();
open( my $fp, "<$Filename" ) || die("Can't open \"$Filename\" ($!)\n");
while ( my $Line = <$fp> ) {
$Line =~ s/#.*$//; # Comments
$Line =~ s/\s*$//; # Trailing whitespace
if (
$Line =~ m{
^
\s*
([A-Za-z0-9._-]+) # Keyword: just one single word no spaces
\s* # Optional whitespace
= # Equals
\s* # Optional whitespace
(.*) # Value
}x
)
{
# Store config options in a hash array
$Config{$1} = $2;
print "Found $1 ($2)\n" if (0); # debug option
}
}
close $fp;
}