declare available themes

[mobile-ledger.git] / tools / gen-styles

diff --git a/tools/gen-styles b/tools/gen-styles
new file mode 100644 (file)
index 0000000..f4aecdf
--- /dev/null
+++ b/tools/gen-styles
@@ -0,0 +1,166 @@
+#!/usr/bin/perl
+
+use strict; use warnings; use utf8;
+
+sub hexTuple {
+       my ($r, $g, $b) = @_;
+       return sprintf('%02x%02x%02x', int(255*$r+0.5), int(255*$g+0.5), int(255*$b+0.5));
+}
+sub hsvHex {
+       my ($hue, $sat, $val ) = @_;
+       my $h = int($hue * 6);
+       my $f = $hue * 6 - $h;
+       my $p = $val * (1 - $sat);
+       my $q = $val * ( 1 - $f * $sat);
+       my $t = $val * ( 1 - (1-$f) * $sat);
+
+       return hexTuple($val, $t, $p) if $h == 0 or $h == 6;
+       return hexTuple($q, $val, $p) if $h == 1;
+       return hexTuple($p, $val, $t) if $h == 2;
+       return hexTuple($p, $q, $val) if $h == 3;
+       return hexTuple($t, $p, $val) if $h == 4;
+       return hexTuple($val, $p, $q) if $h == 5;
+
+       die $h;
+}
+
+# https://en.wikipedia.org/wiki/HSL_and_HSV#From_HSL
+sub hslHex {
+       my ($hue, $sat, $lig ) = @_;
+       my $h = ($hue * 6);
+       my $c = (1 - abs(2.0*$lig - 1)) * $sat;
+       my $h_mod_2 = $h - 2*int($h/2);
+       my $x = $c * (1 - abs($h_mod_2 - 1));
+       my ($r, $g, $b);
+       my $m = $lig - $c / 2.0;
+
+       return hexTuple($c + $m, $x + $m,  0 + $m) if $h < 1 or $h == 6;
+       return hexTuple($x + $m, $c + $m,  0 + $m) if $h < 2;
+       return hexTuple( 0 + $m, $c + $m, $x + $m) if $h < 3;
+       return hexTuple( 0 + $m, $x + $m, $c + $m) if $h < 4;
+       return hexTuple($x + $m,  0 + $m, $c + $m) if $h < 5;
+       return hexTuple($c + $m,  0 + $m, $x + $m) if $h < 6;
+
+       die $h;
+}
+
+my @hexDigit = split //, '0123456789abcdef';
+my %hexValue = map(
+               (lc($hexDigit[$_]) => $_, uc($hexDigit[$_]) => $_ ),
+               0..15 );
+
+sub min {
+       my $min = shift;
+
+       for (@_) { $min = $_ if $_ < $min }
+
+       return $min;
+}
+
+sub max {
+       my $max = shift;
+
+       for (@_) { $max = $_ if $_ > $max }
+
+       return $max;
+}
+
+sub hexToHSL {
+       my $hexTriplet = shift;
+       my ( $r,$g,$b ) = $hexTriplet =~ /^#?(..)(..)(..)/;
+       for ($r,$g,$b) {
+               my @d = split(//);
+               $_ = 16 * $hexValue{$d[0]} + $hexValue{$d[1]};
+       }
+
+       warn "$hexTriplet -> $r:$g:$b";
+
+       for ($r, $g, $b ) { $_ = $_ / 255.0 }
+
+       my $M = max($r, $g, $b);
+       my $m = min($r, $g, $b);
+       my $C = $M - $m;
+
+       my $h;
+       if ($C == 0) {
+               $h = 0;
+       }
+       elsif ( $r == $M ) {
+               $h = ($g-$b)/$C;
+               $h -= 6*int($h/6.0);
+       }
+       elsif ( $g == $M ) {
+               $h = ($b-$r)/$C + 2;
+       }
+       elsif ( $b == $M ) {
+               $h = ($r-$g)/$C + 4;
+       }
+       else { die "$C, $M, $r, $g, $b"; }
+
+       my $H = 60 * $h;
+       my $L = ($M + $m) / 2;
+
+       my $S = ( $L <= 0.5 ) ? $C/(2*$L) : $C / (2-2*$L);
+
+       return( $H, $S, $L );
+}
+
+my $baseColorHSV = [ hexToHSL('#935ff2') ];
+my $baseColorHue = $baseColorHSV->[0];
+warn sprintf( 'H:%1.4f S:%1.4f L:%1.4f', @$baseColorHSV );
+warn sprintf( 'H:%1.4f S:%1.4f L:%1.4f', hexToHSL('#3e148c') );
+
+my $baseTheme = "AppTheme.NoActionBar";
+
+# # hsb
+# for( my $hue = 0; $hue < 360; $hue += 15 ) {
+#      printf "<style name=\"%s.%d\" parent=\"%s\">\n",
+#              $baseTheme, $hue, $baseTheme;
+#      printf "  <item name=\"colorPrimary\">#%s</item>\n",
+#                      hsvHex($hue/360.0, 0.61, 0.95);
+#      printf "  <item name=\"colorPrimaryDark\">#%s</item>\n",
+#                      hsvHex($hue/360.0, 0.86, 0.55);
+#      printf "  <item name=\"colorAccent\">#%s</item>\n",
+#                      hsvHex(($hue-4)/360.0, 0.72, 0.82);
+#      printf "  <item name=\"drawer_background\">#ffffffff</item>\n";
+#      printf "  <item name=\"table_row_dark_bg\">#28%s</item>\n",
+#                      hsvHex($hue/360.0, 0.65, 0.83);
+#      printf "  <item name=\"table_row_light_bg\">#28%s</item>\n",
+#                      hsvHex($hue/360.0, 0.20, 1.00);
+#      printf "  <item name=\"header_border\">#80%s</item>\n",
+#                      hsvHex(($hue+6)/360.0, 0.86, 0.55);
+#      printf "</style>\n";
+# }
+
+# HSL
+hslStyleForHue($baseColorHue);
+for( my $hue = 0; $hue < 360; $hue += 15 ) {
+       hslStyleForHue($hue, $baseTheme);
+}
+
+sub hslStyleForHue {
+       my $hue = shift;
+       my $base = shift;
+
+       if ($base) {
+               printf "<style name=\"%s.%d\" parent=\"%s\">\n",
+                       $baseTheme, $hue, $baseTheme;
+       }
+       else {
+               printf "<style name=\"%s\">\n",
+                       $baseTheme;
+               printf "  <item name=\"windowActionBar\">false</item>\n";
+               printf "  <item name=\"windowNoTitle\">true</item>\n";
+               printf "  <item name=\"textColor\">#d0000000</item>\n";
+       }
+       printf "  <item name=\"colorPrimary\">#%s</item>\n",
+                       hslHex($hue/360.0, 0.60, 0.60);
+       printf "  <item name=\"colorAccent\">#%s</item>\n",
+                       hslHex($hue/360.0, 0.85, 0.50);
+       printf "  <item name=\"drawer_background\">#ffffffff</item>\n";
+       printf "  <item name=\"table_row_dark_bg\">#%s</item>\n",
+                       hslHex($hue/360.0, 0.85, 0.95);
+       printf "  <item name=\"table_row_light_bg\">#%s</item>\n",
+                       hslHex($hue/360.0, 0.85, 0.98);
+       printf "</style>\n";
+}