commitid.scad.pl: Generate 2D name inside gentextmodule; docs

[reprap-play.git] / commitid.scad.pl

diff --git a/commitid.scad.pl b/commitid.scad.pl
index ee9be882723147703c2054fff2e1151a51ea7c44..fbf1231597968fa1cd5bd2de847f2a8992956148 100755 (executable)
--- a/commitid.scad.pl
+++ b/commitid.scad.pl
@@ -15,8 +15,12 @@ $SIG{__WARN__} = sub { die @_; };
 #
 # For each form we have
 #
-#    module Commitid_Form_2D(.4)
-#    module Commitid_Form()
+#    module Commitid_Form_2D() { ... }
+#    module Commitid_Form() { ... }
+#
+#  These have their origin in the bottom left corner.  The 3D model
+#  is a positive, has its origin halfway through, and is twice the
+#  depth in height, so it can be added or subtracted.
 #
 # And we provide
 #
@@ -62,6 +66,7 @@ $SIG{__WARN__} = sub { die @_; };
 sub p { print @_ or die $!; }
 
 p <<'END';
+// *** AUTOGENERATED - DO NOT EDIT *** //
 function Commitid_pixelsz() =
   ($Commitid_pixelsz       ? $Commitid_pixelsz       : 0.4) *
   ($Commitid_scale         ? $Commitid_scale         : 1.0);
@@ -78,6 +83,28 @@ sub chrmodname ($) {
     return "Commitid__chr_$chrx";
 }
 
+sub gentextmodule ($@) {
+    my ($form, @lines) = @_;
+    my $modb = "Commitid_$form";
+    p "module ${modb}_2D(){\n";
+    p " scale(Commitid__scale()){\n";
+    my $y = @lines;
+    foreach my $line (@lines) {
+       $y--;
+       my $x = 0;
+       foreach my $chr (split //, $line) {
+           next if $chr !~ m/\S/;
+           p sprintf "  translate([%d * 0.8, %d * 1.2]) %s();\n",
+               $x, $y, chrmodname $chr;
+           $x++;
+       }
+    }
+    p " }\n";
+    p "}\n";
+}
+
+our @demo;
+
 sub parsefont () {
     my %cellmap;
     for (;;) {
@@ -91,6 +118,7 @@ sub parsefont () {
     my %chrpolys;
     while (<DATA>) {
        next unless m/\S/;
+       chomp;
        my @chrs = split / /, $_;
        <DATA> !~ m/\S/ or die;
        foreach my $row (reverse 0..4) {
@@ -124,7 +152,7 @@ sub parsefont () {
        }    
     }
 
-    my @demo;
+    my $demo = '';
     my $democols = 6;
     foreach my $chr (sort keys %chrpolys) {
        my $mod = chrmodname $chr;
@@ -142,22 +170,14 @@ sub parsefont () {
            p "]);\n";
        }
        p "}\n";
-       my $px = @demo % $democols;
-       my $py = int(@demo / $democols);
-       push @demo, " scale( Commitid__scale() ) translate([$px * 0.800, $py * 1.200]) 
- $mod ();\n";
+       $demo .= $chr;
     }
-    p "module Commitid_FontDemo(){\n";
-    p $_ foreach @demo;
-    p "}\n";
-
-#    use Data::Dumper;
-#    print Dumper(\%chrpolys);
+    @demo = reverse $demo =~ m{.{1,$democols}}go;
 }
 
 parsefont();
 
-#p "Commitid_FontDemo();\n";
+gentextmodule('FontDemo', @demo);
 
 __DATA__