From 6a2878a7ddbb4fc6522d694af62e1743da0c872f Mon Sep 17 00:00:00 2001
From: cos <cos>
Date: Sun, 25 Jan 2015 22:41:27 +0100
Subject: Initial commit of sheetprint script.

---
 sheetprint | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100755 sheetprint

diff --git a/sheetprint b/sheetprint
new file mode 100755
index 0000000..5ee0a38
--- /dev/null
+++ b/sheetprint
@@ -0,0 +1,73 @@
+#!/usr/bin/perl
+#
+# Sometimes it is handy to print an a4 sheet of labels through a regular
+# printer, rather than using a dedicated label printer. This script kind of
+# makes it possible.
+#
+# Add something like this line to /etc/mat.conf first:
+# print_command "mv /usr/local/mat/label.png /usr/local/mat/label-`date +%s`.png"
+
+use strict;
+use warnings;
+
+use GD;
+
+use constant DPI => 300;
+
+sub mm2dots
+{
+  my ( $mm ) = @_;
+
+  return ($mm/2.54/10*DPI);
+}
+
+my $a4 = new GD::Image(210/2.54/10*DPI, 297/2.54/10*DPI);
+my $white = $a4->colorAllocate(255,255,255);
+my $black = $a4->colorAllocate(0,0,0);
+$a4->fill(0, 0, $white);
+
+# Draw a cross
+$a4->line(0, 0, $a4->width(), $a4->height, $black);
+$a4->line($a4->width(), 0, 0, $a4->height, $black);
+
+# Draw some rulers
+for ( my $i = 1; $i < 297; $i++) {
+  if ( $i % 10 == 0 ) {
+    $a4->line(0, mm2dots($i), 20, mm2dots($i), $black);
+    $a4->line(mm2dots(105), mm2dots($i), mm2dots(105) + 20, mm2dots($i), $black);
+  } elsif ( $i % 5 == 0 )  {
+    $a4->line(0, mm2dots($i), 15, mm2dots($i), $black);
+    $a4->line(mm2dots(105), mm2dots($i), mm2dots(105) + 15, mm2dots($i), $black);
+  } else {
+    $a4->line(0, mm2dots($i), 10, mm2dots($i), $black);
+    $a4->line(mm2dots(105), mm2dots($i), mm2dots(105) + 10, mm2dots($i), $black);
+  }
+}
+for ( my $i = 1; $i < 210; $i++) {
+  if ( $i % 10 == 0 ) {
+    $a4->line(mm2dots($i), mm2dots(297), mm2dots($i), mm2dots(297) - 20, $black);
+    $a4->line(mm2dots($i), mm2dots(149), mm2dots($i), mm2dots(149) - 20, $black);
+  } elsif ( $i % 5 == 0 )  {
+    $a4->line(mm2dots($i), mm2dots(297), mm2dots($i), mm2dots(297) - 15, $black);
+    $a4->line(mm2dots($i), mm2dots(149), mm2dots($i), mm2dots(149) - 15, $black);
+  } else {
+    $a4->line(mm2dots($i), mm2dots(297), mm2dots($i), mm2dots(297) - 10, $black);
+    $a4->line(mm2dots($i), mm2dots(149), mm2dots($i), mm2dots(149) - 10, $black);
+  }
+}
+
+my $x = mm2dots(25);
+my $y = mm2dots(30);
+
+for my $filename ( `ls label-??????????.png` ) {
+  my $label = GD::Image->newFromPng($filename);
+  $a4->copy($label, $x, $y, 0, 0, $label->width(), $label->height());
+  $y += mm2dots(30);
+}
+
+open(PNGFILE, ">a4.png");
+print PNGFILE $a4->png;
+
+my $density = DPI * 1/2.54;
+
+system("convert -density $density -define pdf:fit-page=A4 a4.png a4.pdf");
-- 
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