From c9129ed66317abfcd8e7689ef77199bd86bf5309 Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Sun, 23 Oct 2016 18:34:19 +0100
Subject: works

---
 Changes               |  2 ++
 dist.ini              |  2 --
 lib/Data/QRCode.pm    | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 lib/Data/QRCode/XS.pm | 43 ++++++-------------------------------------
 t/base.t              | 31 +++++++++++++++++++++++++++++++
 5 files changed, 85 insertions(+), 39 deletions(-)
 create mode 100644 Changes
 create mode 100644 lib/Data/QRCode.pm
 create mode 100644 t/base.t

diff --git a/Changes b/Changes
new file mode 100644
index 0000000..0ca684d
--- /dev/null
+++ b/Changes
@@ -0,0 +1,2 @@
+{{$NEXT}}
+ - first attempt
diff --git a/dist.ini b/dist.ini
index 5f6eec3..2c9422e 100644
--- a/dist.ini
+++ b/dist.ini
@@ -59,8 +59,6 @@ dir = scripts
 
 [ShareDir]
 
-[MakeMaker]
-
 [Manifest]
 
 [License]
diff --git a/lib/Data/QRCode.pm b/lib/Data/QRCode.pm
new file mode 100644
index 0000000..680e251
--- /dev/null
+++ b/lib/Data/QRCode.pm
@@ -0,0 +1,46 @@
+package Data::QRCode;
+use strict;
+use warnings;
+# ABSTRACT: qrcodes in C
+# VERSION
+use Data::QRCode::XS;
+
+my %levels = (
+    L => Data::QRCode::XS::ECLEVEL_L(),
+    M => Data::QRCode::XS::ECLEVEL_M(),
+    Q => Data::QRCode::XS::ECLEVEL_Q(),
+    H => Data::QRCode::XS::ECLEVEL_H(),
+);
+
+sub new {
+    my ($class, $data, $level, $version) = @_;
+    $version ||= 0;
+    $level = $levels{uc $level} || Data::QRCode::XS::ECLEVEL_M();
+    return Data::QRCode::XS::_build($class,$data,$level,$version);
+}
+
+sub width { Data::QRCode::XS::width(@_) }
+
+sub version { Data::QRCode::XS::version(@_) }
+
+sub data_at {
+    my ($self,$x,$y) = @_;
+    my $width = $self->width;
+    if ($x < 0 or $x >= $width or $y < 0 or $y >= $width) {
+        return;
+    }
+    my $value = Data::QRCode::XS::_data_at($self,$x,$y);
+
+    return {
+        color        => $value & 0x01,
+        in_data      => $value & 0x02,
+        in_format    => $value & 0x04,
+        in_version   => $value & 0x08,
+        in_timing    => $value & 0x10,
+        in_alignment => $value & 0x20,
+        in_finder    => $value & 0x40,
+        in_misc      => $value & 0x80,
+    };
+}
+
+1;
diff --git a/lib/Data/QRCode/XS.pm b/lib/Data/QRCode/XS.pm
index f42940f..f46cba6 100644
--- a/lib/Data/QRCode/XS.pm
+++ b/lib/Data/QRCode/XS.pm
@@ -1,63 +1,32 @@
 package Data::QRCode::XS;
 use strict;
 use warnings;
+# ABSTRACT: qrcodes in C
 # VERSION
 use Alien::QREncode;
 use Data::QRCode::XS::Inline C => ( );
 
-my %levels = (
-    L => ECLEVEL_L,
-    M => ECLEVEL_M,
-    Q => ECLEVEL_Q,
-    H => ECLEVEL_H,
-);
-
-sub new {
-    my ($class, $data, $level, $version) = @_;
-    $version ||= 0;
-    $level = $levels{uc $level} || ECLEVEL_M;
-    return _build($class,$data,$level,$version);
-}
-
-sub data_at {
-    my ($self,$x,$y) = @_;
-    my $width = $self->width;
-    if ($x < 0 or $x >= $width or $y < 0 or $y >= $width) {
-        return;
-    }
-    my $value = _data_at($self,$x,$y);
-
-    return {
-        color        => $value & 0x01,
-        in_data      => $value & 0x02,
-        in_format    => $value & 0x04,
-        in_version   => $value & 0x08,
-        in_timing    => $value & 0x10,
-        in_alignment => $value & 0x20,
-        in_finder    => $value & 0x40,
-        in_misc      => $value & 0x80,
-    };
-}
-
 1;
 
 __DATA__
 
 __C__
 
+#include "qrencode.h"
+
 int ECLEVEL_L() { return QR_ECLEVEL_L; }
 int ECLEVEL_M() { return QR_ECLEVEL_M; }
 int ECLEVEL_Q() { return QR_ECLEVEL_Q; }
 int ECLEVEL_H() { return QR_ECLEVEL_H; }
 
-SV* _build(const char* class, const SV* data, int level, int version ) {
+SV* _build(const char* class, SV* data, int level, int version ) {
     unsigned char * str;
     STRLEN len;
     SV * qrsv; SV* self;
     QRcode* qr_code;
 
     str = SvPVutf8(data,len);
-    qr_code = QRcode_encodeData(len,data,version,(QRecLevel)level);
+    qr_code = QRcode_encodeData(len,str,version,(QRecLevel)level);
     qrsv = newSViv((IV)qr_code);
     self = newRV_noinc(qrsv);
     sv_bless(self, gv_stashpv(class, GV_ADD));
@@ -81,5 +50,5 @@ void DESTROY(SV* self) {
 
 int _data_at(SV* self, int x, int y) {
     QRcode* qr_code = (QRcode*)SvIV(SvRV(self));
-    return qr_code->data[x+y*width];
+    return qr_code->data[x+y*qr_code->width];
 }
diff --git a/t/base.t b/t/base.t
new file mode 100644
index 0000000..25bda6a
--- /dev/null
+++ b/t/base.t
@@ -0,0 +1,31 @@
+#!perl
+use strict;
+use warnings;
+use Test2::Bundle::Extended;
+use Data::QRCode;
+
+my $qr = Data::QRCode->new('some words','M');
+
+my $text;
+for my $y (0..$qr->width-1) {
+    for my $x (0..$qr->width-1) {
+        my $data = $qr->data_at($x,$y);
+        $text .= (
+            !$data->{color} ? ' ' :
+                $data->{in_data} ? 'D' :
+                $data->{in_format} ? 'F' :
+                $data->{in_version} ? 'V' :
+                $data->{in_timing} ? 'T' :
+                $data->{in_alignment} ? 'A' :
+                $data->{in_finder} ? 'R' :
+                '*'
+            );
+    }
+    $text .= "\n";
+}
+
+note $text;
+
+ok($text);
+
+done_testing;
-- 
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