Add whatsappmulti buildflag for whatsapp with multidevice support (whatsapp)

1 files changed, 3050 insertions, 0 deletions

diff --git a/vendor/github.com/skip2/go-qrcode/version.go b/vendor/github.com/skip2/go-qrcode/version.go
new file mode 100644
index 00000000..738cf3d3
--- /dev/null
+++ b/vendor/github.com/skip2/go-qrcode/version.go
@@ -0,0 +1,3050 @@
+// go-qrcode
+// Copyright 2014 Tom Harwood
+
+package qrcode
+
+import (
+	"log"
+
+	bitset "github.com/skip2/go-qrcode/bitset"
+)
+
+// Error detection/recovery capacity.
+//
+// There are several levels of error detection/recovery capacity. Higher levels
+// of error recovery are able to correct more errors, with the trade-off of
+// increased symbol size.
+type RecoveryLevel int
+
+const (
+	// Level L: 7% error recovery.
+	Low RecoveryLevel = iota
+
+	// Level M: 15% error recovery. Good default choice.
+	Medium
+
+	// Level Q: 25% error recovery.
+	High
+
+	// Level H: 30% error recovery.
+	Highest
+)
+
+// qrCodeVersion describes the data length and encoding order of a single QR
+// Code version. There are 40 versions numbers x 4 recovery levels == 160
+// possible qrCodeVersion structures.
+type qrCodeVersion struct {
+	// Version number (1-40 inclusive).
+	version int
+
+	// Error recovery level.
+	level RecoveryLevel
+
+	dataEncoderType dataEncoderType
+
+	// Encoded data can be split into multiple blocks. Each block contains data
+	// and error recovery bytes.
+	//
+	// Larger QR Codes contain more blocks.
+	block []block
+
+	// Number of bits required to pad the combined data & error correction bit
+	// stream up to the symbol's full capacity.
+	numRemainderBits int
+}
+
+type block struct {
+	numBlocks int
+
+	// Total codewords (numCodewords == numErrorCodewords+numDataCodewords).
+	numCodewords int
+
+	// Number of data codewords.
+	numDataCodewords int
+}
+
+var (
+	versions = []qrCodeVersion{
+		{
+			1,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					26,
+					19,
+				},
+			},
+			0,
+		},
+		{
+			1,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					26,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			1,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					26,
+					13,
+				},
+			},
+			0,
+		},
+		{
+			1,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					26,
+					9,
+				},
+			},
+			0,
+		},
+		{
+			2,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					44,
+					34,
+				},
+			},
+			7,
+		},
+		{
+			2,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					44,
+					28,
+				},
+			},
+			7,
+		},
+		{
+			2,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					44,
+					22,
+				},
+			},
+			7,
+		},
+		{
+			2,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					44,
+					16,
+				},
+			},
+			7,
+		},
+		{
+			3,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					70,
+					55,
+				},
+			},
+			7,
+		},
+		{
+			3,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					70,
+					44,
+				},
+			},
+			7,
+		},
+		{
+			3,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					35,
+					17,
+				},
+			},
+			7,
+		},
+		{
+			3,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					35,
+					13,
+				},
+			},
+			7,
+		},
+		{
+			4,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					100,
+					80,
+				},
+			},
+			7,
+		},
+		{
+			4,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					50,
+					32,
+				},
+			},
+			7,
+		},
+		{
+			4,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					50,
+					24,
+				},
+			},
+			7,
+		},
+		{
+			4,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					25,
+					9,
+				},
+			},
+			7,
+		},
+		{
+			5,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					1,
+					134,
+					108,
+				},
+			},
+			7,
+		},
+		{
+			5,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					67,
+					43,
+				},
+			},
+			7,
+		},
+		{
+			5,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					33,
+					15,
+				},
+				{
+					2,
+					34,
+					16,
+				},
+			},
+			7,
+		},
+		{
+			5,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					33,
+					11,
+				},
+				{
+					2,
+					34,
+					12,
+				},
+			},
+			7,
+		},
+		{
+			6,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					86,
+					68,
+				},
+			},
+			7,
+		},
+		{
+			6,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					43,
+					27,
+				},
+			},
+			7,
+		},
+		{
+			6,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					43,
+					19,
+				},
+			},
+			7,
+		},
+		{
+			6,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					43,
+					15,
+				},
+			},
+			7,
+		},
+		{
+			7,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					98,
+					78,
+				},
+			},
+			0,
+		},
+		{
+			7,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					49,
+					31,
+				},
+			},
+			0,
+		},
+		{
+			7,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					32,
+					14,
+				},
+				{
+					4,
+					33,
+					15,
+				},
+			},
+			0,
+		},
+		{
+			7,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					39,
+					13,
+				},
+				{
+					1,
+					40,
+					14,
+				},
+			},
+			0,
+		},
+		{
+			8,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					121,
+					97,
+				},
+			},
+			0,
+		},
+		{
+			8,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					60,
+					38,
+				},
+				{
+					2,
+					61,
+					39,
+				},
+			},
+			0,
+		},
+		{
+			8,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					40,
+					18,
+				},
+				{
+					2,
+					41,
+					19,
+				},
+			},
+			0,
+		},
+		{
+			8,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					40,
+					14,
+				},
+				{
+					2,
+					41,
+					15,
+				},
+			},
+			0,
+		},
+		{
+			9,
+			Low,
+			dataEncoderType1To9,
+			[]block{
+				{
+					2,
+					146,
+					116,
+				},
+			},
+			0,
+		},
+		{
+			9,
+			Medium,
+			dataEncoderType1To9,
+			[]block{
+				{
+					3,
+					58,
+					36,
+				},
+				{
+					2,
+					59,
+					37,
+				},
+			},
+			0,
+		},
+		{
+			9,
+			High,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					36,
+					16,
+				},
+				{
+					4,
+					37,
+					17,
+				},
+			},
+			0,
+		},
+		{
+			9,
+			Highest,
+			dataEncoderType1To9,
+			[]block{
+				{
+					4,
+					36,
+					12,
+				},
+				{
+					4,
+					37,
+					13,
+				},
+			},
+			0,
+		},
+		{
+			10,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					2,
+					86,
+					68,
+				},
+				{
+					2,
+					87,
+					69,
+				},
+			},
+			0,
+		},
+		{
+			10,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					69,
+					43,
+				},
+				{
+					1,
+					70,
+					44,
+				},
+			},
+			0,
+		},
+		{
+			10,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					6,
+					43,
+					19,
+				},
+				{
+					2,
+					44,
+					20,
+				},
+			},
+			0,
+		},
+		{
+			10,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					6,
+					43,
+					15,
+				},
+				{
+					2,
+					44,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			11,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					101,
+					81,
+				},
+			},
+			0,
+		},
+		{
+			11,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					1,
+					80,
+					50,
+				},
+				{
+					4,
+					81,
+					51,
+				},
+			},
+			0,
+		},
+		{
+			11,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					50,
+					22,
+				},
+				{
+					4,
+					51,
+					23,
+				},
+			},
+			0,
+		},
+		{
+			11,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					36,
+					12,
+				},
+				{
+					8,
+					37,
+					13,
+				},
+			},
+			0,
+		},
+		{
+			12,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					2,
+					116,
+					92,
+				},
+				{
+					2,
+					117,
+					93,
+				},
+			},
+			0,
+		},
+		{
+			12,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					6,
+					58,
+					36,
+				},
+				{
+					2,
+					59,
+					37,
+				},
+			},
+			0,
+		},
+		{
+			12,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					46,
+					20,
+				},
+				{
+					6,
+					47,
+					21,
+				},
+			},
+			0,
+		},
+		{
+			12,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					7,
+					42,
+					14,
+				},
+				{
+					4,
+					43,
+					15,
+				},
+			},
+			0,
+		},
+		{
+			13,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					133,
+					107,
+				},
+			},
+			0,
+		},
+		{
+			13,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					8,
+					59,
+					37,
+				},
+				{
+					1,
+					60,
+					38,
+				},
+			},
+			0,
+		},
+		{
+			13,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					8,
+					44,
+					20,
+				},
+				{
+					4,
+					45,
+					21,
+				},
+			},
+			0,
+		},
+		{
+			13,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					12,
+					33,
+					11,
+				},
+				{
+					4,
+					34,
+					12,
+				},
+			},
+			0,
+		},
+		{
+			14,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					145,
+					115,
+				},
+				{
+					1,
+					146,
+					116,
+				},
+			},
+			3,
+		},
+		{
+			14,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					64,
+					40,
+				},
+				{
+					5,
+					65,
+					41,
+				},
+			},
+			3,
+		},
+		{
+			14,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					11,
+					36,
+					16,
+				},
+				{
+					5,
+					37,
+					17,
+				},
+			},
+			3,
+		},
+		{
+			14,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					11,
+					36,
+					12,
+				},
+				{
+					5,
+					37,
+					13,
+				},
+			},
+			3,
+		},
+		{
+			15,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					5,
+					109,
+					87,
+				},
+				{
+					1,
+					110,
+					88,
+				},
+			},
+			3,
+		},
+		{
+			15,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					5,
+					65,
+					41,
+				},
+				{
+					5,
+					66,
+					42,
+				},
+			},
+			3,
+		},
+		{
+			15,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					5,
+					54,
+					24,
+				},
+				{
+					7,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			15,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					11,
+					36,
+					12,
+				},
+				{
+					7,
+					37,
+					13,
+				},
+			},
+			3,
+		},
+		{
+			16,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					5,
+					122,
+					98,
+				},
+				{
+					1,
+					123,
+					99,
+				},
+			},
+			3,
+		},
+		{
+			16,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					7,
+					73,
+					45,
+				},
+				{
+					3,
+					74,
+					46,
+				},
+			},
+			3,
+		},
+		{
+			16,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					15,
+					43,
+					19,
+				},
+				{
+					2,
+					44,
+					20,
+				},
+			},
+			3,
+		},
+		{
+			16,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					45,
+					15,
+				},
+				{
+					13,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			17,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					1,
+					135,
+					107,
+				},
+				{
+					5,
+					136,
+					108,
+				},
+			},
+			3,
+		},
+		{
+			17,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					10,
+					74,
+					46,
+				},
+				{
+					1,
+					75,
+					47,
+				},
+			},
+			3,
+		},
+		{
+			17,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					1,
+					50,
+					22,
+				},
+				{
+					15,
+					51,
+					23,
+				},
+			},
+			3,
+		},
+		{
+			17,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					2,
+					42,
+					14,
+				},
+				{
+					17,
+					43,
+					15,
+				},
+			},
+			3,
+		},
+		{
+			18,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					5,
+					150,
+					120,
+				},
+				{
+					1,
+					151,
+					121,
+				},
+			},
+			3,
+		},
+		{
+			18,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					9,
+					69,
+					43,
+				},
+				{
+					4,
+					70,
+					44,
+				},
+			},
+			3,
+		},
+		{
+			18,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					17,
+					50,
+					22,
+				},
+				{
+					1,
+					51,
+					23,
+				},
+			},
+			3,
+		},
+		{
+			18,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					2,
+					42,
+					14,
+				},
+				{
+					19,
+					43,
+					15,
+				},
+			},
+			3,
+		},
+		{
+			19,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					141,
+					113,
+				},
+				{
+					4,
+					142,
+					114,
+				},
+			},
+			3,
+		},
+		{
+			19,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					70,
+					44,
+				},
+				{
+					11,
+					71,
+					45,
+				},
+			},
+			3,
+		},
+		{
+			19,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					17,
+					47,
+					21,
+				},
+				{
+					4,
+					48,
+					22,
+				},
+			},
+			3,
+		},
+		{
+			19,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					9,
+					39,
+					13,
+				},
+				{
+					16,
+					40,
+					14,
+				},
+			},
+			3,
+		},
+		{
+			20,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					135,
+					107,
+				},
+				{
+					5,
+					136,
+					108,
+				},
+			},
+			3,
+		},
+		{
+			20,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					3,
+					67,
+					41,
+				},
+				{
+					13,
+					68,
+					42,
+				},
+			},
+			3,
+		},
+		{
+			20,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					15,
+					54,
+					24,
+				},
+				{
+					5,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			20,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					15,
+					43,
+					15,
+				},
+				{
+					10,
+					44,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			21,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					144,
+					116,
+				},
+				{
+					4,
+					145,
+					117,
+				},
+			},
+			4,
+		},
+		{
+			21,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					17,
+					68,
+					42,
+				},
+			},
+			4,
+		},
+		{
+			21,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					17,
+					50,
+					22,
+				},
+				{
+					6,
+					51,
+					23,
+				},
+			},
+			4,
+		},
+		{
+			21,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					19,
+					46,
+					16,
+				},
+				{
+					6,
+					47,
+					17,
+				},
+			},
+			4,
+		},
+		{
+			22,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					2,
+					139,
+					111,
+				},
+				{
+					7,
+					140,
+					112,
+				},
+			},
+			4,
+		},
+		{
+			22,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					17,
+					74,
+					46,
+				},
+			},
+			4,
+		},
+		{
+			22,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					7,
+					54,
+					24,
+				},
+				{
+					16,
+					55,
+					25,
+				},
+			},
+			4,
+		},
+		{
+			22,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					34,
+					37,
+					13,
+				},
+			},
+			4,
+		},
+		{
+			23,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					151,
+					121,
+				},
+				{
+					5,
+					152,
+					122,
+				},
+			},
+			4,
+		},
+		{
+			23,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					4,
+					75,
+					47,
+				},
+				{
+					14,
+					76,
+					48,
+				},
+			},
+			4,
+		},
+		{
+			23,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					11,
+					54,
+					24,
+				},
+				{
+					14,
+					55,
+					25,
+				},
+			},
+			4,
+		},
+		{
+			23,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					16,
+					45,
+					15,
+				},
+				{
+					14,
+					46,
+					16,
+				},
+			},
+			4,
+		},
+		{
+			24,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					6,
+					147,
+					117,
+				},
+				{
+					4,
+					148,
+					118,
+				},
+			},
+			4,
+		},
+		{
+			24,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					6,
+					73,
+					45,
+				},
+				{
+					14,
+					74,
+					46,
+				},
+			},
+			4,
+		},
+		{
+			24,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					11,
+					54,
+					24,
+				},
+				{
+					16,
+					55,
+					25,
+				},
+			},
+			4,
+		},
+		{
+			24,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					30,
+					46,
+					16,
+				},
+				{
+					2,
+					47,
+					17,
+				},
+			},
+			4,
+		},
+		{
+			25,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					8,
+					132,
+					106,
+				},
+				{
+					4,
+					133,
+					107,
+				},
+			},
+			4,
+		},
+		{
+			25,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					8,
+					75,
+					47,
+				},
+				{
+					13,
+					76,
+					48,
+				},
+			},
+			4,
+		},
+		{
+			25,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					7,
+					54,
+					24,
+				},
+				{
+					22,
+					55,
+					25,
+				},
+			},
+			4,
+		},
+		{
+			25,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					22,
+					45,
+					15,
+				},
+				{
+					13,
+					46,
+					16,
+				},
+			},
+			4,
+		},
+		{
+			26,
+			Low,
+			dataEncoderType10To26,
+			[]block{
+				{
+					10,
+					142,
+					114,
+				},
+				{
+					2,
+					143,
+					115,
+				},
+			},
+			4,
+		},
+		{
+			26,
+			Medium,
+			dataEncoderType10To26,
+			[]block{
+				{
+					19,
+					74,
+					46,
+				},
+				{
+					4,
+					75,
+					47,
+				},
+			},
+			4,
+		},
+		{
+			26,
+			High,
+			dataEncoderType10To26,
+			[]block{
+				{
+					28,
+					50,
+					22,
+				},
+				{
+					6,
+					51,
+					23,
+				},
+			},
+			4,
+		},
+		{
+			26,
+			Highest,
+			dataEncoderType10To26,
+			[]block{
+				{
+					33,
+					46,
+					16,
+				},
+				{
+					4,
+					47,
+					17,
+				},
+			},
+			4,
+		},
+		{
+			27,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					8,
+					152,
+					122,
+				},
+				{
+					4,
+					153,
+					123,
+				},
+			},
+			4,
+		},
+		{
+			27,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					22,
+					73,
+					45,
+				},
+				{
+					3,
+					74,
+					46,
+				},
+			},
+			4,
+		},
+		{
+			27,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					8,
+					53,
+					23,
+				},
+				{
+					26,
+					54,
+					24,
+				},
+			},
+			4,
+		},
+		{
+			27,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					12,
+					45,
+					15,
+				},
+				{
+					28,
+					46,
+					16,
+				},
+			},
+			4,
+		},
+		{
+			28,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					3,
+					147,
+					117,
+				},
+				{
+					10,
+					148,
+					118,
+				},
+			},
+			3,
+		},
+		{
+			28,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					3,
+					73,
+					45,
+				},
+				{
+					23,
+					74,
+					46,
+				},
+			},
+			3,
+		},
+		{
+			28,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					4,
+					54,
+					24,
+				},
+				{
+					31,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			28,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					11,
+					45,
+					15,
+				},
+				{
+					31,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			29,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					7,
+					146,
+					116,
+				},
+				{
+					7,
+					147,
+					117,
+				},
+			},
+			3,
+		},
+		{
+			29,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					21,
+					73,
+					45,
+				},
+				{
+					7,
+					74,
+					46,
+				},
+			},
+			3,
+		},
+		{
+			29,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					1,
+					53,
+					23,
+				},
+				{
+					37,
+					54,
+					24,
+				},
+			},
+			3,
+		},
+		{
+			29,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					19,
+					45,
+					15,
+				},
+				{
+					26,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			30,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					5,
+					145,
+					115,
+				},
+				{
+					10,
+					146,
+					116,
+				},
+			},
+			3,
+		},
+		{
+			30,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					19,
+					75,
+					47,
+				},
+				{
+					10,
+					76,
+					48,
+				},
+			},
+			3,
+		},
+		{
+			30,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					15,
+					54,
+					24,
+				},
+				{
+					25,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			30,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					23,
+					45,
+					15,
+				},
+				{
+					25,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			31,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					13,
+					145,
+					115,
+				},
+				{
+					3,
+					146,
+					116,
+				},
+			},
+			3,
+		},
+		{
+			31,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					2,
+					74,
+					46,
+				},
+				{
+					29,
+					75,
+					47,
+				},
+			},
+			3,
+		},
+		{
+			31,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					42,
+					54,
+					24,
+				},
+				{
+					1,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			31,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					23,
+					45,
+					15,
+				},
+				{
+					28,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			32,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					17,
+					145,
+					115,
+				},
+			},
+			3,
+		},
+		{
+			32,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					10,
+					74,
+					46,
+				},
+				{
+					23,
+					75,
+					47,
+				},
+			},
+			3,
+		},
+		{
+			32,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					10,
+					54,
+					24,
+				},
+				{
+					35,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			32,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					19,
+					45,
+					15,
+				},
+				{
+					35,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			33,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					17,
+					145,
+					115,
+				},
+				{
+					1,
+					146,
+					116,
+				},
+			},
+			3,
+		},
+		{
+			33,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					14,
+					74,
+					46,
+				},
+				{
+					21,
+					75,
+					47,
+				},
+			},
+			3,
+		},
+		{
+			33,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					29,
+					54,
+					24,
+				},
+				{
+					19,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			33,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					11,
+					45,
+					15,
+				},
+				{
+					46,
+					46,
+					16,
+				},
+			},
+			3,
+		},
+		{
+			34,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					13,
+					145,
+					115,
+				},
+				{
+					6,
+					146,
+					116,
+				},
+			},
+			3,
+		},
+		{
+			34,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					14,
+					74,
+					46,
+				},
+				{
+					23,
+					75,
+					47,
+				},
+			},
+			3,
+		},
+		{
+			34,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					44,
+					54,
+					24,
+				},
+				{
+					7,
+					55,
+					25,
+				},
+			},
+			3,
+		},
+		{
+			34,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					59,
+					46,
+					16,
+				},
+				{
+					1,
+					47,
+					17,
+				},
+			},
+			3,
+		},
+		{
+			35,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					12,
+					151,
+					121,
+				},
+				{
+					7,
+					152,
+					122,
+				},
+			},
+			0,
+		},
+		{
+			35,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					12,
+					75,
+					47,
+				},
+				{
+					26,
+					76,
+					48,
+				},
+			},
+			0,
+		},
+		{
+			35,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					39,
+					54,
+					24,
+				},
+				{
+					14,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			35,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					22,
+					45,
+					15,
+				},
+				{
+					41,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			36,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					6,
+					151,
+					121,
+				},
+				{
+					14,
+					152,
+					122,
+				},
+			},
+			0,
+		},
+		{
+			36,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					6,
+					75,
+					47,
+				},
+				{
+					34,
+					76,
+					48,
+				},
+			},
+			0,
+		},
+		{
+			36,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					46,
+					54,
+					24,
+				},
+				{
+					10,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			36,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					2,
+					45,
+					15,
+				},
+				{
+					64,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			37,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					17,
+					152,
+					122,
+				},
+				{
+					4,
+					153,
+					123,
+				},
+			},
+			0,
+		},
+		{
+			37,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					29,
+					74,
+					46,
+				},
+				{
+					14,
+					75,
+					47,
+				},
+			},
+			0,
+		},
+		{
+			37,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					49,
+					54,
+					24,
+				},
+				{
+					10,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			37,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					24,
+					45,
+					15,
+				},
+				{
+					46,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			38,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					4,
+					152,
+					122,
+				},
+				{
+					18,
+					153,
+					123,
+				},
+			},
+			0,
+		},
+		{
+			38,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					13,
+					74,
+					46,
+				},
+				{
+					32,
+					75,
+					47,
+				},
+			},
+			0,
+		},
+		{
+			38,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					48,
+					54,
+					24,
+				},
+				{
+					14,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			38,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					42,
+					45,
+					15,
+				},
+				{
+					32,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			39,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					20,
+					147,
+					117,
+				},
+				{
+					4,
+					148,
+					118,
+				},
+			},
+			0,
+		},
+		{
+			39,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					40,
+					75,
+					47,
+				},
+				{
+					7,
+					76,
+					48,
+				},
+			},
+			0,
+		},
+		{
+			39,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					43,
+					54,
+					24,
+				},
+				{
+					22,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			39,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					10,
+					45,
+					15,
+				},
+				{
+					67,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+		{
+			40,
+			Low,
+			dataEncoderType27To40,
+			[]block{
+				{
+					19,
+					148,
+					118,
+				},
+				{
+					6,
+					149,
+					119,
+				},
+			},
+			0,
+		},
+		{
+			40,
+			Medium,
+			dataEncoderType27To40,
+			[]block{
+				{
+					18,
+					75,
+					47,
+				},
+				{
+					31,
+					76,
+					48,
+				},
+			},
+			0,
+		},
+		{
+			40,
+			High,
+			dataEncoderType27To40,
+			[]block{
+				{
+					34,
+					54,
+					24,
+				},
+				{
+					34,
+					55,
+					25,
+				},
+			},
+			0,
+		},
+		{
+			40,
+			Highest,
+			dataEncoderType27To40,
+			[]block{
+				{
+					20,
+					45,
+					15,
+				},
+				{
+					61,
+					46,
+					16,
+				},
+			},
+			0,
+		},
+	}
+)
+
+var (
+	// Each QR Code contains a 15-bit Format Information value.  The 15 bits
+	// consist of 5 data bits concatenated with 10 error correction bits.
+	//
+	// The 5 data bits consist of:
+	// - 2 bits for the error correction level (L=01, M=00, G=11, H=10).
+	// - 3 bits for the data mask pattern identifier.
+	//
+	// formatBitSequence is a mapping from the 5 data bits to the completed 15-bit
+	// Format Information value.
+	//
+	// For example, a QR Code using error correction level L, and data mask
+	// pattern identifier 001:
+	//
+	// 01 | 001 = 01001 = 0x9
+	// formatBitSequence[0x9].qrCode = 0x72f3 = 111001011110011
+	formatBitSequence = []struct {
+		regular uint32
+		micro   uint32
+	}{
+		{0x5412, 0x4445},
+		{0x5125, 0x4172},
+		{0x5e7c, 0x4e2b},
+		{0x5b4b, 0x4b1c},
+		{0x45f9, 0x55ae},
+		{0x40ce, 0x5099},
+		{0x4f97, 0x5fc0},
+		{0x4aa0, 0x5af7},
+		{0x77c4, 0x6793},
+		{0x72f3, 0x62a4},
+		{0x7daa, 0x6dfd},
+		{0x789d, 0x68ca},
+		{0x662f, 0x7678},
+		{0x6318, 0x734f},
+		{0x6c41, 0x7c16},
+		{0x6976, 0x7921},
+		{0x1689, 0x06de},
+		{0x13be, 0x03e9},
+		{0x1ce7, 0x0cb0},
+		{0x19d0, 0x0987},
+		{0x0762, 0x1735},
+		{0x0255, 0x1202},
+		{0x0d0c, 0x1d5b},
+		{0x083b, 0x186c},
+		{0x355f, 0x2508},
+		{0x3068, 0x203f},
+		{0x3f31, 0x2f66},
+		{0x3a06, 0x2a51},
+		{0x24b4, 0x34e3},
+		{0x2183, 0x31d4},
+		{0x2eda, 0x3e8d},
+		{0x2bed, 0x3bba},
+	}
+
+	// QR Codes version 7 and higher contain an 18-bit Version Information value,
+	// consisting of a 6 data bits and 12 error correction bits.
+	//
+	// versionBitSequence is a mapping from QR Code version to the completed
+	// 18-bit Version Information value.
+	//
+	// For example, a QR code of version 7:
+	// versionBitSequence[0x7] = 0x07c94 = 000111110010010100
+	versionBitSequence = []uint32{
+		0x00000,
+		0x00000,
+		0x00000,
+		0x00000,
+		0x00000,
+		0x00000,
+		0x00000,
+		0x07c94,
+		0x085bc,
+		0x09a99,
+		0x0a4d3,
+		0x0bbf6,
+		0x0c762,
+		0x0d847,
+		0x0e60d,
+		0x0f928,
+		0x10b78,
+		0x1145d,
+		0x12a17,
+		0x13532,
+		0x149a6,
+		0x15683,
+		0x168c9,
+		0x177ec,
+		0x18ec4,
+		0x191e1,
+		0x1afab,
+		0x1b08e,
+		0x1cc1a,
+		0x1d33f,
+		0x1ed75,
+		0x1f250,
+		0x209d5,
+		0x216f0,
+		0x228ba,
+		0x2379f,
+		0x24b0b,
+		0x2542e,
+		0x26a64,
+		0x27541,
+		0x28c69,
+	}
+)
+
+const (
+	formatInfoLengthBits  = 15
+	versionInfoLengthBits = 18
+)
+
+// formatInfo returns the 15-bit Format Information value for a QR
+// code.
+func (v qrCodeVersion) formatInfo(maskPattern int) *bitset.Bitset {
+	formatID := 0
+
+	switch v.level {
+	case Low:
+		formatID = 0x08 // 0b01000
+	case Medium:
+		formatID = 0x00 // 0b00000
+	case High:
+		formatID = 0x18 // 0b11000
+	case Highest:
+		formatID = 0x10 // 0b10000
+	default:
+		log.Panicf("Invalid level %d", v.level)
+	}
+
+	if maskPattern < 0 || maskPattern > 7 {
+		log.Panicf("Invalid maskPattern %d", maskPattern)
+	}
+
+	formatID |= maskPattern & 0x7
+
+	result := bitset.New()
+
+	result.AppendUint32(formatBitSequence[formatID].regular, formatInfoLengthBits)
+
+	return result
+}
+
+// versionInfo returns the 18-bit Version Information value for a QR Code.
+//
+// Version Information is applicable only to QR Codes versions 7-40 inclusive.
+// nil is returned if Version Information is not required.
+func (v qrCodeVersion) versionInfo() *bitset.Bitset {
+	if v.version < 7 {
+		return nil
+	}
+
+	result := bitset.New()
+	result.AppendUint32(versionBitSequence[v.version], 18)
+
+	return result
+}
+
+// numDataBits returns the data capacity in bits.
+func (v qrCodeVersion) numDataBits() int {
+	numDataBits := 0
+	for _, b := range v.block {
+		numDataBits += 8 * b.numBlocks * b.numDataCodewords // 8 bits in a byte
+	}
+
+	return numDataBits
+}
+
+// chooseQRCodeVersion chooses the most suitable QR Code version for a stated
+// data length in bits, the error recovery level required, and the data encoder
+// used.
+//
+// The chosen QR Code version is the smallest version able to fit numDataBits
+// and the optional terminator bits required by the specified encoder.
+//
+// On success the chosen QR Code version is returned.
+func chooseQRCodeVersion(level RecoveryLevel, encoder *dataEncoder, numDataBits int) *qrCodeVersion {
+	var chosenVersion *qrCodeVersion
+
+	for _, v := range versions {
+		if v.level != level {
+			continue
+		} else if v.version < encoder.minVersion {
+			continue
+		} else if v.version > encoder.maxVersion {
+			break
+		}
+
+		numFreeBits := v.numDataBits() - numDataBits
+
+		if numFreeBits >= 0 {
+			chosenVersion = &v
+			break
+		}
+	}
+
+	return chosenVersion
+}
+
+func (v qrCodeVersion) numTerminatorBitsRequired(numDataBits int) int {
+	numFreeBits := v.numDataBits() - numDataBits
+
+	var numTerminatorBits int
+
+	switch {
+	case numFreeBits >= 4:
+		numTerminatorBits = 4
+	default:
+		numTerminatorBits = numFreeBits
+	}
+
+	return numTerminatorBits
+}
+
+// numBlocks returns the number of blocks.
+func (v qrCodeVersion) numBlocks() int {
+	numBlocks := 0
+
+	for _, b := range v.block {
+		numBlocks += b.numBlocks
+	}
+
+	return numBlocks
+}
+
+// numBitsToPadToCodeword returns the number of bits required to pad data of
+// length numDataBits upto the nearest codeword size.
+func (v qrCodeVersion) numBitsToPadToCodeword(numDataBits int) int {
+	if numDataBits == v.numDataBits() {
+		return 0
+	}
+
+	return (8 - numDataBits%8) % 8
+}
+
+// symbolSize returns the size of the QR Code symbol in number of modules (which
+// is both the width and height, since QR codes are square). The QR Code has
+// size symbolSize() x symbolSize() pixels. This does not include the quiet
+// zone.
+func (v qrCodeVersion) symbolSize() int {
+	return 21 + (v.version-1)*4
+}
+
+// quietZoneSize returns the number of pixels of border space on each side of
+// the QR Code. The quiet space assists with decoding.
+func (v qrCodeVersion) quietZoneSize() int {
+	return 4
+}
+
+// getQRCodeVersion returns the QR Code version by version number and recovery
+// level. Returns nil if the requested combination is not defined.
+func getQRCodeVersion(level RecoveryLevel, version int) *qrCodeVersion {
+	for _, v := range versions {
+		if v.level == level && v.version == version {
+			return &v
+		}
+	}
+
+	return nil
+}