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barcody.bas
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Rem ***** BASIC *****
Rem This software is distributd under The MIT License (MIT)
Rem Copyright ? 2013 Madeta a.s. Jiri Gabriel
Rem Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
Rem The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
Rem THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Rem
Rem Some code comments translated from Czech into English using an online translator by JonasHeidelberg - careful, might be quite wrong
Rem Bug fixes in qr_gen by JonasHeidelberg, see http://stackoverflow.com/questions/41404226/why-does-this-vba-generated-qr-code-stutter-barcode-vba-macro-only
Rem and https://github.com/witwall/barcode-vba-macro-only/issues/1 and https://github.com/witwall/barcode-vba-macro-only/issues/4
Rem Code of RenderQRCode() and DrawQRCode() by Patratacus for creating QR code from VBA (not Excel formula) taken from http://stackoverflow.com/questions/16143331/generating-2d-pdf417-or-qr-barcodes-using-excel-vba/31663859#31663859
Option Explicit
Const BCEnc128$ = "1A1B1B1B1A1B1B1B1A0B0B1C0B0C1B0C0B1B0B1B0C0B1C0B0C1B0B1B0B0C1B0C0B1C0B0B0A1B2B0B1A2B0B1B2A0A2B1B0B2A1B0B2B1A1B2B0A1B0A2B1B0B2A1A2B0B1B2A0B2A1A2A2A0B1B2B0A1B2B0B1A2A1B0B2B1A0B2B1B0A1A1A1C1A1C1A1C1A1A0A0C1C0C0A1C0C0C1A0A1C0C0C1A0C0C1C0A1A0C0C1C0A0C1C0C0A0A1A2C0A1C2A0C1A2A0A2A1C0A2C1A0C2A1A2A2A1A1A0C2A1C0A2A1A2A0C1A2C0A1A2A2A2A0A1C2A0C1A2C0A1A2A1A0C2A1C0A2C1A0A2A3A0A1B0D0A3C0A0A0A0B1D0A0D1B0B0A1D0B0D1A0D0A1B0D0B1A0A1B0D0A1D0B0B1A0D0B1D0A0D1A0B0D1B0A1D0B0A1B0A0D3A2A0A1D0A0B0C3A0A0A0B3B0B0A3B0B0B3A0A3B0B0B3A0B0B3B0A3A0B0B3B0A0B3B0B0A1A1A3A1A3A1A3A1A1A0A0A3C0A0C3A0C0A3A0A3A0C0A3C0A3A0A0C3A0C0A0A2A3A0A3A2A2A0A3A3A0A2A1A0D0B1A0B0D1A0B2B1C2A0A1"
Const BCEncE13$ = "C6A5A5B77B5AB6B5A6B66B6AB5B6B6A66A6BA8A5A5D55D5AA5C6B7A55A7BA6C5A7B55B7AA5A8D5A55A5DA7A6B5C55C5BA6A7C5B55B5CC5A6B5A77A5B"
Const BCEnc39$ = "0A0C3A3A03A0C0A0A30A3C0A0A33A3C0A0A00A0C3A0A33A0C3A0A00A3C3A0A00A0C0A3A33A0C0A3A00A3C0A3A03A0A0C0A30A3A0C0A33A3A0C0A00A0A3C0A33A0A3C0A00A3A3C0A00A0A0C3A33A0A0C3A00A3A0C3A00A0A3C3A03A0A0A0C30A3A0A0C33A3A0A0C00A0A3A0C33A0A3A0C00A3A3A0C00A0A0A3C33A0A0A3C00A3A0A3C00A0A3A3C03C0A0A0A30C3A0A0A33C3A0A0A00C0A3A0A33C0A3A0A00C3A3A0A00C0A0A3A33C0A0A3A00C3A0A3A00C0C0C0A00C0C0A0C00C0A0C0C00A0C0C0C0"
Const BCChs39$ = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
Const BCExt39$ = "%U$A$B$C$D$E$F$G$H$I$J$K$L$M$N$O$P$Q$R$S$T$U$V$W$X$Y$Z%A%B%C%D%Esp/A/B/C/D/E/F/G/H/I/J/K/L - ./O 0 1 2 3 4 5 6 7 8 9/Z%F%G%H%iJ%V A B C D E F G H I J K L M N O P Q R S T U V W X Y Z%K%L%M%N%O%W+A+B+C+D+E+F+G+H+I+J+K+L+M+N+O+P+Q+R+S+T+U+V+W+X+Y+Z%P%Q%R%S%T"
Const BCEnc25$ = "00110100010100111000001011010001100000111001001010AABBABAAABABAABBBAAAAABABBABAAABBAAAAABBBAABAABABA"
Const qralnum$ = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:"
Dim IsMs As Boolean
Sub Init()
If VarType(Asc("A")) = 2 Then IsMs = True Else IsMs = False
End Sub
' MS: EncodeBarcode(POLICKO("SHEET");POLICKO("ADDRESS");A2;1;1;0;2)
' Usage: EncodeBarcode(CELL("SHEET");CELL("ADDRESS");A2;1;1;0;2)
' / | | | \
' The barcode content (string) -' / | \ `- Protection zone for 1D codes (width)
' 0-Code128,1-EAN,2-2of5I,3-Code39,50-Datamatrix,51-QR ---' / `--- Parameters (depending on the barcode type)
' Output type: graphic=1,Font=0 -----'
Public Function EncodeBarcode(ShIx As Integer, xAddr As String, _
code As String, pbctype%, Optional pgraficky%, _
Optional pparams%, Optional pzones%) As String
Dim s$, bctype%, graficky%, params%, zones%
Dim oo As Object
Call Init
If IsMissing(pzones) Then zones = 2 Else zones = pzones
If IsMissing(pparams) Then params = 0 Else params = pparams
If IsMissing(pgraficky) Then graficky = 1 Else graficky = pgraficky
If IsMissing(pbctype) Then bctype = 0 Else bctype = pbctype
Select Case bctype
Case 1 ' EAN8/13/UPCA/UPCE
' params 1,2,3,4 = EAN13,EAN8,UPCA,UPCE - type
' + 8 add checksum
s = bc_EAN(code, params, zones)
Case 2 ' Two of Five Interleaved
s = bc_25I(code, zones)
Case 3 ' Code39
' params extended charset 2 = disabled, 1 = always, 0 = automaticaly
' + 7 = add checksum
s = bc_Code39(code, params, zones)
Case 50 ' DataMatrix params: 1 = force ASCII encoding
s = dmx_gen(code, IIf(params = 1, "ASCII", ""))
Case 51 ' QRCode params: ECLevel 0=M 1=L 2=Q 3=H
s = "mode=" & Mid("MLQH", (params Mod 4) + 1, 1)
s = qr_gen(code, s)
Case Else ' Code128
' params 1 = start subset A 2 = start subset B 3 = start subset C
s = bc_Code128(code, params, zones)
End Select
If graficky <> 0 Then
If bctype >= 50 Then
If IsMs Then
Call bc_2Dms(s)
Else
Call bc_2D(ShIx, xAddr, s)
End If
Else
If IsMs Then
Call bc_1Dms(s)
Else
Call bc_1D(ShIx, xAddr, s)
End If
End If
EncodeBarcode = ""
Else
EncodeBarcode = s
End If
Exit Function
End Function
Function AscL(s As String) As Long
If IsMs Then AscL = AscW(s) Else AscL = Asc(s)
End Function
Function bc_25I(chaine$, Optional zones%) As String
' start = "0A0A" stop = "1A0"
Dim i%, j%, k%, l%, s$, q$, zon$
If IsMissing(zones%) Then
zon$ = "DD"
Else
zon$ = IIf(zones% <= 0, "", Mid$("DDDDDDDDDD", 1, zones%))
End If
q = chaine
s = ""
For i = 1 To Len(q)
j = (AscL(Mid(q, i, 1)) Mod 256) - 48
If (j >= 0 And j <= 9) Then s = s & Chr(48 + j)
Next
i = Len(s)
If i <= 0 Then
bc_25I = ""
Exit Function
End If
If (i Mod 2) = 1 Then s = "0" & s
q = zon & "0A0A" ' Start
For i = 1 To Len(s) Step 2
j = Val(Mid(s, i, 1)) * 5
k = 50 + Val(Mid(s, i + 1, 1)) * 5
For l = 1 To 5
q = q & Mid(BCEnc25, j + l, 1) & Mid(BCEnc25, k + l, 1)
Next
Next
bc_25I = q & "01A0" & zon
End Function
Function bc_Code39(chaine$, Optional params%, Optional zones%) As String
' params extended charset 2 = disabled, 1 = always, 0 = automaticaly
' 4 = add checksum
'[bWbwBwBwb]w[BwbwbWbwB]w[bWbwBwBwb] start = 0C0A2A2A0A stop = A0C0A2A2A0
Dim i, j%, s$, p$, q$, zon$, ext%, ch%, check%
If IsMissing(zones) Then
zon$ = "DD"
Else
zon$ = IIf(zones <= 0, "", Mid("DDDDDDDDDD", 1, zones))
End If
If IsMissing(params) Then
check = 0
ext = 0
Else
check = Int(params / 4) Mod 2
ext = (params Mod 4) - 1
End If
s = chaine
If Len(s) <= 0 Then
bc_Code39 = ""
Exit Function
End If
If ext = -1 Then
' Need extend ?
For i = 1 To Len(s)
p = Mid(s, i, 1)
j = InStr(BCChs39, p)
If j <= 0 Or AscL(p) > 90 Then
ext = 1
Exit For
End If
Next
End If
If ext = 1 Then
p = s
s = ""
For i = 1 To Len(p)
j = AscL(Mid(p, i, 1)) Mod 256
If j = 32 Then
s = s & " "
ElseIf (j <= 127) Then
s = s & Trim(Mid(BCExt39, 1 + j * 2, 2))
End If
Next
End If
q = zon & "0C0A2A2A0A" ' Start *
ch = 0
For i = 1 To Len(s)
p = Mid(s, i, 1)
j = InStr(BCChs39, p) - 1
If j >= 0 And j < 43 Then
ch = (ch + j) Mod 43
q = q & Mid(BCEnc39, j * 9 + 1, 9) & "A"
End If
Next
If check = 1 Then q = q & Mid(BCEnc39, ch * 9 + 1, 9) & "A"
bc_Code39 = q & "0C0A2A2A0" & zon
End Function
Function bc_EAN(chaine$, Optional params%, Optional zones%) As String
'Parameters : String up to 13 chars wide,
' params 1,2,3,4 = EAN13,EAN8,UPCA,UPCE - type
' + 8 add checksum
Dim i%, j%, checksum%, first%, CodeBarre$, s$, p$, q$, zon$, subtyp%, check%
Dim tableA As Boolean
If IsMissing(zones) Then
zon$ = "DD"
Else
zon$ = IIf(zones <= 0, "", Mid("DDDDDDDDDD", 1, zones))
End If
If IsMissing(params) Then
check = 0
subtyp = 0
Else
check = Int(params / 8) Mod 2
subtyp = params Mod 8
End If
s = chaine
p = ""
CodeBarre = zon
For i = 1 To Len(s)
j = AscL(Mid(s, i, 1)) Mod 256
If j >= 48 Or j <= 57 Then p = p & Chr(j)
Next i
s = p
If subtyp = 4 Then
While Len(s) < 6
s = "0" & s
Wend
If Len(s) > 6 Then s = Left(s, 6)
p = s
first = Val(Right(p, 1))
If first >= 5 Then
s = "00" & Left(p, 5) & "0000" & Right(p, 1)
ElseIf first = 4 Then
s = "00" & Left(p, 4) & "00000" & Mid(p, 5, 1)
ElseIf first = 3 Then
s = "00" & Left(p, 3) & "00000" & Mid(p, 4, 2)
Else
s = "00" & Left(p, 2) & Right(p, 1) & "0000" & Mid(p, 3, 3)
End If
End If
If check = 1 Or subtyp = 4 Then s = s & "0"
While Len(s) < 13
s = "0" & s
Wend
checksum = 0
first = 1
For i = 1 To 12
j = AscL(Mid(s, i, 1)) Mod 256
checksum = (checksum + first * (j - 48)) Mod 10
first = (first + 2) Mod 4
Next
'Kontrolni soucet
s = Left(s, 12) & Chr(48 + (10 - checksum Mod 10) Mod 10)
If subtyp = 4 Then
s = "000000" & Right(s, 1) & p
End If
If Left(s, 12) <> "000000000000" Then
CodeBarre = CodeBarre & "0A0"
If subtyp = 0 And Left(s, 5) = "00000" Then subtyp = 2 ' EAN8
If subtyp = 0 And Left(s, 1) = "0" Then subtyp = 3 ' UPC-A
' Jinak EAN13
If subtyp = 0 Then subtyp = 1
If subtyp = 2 Then ' EAN8
j = 5
p = "0000LLLLRRRR"
ElseIf subtyp = 3 Then ' UPC-A
j = 1
p = "LLLLLLRRRRRR"
ElseIf subtyp = 4 Then ' UPC-E
first = Val(Mid(s, 7, 1)) ' check
j = 7
p = "000000" & Mid("GGGLLLGGLGLLGGLLGLGGLLLGGLGGLLGLLGGLGLLLGGGLGLGLGLGLLGGLLGLG", 1 + first * 6, 6)
Else ' EAN13
j = 1
first = Val(Left(s, 1))
p = Mid("LLLLLLLLGLGGLLGGLGLLGGGLLGLLGGLGGLLGLGGGLLLGLGLGLGLGGLLGGLGL", 1 + first * 6, 6) + "RRRRRR"
End If
For i = j To 12
first = Val(Mid(s, i + 1, 1))
' L G R BarsAndSpaces G=rev(R)=rev(inv(L)) R=Inv(L)
'0 0001101 0100111 1110010 C1A0 A0B2 2B0A
'1 0011001 0110011 1100110 B1B0 A1B1 1B1A
'2 0010011 0011011 1101100 B0B1 B1A1 1A1B
'3 0111101 0100001 1000010 A3A0 A0D0 0D0A
'4 0100011 0011101 1011100 A0C1 B2A0 0A2B
'5 0110001 0111001 1001110 A1C0 A2B0 0B2A
'6 0101111 0000101 1010000 A0A3 D0A0 0A0D
'7 0111011 0010001 1000100 A2A1 B0C0 0C0B
'8 0110111 0001001 1001000 A1A2 C0B0 0B0C
'9 0001011 0010111 1110100 C0A1 B0A2 2A0B
q = Mid(BCEncE13, 1 + first * 12, 12)
Select Case Mid(p, i, 1)
Case "L"
CodeBarre = CodeBarre & Mid(q, 1, 4)
Case "G"
CodeBarre = CodeBarre & Mid(q, 5, 4)
Case "R"
CodeBarre = CodeBarre & Mid(q, 9, 4)
End Select
Select Case subtyp
Case 1: If i = 6 Then CodeBarre = CodeBarre & "A0A0A"
Case 3: If i = 6 Then CodeBarre = CodeBarre & "A0A0A"
Case 2: If i = 8 Then CodeBarre = CodeBarre & "A0A0A"
End Select
Next
If subtyp = 4 Then CodeBarre = CodeBarre & "A0A"
CodeBarre = CodeBarre & "0A0"
End If
bc_EAN = CodeBarre & zon
End Function
Function bc_Code128(chaine$, Optional params%, Optional zones%) As String
'Parameters : a string
'Return : * a string which give the bar code when it is dispayed with BarsAndSpaces.TTF font
' * an empty string if the supplied parameter is no good
Dim i%, checksum&, checkw&, min$, n%, zon$, s$, c128$, tbl$, q$, j%
If IsMissing(zones) Then
zon$ = "DD"
Else
zon$ = IIf(zones <= 0, "", Mid("DDDDDDDDDD", 1, zones))
End If
' If IsMissing(params) Then
' Else
c128 = ""
s = chaine
If Len(s) <= 0 Then
bc_Code128 = ""
Exit Function
End If
'Calculation of the code string with optimized use of tables A,B and C
min = ""
If (params Mod 4) >= 1 And (params Mod 4) <= 3 Then
tbl = Mid("ABC", params Mod 4, 1)
Else
tbl = ""
End If
i = 1 'i become the string index
Do While i <= Len(s)
n = AscL(Mid(s, i, 1)) Mod 256
If n = 95 Then ' _ escape _1 FNC1 .. _4 FNC4 __ = podtrzitko
i = i + 1
If i > Len(s) Then n = 0 Else n = AscL(Mid(s, i, 1)) Mod 256
If (n >= 49 And n <= 52) Then
n = 48 - n
ElseIf n >= 64 And n <= 94 Then
n = n - 64
' _@,_A .. _^ = 0x00..0x1E
ElseIf n = 48 Then
' _0 = 0x1F
n = 31
Else
n = 95
End If
End If
If n >= 128 Then
n = n Mod 128
min = min & "z"
c128 = c128 & "-05" ' shift
End If
Select Case n
Case 48 To 57, -1
min = min & "C"
Case -4 To -2
min = min & "z"
Case 0 To 31
min = min & "A"
Case 32 To 63
min = min & "z"
Case Else ' 64 to 127
min = min & "B"
End Select
q = "000" & Trim(CStr(Abs(n)))
If n < 0 Then q = "-" & Right(q, 2) Else q = Right(q, 3)
c128 = c128 & q
i = i + 1
Loop
s = zon
If tbl = "" Then
If Left(min, 4) = "CCCC" Then
tbl = "C"
ElseIf InStr(min, "A") <= 0 Or Left(min, 1) = "B" Then
tbl = "B"
Else
tbl = "A"
End If
End If
n = 103 + AscL(tbl) - 65 ' 103,104,105 = Start A,B,C
s = s & Mid(BCEnc128, 6 * n + 1, 6)
checksum = n
checkw = 1
i = 1
Do While i <= Len(min)
n = Val(Mid(c128, -2 + (i * 3), 3))
q = Mid(min, i, 1)
Select Case tbl
Case "C"
If q <> "C" Then
If q = "A" Or (q = "z" And InStr(Mid(min, i), "B") < 0) Then
tbl = "A"
n = 101
Else
tbl = "B"
n = 100
End If
i = i - 1
Else
If (n = -1) Then
n = 102 ' Fnc 1
Else
' Dvojcislo
j = (n - 48) * 10
If (i >= Len(min) Or Mid(min, i + 1, 1) <> "C") Then
tbl = "B"
n = 100
i = i - 1
Else
i = i + 1
n = Val(Mid(c128, -2 + (i * 3), 3))
If n < 0 Then
tbl = "B"
n = 100
i = i - 2
Else
n = j + (n - 48)
End If
End If
End If
End If
Case "A"
If q = "B" Then
n = 100 ' Switch to B
i = i - 1
tbl = "B"
ElseIf Mid(min, i, 4) = "CCCC" Then
n = 99 ' Start C
i = i - 1
tbl = "C"
Else
Select Case n
Case -5: n = 98
Case -4: n = 101
Case -3: n = 96
Case -2: n = 97
Case -1: n = 102
Case 0 To 31
n = n + 64
Case Else
n = n - 32
End Select
End If
Case "B"
If q = "A" Then
n = 101 ' Switch to B
i = i - 1
tbl = "A"
ElseIf Mid(min, i, 4) = "CCCC" Then
n = 99 ' Start C
i = i - 1
tbl = "C"
Else
Select Case n
Case -5: n = 98
Case -4: n = 100
Case -3: n = 96
Case -2: n = 97
Case -1: n = 102
Case Else
n = n - 32
End Select
End If
End Select
If n >= 0 And n <= 102 Then
s = s & Mid(BCEnc128, 6 * n + 1, 6)
checksum = (checksum + checkw * n) Mod 103
checkw = checkw + 1
End If
i = i + 1
Loop
n = checksum Mod 103
s = s & Mid(BCEnc128, 6 * n + 1, 6)
s = s + "1C2A0A1"
bc_Code128 = s & zon
End Function
Function dmx_place(parr As Variant, psiz As Integer, _
pbl As Integer, prow As Integer, pcol As Integer, _
pbit As Integer) As Boolean
Dim ix%, va%, r%, c%, s%
r = prow
c = pcol
If psiz > 0 Then
s = psiz / pbl
If r < 0 Then
r = r + psiz
c = c + 4 - ((psiz + 4) Mod 8)
End If
If c < 0 Then
c = c + psiz
r = r + 4 - ((psiz + 4) Mod 8)
End If
If c >= psiz Then
c = c - psiz
r = r + 1
End If
r = r + (Int(r / s) * 2)
c = c + (Int(c / s) * 2)
End If
dmx_place = False
r = r + 2
c = c + 2
ix = r * 20 + Int(c / 8) ' 20 bytes per row
If ix > (UBound(parr, 2)) Or ix < 0 Then Exit Function
' c = 2^(7 - (c MOD 8))
c = 2 ^ (c Mod 8)
va = parr(0, ix)
If psiz > 0 Then
If (Int(va / c) Mod 2) = 0 Then
If pbit < 0 Then
dmx_place = True
Exit Function
End If
parr(0, ix) = va + c
Else
Exit Function
End If
End If
If pbit > 0 Then
va = parr(1, ix)
If (Int(va / c) Mod 2) = 0 Then va = va + c ' else va = va - c
parr(1, ix) = va
End If
dmx_place = True
End Function
Function dmx_placebyte(parr As Variant, psiz As Integer, pbl As Integer, _
ByRef prow As Variant, ByRef pcol As Variant, pbyte As Integer) As Boolean
Dim bity(7) As Integer
Dim xv As Boolean
Dim i, x%
x = pbyte
For i = 7 To 0 Step -1
bity(i) = x Mod 2
x = Int(x / 2)
If Not (dmx_place(parr, psiz, pbl, (prow(i)), (pcol(i)), -1)) Then
dmx_placebyte = False
Exit Function
End If
Next
For i = 0 To 7
xv = dmx_place(parr, psiz, pbl, (prow(i)), (pcol(i)), bity(i))
Next
dmx_placebyte = True
End Function
Function dmx_can_put(parr As Variant, psiz As Integer, pbl As Integer, _
prow As Integer, pcol As Integer, pbyte As Integer, _
pcorner As Boolean) As Boolean
Dim dmxtype As Integer
Dim wr As Variant
Dim wc As Variant
dmxtype = 0
dmx_can_put = False
If pcorner Then
If prow = psiz And pcol = 0 Then
dmxtype = 1 ' LowerLeft
ElseIf prow = (psiz - 2) And pcol = 0 And (psiz Mod 4) <> 0 Then
dmxtype = 2 ' lower left 2
ElseIf prow = (psiz - 2) And pcol = 0 And (psiz Mod 8) = 4 Then
dmxtype = 3 ' lower left 3
ElseIf prow = (psiz + 4) And pcol = 2 And (psiz Mod 8) = 0 Then
dmxtype = 4 ' lower right
End If
If dmxtype = 0 Then Exit Function
End If
Select Case dmxtype
Case 1
wr = Array(psiz - 1, psiz - 1, psiz - 1, 0, 0, 1, 2, 3)
wc = Array(0, 1, 2, psiz - 2, psiz - 1, psiz - 1, psiz - 1, psiz - 1)
Case 2
wr = Array(psiz - 3, psiz - 2, psiz - 1, 0, 0, 0, 0, 1)
wc = Array(0, 0, 0, psiz - 4, psiz - 3, psiz - 2, psiz - 1, psiz - 1)
Case 3
wr = Array(psiz - 3, psiz - 2, psiz - 1, 0, 0, 1, 2, 3)
wc = Array(0, 0, 0, psiz - 2, psiz - 1, psiz - 1, psiz - 1, psiz - 1)
Case 4
wr = Array(psiz - 1, psiz - 1, 0, 0, 0, 1, 1, 1)
wc = Array(0, psiz - 1, psiz - 3, psiz - 2, psiz - 1, psiz - 3, psiz - 2, psiz - 1)
Case Else
wr = Array(prow - 2, prow - 2, prow - 1, prow - 1, prow - 1, prow, prow, prow)
wc = Array(pcol - 2, pcol - 1, pcol - 2, pcol - 1, pcol, pcol - 2, pcol - 1, pcol)
End Select
dmx_can_put = dmx_placebyte(parr, psiz, pbl, wr, wc, pbyte)
End Function ' dmx_can_put
' Function exor(pa as integer, pb as integer) as INTEGER
' Dim exorr as integer
' Dim exorb as integer
' exorr = 0 : exorb = 1
' do while exorb <= pa or exorb <= pb
' IF (int(pa / exorb) MOD 2) <> (int(pb / exorb) MOD 2) THEN exorr = exorr + exorb
' exorb = exorb + exorb
' loop
' exor = exorr
' exor = pa XOR pb
' END Function ' exor
Sub dmx_rs(ppoly As Integer, pmemptr As Variant, ByVal psize As Integer, ByVal plen As Integer, ByVal pblocks As Integer)
Dim v_x%, v_y%, v_z%, v_a%, v_b%, pa%, pb%, rp%
Dim poly(512) As Integer
Dim v_ply() As Integer
' generate reed solomon expTable and logTable
' for datamatrix GF256(0x012D) // 0x12d=301 => x^8 + x^5 + x^3 + x^2 + 1
' QR uses GF256(0x11d) // 0x11d=285 => x^8 + x^4 + x^3 + x^2 + 1
v_x = 1: v_y = 0
Do
poly(v_x) = v_y ' expTable
poly(v_y + 256) = v_x ' logTable
If v_x = 0 Then Exit Do
v_x = v_x * 2
v_y = v_y + 1
If v_x > 255 Then v_x = v_x Xor ppoly
If v_x = 1 Then v_x = 0
Loop
' for 301 check:
' 255,0,1,240,2,225,241,53,3,38,226,133,242,43,54,210,4,195,39,114,227,106,134,28,243,140,44,23,55,118,211,234,5,219,196,96,40,222,115,103,228,78,107,125,135,8,29,162,244,186,141,180,45,99,24,49,56,13,119,153,212,199,235,91,6,76,220,217,197,11,97,184,41,36,223,253,116,138,104,193,229,86,79,171,108,165,126,145,136,34,9,74,30,32,163,84,245,173,187,204,142,81,181,190,46,88,100,159,25,231,50,207,57,147,14,67,120,128,154,248,213,167,200,63,236,110,92,176,7,161,77,124,221,102,218,95,198,90,12,152,98,48,185,179,42,209,37,132,224,52,254,239,117,233,139,22,105,27,194,113,230,206,87,158,80,189,172,203,109,175,166,62,127,247,146,66,137,192,35,252,10,183,75,216,31,83,33,73,164,144,85,170,246,65,174,61,188,202,205,157,143,169,82,72,182,215,191,251,47,178,89,151,101,94,160,123,26,112,232,21,51,238,208,131,58,69,148,18,15,16,68,17,121,149,129,19,155,59,249,70,214,250,168,71,201,156,64,60,237,130,111,20,93,122,177,150
' 1,2,4,8,16,32,64,128,45,90,180,69,138,57,114,228,229,231,227,235,251,219,155,27,54,108,216,157,23,46,92,184,93,186,89,178,73,146,9,18,36,72,144,13,26,52,104,208,141,55,110,220,149,7,14,28,56,112,224,237,247,195,171,123,246,193,175,115,230,225,239,243,203,187,91,182,65,130,41,82,164,101,202,185,95,190,81,162,105,210,137,63,126,252,213,135,35,70,140,53,106,212,133,39,78,156,21,42,84,168,125,250,217,159,19,38,76,152,29,58,116,232,253,215,131,43,86,172,117,234,249,223,147,11,22,44,88,176,77,154,25,50,100,200,189,87,174,113,226,233,255,211,139,59,118,236,245,199,163,107,214,129,47,94,188,85,170,121,242,201,191,83,166,97,194,169,127,254,209,143,51,102,204,181,71,142,49,98,196,165,103,206,177,79,158,17,34,68,136,61,122,244,197,167,99,198,161,111,222,145,15,30,60,120,240,205,183,67,134,33,66,132,37,74,148,5,10,20,40,80,160,109,218,153,31,62,124,248,221,151,3,6,12,24,48,96,192,173,119,238,241,207,179,75,150,0
ReDim v_ply(plen + pblocks)
For v_x = 1 To plen + 1
pmemptr(v_x + psize) = 0
Next
For v_b = 0 To (pblocks - 1)
v_ply(v_b + 1) = 1
v_z = 1
v_x = v_b + 1 + pblocks
Do While v_x <= plen + pblocks
v_ply(v_x) = v_ply(v_x - pblocks)
v_y = v_x - pblocks
Do While v_y >= v_b + 1 + pblocks
pa = v_ply(v_y): pb = poly(256 + v_z): GoSub rsprod
v_ply(v_y) = v_ply(v_y - pblocks) Xor rp
v_y = v_y - pblocks
Loop
pa = v_ply(v_b + 1): pb = poly(256 + v_z): GoSub rsprod
v_ply(v_b + 1) = rp
v_z = v_z + 1
v_x = v_x + pblocks
Loop
' generate "nc" checkwords in the array
v_x = v_b + 1
Do While v_x <= psize
v_y = v_b + 1
v_z = pmemptr(v_y + psize) Xor pmemptr(v_x)
v_a = plen - pblocks + 1 + v_b ' pro pblocks = 1 je to plen ; pro blocks = 2 to musibyt plen - pblocks + p_b + 1
Do While v_y <= plen
pa = v_z: pb = v_ply(v_a): GoSub rsprod
pmemptr(v_y + psize) = pmemptr(v_y + psize + pblocks) Xor rp
v_y = v_y + pblocks
v_a = v_a - pblocks
Loop
v_x = v_x + pblocks
Loop
Next
Exit Sub
rsprod:
rp = 0
If pa > 0 And pb > 0 Then rp = poly(256 + (poly(pa) + poly(pb)) Mod 255)
Return
End Sub ' reed solomon dmx_rs
' Sub setMousePointer(oWin, bEnable As Boolean)
' Dim oPointer, iPoint%
' If bEnable Then
' iPoint = com.sun.star.awt.SystemPointer.ARROW
' Else
' iPoint = com.sun.star.awt.SystemPointer.Wait
' End If
' oPointer = createUnoService("com.sun.star.awt.Pointer")
' oPointer.setType (iPoint)
' oWin.setPointer (oPointer)
' End Sub
Function dmx_gen(ptext As String, poptions As String) As String
Dim encoded1(2200) As Integer
Dim encoded2(3300) As Integer
Dim encoded3(3300) As Integer
Dim encix(3) As Integer
Dim SavedPointer As Variant
Dim enctype%, dmx_row%, dmx_col%
Dim i&, j&, k&
Dim ch%, bl%, s%, siz%
Dim ascimatrix As String
Dim err As String
Dim arr() As Integer
Dim x As Boolean
dmx_row = 0
ascimatrix = ""
err = ""
dmx_gen = ""
' setMousePointer(wnd,False)
If ptext = "" Then
err = "Not data"
Exit Function
End If
encix(1) = 0
If (InStr(poptions, "ASCII") > 0) Then
enctype = 1
encix(2) = -1
encix(3) = -1
Else
enctype = 0
encix(2) = 0
encix(3) = 0
End If
For i = 1 To Len(ptext)
ch = AscL(Mid(ptext, i, 1)) Mod 256
j = -5
' F1=_1 _=__ : ASCII=chr(232) C40&Text=chr(1) + chr(27)
If i < Len(ptext) Then
k = AscL(Mid(ptext, i + 1, 1)) Mod 256
If Mid(ptext, i, 2) = "_1" Then
j = -1
i = i + 1
ElseIf ch >= 48 And ch <= 57 And k >= 48 And k <= 57 Then
j = Val(Mid(ptext, i, 2))
ElseIf Mid(ptext, i, 2) = "__" Then ' podtrzitko
i = i + 1
j = -5
End If
End If
' ascii encoding
If encix(1) >= 0 And dmx_row = 0 Then
If j = -1 Then
encix(1) = encix(1) + 1
encoded1(encix(1)) = 232
Else
If (ch >= 128) Then
encix(1) = encix(1) + 1
encoded1(encix(1)) = 235 ' hi bit
ch = ch - 128
End If
If j >= 0 Then
encix(1) = encix(1) + 1
encoded1(encix(1)) = j + 130
dmx_row = 1 ' SKIP NEXT ASCII
Else
encix(1) = encix(1) + 1
encoded1(encix(1)) = ch + 1
End If
End If
Else
dmx_row = 0 ' no skip next ASCII
End If
' C40 encoding
If encix(2) >= 0 Then
' chr(230) Start C40
If j = -1 Then ' FNC 1
encix(2) = encix(2) + 2
encoded2(encix(2) - 1) = 1 ' set 2
encoded2(encix(2)) = 27 ' set2 FNC1
Else
If ch > 128 Then
encix(2) = encix(2) + 2
encoded2(encix(2) - 1) = 1
encoded2(encix(2)) = 30 ' set2 hi-bit
ch = ch - 128
End If
If ch < 32 Then
encix(2) = encix(2) + 2
encoded2(encix(2) - 1) = 0
encoded2(encix(2)) = ch ' set1 control
Else
k = InStr(" 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", Chr(ch))
If ch <= 90 And k > 0 Then
encix(2) = encix(2) + 1
encoded2(encix(2)) = k + 2 ' set0 default
Else
k = InStr("!""#$%&'()*+,-./:;<=>?@(\)^_", Chr(ch))
If (k > 0) Then
encix(2) = encix(2) + 2
encoded2(encix(2) - 1) = 1
encoded2(encix(2)) = k - 1 ' set 2
Else
k = InStr("`abcdefghijklmnopqrstuvwxyz{|}~", Chr(ch))
If (k > 0) Then
encix(2) = encix(2) + 2
encoded2(encix(2) - 1) = 2 ' set 3
encoded2(encix(2)) = k - 1
Else
encix(2) = -1
End If
End If
End If
End If
End If
If encix(2) > UBound(encoded2) - 10 Then encix(2) = -1
End If
' Text encoding
If encix(3) >= 0 Then
' chr(239) start Text
If j = -1 Then ' FNC 1
encix(3) = encix(3) + 2
encoded3(encix(3) - 1) = 1
encoded3(encix(3)) = 27
Else
If ch > 128 Then
encix(3) = encix(3) + 2
encoded3(encix(3) - 1) = 1
encoded3(encix(3)) = 30 ' set2 hi-bit
ch = ch - 128
End If
If (ch < 32) Then
encix(3) = encix(3) + 2
encoded3(encix(3) - 1) = 0
encoded3(encix(3)) = ch ' set1 control
Else
k = InStr(" 0123456789abcdefghijklmnopqrstuvwxyz", Chr(ch))
If (ch < 65 Or ch >= 97) And k > 0 Then
encix(3) = encix(3) + 1
encoded3(encix(3)) = k + 2 ' set0
Else
k = InStr("!""#$%&'()*+,-./:;<=>?@(\)^_", Chr(ch))
If (k > 0) Then
encix(3) = encix(3) + 2
encoded3(encix(3) - 1) = 1
encoded3(encix(3)) = k - 1 ' set2
Else
k = InStr("`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~", ch)
If (k > 0) Then
encix(3) = encix(3) + 2
encoded3(encix(3) - 1) = 2
encoded3(encix(3)) = k - 1 ' set3
Else
encix(3) = -1
End If
End If
End If
End If
End If
If encix(3) > UBound(encoded3) - 10 Then encix(3) = -1
End If
If encix(1) > UBound(encoded1) - 20 Then
err = "Too long text"
' setMousePointer(wnd,True)
Exit Function
End If
Next i
i = encix(1): j = 10000: k = 10000
If enctype = 0 Then
If encix(1) <= 0 Then i = 10000
If encix(2) > 0 Then j = 2 + Int((encix(2) * 2) / 3)
If encix(3) > 0 Then k = 2 + Int((encix(3) * 2) / 3)
If i < j And i < k Then
enctype = 1
ElseIf j < i And j < k Then
enctype = 2
ElseIf k < i And k < j Then
enctype = 3
End If
End If
' string not convertible
If encix(enctype) <= 0 Then
err = "Bad chars"
' setMousePointer(wnd,True)
Exit Function
End If
If enctype > 1 Then
i = 1
k = 1
dmx_row = encix(enctype) + 1
If enctype = 2 Then
encoded1(1) = 230 ' start enc
encoded2(dmx_row) = 0 ' padding
encoded2(dmx_row + 1) = 0 ' padding
Else
encoded1(1) = 239 ' start enc
encoded3(dmx_row) = 0 ' padding
encoded3(dmx_row + 1) = 0 ' padding
End If
Do While i <= dmx_row:
If enctype = 2 Then
j = 1600& * encoded2(i) + 40& * encoded2(i + 1) + 1& + encoded2(i + 2)
Else
j = 1600& * encoded3(i) + 40& * encoded3(i + 1) + 1& + encoded3(i + 2)
End If
i = i + 3
k = k + 2
encoded1(k - 1) = Int(j / 256)
encoded1(k) = j Mod 256
Loop
j = 254& + (129& * 256&) ' padding 254,129 = switch to text, end of message
encix(1) = k
Else
j = 129 ' END = 129
' j = 129& + (251& * 256&) + (147& * 65536) ' END = 129 + padding 251,147 - test Wikipedia
End If
i = encix(1)
k = 0: ch = 1
' only sqare types implemented
Do
Select Case i
Case 3: siz = 8: k = 5
Case 5: siz = 10: k = 7
Case 8: siz = 12: k = 10
Case 12: siz = 14: k = 12
Case 18: siz = 16: k = 14
Case 22: siz = 18: k = 18
Case 30: siz = 20: k = 20
Case 36: siz = 22: k = 24
Case 44: siz = 24: k = 28
Case 62: siz = 28: k = 36
Case 86: siz = 32: k = 42
Case 114: siz = 36: k = 48
Case 144: siz = 40: k = 56
Case 174: siz = 44: k = 68
Case 204: siz = 48: k = 84: ch = 2
Case 280: siz = 56: k = 112: ch = 2
Case 368: siz = 64: k = 144: ch = 4
Case 456: siz = 72: k = 192: ch = 4
Case 576: siz = 80: k = 224: ch = 4
Case 696: siz = 88: k = 272: ch = 4
Case 816: siz = 96: k = 336: ch = 6
Case 1050: siz = 108: k = 408: ch = 6
Case 1304: siz = 120: k = 496: ch = 8
Case 1558: siz = 132: k = 620: ch = 10
End Select
If k > 4 Or i > 1558 Then Exit Do
i = i + 1
If j = 0 Then encoded1(i) = ((149& * i) Mod 255) + 1 Else encoded1(i) = j Mod 256
If j <> 0 Then j = Int(j / 256&)
Loop
If (i > 1558) Then
err = "Too big code"
' setMousePointer(wnd,True)
Exit Function
End If
If siz >= 108 Then
bl = 6
ElseIf siz >= 56 Then
bl = 4
ElseIf siz >= 28 Then
bl = 2
Else
bl = 1
End If
ReDim arr(0)
ReDim arr(1, siz * 20& + 40& * (bl + 1)) ' 20 bytes per row
arr(0, 0) = 128
' doplnime ECC
Call dmx_rs(301, encoded1, 0 + i, 0 + k, ch)
'' Call arr2hexstr(encoded1)
encix(1) = i + k
dmx_row = 4: dmx_col = 0: i = 1
Do
' only corners cases
If dmx_can_put(arr, siz, bl, dmx_row, dmx_col, encoded1(i), True) Then i = i + 1
Do
If (dmx_row < siz) And (dmx_col >= 0) Then
If dmx_can_put(arr, siz, bl, dmx_row, dmx_col, encoded1(i), False) Then i = i + 1
End If
dmx_row = dmx_row - 2
dmx_col = dmx_col + 2
If dmx_row < 0 Or dmx_col >= siz Or i > encix(1) Then Exit Do
Loop
dmx_row = dmx_row + 1
dmx_col = dmx_col + 3
Do ' downward diagonaly
If (dmx_row >= 0) And (dmx_col < siz) Then
If dmx_can_put(arr, siz, bl, dmx_row, dmx_col, encoded1(i), False) Then i = i + 1
End If
dmx_row = dmx_row + 2
dmx_col = dmx_col - 2
If dmx_row >= siz Or dmx_col < 0 Or i > encix(1) Then Exit Do
Loop
dmx_row = dmx_row + 3
dmx_col = dmx_col + 1
If (dmx_row >= siz And dmx_col >= siz) Or i > encix(1) Then Exit Do
Loop
k = siz * siz
If (k Mod 8) = 4 Then ' right lower void
x = dmx_place(arr, siz, bl, siz - 1, siz - 1, 1)
x = dmx_place(arr, siz, bl, siz - 2, siz - 2, 1)
End If
s = Int(siz / bl)
For i = -1 To s
For k = 0 To bl ^ 2 - 1
dmx_col = (k Mod bl) * (s + 2)
dmx_row = Int(k / bl) * (s + 2)
x = dmx_place(arr, 0, 0, dmx_row + i, dmx_col - 1, 1) ' leva cara
x = dmx_place(arr, 0, 0, dmx_row + s, dmx_col + i, 1) ' spodni cara
If ((i + 2) Mod 2) = 1 Then
x = dmx_place(arr, 0, 0, dmx_row - 1, dmx_col + i, 1) ' horni tecky
Else
x = dmx_place(arr, 0, 0, dmx_row + i, dmx_col + s, 1) ' prave tecky
End If
Next
Next
' ascimatrix = trim(CStr(siz + 2))
' ascimatrix = ascimatrix & "x" & ascimatrix & ","
ascimatrix = ""
k = siz + 2 * (bl + 1) - 1
For dmx_row = 0 To k Step 2
s = 0
For dmx_col = 0 To k Step 2
If (dmx_col Mod 8) = 0 Then
ch = arr(1, s + 20 * dmx_row)
i = arr(1, s + 20 * (dmx_row + 1))
s = s + 1
End If
ascimatrix = ascimatrix _
& Chr(97 + (ch Mod 4) + 4 * (i Mod 4))
ch = Int(ch / 4)
i = Int(i / 4)
Next
ascimatrix = ascimatrix & vbNewLine
Next dmx_row
ReDim arr(1, 1)
dmx_gen = ascimatrix
End Function ' dmx_gen