INTRODUCTION
This document describes a Barcode solution implemented in ABAP to generate/print barcodes . The project is totally developed in ABAP and it can be used with any SAP solution and version.
h4. SYMPTOM
There're differents solutions for the creation and print BARCODEs . All of them have the same problem : When you create a spool from a form/smartform with Barcodes, it's not possible to convert the spool to a PDF file because the BARCODE is created at the time of printing .
See Notes OSS : 430887 , 645158
h4. SOLUTION
This solution is totally developed in ABAP . It runs for any SAP ( and O.S. ) because it's a library and function module for the barcodes creation .
Output is a data table within the barcode coordinates . You can use this coordinates to create a Barcode in a form/smartform seeing the correct Barcode image when you display the form.
It's possible to generate automatically others types of file ( using CONVERT_OTF from spool to PDF ) .
Others outputs could be HTML format or Java Bitmap , always using the barcodes coordinates ( not developed yet ) .
The process can be executed on-line and batch .
ADVANTAGE
DISADVANTAGE
It can be use with any O.S. and SAP version . | It can’t be use for a SAP-Reports . |
It can be use with any printer connected to SAP. |
|
Output to form/smartform ( PDF ) , data table ( it’s possible to format to HTML , Java-Bitmap ) |
|
Free solution |
|
h4. BARCODE SPECS
You need a CODECS file for decode the string to Barcode coordinates . CODECS have the definition of each barcode font and his map with each ASCII char.
These are the font codes implemented and tested :
FONT
SUB-SET
CHECKSUM
CODECS
TEST
Code 128 | A | Yes | C128 | Intermec CK31/1551 |
Code 128 | B | Yes | C128 | Intermec CK31/1551 |
Code 128 | C | Yes | C128 | Intermec CK31/1551 |
Code 39 |
| Yes/No | C39 | Intermec CK31/1551 |
Code 93 |
| Yes | C93 | Intermec CK31/1551 |
EAN 8 |
| Yes | EAN13 |
|
EAN 13 |
| Yes | EAN13 | Intermec CK31/1551 |
EAN 14 | Font C128 | Yes | C128 | Intermec CK31/1551 |
CODABAR |
| No | CODABAR | Intermec CK31/1551 |
UPC/EAN | A |
| UPCEAN |
|
UPC/EAN | E |
| UPCEAN |
|
CODECS File :
Links
[http://www.barcodesymbols.com/symbologies.htm | http://www.barcodesymbols.com/symbologies.htm]
[http://www.jtbarton.com/Barcodes/Code128.aspx | http://www.jtbarton.com/Barcodes/Code128.aspx]
[http://www.barcoderesource.com/code39_barcode_map.html | http://www.barcoderesource.com/code39_barcode_map.html]
http://grandzebu.net/index.php?page=/informatique/codbar-en/code128.htm
[http://www.barcodeman.com/info/c39_1.php3 | http://www.barcodeman.com/info/c39_1.php3]
[http://community.bartdesmet.net/blogs/bart/archive/2006/09/20/4459.aspx | http://community.bartdesmet.net/blogs/bart/archive/2006/09/20/4459.aspx]
[http://www.barcodesymbols.com/ean13.htm | http://www.barcodesymbols.com/ean13.htm]
h4. IMPLEMENTATION
Implementation of the library and functions modules has been developed in ABAP language in SAP 4.6 system , but it can run in any ABAP version ( supported by SAP ) .
To install is necessary to upload the code ( Z-include and Z-functions ) on SAP-system ans save file CODECS into SAP ( or local server ) .
h5. 1. Create Structure ZBARCODE_COORDS ( SE11 - Abap Dictionary - Data Type )
h5. 2. Create Include ZBARCODE_GENERATOR
----
INCLUDE ZBARCODE_GENERATOR *
----
CODEBAR | SUBSET | CHECKSUM | CODECS | TESTED | *
C128 | A | Yes | C128 | Intermec CK31-1551 | *
C128 | B | Yes | C128 | Intermec CK31-1551 | *
C128 | C | Yes | C128 | Intermec CK31-1551 | *
C39 | | Yes | C39 | Intermec CK31-1551 | *
EAN8 | | Yes | EAN13 | No | *
EAN13 | | Yes | EAN13 | Intermec CK31-1551 | *
EAN14 | | Yes | C128 | Intermec CK31-1551 | *
CODABAR | | No | CODABAR| Intermec CK31-1551 | *
UPCEAN | A | Yes | UPCEAN | No | *
UPCEAN | E | Yes | UPCEAN | No | *
----
Declaración de constantes
*
Declaración de variables
*
DATA : D_X_INI TYPE P DECIMALS 3.
DATA : D_Y_INI TYPE P DECIMALS 3.
DATA : D_W_INI TYPE P DECIMALS 3.
DATA : D_H_INI TYPE P DECIMALS 3.
DATA : D_FONT(10).
DATA : D_SUBSET(5).
DATA : D_CHECKS .
DATA : D_BARCODE_BIN(500).
DATA : D_BARCODE(50).
*
DATA : BEGIN OF BC,
X1(10),
Y1(10),
W1(10),
H1(10).
DATA : END OF BC.
DATA : BEGIN OF BC_DEC OCCURS 500.
X1 TYPE P DECIMALS 2,
Y1 TYPE P DECIMALS 2,
W1 TYPE P DECIMALS 2,
H1 TYPE P DECIMALS 2.
INCLUDE STRUCTURE ZBARCODE_COORDS.
DATA : END OF BC_DEC.
*DATA : BEGIN OF T_BC128 OCCURS 200,
VALUE TYPE I,
CODE(4) TYPE N,
PATTERN(15) .
*DATA : END OF T_BC128.
*
*DATA : BEGIN OF T_EAN13_PARITY OCCURS 20,
NUM(1) TYPE N,
PARITY(6) .
*DATA : END OF T_EAN13_PARITY.
**
*DATA : BEGIN OF T_EAN13_PATTERN OCCURS 20,
NUM(1) TYPE N,
PATTERN1(7) ,
PATTERN2(7) ,
PATTERN3(7) .
*DATA : END OF T_EAN13_PATTERN.
DATA : BEGIN OF T_CODECS OCCURS 500,
CODECS(10),
VALUE TYPE I,
CODE(4) TYPE N,
PATTERN1(15) ,
PATTERN2(15) ,
PATTERN3(15) ,
PATTERN4(15) .
DATA : END OF T_CODECS.
----
&----
*& Form GENERA-BARCODE-NUMERICO
&----
text
----
--> p1 text
<-- p2 text
----
FORM GENERA-BARCODE-NUMERICO USING L_BARCODE L_SEPARADOR L_BARCODE_BIN.
*
DATA L_NUM TYPE I.
DATA L_DEC(4) TYPE N.
DATA L_DEC_C(20) .
DATA L_CONST(20).
FIELD-SYMBOLS TYPE X.
field-symbols <CTS> type c.
*
CLEAR L_BARCODE_BIN.
L_NUM = STRLEN( L_BARCODE ) .
DO L_NUM TIMES .
ASSIGN L_BARCODE(1) TO .
L_DEC_C = L_DEC.
SHIFT L_DEC_C LEFT DELETING LEADING SPACE.
CONCATENATE 'C_BC128_' L_DEC_C INTO L_CONST.
assign (L_CONST) TO <CTS>.
CONCATENATE L_BARCODE_BIN <CTS> INTO L_BARCODE_BIN.
READ TABLE T_CODECS WITH KEY CODECS = D_FONT
CODE = L_DEC.
IF SY-SUBRC = 0.
CONCATENATE L_BARCODE_BIN L_SEPARADOR T_CODECS-PATTERN1
INTO L_BARCODE_BIN.
ENDIF .
L_BARCODE = L_BARCODE+1.
*
ENDDO .
Si existe separador se elimina el primero
IF L_SEPARADOR NE SPACE .
L_BARCODE_BIN = L_BARCODE_BIN+1 .
ENDIF .
*
ENDFORM. " GENERA-BARCODE-NUMERICO
&----
*& Form GENERA-BARCODE-BITMAP
&----
text
----
-->P_D_BARCODE text
----
FORM GENERA-BARCODE-BITMAP USING L_BARCODE_BIN.
*
DATA L_NUM TYPE I.
DATA L_OLDCHAR.
DATA L_CHAR.
DATA L_WIDTH TYPE I.
DATA L_XPOS TYPE I.
DATA L_X_FIN TYPE P DECIMALS 3.
DATA L_% TYPE P DECIMALS 3.
*
L_NUM = STRLEN( L_BARCODE_BIN ) .
L_XPOS = D_X_INI.
*
REFRESH BC_DEC.
*
DO L_NUM TIMES .
L_CHAR = L_BARCODE_BIN(1).
IF ( L_CHAR NE L_OLDCHAR ) AND
L_OLDCHAR NE SPACE .
IF L_OLDCHAR = '1'.
BC_DEC-X1 = L_XPOS .
BC_DEC-Y1 = D_Y_INI.
BC_DEC-W1 = L_WIDTH .
BC_DEC-H1 = D_H_INI.
APPEND BC_DEC.
PERFORM WRITE_FORM.
ENDIF .
L_XPOS = L_XPOS + L_WIDTH.
CLEAR L_WIDTH .
CLEAR BC_DEC.
ENDIF .
L_WIDTH = L_WIDTH + 1 .
L_OLDCHAR = L_CHAR.
L_BARCODE_BIN = L_BARCODE_BIN+1.
ENDDO.
*
IF SY-SUBRC = 0.
IF L_CHAR = '1'.
BC_DEC-X1 = L_XPOS .
BC_DEC-Y1 = D_Y_INI.
BC_DEC-W1 = L_WIDTH .
BC_DEC-H1 = D_H_INI.
APPEND BC_DEC.
PERFORM WRITE_FORM.
ENDIF .
L_XPOS = L_XPOS + L_WIDTH.
ENDIF .
*
L_X_FIN = L_XPOS - D_X_INI.
IF L_X_FIN > 0.
L_% = D_W_INI / L_X_FIN.
ENDIF .
*
LOOP AT BC_DEC.
BC_DEC-X1 = BC_DEC-X1 * L_%.
BC_DEC-W1 = BC_DEC-W1 * L_%.
MODIFY BC_DEC.
ENDLOOP.
*
*
ENDFORM. " GENERA-BARCODE-BITMAP
&----
*& Form CHECKSUM-C128
&----
text
----
-->P_D_BARCODE text
----
FORM CHECKSUM-C128 USING D_BARCODE L_SUBSET.
*
DATA L_BARCODE(50).
DATA L_SUM TYPE I.
DATA L_NUM TYPE I.
DATA L_DEC(4) TYPE N.
DATA L_HEX(4) TYPE X.
DATA L_CHAR.
DATA L_INDEX LIKE SY-INDEX .
*
FIELD-SYMBOLS TYPE 'C'.
ASSIGN L_HEX TO <ASCII> CASTING.
*
L_CHAR = .
CONCATENATE D_BARCODE L_CHAR INTO D_BARCODE .
*
ENDFORM. " CHECKSUM-C128
&----
*& Form BC-START-STOP
&----
text
----
-->P_D_BARCODE text
----
FORM BC-START-STOP USING L_BARCODE L_START L_STOP.
*
CONCATENATE L_START L_BARCODE L_STOP INTO L_BARCODE .
*
ENDFORM. " BC-START-STOP
&----
*& Form INIT-TABLE
&----
text
----
--> p1 text
<-- p2 text
----
FORM INIT-TABLE USING L_PATH L_PATHSERVER.
*
DATA : BEGIN OF T_FILE OCCURS 0,
LINE(500).
DATA : END OF T_FILE .
*
DATA : BEGIN OF L_CODECS,
CODECS(10),
VALUE(5),
CODE(4),
PATTERN1(15) ,
PATTERN2(15) ,
PATTERN3(15) ,
PATTERN4(15) .
DATA : END OF L_CODECS.
*
Get data from Application Server or Presentation Server .
Get data from ZTABLE will be the best thing
*
CHECK T_CODECS[] IS INITIAL .
CASE L_PATHSERVER.
WHEN 'A' .
"Application Server
OPEN DATASET L_PATH FOR INPUT IN TEXT MODE.
CHECK SY-SUBRC = 0.
DO.
CLEAR T_FILE.
READ DATASET L_PATH INTO T_FILE.
IF SY-SUBRC NE 0.
APPEND T_FILE.
EXIT.
ELSE.
APPEND T_FILE.
ENDIF .
ENDDO.
CLOSE DATASET L_PATH.
WHEN 'P' .
"Presentation Server
CALL FUNCTION 'WS_UPLOAD'
EXPORTING
FILENAME = L_PATH
FILETYPE = 'ASC'
TABLES
DATA_TAB = T_FILE.
WHEN 'T' .
" Table SAP
SELECT * INTO TABLE T_CODECS FROM ZBARCODE_CODECS.
EXIT .
ENDCASE .
LOOP AT T_FILE.
CLEAR L_CODECS.
SPLIT T_FILE-LINE AT ';' INTO L_CODECS-CODECS
L_CODECS-VALUE
L_CODECS-CODE
L_CODECS-PATTERN1
L_CODECS-PATTERN2
L_CODECS-PATTERN3
L_CODECS-PATTERN4.
MOVE-CORRESPONDING L_CODECS TO T_CODECS.
APPEND T_CODECS.
ENDLOOP.
ENDFORM. " INIT-TABLE
&----
*& Form CHECKSUM-C39
&----
text
----
-->P_D_BARCODE text
----
FORM CHECKSUM-C39 USING D_BARCODE.
*
DATA L_BARCODE(50).
DATA L_SUM TYPE I.
DATA L_NUM TYPE I.
DATA L_DEC(4) TYPE N.
DATA L_HEX TYPE X.
DATA L_INDEX LIKE SY-INDEX .
*
FIELD-SYMBOLS INTO D_BARCODE .
*
ENDFORM. " CHECKSUM-C39
&----
*& Form CHECKSUM-EAN13
&----
text
----
-->P_D_BARCODE text
----
FORM CHECKSUM-EAN13 USING D_BARCODE.
*
DATA L_BARCODE(50).
DATA L_NUM TYPE I .
DATA L_PARIMPAR TYPE I.
DATA L_CODE TYPE I.
DATA L_NUMN TYPE N .
L_BARCODE = D_BARCODE .
L_NUM = STRLEN( L_BARCODE ) .
DO L_NUM TIMES .
L_NUMN = L_BARCODE(1).
L_PARIMPAR = SY-INDEX MOD 2.
IF L_PARIMPAR = 0.
L_CODE = L_CODE + ( L_NUMN * 3 ) .
ELSE.
L_CODE = L_CODE + L_NUMN.
ENDIF .
L_BARCODE = L_BARCODE+1.
ENDDO .
L_CODE = L_CODE MOD 10.
L_CODE = 10 - L_CODE .
L_CODE = L_CODE MOD 10.
L_NUMN = L_CODE.
*
CONCATENATE D_BARCODE L_NUMN INTO D_BARCODE .
*
ENDFORM. " CHECKSUM-EAN13
&----
*& Form GENERA-BARCODE-NUMERICO-EAN13
&----
text
----
-->P_D_BARCODE text
-->P_D_BARCODE text
----
FORM GENERA-BARCODE-NUMERICO-EAN13 USING D_BARCODE L_BARCODE_BIN.
*
DATA L_BARCODE(50) .
DATA L_NUM TYPE I .
DATA L_SEPARADOR(10) VALUE '01010'.
DATA L_PARITY(15).
*
L_BARCODE = D_BARCODE.
CATCH SYSTEM-EXCEPTIONS CONVT_NO_NUMBER = 1.
L_NUM = L_BARCODE(1).
ENDCATCH.
CHECK SY-SUBRC = 0.
*
READ TABLE T_CODECS WITH KEY CODECS = D_FONT
VALUE = L_NUM.
CHECK SY-SUBRC = 0.
L_PARITY = T_CODECS-PATTERN4.
*
L_BARCODE = L_BARCODE+1 .
*
DO 6 TIMES .
CATCH SYSTEM-EXCEPTIONS CONVT_NO_NUMBER = 1.
L_NUM = L_BARCODE(1).
ENDCATCH.
CHECK SY-SUBRC = 0.
READ TABLE T_CODECS WITH KEY CODECS = D_FONT
VALUE = L_NUM.
CHECK SY-SUBRC = 0.
IF L_PARITY(1) = 'o'.
CONCATENATE L_BARCODE_BIN T_CODECS-PATTERN1
INTO L_BARCODE_BIN.
ELSE.
CONCATENATE L_BARCODE_BIN T_CODECS-PATTERN2
INTO L_BARCODE_BIN.
ENDIF .
L_PARITY = L_PARITY+1 .
L_BARCODE = L_BARCODE+1 .
ENDDO .
*
CONCATENATE L_BARCODE_BIN L_SEPARADOR INTO L_BARCODE_BIN.
*
DO 6 TIMES .
CATCH SYSTEM-EXCEPTIONS CONVT_NO_NUMBER = 1.
L_NUM = L_BARCODE(1).
ENDCATCH.
CHECK SY-SUBRC = 0.
READ TABLE T_CODECS WITH KEY CODECS = D_FONT
VALUE = L_NUM.
CONCATENATE L_BARCODE_BIN T_CODECS-PATTERN3
INTO L_BARCODE_BIN.
L_BARCODE = L_BARCODE+1 .
ENDDO .
*
CONCATENATE '101' L_BARCODE_BIN '101' INTO L_BARCODE_BIN.
*
ENDFORM. " GENERA-BARCODE-NUMERICO-EAN13
&----
*& Form BARCODE-ENCODE
&----
text
----
--> p1 text
<-- p2 text
----
FORM BARCODE-ENCODE USING L_PATH L_PATHSERVER.
*
REFRESH BC_DEC .
*
CASE D_FONT .
PERFORM INIT-TABLE USING L_PATH L_PATHSERVER.
C128 ( subsets A/B/C )
WHEN 'C128'.
IF D_CHECKS NE SPACE .
PERFORM CHECKSUM-C128 USING D_BARCODE D_SUBSET.
ENDIF .
CASE D_SUBSET.
WHEN 'A'. PERFORM BC-START-STOP USING D_BARCODE 'Ë' 'Î'.
WHEN 'B'. PERFORM BC-START-STOP USING D_BARCODE 'Ì' 'Î'.
WHEN 'C'. PERFORM BC-START-STOP USING D_BARCODE 'Í' 'Î'.
ENDCASE .
PERFORM GENERA-BARCODE-NUMERICO USING D_BARCODE '' D_BARCODE_BIN.
C39
WHEN 'C39'.
IF D_CHECKS NE SPACE .
PERFORM CHECKSUM-C39 USING D_BARCODE.
ENDIF .
PERFORM BC-START-STOP USING D_BARCODE '' ''.
PERFORM GENERA-BARCODE-NUMERICO USING D_BARCODE '0' D_BARCODE_BIN
.
EAN8
EAN13
WHEN 'EAN13'.
IF D_CHECKS NE SPACE .
PERFORM CHECKSUM-EAN13 USING D_BARCODE.
ENDIF .
PERFORM GENERA-BARCODE-NUMERICO-EAN13 USING D_BARCODE
D_BARCODE_BIN.
PERFORM BC-START-STOP USING D_BARCODE_BIN '101' '101'.
CODABAR
WHEN 'CODABAR'.
PERFORM BC-START-STOP USING D_BARCODE 'A' 'A'.
PERFORM GENERA-BARCODE-NUMERICO USING D_BARCODE '' D_BARCODE_BIN.
C93
WHEN 'C93'.
PERFORM GENERA-BARCODE-NUMERICO USING D_BARCODE '' D_BARCODE_BIN.
PERFORM BC-START-STOP USING D_BARCODE_BIN '101011110'
'1010111101'.
UPC A/E
WHEN 'UPC'.
CASE D_SUBSET.
WHEN 'A'.
WHEN 'E'.
ENDCASE .
ENDCASE .
*
PERFORM GENERA-BARCODE-BITMAP USING D_BARCODE_BIN.
*
ENDFORM. " BARCODE-ENCODE
h5. 3. Create Include ZBARCODE_FORMVIEWER
----
INCLUDE ZBARCODE_FORMVIEWER *
----
*
DATA : BEGIN OF BC,
X1(10),
Y1(10),
W1(10),
H1(10).
DATA : END OF BC.
DATA : BEGIN OF BC_DEC OCCURS 500.
INCLUDE STRUCTURE ZBARCODE_COORDS.
DATA : END OF BC_DEC.
*
Emulador códigos de Barras FORM - Ventana Variable
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*
&----
*& Form WRITE_FORM_BARCODE_VAR
&----
text
----
--> p1 text
<-- p2 text
----
FORM WRITE_FORM_BARCODE_VAR USING L_ELEMENT L_WINDOW.
*
FIELD-SYMBOLS: .
ENDLOOP.
*
CALL FUNCTION 'WRITE_FORM'
EXPORTING
ELEMENT = L_ELEMENT
FUNCTION = 'APPEND'
WINDOW = L_WINDOW
EXCEPTIONS
OTHERS = 1.
*
ENDFORM. " WRITE_FORM_BARCODE_VAR
&----
*& Form WRITE_FORM_BARCODE_MAIN
&----
text
----
--> p1 text
<-- p2 text
----
FORM WRITE_FORM_BARCODE_MAIN USING L_ELEMENT L_WINDOW.
*
LOOP AT BC_DEC.
MOVE-CORRESPONDING BC_DEC TO BC .
*
CALL FUNCTION 'WRITE_FORM'
EXPORTING
ELEMENT = L_ELEMENT
FUNCTION = 'SET'
WINDOW = L_WINDOW
EXCEPTIONS
OTHERS = 1.
ENDLOOP.
*
ENDFORM. " WRITE_FORM_BARCODE_MAIN
h5. 4. Create Function Module Z_BARCODE_CREATE
Input Parameters :
!https://weblogs.sdn.sap.com/weblogs/images/251866795/Z_BARCODE_CREATE_IMPORT2.jpg|height=336|alt=ima...!
Table Parameters :
!https://weblogs.sdn.sap.com/weblogs/images/251866795/ZBARCODE_CREATE_TABLES.jpg|height=157|alt=image...!
Global Data : include ZBARCODE_GENERATOR in global data (LZBARCODETOP)
!https://weblogs.sdn.sap.com/weblogs/images/251866795/Z_BARCODE_CREATE_GLOBALDATA.jpg|height=202|alt=...!
Source Code of function module Z_BARCODE_CREATE :
FUNCTION Z_BARCODE_CREATE.
*"----
""Interfase local
*" IMPORTING
*" REFERENCE(BARCODE) TYPE C
*" REFERENCE(FONT) TYPE C
*" REFERENCE(SUBSET) TYPE C OPTIONAL
*" REFERENCE(CHECKSUM) TYPE C DEFAULT 'X'
*" REFERENCE(ROTATE) TYPE C OPTIONAL
*" REFERENCE(X_INI) TYPE P OPTIONAL
*" REFERENCE(Y_INI) TYPE P OPTIONAL
*" REFERENCE(W_INI) TYPE P
*" REFERENCE(H_INI) TYPE P
*" REFERENCE(CODECSPATH) LIKE RLGRAP-FILENAME
*" REFERENCE(PATHSERVER) TYPE C
*" TABLES
*" BC_COORDS STRUCTURE ZBARCODE_COORDS OPTIONAL
*"----
----
CODEBAR | SUBSET | CHECKSUM | CODECS | TESTED | *
C128 | A | Yes | C128 | Intermec CK31-1551 | *
C128 | B | Yes | C128 | Intermec CK31-1551 | *
C128 | C | Yes | C128 | Intermec CK31-1551 | *
C39 | | Yes | C39 | Intermec CK31-1551 | *
EAN8 | | Yes | EAN13 | No | *
EAN13 | | Yes | EAN13 | Intermec CK31-1551 | *
EAN14 | | Yes | C128 | Intermec CK31-1551 | *
CODABAR | | No | CODABAR| Intermec CK31-1551 | *
UPCEAN | A | Yes | UPCEAN | No | *
UPCEAN | E | Yes | UPCEAN | No | *
----
*
DATA L_AUX LIKE ZBARCODE_COORDS-X1.
*
D_BARCODE = BARCODE.
D_X_INI = X_INI.
D_Y_INI = Y_INI.
D_W_INI = W_INI.
D_H_INI = H_INI.
D_FONT = FONT.
D_SUBSET = SUBSET.
D_CHECKS = CHECKSUM.
*
PERFORM BARCODE-ENCODE USING CODECSPATH PATHSERVER.
**
LOOP AT BC_DEC.
Rotate 90
IF ROTATE NE SPACE .
L_AUX = BC_DEC-X1.
BC_DEC-X1 = BC_DEC-Y1.
BC_DEC-Y1 = L_AUX.
L_AUX = BC_DEC-W1.
BC_DEC-W1 = BC_DEC-H1.
BC_DEC-H1 = L_AUX.
MODIFY BC_DEC.
ENDIF .
MOVE-CORRESPONDING BC_DEC TO BC_COORDS.
APPEND BC_COORDS.
ENDLOOP .
BC_COORDS[] = BC_DEC[].
ENDFUNCTION.
h5. 5. CODECS file
Save the codecs file in the SAP Application Server or in your local PC . When you execute the function , you must inform the path in the input parameter.
h4. MANUAL
Function Z_BARCODE_CREATE : you can use this function to create the Barcode coordinates
Parameters :
BARCODE | initial string |
FONT | type of Barcode ( referenced to the table CODECS ) |
SUBSET | subset of Barcode ( referenced to the table CODECS ) |
CHECKSUM | generate check code (flag) |
ROTATE | Rotate Barcode 90º (flag) |
X_INI | initial X position |
Y_INI | initial Y position |
W_INI | Weight of the image |
H_INI | High of the image |
CODECSPATH | CODECS file path |
PATHSERVER | type of path ( P = presentation server / A = application server / T = Table ) |
Output table : Barcode coordinates of each black bar
X1 | X coordinate |
Y1 | Y coordinate |
W1 | Weight |
H1 | High |
Display the barcode in a SAPSCRIPT Forms or Smartforms : It depends on the window type of the Form you need to use differents PERFORMs developed in the ZBARCODE_FORMVIEWER include.
SAPSCRIPT => MAIN WINDOW : use PERFORM WRITE_FORM_BARCODE_MAIN . You need to create an element in the Main Window
SAPSCRIPT => VAR WINDOW : use PERFORM WRITE_FORM_BARCODE_VAR . In that case, you can't call to write many times at the same window ( because it isn't Main window ) . It's necesary create a SAPSCRIPT form with all the black bar ( max 500 bars ).
SMARTFORM : you have the internal table with the Barcode coordinates. Looping this table you can display the black bars in a Smartform.
h4. EXAMPLES
This report display a sapscript form using the Z_BARCODE_CREATE function module and ZBARCODE_FORMVIEWER to display the form. If you print the form , you can convert the sap-spool to the PDF file using CONVERT_OTF function module.
PDF generated from SAP-SPOOL :
!https://weblogs.sdn.sap.com/weblogs/images/251866795/PDF_barcode_example.JPG|height=379|alt=image|wi...!
Source Code Z_BCTEST :
REPORT ZBC_TEST .
----
----
PARAMETERS PBARCODE(50) LOWER CASE.
SELECTION-SCREEN SKIP .
*PARAMETERS P_% TYPE I DEFAULT 100.
PARAMETERS P_X_INI TYPE P DECIMALS 3 DEFAULT 5.
PARAMETERS P_Y_INI TYPE P DECIMALS 3 DEFAULT 5.
PARAMETERS P_W_INI TYPE P DECIMALS 3 DEFAULT 400.
PARAMETERS P_H_INI TYPE P DECIMALS 3 DEFAULT 150.
SELECTION-SCREEN SKIP .
PARAMETERS P_FONT(10).
PARAMETERS P_SUBSET(5).
PARAMETERS P_CHECKS AS CHECKBOX DEFAULT 'X'.
PARAMETERS P_ROTATE AS CHECKBOX .
PARAMETERS P_CODEC LIKE RLGRAP-FILENAME OBLIGATORY.
PARAMETERS P_SERVER.
----
INCLUDE ZBARCODE_FORMVIEWER.
*
START-OF-SELECTION.
D_BARCODE = PBARCODE.
D_X_INI = P_X_INI.
D_Y_INI = P_Y_INI.
D_W_INI = P_W_INI.
D_H_INI = P_H_INI.
D_FONT = P_FONT.
D_SUBSET = P_SUBSET.
D_CHECKS = P_CHECKS.
*
PERFORM BARCODE-ENCODE .
EXPORT BC_DEC TO MEMORY ID 'BARCODE'.
CALL FUNCTION 'Z_BARCODE_CREATE'
EXPORTING
BARCODE = PBARCODE
FONT = P_FONT
SUBSET = P_SUBSET
CHECKSUM = P_CHECKS
ROTATE = P_ROTATE
X_INI = P_X_INI
Y_INI = P_Y_INI
W_INI = P_W_INI
H_INI = P_H_INI
CODECSPATH = P_CODEC
PATHSERVER = P_SERVER
TABLES
BC_COORDS = BC_DEC.
*
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
IF NOT BC_DEC[] IS INITIAL .
PERFORM OPEN_FORM .
PERFORM WRITE_FORM_BARCODE_MAIN USING 'BARCODE' 'MAIN'.
PERFORM CLOSE_FORM.
ENDIF .
*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*
----
&----
*& Form OPEN_FORM
&----
text
----
--> p1 text
<-- p2 text
----
FORM OPEN_FORM.
*
DATA I_ITCPO LIKE ITCPO.
*
CLEAR I_ITCPO.
I_ITCPO-TDNEWID = 'X'.
I_ITCPO-TDPREVIEW = 'X'.
I_ITCPO-TDNOPRINT = ' '.
*
CALL FUNCTION 'OPEN_FORM'
EXPORTING
APPLICATION = 'TX'
DEVICE = 'PRINTER'
DIALOG = 'X'
FORM = 'ZBC_TEST'
LANGUAGE = SY-LANGU
OPTIONS = I_ITCPO
EXCEPTIONS
CANCELED = 1
DEVICE = 2
FORM = 3
OPTIONS = 4
UNCLOSED = 5
MAIL_OPTIONS = 6
ARCHIVE_ERROR = 7
INVALID_FAX_NUMBER = 8
MORE_PARAMS_NEEDED_IN_BATCH = 9
SPOOL_ERROR = 10
OTHERS = 11.
*
ENDFORM. " OPEN_FORM
&----
*& Form CLOSE_FORM
&----
text
----
--> p1 text
<-- p2 text
----
FORM CLOSE_FORM.
*
DATA: ITCPP TYPE ITCPP.
CALL FUNCTION 'CLOSE_FORM'
IMPORTING
RESULT = ITCPP.
*
ENDFORM. " CLOSE_FORM
Form Z_BCTEST (SE71): Create a sapscript form Z_BCTEST with a MAIN window. Include the BARCODE element into the main window.
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