Barcode Functions (1D)

[Enhanced Edition and above]

Generates and draws a barcode within a rectangle at position x, y, with the right border at x2 and the bottom border at y2.

VPE doesn't enforce the absolute size of the barcode (left to the responsibility of the caller), but it does enforce the exactness of the relative widths of the bars at the output device's pixel level (other than screen).

Consider a barcode consisting of 1 bar, 1 space and 1 bar, with width ratios 3:1:2. The minimum width of the barcode is 6 pixels, other possible sizes are 12, 18 and so on. If you give a rectangle where only 5 pixels might fit, the barcode will still occupy 6 pixels. Don't make the rectangle too small. Normally the barcodes will be drawn inside the rectangle and as big as possible due to the exactness of the relative widths of the bars.

The color of bars and barcode text is set with VpeSetTextColor. The font used for the barcode labels can be specified with the property FontName, for example UPC-A and UPC-E require an OCR-B font. In addition the font size for barcode labels can be specified with the property FontSize.

void VpeBarcode(

VpeHandle hDoc,

VpeCoord x,

VpeCoord y,

VpeCoord x2,

VpeCoord y2,

int code_type,

LPCSTR code,

LPCSTR add_code

)

VpeHandle hDoc

Document Handle

VpeCoord x, y, x2, y2

position and dimensions

int code_type

see below

LPCSTR code

string with the code (e.g. "123456")

LPCSTR add_code

string with the add-on code, if add-on barcode type chosen, else NULL (0)

the parameter "code_type" can be one of the following values:

Constant Name	Value	Comment
BCT_EAN13	1	Checkdigit required, OCR-B Font required
BCT_EAN13_2	10	Checkdigit required, OCR-B Font required
BCT_EAN13_5	11	Checkdigit required, OCR-B Font required
BCT_EAN8	2	Checkdigit required, OCR-B Font required
BCT_EAN8_2	12	Checkdigit required, OCR-B Font required
BCT_EAN8_5	13	Checkdigit required, OCR-B Font required
BCT_UPCA	3	Checkdigit required, OCR-B Font required
BCT_UPCA_2	14	Checkdigit required, OCR-B Font required
BCT_UPCA_5	15	Checkdigit required, OCR-B Font required
BCT_UPCE	9	first digit always '0', Checkdigit required,OCR-B Font required
BCT_UPCE_2	16	first digit always '0', Checkdigit required, OCR-B Font required
BCT_UPCE_5	17	first digit always '0', Checkdigit required, OCR-B Font required
BCT_EAN2	28	no Checkdigit
BCT_EAN5	29	no Checkdigit
BCT_CODABAR	5	Checkdigit optional, uThick / uThin
BCT_2OF5	7	2 of 5 Industrial (25ID), Checkdigit optional, uThick / uThin
BCT_INTERLEAVED2OF5	8	2 of 5 Interleaved (25IL), Checkdigit optional, uThick / uThin
BCT_CODE39	6	Code 3 of 9, Checkdigit optional, uThick / uThin
BCT_CODE39EXT	30	Code 3 of 9 Extended, Checkdigit optional, uThick / uThin
BCT_CODE93	21	Code 93, Checkdigit optional
BCT_CODE93EXT	31	Code 93 Extended, Checkdigit optional
BCT_POSTNET	22	uThick / uThin
BCT_CODE128	26	set of CODE 128A, B and C, Checkdigit required for GS1-128 / UCC-128 use EAN128
BCT_EAN128	27	set of EAN 128A, B and C, Checkdigit required
BCT_RM4SCC	32	Royal Mail 4 State Customer Code, Checkdigit required
BCT_MSI	33	Checkdigit optional, uThick / uThin
BCT_ISBN	34	International Standard Book Number, Checkdigit required
BCT_ISBN_5	35	ISBN + EAN5 (for pricing), Checkdigit required
BCT_IDENTCODE	36	Identcode of the Deutsche Post AG, Checkdigit required
BCT_LEITCODE	37	Leitcode of the Deutsche Post AG, Checkdigit required
BCT_PZN	38	Pharma Zentral Code, Checkdigit required, uThick / uThin
BCT_CODE11	39	Code 11, Checkdigit optional, uThick / uThin
BCT_2OF5MATRIX	40	2 of 5 Matrix, Checkdigit optional, uThick / uThin
BCT_TELEPENA	41	Telepen-A, Checkdigit optional
BCT_INTELLIGENT_MAIL	42	Intelligent Mail

Remarks:

VPE offers several methods to attach an object's position to margins and relative to the position of previously inserted objects. In addition Text, Rich Text and Picture objects are able to compute their dimensions automatically depending on their visual content.

For details please see "Dynamic Positioning" in the Programmer's Manual.