Customized Drawing (Callbacks)
[Drawing and Saving Barcodes]

The standard functionality of TBarCode for drawing/saving barcodes may be customized with these call-back functions. More...

Functions
fn_DrawRow	BCGetFuncDrawRow (t_BarCode *pBarCode)
	Gets call-back function for drawing a single row of a barcode.
ERRCODE	BCSetFuncDrawRow (t_BarCode *pBarCode, fn_DrawRow fn)
	Sets the callback function for drawing a single row of a barcode.
fn_DrawBar	BCGetFuncDrawBar (t_BarCode *pBarCode)
	Gets call-back function for drawing a bar.
ERRCODE	BCSetFuncDrawBar (t_BarCode *pBarCode, fn_DrawBar fn)
	Sets call-back function for drawing the bars of a barcode.
fn_DrawRing	BCGetFuncDrawRing (t_BarCode *pBarCode)
	Gets call-back function for drawing a MaxiCode finder ring.
ERRCODE	BCSetFuncDrawRing (t_BarCode *pBarCode, fn_DrawRing fn)
	Sets call-back function for drawing the MaxiCode finder rings.
fn_DrawHexagon	BCGetFuncDrawHexagon (t_BarCode *pBarCode)
	Gets call-back function for drawing a MaxiCode hexagon.
ERRCODE	BCSetFuncDrawHexagon (t_BarCode *pBarCode, fn_DrawHexagon fn)
	Sets call-back function for drawing the MaxiCode finder rings.
LPVOID	BCGetCBData (t_BarCode *pBarCode)
	Gets the user-defined data that is passed to the callback functions.
VOID	BCSetCBData (t_BarCode *pBarCode, LPVOID customData)
	Sets the user-defined data that is passed to the callback functions.
ERRCODE	BCDrawCB (t_BarCode *pBarCode, HDC hDC, RECT *pRect)
	Callback version of barcode draw function.
fn_DrawTextA	BCGetFuncDrawTextA (t_BarCode *pBarCode)
	Gets call-back function for drawing a text Returns currently adjusted function pointer.
fn_DrawTextW	BCGetFuncDrawTextW (t_BarCode *pBarCode)
	Gets call-back function for drawing a text Returns currently adjusted function pointer.
ERRCODE	BCSetFuncDrawTextA (t_BarCode *pBarCode, fn_DrawTextA fn)
	Sets call-back function for drawing the human readable text of a barcode.
ERRCODE	BCSetFuncDrawTextW (t_BarCode *pBarCode, fn_DrawTextW fn)
	Sets call-back function for drawing the human readable text of a barcode.
LPCSTR	BCGetMetaDataA (t_BarCode *pBarCode)
	Returns meta-representation of a barcode.
LPCWSTR	BCGetMetaDataW (t_BarCode *pBarCode)
	Returns meta-representation of a barcode.

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Detailed Description

The standard functionality of TBarCode for drawing/saving barcodes may be customized with these call-back functions.

For simple barcode generating/barcode printing applications these call-back functions are not required.

Note:

: A valid license is required to test the callback functions. Callback functions are disabled without a valid license.
Temporary licenses for testing are available from mailto:barcode@tec-it.com.