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padInvert
Inverts an area on the LCD screen by turning all black pixels white and all white pixels black. The area to be inverted is
defined by the coordinates specified by
X
and
Y
, using the size specified by
Width
and
Height
.
Syntax
BOOL padInvert(
int X,
int Y,
int Width,
int Height
)
Parameter
Description
X
Horizontal coordinate from which to start inverting
Y
Vertical coordinate from which to start inverting
Width
Horizontal size in pixels of the area to invert
Height
Vertical size in pixels of the area to invert
Returns
Returns TRUE if successful, FALSE otherwise.
See Also
padBox, padClearPixel, padFrame, padLine, padSetPixel
padIsaReset
Checks to determine if an extension card device is attached .
Syntax
BOOL padIsaReset (
WORD FAR * status
)
Parameter
Description
status
The address to contain the ISA status
Returns
Returns TRUE if successful, FALSE otherwise.
See Also
padWidth, padVertDPI
padIsKey
The functions checks if the DUKPT key has been set. The DUKPT key is used to secure the current transactions.
Syntax
BOOL padIsKey(
BYTE *IsKey
)
Parameter
Description
IsKey
Pointer to a BYTE type data that returns TRUE if DUKPT is set, FALSE if it is not.
Summary of Contents for PadCom TT1500
Page 1: ... PadCom Point of Sale Terminal Control Library U s e r s G u i d e ...
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