IPC@CHIP® Graphics Library – API Documentation

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GcErrorCode gcGetTouchPosRaw ( short *  x,
short *  y 
)

This function can be used to get the raw x/y coordinates from the touch panel. The raw coordinates are not really coordinates. They are resistance/voltage values that have been measured from the touch panel, but have not been converted to pixel coordinates. These values are necessary for calibrating the touch panel. For a general description on how to perform the calibration see the main page of the Touch Panel Functions.

Parameters:
x Raw x value
y Raw y value
Returns:
One of the following error codes is returned:
Since:
1.00
Targets:

GC01

GC04

X

X

See also:
gcInitTouch, gcLoadTouchInitParams, gcSaveTouchInitParams





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