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Message #55438
Re: [Question #691876]: Reading String output of a DLL in Sikuli
Question #691876 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/691876
Vinitha Palanisamy posted a new comment:
Hi Raiman,
Thank you for your time. Actually my problem was solved. Following is
the working code. I have missed the line 'ocrStrBufObj =
ocrStrBufClass(ocrInitStr)' (line 4 in following snippet) previously
which made my code not working.
from ctypes import *
ocrStrBufClass = c_char_p
ocrStrBufSize = 100
ocrInitStr = ' ' * ocrStrBufSize
ocrStrBufObj = ocrStrBufClass(ocrInitStr)
dllPath = "D:\Sikuli\LabVIEWOCR\DLL\LabVIEWOCR.dll"
#void __cdecl PerformOCR(char ReadString[], int32_t len);
mydll = cdll.LoadLibrary(dllPath)
funcPerformOCR = mydll.PerformOCR
funcPerformOCR.argtypes = [c_char_p, c_longlong]
funcPerformOCR.restype = c_void_p
funcPerformOCR(ocrStrBufObj, ocrStrBufSize)
print(ocrStrBufObj.value)
Regards,
Vintiha
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