ReadImages.py

#############################################################
 # 
 # FILE:        ReadImages.py
 # DATE:        04/28/2022
 # COMPANY:     BitFlow, Inc.
 # DESCRIPTION: A simple example of reading images from the disk 
 #              into a buffer array and displaying them.
 #
#############################################################

import platform
import os

if(platform.system() == 'Windows'):
    import sys
    import msvcrt

    if (sys.version_info.major >= 3 and sys.version_info.minor >= 8):
        #Following lines specifying, the location of DLLs, are required for Python Versions 3.8 and greater
        os.add_dll_directory("C:\BitFlow SDK 6.5\Bin64")
        os.add_dll_directory("C:\Program Files\CameraLink\Serial")

import BFModule.BufferAcquisition as Buf
import BFModule.Display as Disp

import time

def main():
    print('Read Images Example')
    print('----------------------')

    numBuffers = 10

    cirAq = Buf.clsCircularAcquisition()

    #Call Open board function by showing the Board select dialog
    cirAq.Open()

    #Allocate the requested number of buffers
    BufArr = cirAq.BufferSetup(numBuffers)

    #Read the image files "Image_x.tiff"
    try:
        cirAq.ReadImageFiles("Image00000000.TIFF", numBuffers)
    except Exception as e:
        print('ReadImageFiles error: ', e)
    else:
        #Create Display instance
        disp = Disp.clsDisp(cirAq)

        #Open display window
        disp.Open()

        print('\nDisplaying images . . .')

        print('Hit: \n    \'L\' to loop through all images once, \n    \'N\' to loop through one image at a time')

        flag = False
        loop = False

        while(not(flag)):
            val = input()
            if (val.upper() == 'L'):
                loop = True
                flag = True
            elif(val.upper() == 'N'):
                loop = False
                flag = True
            else:
                print('Invalid Entry.')
                loop = False
                flag = False

        for i in range(0, numBuffers):
            print('\tDisplaying frame', (i+1), 'of ', numBuffers, '\r', end="")
            disp.Update(BufArr[i])
            if(loop):
                time.sleep(0.25)
            else:
               input()

        input("\nPress the Return key to exit.")

        disp.Close()

    cirAq.BufferCleanup()

    cirAq.Close()

if __name__ == "__main__":
    main()