Code of TutorialP3

Code of 'TutorialP3'
import FiltersDllPy as FDP import time

def testWebCam: filtersPlugin_WebCam = f.CreateFilter( "filtersPlugin_WebCam" ) f.SetParameterBoolean( filtersPlugin_WebCam, "showViewer", False ) f.RunCommand( filtersPlugin_WebCam, 'READ_DEVICES' ) devices = f.GetOutputArrayPointers( filtersPlugin_WebCam, 'devices' ) devices_length = f.GetOutputArrayPointersLength( filtersPlugin_WebCam, 'devices' ) print 'found [%d] devices :' % devices_length f.DeleteFilter( filtersPlugin_WebCam )
 * 1) test WebCam

def testVideo: # we create the [filtersPlugin_Video] filtersPlugin_Video = f.CreateFilter( "filtersPlugin_Video" ) # for debug only, we would like to see it's window, to see the video f.SetParameterBoolean( filtersPlugin_Video, "showViewer", True ) f.SetParameterInteger( filtersPlugin_Video, "win_x", 0 ) f.SetParameterInteger( filtersPlugin_Video, "win_y", 0 ) # we set the file name of the video to load f.SetParameterString( filtersPlugin_Video, "fileName", "C:/DEV2/Images/pieces200608/320/OK_320_1.avi" ) # we ask to load it   f.RunCommand( filtersPlugin_Video, 'LOAD' ) # and to play it   print 'play the video' f.RunCommand( filtersPlugin_Video, 'PLAY' ) # now we will capture images of the playing video, and apply a [filterContrastExplorer] on each captured image filterContrastExplorer = f.CreateFilter( "filterContrastExplorer" ) fImageContrast = None # we will use [filtersPlugin_Viewer] to show the image contrast of the image capture filtersPlugin_Viewer = f.CreateFilter( "filtersPlugin_Viewer" ) f.SetParameterBoolean( filtersPlugin_Viewer, "showViewer", True ) f.SetParameterInteger( filtersPlugin_Viewer, "win_x", 0 ) f.SetParameterInteger( filtersPlugin_Viewer, "win_y", 200 ) # we capture n images n = 20 for i in range(n): # we sleep 1s between each capture time.sleep(0.5) # we capture a image from the video print 'capture image ' + str(i+1) f.Run( filtersPlugin_Video ) fImageCapture = f.GetOutputImage( filtersPlugin_Video, 'outImage') # we can save it       f.saveImage( fImageCapture, 'C:/DEV/FiltersTutorial/Bin/tutorialP3_capture.bmp') # we apply the contrast filter on it       print 'apply contrast on captured image' if fImageContrast<>None: f.FreeImage( fImageContrast ) fImageContrast = f.CreateImageLike( fImageCapture ) f.SetParameterImage( filterContrastExplorer, 'inImage', fImageCapture ); f.SetParameterImage( filterContrastExplorer, 'outImage', fImageContrast ); f.SetParameterInteger( filterContrastExplorer, 'precision', 1 ); f.SetParameterString( filterContrastExplorer, 'mode', 'NORMAL' ); f.Run( filterContrastExplorer ) # we show it in the viewer f.SetParameterImage( filtersPlugin_Viewer, 'inImage', fImageContrast ) f.Run( filtersPlugin_Viewer ) # we can save it too f.saveImage( fImageContrast, 'C:/DEV/FiltersTutorial/Bin/tutorialP3_contrast.bmp') print 'stop the video' f.RunCommand( filtersPlugin_Video, 'STOP' ) print 'press [ENTER] to finish...' ch=raw_input f.DeleteFilter( filterContrastExplorer ) f.DeleteFilter( filtersPlugin_Viewer ) f.DeleteFilter( filtersPlugin_Video ) f.FreeImage( fImageContrast )
 * 1) test Video

f = FDP.FiltersDllPy f.setProperty("PLUGINS_DIRECTORY","c:/DEV/FiltersTutorial/Bin/") print 'Initialize' f.Initialize print 'Filters version : ' + f.version
 * 1) we would like to be sure of the directory used by Filters to search for plugins

testWebCam testVideo

print 'UnInitialize' f.UnInitialize