How to use _screenToWindow method in fMBT

Best Python code snippet using fMBT_python

eyenfinger.py

Source:eyenfinger.py

...1381    draw_commands = ["-stroke", "red", "-fill", "blue", "-draw", "fill-opacity 0.2 circle %s,%s %s,%s" % (1382        x, y, x + 20, y)]1383    draw_commands += ["-stroke", "none", "-fill", "red", "-draw", "point %s,%s" % (x, y)]1384    _runDrawCmd(inputfilename, draw_commands, outputfilename)1385def _screenToWindow(x,y):1386    """1387    Converts from absolute coordinats to window coordinates1388    """1389    offsetX = _g_windowOffsets[_g_lastWindow][0]1390    offsetY = _g_windowOffsets[_g_lastWindow][1]1391    return (x-offsetX, y-offsetY)1392def _windowToScreen(x,y):1393    """1394    Converts from window coordinates to screen coordinates1395    """1396    offsetX = _g_windowOffsets[_g_lastWindow][0]1397    offsetY = _g_windowOffsets[_g_lastWindow][1]1398    return (x+offsetX, y+offsetY)1399def drawLines(inputfilename, outputfilename, orig_coordinates, final_coordinates):1400    """1401    coordinates contains the coordinates connected by lines1402    """1403    if inputfilename == None:1404        return1405    # The command which will be run1406    draw_commands = []1407    for pos in xrange(len(final_coordinates)-1):1408        # Get the pair coordinates1409        (x, y) = (final_coordinates[pos][0], final_coordinates[pos][1])1410        (nextX, nextY) = (final_coordinates[pos+1][0], final_coordinates[pos+1][1])1411        # Convert to window coordinates1412        (drawX, drawY) = _screenToWindow(x,y)1413        (drawnextX, drawnextY) = _screenToWindow(nextX, nextY)1414        # Draw a pair of circles. User-given points are blue1415        if (x, y) in orig_coordinates:1416            draw_commands +=  ["-fill", "blue", "-stroke", "red", "-draw", "fill-opacity 0.2 circle %d, %d %d, %d" % (drawX, drawY, drawX-5, drawY-5)]1417        # Computer-generated points are white1418        else:1419            draw_commands +=  ["-fill", "white", "-stroke", "red", "-draw", "fill-opacity 0.2 circle %d, %d %d, %d" % (drawX, drawY, drawX-5, drawY-5)]1420        # Draw the line between the points1421        draw_commands += ["-stroke", "red", "-draw", "line %d, %d, %d, %d" % (drawX, drawY, drawnextX, drawnextY)]1422        draw_commands += ["-stroke", "black", "-draw", "line %d, %d, %d, %d" % (drawX+1, drawY+1, drawnextX+1, drawnextY+1)]1423    if len(final_coordinates) > 0:1424        lastIndex = len(final_coordinates)-11425        (finalX, finalY) = _screenToWindow(final_coordinates[lastIndex][0], final_coordinates[lastIndex][1])1426        draw_commands += ["-fill", "blue", "-stroke", "red", "-draw", "fill-opacity 0.2 circle %d, %d %d, %d" % (finalX, finalY, finalX-5, finalY-5)]1427    _runDrawCmd(inputfilename, draw_commands, outputfilename)1428def evaluatePreprocessFilter(imageFilename, ppfilter, words):1429    """1430    Visualise how given words are detected from given image file when1431    using given preprocessing filter.1432    """1433    global _g_preprocess1434    evaluatePreprocessFilter.count += 11435    preprocessed_filename = '%s-pre%s.png' % (imageFilename, evaluatePreprocessFilter.count)1436    _runcmd("convert '%s' %s '%s' && tesseract %s eyenfinger.autoconfigure hocr" %1437           (imageFilename, ppfilter, preprocessed_filename,1438            preprocessed_filename))1439    detected_words = _hocr2words(file("eyenfinger.autoconfigure.html").read())...

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