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Python scanning library for cross platform environment based on SANE and TWAIN

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pyScanLib

An combination of Twain and SANE API

Requirements:

  • Python 2.6/2.7 (Windows)
  • Python 2.6-3.4 (Linux)
  • SANE API for Linux, Mac OS
  • TWAIN API for Win32

Functions:

  • pyScanLib() - Main Class
  • getScanners() - Return Scanner with Name
  • setScanners(scannerName)
  • setDPI(dpi)
  • setScanArea(left,top,width,height) - For scanning selected Area size in Inches
  • getScannerSize() - Return scanner size eg. (left, top, right, bottom)
  • setPixelType("color") - bw (Black & White), gray and color
  • scan() - Start Scanning
  • closeScanner() - Unselect selected scanner
  • close() - Destory connected API Class

Special Function:

  • pixelToInch(pixel) - Convert Pixel(s) to Inch(es)
  • cmToInch(cm) - Convert Centimeter(s) to Inch(es)
  • inchTomm(inch) - Convert Inch(es) to Millimeter(s)
  • mmToInch(mm) - Convert Millimeter(s) to Inch(es)

Library Installation:

  • Linux or Mac OS
  • brew install sane-backends
  • pip install python-sane
  • Windows

Example:

    from pyScanLib import pyScanLib

    ls = pyScanLib() # load scanner library
    devices = ls.getScanners()
    ls.setScanner(devices[0])

    ls.setDPI(300)
    
    # A4 Example
    ls.setScanArea(width=8.26,height=11.693) # (left,top,width,height) in inches

    ls.setPixelType("color") # bw/gray/color

    pil = ls.scan()
    pil.show()
    pil.save("scannedImage.jpg")
    
    ls.closeScanner() # unselect selected scanner, set in setScanners()
    ls.close() # Destory whole class

Detail Example:

Check exampleUsage.py in repo

Notice:

  • Known to work on Linux (Python 3.4) Pull #1
  • Known to work on Mac OS Pull #2
  • Not tested on Linux by author, however work perfect on Windows.

TODO:

  • Implement scanPreview()

License:

pyScanLib uses BSD 2-Clause License.

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Python scanning library for cross platform environment based on SANE and TWAIN

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