utilities/thumbnail_generation/thumbnail_generation.py

Refer to the mtk_thumbnail_generation_example_page.

# $Id$
 
# Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
# Copyright (C) 2014-2025, CADEX. All rights reserved.
 
# This file is part of the Manufacturing Toolkit software.
 
# You may use this file under the terms of the BSD license as follows:
 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
 
import sys
import os
from pathlib import Path
 
import manufacturingtoolkit.CadExMTK  as mtk
import manufacturingtoolkit.MTKView as view
 
sys.path.append(os.path.abspath(os.path.dirname(Path(__file__).resolve()) + r"/../../"))
 
import mtk_license as license
 
def main(theSource: str, theDest: str):
    aKey = license.Value()
    
    if not mtk.LicenseManager.Activate(aKey):
        print("Failed to activate Manufacturing Toolkit license.")
        return 1
 
    aModel = mtk.ModelData_Model()
    
    # Reading the file
    if not mtk.ModelData_ModelReader().Read(mtk.UTF16String(theSource), aModel):
        print("Failed to read the file " + theSource)
        return 1
 
    aWriter = view.View_ImageWriter()
    aWriterParameters = view.View_ImageWriterParameters()
 
    # Set writer parameters
    aWriterParameters.SetImageWidth(750)
    aWriterParameters.SetImageHeight(500)
    aWriterParameters.SetViewIsFitAll(True)
    aBackgroundColor = view.View_ColorBackgroundStyle(view.View_Color(255, 255, 255))
    aWriterParameters.SetViewBackground(aBackgroundColor)
    
    aWriter.SetParameters(aWriterParameters)
 
    # Generate the model image and save it into the file
    if not aWriter.WriteFile(aModel, mtk.UTF16String(theDest)): 
        print("Failed to write the image file " + theDest)
        return 1
    
    print("Thumbnail successfully generated: " + theDest)
 
    return 0
 
if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("    <input_file>  is a name of the model file to be read")
        print("    <output_file> is a name of the image file to save the model")
        sys.exit(1)
 
    aSource = os.path.abspath(sys.argv[1])
    aDest = os.path.abspath(sys.argv[2])
 
    sys.exit(main(aSource, aDest))