utilities/thumbnail_generation/thumbnail_generation.java

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.
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// ****************************************************************************
 
import cadex.*;
import cadex.ModelData.*;
import cadex.View.*;
 
import java.util.*;
 
public class thumbnail_generation {
    static {
        try {
            System.loadLibrary("CadExMTK");
            System.loadLibrary("MTKView");
        } catch (UnsatisfiedLinkError e) {
            System.err.println("Native code library failed to load.\n" + e);
            System.exit(1);
        }
    }
 
    public static void main(String[] args) {
        String aKey = MTKLicenseKey.Value();
 
        // Activate the license (the key must be defined in MTKLicenseKey.java)
        if (!LicenseManager.Activate(aKey)) {
            System.out.println("Failed to activate Manufacturing Toolkit license.");
            System.exit(1);
        }
 
        if (args.length != 2) {
            System.err.println("Usage: " + " <input_file> <output_file>, where:");
            System.err.println("    <input_file>  is a name of the model file to be read");
            System.err.println("    <output_file> is a name of the image file to be written");
            System.exit(1);
        }
 
        String aSource = args[0];
        String aDest = args[1];
 
        Model aModel = new Model();
        ModelReader aReader = new ModelReader();
        
        // Opening and converting the file
        if (!new ModelReader().Read(new UTF16String(aSource), aModel)) {
            System.err.println("Failed to read the file " + aSource);
            System.exit(1);
        }
        
        ImageWriter aWriter = new ImageWriter();
        ImageWriterParameters aWriterParameters = new ImageWriterParameters();
 
        // Set writer parameters
        aWriterParameters.SetImageWidth(750);
        aWriterParameters.SetImageHeight(500);
        aWriterParameters.SetViewIsFitAll(true);
        ColorBackgroundStyle aColorBackgroundStyle = new ColorBackgroundStyle(new Color(255, 255, 255));
        aWriterParameters.SetViewBackground(aColorBackgroundStyle);
        
        aWriter.SetParameters(aWriterParameters);
 
        // Generate the model image and save it into the file
        if (!aWriter.WriteFile(aModel, new UTF16String(aDest))) {
            System.err.println("Failed to write the file " + aDest);
            System.exit(1);
        }
        
        System.out.println("Completed: " + aDest);
    }
}