exploring/drawings/main.cxx

Refer to the Drawing Exploration Example.

// ****************************************************************************
// $Id$
//
// 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)
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// POSSIBILITY OF SUCH DAMAGE.
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// ****************************************************************************
 
 
#include <cadex/LicenseManager_Activate.h>
#include <cadex/Drawing/Drawing.hxx>
#include <cadex/Drawing/ElementVisitor.hxx>
#include <cadex/Drawing/Geometry.hxx>
#include <cadex/Drawing/Hatch.hxx>
#include <cadex/Drawing/Sheet.hxx>
#include <cadex/Drawing/Text.hxx>
#include <cadex/Drawing/View.hxx>
#include <cadex/Geom/Point2d.hxx>
#include <cadex/ModelData/Model.hxx>
#include <cadex/ModelData/ModelReader.hxx>
#include <cadex/ModelData/ModelReaderParameters.hxx>
 
#include <iostream>
 
#include "../../mtk_license.cxx"
 
 
using namespace std;
using namespace cadex;
 
 
// Explore view content
class DrawingElementVisitor : public Drawing::ElementVoidVisitor
{
public:
    void operator() (const Drawing::CurveSet& theElement) override
    {
        cout << "------- CurveSet <" << myCurveSetCounter << ">" << endl;
        cout << "--------- number of curves: " << theElement.NumberOfCurves() << endl;
        myCurveSetCounter++;
    }
 
    void operator() (const Drawing::Hatch& theElement) override
    {
        cout << "------- Hatch <" << myHatchCounter << ">" << endl;
        cout << "--------- number of contours: " << theElement.NumberOfContours() << endl;
        size_t aNumberOfCurves = 0;
        for (size_t i = 0; i < theElement.NumberOfContours(); ++i) {
            aNumberOfCurves += theElement.Contour (i).NumberOfCurves();
        }
        cout << "--------- number of curves: " << aNumberOfCurves << endl;
        cout << "--------- pattern: " << PatternToString (theElement.Pattern()) << endl;
        cout << "--------- angle: " << theElement.Angle() << endl;
        cout << "--------- scale: " << theElement.Scale() << endl;
        myHatchCounter++;
    }
 
    void operator() (const Drawing::Text& theElement) override
    {
        cout << "------- Text <" << myTextCounter << ">" << endl;
        cout << "--------- text: \"" << theElement.GetText() << "\"" << endl;
        cout << "--------- origin: " << PointToString (theElement.TextOrigin()) << endl;
        cout << "--------- rotation: " << theElement.TextProperties().Rotation() << endl;
        cout << "--------- font size: " << theElement.FontSize() << endl;
        myTextCounter++;
    }
 
private:
    string PointToString (const Geom::Point2d& thePoint)
    {
        return "(" + std::to_string (thePoint.X()) + "; " + std::to_string (thePoint.Y()) + ")";
    }
 
    string PatternToString (const Drawing::Hatch::PatternType& thePattern)
    {
        switch (thePattern) {
            case Drawing::Hatch::PatternType::Solid:   return "Solid";
            case Drawing::Hatch::PatternType::ANSI_31: return "ANSI 31";
            case Drawing::Hatch::PatternType::ANSI_32: return "ANSI 32";
            case Drawing::Hatch::PatternType::ANSI_33: return "ANSI 33";
            case Drawing::Hatch::PatternType::ANSI_34: return "ANSI 34";
            case Drawing::Hatch::PatternType::ANSI_35: return "ANSI 35";
            case Drawing::Hatch::PatternType::ANSI_36: return "ANSI 36";
            case Drawing::Hatch::PatternType::ANSI_37: return "ANSI 37";
            case Drawing::Hatch::PatternType::ANSI_38: return "ANSI 38";
            case Drawing::Hatch::PatternType::ISO_02:  return "ISO 02";
            case Drawing::Hatch::PatternType::ISO_03:  return "ISO 03";
            case Drawing::Hatch::PatternType::ISO_04:  return "ISO 04";
            case Drawing::Hatch::PatternType::ISO_05:  return "ISO 05";
            case Drawing::Hatch::PatternType::ISO_06:  return "ISO 06";
            case Drawing::Hatch::PatternType::ISO_07:  return "ISO 07";
            case Drawing::Hatch::PatternType::ISO_08:  return "ISO 08";
            case Drawing::Hatch::PatternType::ISO_09:  return "ISO 09";
            case Drawing::Hatch::PatternType::ISO_10:  return "ISO 10";
            case Drawing::Hatch::PatternType::ISO_11:  return "ISO 11";
            case Drawing::Hatch::PatternType::ISO_12:  return "ISO 12";
            case Drawing::Hatch::PatternType::ISO_13:  return "ISO 13";
            case Drawing::Hatch::PatternType::ISO_14:  return "ISO 14";
            case Drawing::Hatch::PatternType::ISO_15:  return "ISO 15";
            default: return "Other";
        }
    }
 
    size_t myCurveSetCounter = 0;
    size_t myHatchCounter = 0;
    size_t myTextCounter = 0;
};
 
// Iterate views
void ExploreSheet (const Drawing::Sheet& theSheet)
{
    Drawing::Sheet::ViewIterator aViewIt (theSheet);
    size_t aViewCounter = 0;
    while (aViewIt.HasNext()) {
        const auto& aView = aViewIt.Next();
        cout << "---- View <" << aViewCounter << ">" << endl;
        DrawingElementVisitor aVisitor;
        aView.Accept (aVisitor);
        aViewCounter++;
    }
}
 
// Iterate sheets
void ExploreDrawing (const Drawing::Drawing& theDrawing)
{
    Drawing::Drawing::SheetIterator aSheetIt (theDrawing);
    size_t aSheetCounter = 0;
    while (aSheetIt.HasNext()) {
        const auto& aSheet = aSheetIt.Next();
        cout << "-- Sheet <" << aSheetCounter << ">" << endl;
        ExploreSheet (aSheet);
        aSheetCounter++;
    }
}
 
int main (int argc, char* argv[])
{
    auto aKey = MTKLicenseKey::Value();
 
    // Activate the license (aKey must be defined in mtk_license.cxx)
    if (!CADExLicense_Activate (aKey)) {
        cerr << "Failed to activate Manufacturing Toolkit license." << endl;
        return 1;
    }
 
    // Get the input
    if (argc != 2) {
        cerr << "Usage: " << argv[0] << " <input_file>, where:" << endl;
        cerr << "    <input_file> is a name of the file to be read" << endl;
        return 1;
    }
 
    const char* aSource = argv[1];
 
    // Enable drawings reading
    ModelData::ModelReaderParameters aReaderParameters;
    aReaderParameters.SetReadDrawing (true);
    ModelData::ModelReader aReader;
    aReader.SetParameters (aReaderParameters);
 
    ModelData::Model aModel;
 
    if (!aReader.Read (aSource, aModel)) {
        cerr << "Failed to read the file " << aSource << endl;
        return 1;
    }
 
    Drawing::Drawing aDrawing = aModel.Drawing();
    if (aDrawing.IsNull()) {
        cerr << "The model doesn't contain a drawing" << endl;
        return 1;
    }
 
    cout << "Drawing \"" << aModel.Name() << "\":" << endl;
    ExploreDrawing (aDrawing);
 
    return 0;
}