SOL9 Sample: NonPhotorealisticImagesTexturedCube

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * NonPhotorealisticImagesTexturedCube.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */



#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLMultiTexturedCube.h>
#include <sol/opencv/OpenCVImageInfo.h>
#include <sol/opencv/OpenCVImageFileReader.h>

namespace SOL {

class MainView :public OpenGLMainView {

private:
  //Inner class starts.

  class SimpleView: public OpenGLView {
  private:
    SmartPtr<OpenGLGC>     gc;
    static const int COUNT = 6;     //The number of faces of a cube.
    cv::Mat          faces[COUNT];  //Mat images for 6 faces of a cube.
    OpenGLImageInfo  imageInfos[COUNT];

    SmartPtr<OpenGLMultiTexturedCube> cube;
    float  angle;
    
  public:
    virtual void display()
    {
      if (gc == NULL) {
        return;
      }
      
      if (cube) {  
       //Set a proportional perspective.
       gc->matrixMode(GL_PROJECTION);
       gc->loadIdentity();
       gc->perspective(16.0, (double)width() / (double)height(), 0.5, 100.0); 

       gc->matrixMode(GL_MODELVIEW);  
        gc->clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        gc->clearColor(1.0f, 1.0f, 1.0f, 1.0f);

        gc->loadIdentity();
        gc->translate(0.0f,0.0f,-1.0f); 
        gc->lookAt(2.0, 6.0, 10.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); 

        //Rotation around y-axis.
        gc->rotate(angle, 0.0, 1.0, 0.0);

        cube -> draw(gc);
      }
    }
  
 
    virtual void resize(int w, int h)
    {
      if (w == 0 || h == 0) {
        return;
      }
      if (gc) {
        gc->matrixMode(GL_PROJECTION);
        gc->loadIdentity();
        gc->perspective(16.0, (double)w / (double)h, 0.5, 40.0); 

        gc->matrixMode(GL_MODELVIEW);
      }
    }

    virtual void initialize()
    {
      gc = new OpenGLGC();
      
      gc->enable(GL_DEPTH_TEST);
      gc->enable(GL_TEXTURE_2D);
      try {
        
        cube = new OpenGLMultiTexturedCube(COUNT, imageInfos);
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void keyDown(Event& event)
    {
      WPARAM vkey = event.getWParam();
      switch (vkey) {
      case VK_LEFT:
        angle -= 2.0;
        postRenderRequest();
        break;
      case VK_RIGHT:
        angle += 2.0;
        postRenderRequest();
        break;
      default:
        break;
      }
    }
    
  public:
    SimpleView(OpenGLMainView* parent, const char* name, Args& args)
    :OpenGLView(parent, name, args),
    angle(0.0)
    {
      try {
        OpenCVImageFileReader reader;
        cv::Mat originalImage = reader.load("..\\..\\opencv_app\\images\\flower.png");
        int n = 0;
        cv::stylization(originalImage,             faces[n++]);
        cv::Mat img2;
        cv::pencilSketch(originalImage, img2,      faces[n++], 10 , 0.1f, 0.03f); 
        cv::edgePreservingFilter(originalImage,    faces[n++], 1);
        cv::edgePreservingFilter(originalImage,    faces[n++], 2);
        cv::detailEnhance(originalImage,           faces[n++]);
        cv::Mat img1;
        cv::pencilSketch(originalImage,            faces[n++], img1, 10 , 0.1f, 0.03f); 
     
        for (int i = 0; i<COUNT; i++) {
          OpenCVImageInfo cvImageInfo;
          cvImageInfo.getImageInfo(faces[i], imageInfos[i], true);  
        } 
      } catch (SOL::Exception& ex) {
        caught(ex);
      }
    } 

    ~SimpleView()
    {
    }
  };
  //Inner class ends.
  
private:
  SmartPtr<SimpleView>  view;

  void resize(int w, int h)
  {
    if (view) {
      view -> reshape(0, 0, w, h);
      view -> postResizeRequest(w, h);
    }
  }
  
  virtual long keyDown(Event& event)
  {
    if (view) {
      view -> keyDown(event);
    }
    return 0;
  }
  
public:
  MainView(Application& applet, const char* name, Args& args)
  :OpenGLMainView(applet, name, args)
  {
    Args ar;
    view = new SimpleView(this, "", ar);
   
    addEventHandler(WM_KEYDOWN, this,
              (Handler)&MainView::keyDown, NULL);
  }

  ~MainView()
  {
  }
};
}

//
void Main(int argc, char** argv) 
{
  try {
    const char*  name = appName(argv[0]);
    Application applet(name, argc, argv);

    Args args;
    args.set(XmNwidth,  480);
    args.set(XmNheight, 480);

    MainView view(applet, name, args);
    view.realize();

    applet.run();
    
  } catch (SOL::Exception& ex) {
    caught(ex);
  }
}


Last modified: 17 Sep. 2017

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