SOL9 2.0 Samples

1 Screenshot

2 Source code

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


//2017/08/30

#include <sol/ModuleFileName.h>
#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLLight.h>
#include <sol/opengl/OpenGLMaterial.h>
#include <sol/opengl/OpenGLTexturedCylinder.h>
#include <sol/opengl/OpenGLImageInfo.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;

    SmartPtr<OpenGLTexturedCylinder> texture;
    float                       angle;
    Vertex3                     axis;

  public:
    virtual void display()
    {
      if (gc == NULL) {
        return;
      }
      
      if (texture) {
        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->loadIdentity();

        gc-> clearColor(0.1, 0.1, 0.2, 1.0);
        gc-> enable(GL_CULL_FACE); 
        gc-> enable(GL_LIGHTING);

        gc-> enable(GL_DEPTH_TEST);
        gc-> color(1.0f, 1.0f, 1.0f);
        gc-> lookAt(6.0, 16.0, 6.0, 0.0, 0.0, 0.0, 0.0, 100.0, 0.0);

        //gc->scale(1.0, 1.0, 1.0);
        gc->translate(0.0f, 0.0f, 0.0f);

//        gc -> rotate(angle, 0.0, 1.0, 0.0);
        gc-> rotate(angle, axis.x, axis.y, axis.z);

        OpenGLLight light(GL_LIGHT0);
        GLfloat lightPosition[] = {10, -20, 0, 1.0}; 
        light.position(lightPosition);
    
        GLfloat white[] = {1.0f, 1.0f, 1.0f, 1.0f};
        GLfloat blue[]  = {0.0f, 0.0f, 1.0f, 1.0f};
        GLfloat shininess[] = {100.0};
        OpenGLMaterial material(GL_FRONT);
        material.diffuse(blue);
        material.specular(white);
        material.shininess(shininess);
            
        gc->translate(0.5f, -1.5f, -0.5f);
        
        texture -> 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, 100.0);

        gc-> matrixMode(GL_MODELVIEW);
        gc->loadIdentity() ;
      }
    }

    cv::Mat sharpen(cv::Mat& originalImage)
    {
      int ksize = 13;
      int sigma = 10;
      ksize = (ksize/2)*2 + 1;
      
      cv::Mat sharpenedImage = cv::Mat::zeros(originalImage.size(), 
                                originalImage.type() );
      cv::GaussianBlur(originalImage, sharpenedImage, cv::Size(ksize, ksize), 
            (double)sigma, //sigmaX, 
            (double)sigma, //sigmaY
            BORDER_DEFAULT);
      
      double alpha = 2.5;
      double beta  = 1.0 - alpha;
      cv::addWeighted(originalImage, alpha, sharpenedImage, beta, 0.0, 
              sharpenedImage);

      return sharpenedImage;  
    }

    virtual void initialize()
    {
      axis.x = 60.0f;
      axis.y = 10.0f;
      axis.z = 60.0f;
      gc = new OpenGLGC();
      
      gc-> enable(GL_DEPTH_TEST);
      gc-> enable(GL_TEXTURE_2D);
      try {
        const char* imageFileName ="..\\..\\images\\TokyoTower.png";
        ModuleFileName module;
        char fullpath[MAX_PATH];
        sprintf_s(fullpath, CountOf(fullpath), "%s\\%s", module.getDir(), imageFileName);
        OpenCVImageFileReader reader;
        cv::Mat mat = reader.load(fullpath);
        //Sharpen the mat image
        cv::Mat sharpenedImage = sharpen(mat);
        OpenGLImageInfo imageInfo;
        OpenCVImageInfo cvImageInfo;
        cvImageInfo.getImageInfo(sharpenedImage, imageInfo);

        texture = new OpenGLTexturedCylinder(imageInfo, 1.0, 2.0, 6.0, 40, 40);

      } catch (SOL::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(200.0f)
    {
    } 

    ~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,  400);
    args.set(XmNheight, 400);

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

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